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};\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.safeAttrPrefix = void 0;\nrequire(\"../environment/dev\");\nvar attribute_impl_1 = require(\"../internals/attribute_impl\");\nvar string_literal_1 = require(\"../internals/string_literal\");\nvar sensitive_attributes_1 = require(\"./sensitive_attributes\");\n/**\n * Creates a SafeAttributePrefix object from a template literal with no\n * interpolations for attributes that share a common prefix guaranteed to be not\n * security sensitive.\n *\n * The template literal is a prefix that makes it obvious this attribute is not\n * security sensitive. If it doesn't, this function will throw.\n */\nfunction safeAttrPrefix(templ) {\n if (process.env.NODE_ENV !== 'production') {\n (0, string_literal_1.assertIsTemplateObject)(templ, true, 'safeAttr is a template literal tag function ' +\n 'and should be called using the tagged template syntax. ' +\n 'For example, safeAttr`foo`;');\n }\n var attrPrefix = templ[0].toLowerCase();\n if (process.env.NODE_ENV !== 'production') {\n if (attrPrefix.indexOf('on') === 0 || 'on'.indexOf(attrPrefix) === 0) {\n throw new Error(\"Prefix '\".concat(templ[0], \"' does not guarantee the attribute \") +\n \"to be safe as it is also a prefix for event handler attributes\" +\n \"Please use 'addEventListener' to set event handlers.\");\n }\n sensitive_attributes_1.SECURITY_SENSITIVE_ATTRIBUTES.forEach(function (sensitiveAttr) {\n if (sensitiveAttr.indexOf(attrPrefix) === 0) {\n throw new Error(\"Prefix '\".concat(templ[0], \"' does not guarantee the attribute \") +\n \"to be safe as it is also a prefix for \" +\n \"the security sensitive attribute '\".concat(sensitiveAttr, \"'. \") +\n \"Please use native or safe DOM APIs to set the attribute.\");\n }\n });\n }\n return (0, attribute_impl_1.createAttributePrefix)(attrPrefix);\n}\nexports.safeAttrPrefix = safeAttrPrefix;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.concatHtmls = exports.createScriptSrc = exports.createScript = exports.htmlEscape = void 0;\nvar html_impl_1 = require(\"../internals/html_impl\");\nvar resource_url_impl_1 = require(\"../internals/resource_url_impl\");\nvar script_impl_1 = require(\"../internals/script_impl\");\n/**\n * Returns HTML-escaped text as a `SafeHtml` object.\n *\n * Available options:\n * - `preserveSpaces` turns every second consecutive space character into its\n * HTML entity representation (` `).\n * - `preserveNewlines` turns newline characters into breaks (`<br>`).\n * - `preserveTabs` wraps tab characters in a span with style=white-space:pre.\n */\nfunction htmlEscape(text, options) {\n if (options === void 0) { options = {}; }\n var htmlEscapedString = htmlEscapeToString(text);\n if (options.preserveSpaces) {\n // Do this first to ensure we preserve spaces after newlines and tabs.\n htmlEscapedString =\n htmlEscapedString.replace(/(^|[\\r\\n\\t ]) /g, '$1 ');\n }\n if (options.preserveNewlines) {\n htmlEscapedString = htmlEscapedString.replace(/(\\r\\n|\\n|\\r)/g, '<br>');\n }\n if (options.preserveTabs) {\n htmlEscapedString = htmlEscapedString.replace(/(\\t+)/g, '<span style=\"white-space:pre\">$1</span>');\n }\n return (0, html_impl_1.createHtml)(htmlEscapedString);\n}\nexports.htmlEscape = htmlEscape;\n/**\n * Creates a `SafeHtml` representing a script tag with inline script content.\n */\nfunction createScript(script, options) {\n if (options === void 0) { options = {}; }\n var unwrappedScript = (0, script_impl_1.unwrapScript)(script).toString();\n var stringTag = \"<script\";\n if (options.id) {\n stringTag += \" id=\\\"\".concat(htmlEscapeToString(options.id), \"\\\"\");\n }\n if (options.nonce) {\n stringTag += \" nonce=\\\"\".concat(htmlEscapeToString(options.nonce), \"\\\"\");\n }\n if (options.type) {\n stringTag += \" type=\\\"\".concat(htmlEscapeToString(options.type), \"\\\"\");\n }\n stringTag += \">\".concat(unwrappedScript, \"</script>\");\n return (0, html_impl_1.createHtml)(stringTag);\n}\nexports.createScript = createScript;\n/**\n * Creates a `SafeHtml` representing a script tag with the src attribute.\n * This also supports CSP nonces and async loading.\n */\nfunction createScriptSrc(src, async, nonce) {\n var unwrappedSrc = (0, resource_url_impl_1.unwrapResourceUrl)(src).toString();\n var stringTag = \"<script src=\\\"\".concat(htmlEscapeToString(unwrappedSrc), \"\\\"\");\n if (async) {\n stringTag += ' async';\n }\n if (nonce) {\n stringTag += \" nonce=\\\"\".concat(htmlEscapeToString(nonce), \"\\\"\");\n }\n stringTag += '>\\x3c/script>';\n return (0, html_impl_1.createHtml)(stringTag);\n}\nexports.createScriptSrc = createScriptSrc;\n/**\n * HTML-escapes the given text (`&`, `<`, `>`, `\"` and `'`).\n */\nfunction htmlEscapeToString(text) {\n var escaped = text.replace(/&/g, '&')\n .replace(/</g, '<')\n .replace(/>/g, '>')\n .replace(/\"/g, '"')\n .replace(/'/g, ''');\n return escaped;\n}\n/** Creates a `SafeHtml` value by concatenating multiple `SafeHtml`s. */\nfunction concatHtmls(htmls) {\n return (0, html_impl_1.createHtml)(htmls.map(html_impl_1.unwrapHtml).join(''));\n}\nexports.concatHtmls = concatHtmls;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nvar __values = (this && this.__values) || function(o) {\n var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\n if (m) return m.call(o);\n if (o && typeof o.length === \"number\") return {\n next: function () {\n if (o && i >= o.length) o = void 0;\n return { value: o && o[i++], done: !o };\n }\n };\n throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\n};\nvar __read = (this && this.__read) || function (o, n) {\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\n if (!m) return o;\n var i = m.call(o), r, ar = [], e;\n try {\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\n }\n catch (error) { e = { error: error }; }\n finally {\n try {\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\n }\n finally { if (e) throw e.error; }\n }\n return ar;\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.sanitizeHtmlToFragment = exports.sanitizeHtmlAssertUnchanged = exports.sanitizeHtml = exports.HtmlSanitizerImpl = void 0;\nrequire(\"../../environment/dev\");\nvar html_impl_1 = require(\"../../internals/html_impl\");\n/* g3_import_pure from '../../internals/pure' */\nvar secrets_1 = require(\"../../internals/secrets\");\nvar url_sanitizer_1 = require(\"../url_sanitizer\");\nvar inert_fragment_1 = require(\"./inert_fragment\");\nvar no_clobber_1 = require(\"./no_clobber\");\nvar default_sanitizer_table_1 = require(\"./sanitizer_table/default_sanitizer_table\");\nvar sanitizer_table_1 = require(\"./sanitizer_table/sanitizer_table\");\n/** Implementation for `HtmlSanitizer` */\nvar HtmlSanitizerImpl = /** @class */ (function () {\n function HtmlSanitizerImpl(sanitizerTable, token) {\n this.sanitizerTable = sanitizerTable;\n this.changes = [];\n (0, secrets_1.ensureTokenIsValid)(token);\n }\n HtmlSanitizerImpl.prototype.sanitizeAssertUnchanged = function (html) {\n this.changes = [];\n var sanitizedHtml = this.sanitize(html);\n if (this.changes.length !== 0) {\n var message = '';\n if (process.env.NODE_ENV !== 'production') {\n message =\n \"Unexpected change to HTML value as a result of sanitization. \" +\n \"Input: \\\"\".concat(html, \"\\\", sanitized output: \\\"\").concat(sanitizedHtml, \"\\\"\\n\") +\n \"List of changes:\".concat(this.changes.join('\\n'));\n }\n throw new Error(message);\n }\n return sanitizedHtml;\n };\n HtmlSanitizerImpl.prototype.sanitize = function (html) {\n var fakeRoot = document.createElement('span');\n fakeRoot.appendChild(this.sanitizeToFragment(html));\n // XML serialization is preferred over HTML serialization as it is\n // stricter and makes sure all attributes are properly escaped, avoiding\n // cases where the tree might mutate when parsed again later due to the\n // complexities of the HTML parsing algorithm\n var serializedNewTree = new XMLSerializer().serializeToString(fakeRoot);\n // We remove the outer most element as this is the span node created as\n // the root for the sanitized tree and contains a spurious xmlns attribute\n // from the XML serialization step.\n serializedNewTree = serializedNewTree.slice(serializedNewTree.indexOf('>') + 1, serializedNewTree.lastIndexOf('</'));\n return (0, html_impl_1.createHtml)(serializedNewTree);\n };\n HtmlSanitizerImpl.prototype.sanitizeToFragment = function (html) {\n var _this = this;\n var dirtyFragment = (0, inert_fragment_1.createInertFragment)(html);\n var treeWalker = document.createTreeWalker(dirtyFragment, NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_TEXT, \n // IE10 and IE11 won't accept a proper `NodeFilter` interface, and\n // expect the filtering function to be passed directly. It seems that\n // other browsers also do not mind getting the function directly. see\n // https://stackoverflow.com/q/38245898\n (function (n) { return _this.nodeFilter(n); }), \n // @ts-ignore: error TS2554: Expected 1-3 arguments, but got 4.\n false);\n // `nextNode` is called so we skip the root `DocumentFragment`.\n var currentNode = treeWalker.nextNode();\n // We create a root element to attach all the children of the body to. We\n // use div as it as a semantic-free, generic container and does not\n // represent anything. This is removed when we serialize the tree back\n // into a string.\n var sanitizedFragment = document.createDocumentFragment();\n var sanitizedParent = sanitizedFragment;\n while (currentNode !== null) {\n var sanitizedNode = void 0;\n if ((0, no_clobber_1.isText)(currentNode)) {\n sanitizedNode = this.sanitizeTextNode(currentNode);\n }\n else if ((0, no_clobber_1.isElement)(currentNode)) {\n sanitizedNode = this.sanitizeElementNode(currentNode);\n }\n else {\n throw new Error('Node is not of type text or element');\n }\n sanitizedParent.appendChild(sanitizedNode);\n // Advance iterator while keeping track of the sanitized parent for the\n // current node\n currentNode = treeWalker.firstChild();\n if (currentNode) {\n sanitizedParent = sanitizedNode;\n }\n else {\n while (!(currentNode = treeWalker.nextSibling())) {\n if (!(currentNode = treeWalker.parentNode())) {\n break;\n }\n sanitizedParent = sanitizedParent.parentNode;\n }\n }\n }\n return sanitizedFragment;\n };\n HtmlSanitizerImpl.prototype.sanitizeTextNode = function (textNode) {\n return document.createTextNode(textNode.data);\n };\n HtmlSanitizerImpl.prototype.sanitizeElementNode = function (elementNode) {\n var e_1, _a;\n var elementName = (0, no_clobber_1.getNodeName)(elementNode);\n var newNode = document.createElement(elementName);\n var dirtyAttributes = elementNode.attributes;\n try {\n for (var dirtyAttributes_1 = __values(dirtyAttributes), dirtyAttributes_1_1 = dirtyAttributes_1.next(); !dirtyAttributes_1_1.done; dirtyAttributes_1_1 = dirtyAttributes_1.next()) {\n var _b = dirtyAttributes_1_1.value, name_1 = _b.name, value = _b.value;\n var policy = this.sanitizerTable.getAttributePolicy(name_1, elementName);\n if (!this.satisfiesAllConditions(policy.conditions, dirtyAttributes)) {\n this.recordChange(\"Not all conditions satisfied for attribute: \".concat(name_1, \".\"));\n continue;\n }\n switch (policy.policyAction) {\n case sanitizer_table_1.AttributePolicyAction.KEEP:\n newNode.setAttribute(name_1, value);\n break;\n case sanitizer_table_1.AttributePolicyAction.KEEP_AND_SANITIZE_URL:\n var sanitizedAttrUrl = (0, url_sanitizer_1.restrictivelySanitizeUrl)(value);\n if (sanitizedAttrUrl !== value) {\n this.recordChange(\"Url in attribute \".concat(name_1, \" was modified during sanitization. Original url:\\\"\").concat(value, \"\\\" was sanitized to: \\\"\").concat(sanitizedAttrUrl, \"\\\"\"));\n }\n newNode.setAttribute(name_1, sanitizedAttrUrl);\n break;\n case sanitizer_table_1.AttributePolicyAction.KEEP_AND_NORMALIZE:\n // We don't consider changing the case of an attribute value to be a\n // semantic change\n newNode.setAttribute(name_1, value.toLowerCase());\n break;\n case sanitizer_table_1.AttributePolicyAction.KEEP_AND_SANITIZE_STYLE:\n newNode.setAttribute(name_1, value);\n break;\n case sanitizer_table_1.AttributePolicyAction.DROP:\n this.recordChange(\"Attribute: \".concat(name_1, \" was dropped\"));\n break;\n default:\n checkExhaustive(policy.policyAction, 'Unhandled AttributePolicyAction case');\n }\n }\n }\n catch (e_1_1) { e_1 = { error: e_1_1 }; }\n finally {\n try {\n if (dirtyAttributes_1_1 && !dirtyAttributes_1_1.done && (_a = dirtyAttributes_1.return)) _a.call(dirtyAttributes_1);\n }\n finally { if (e_1) throw e_1.error; }\n }\n return newNode;\n };\n HtmlSanitizerImpl.prototype.nodeFilter = function (node) {\n if ((0, no_clobber_1.isText)(node)) {\n return NodeFilter.FILTER_ACCEPT;\n }\n else if (!(0, no_clobber_1.isElement)(node)) {\n // Getting a node that is neither an `Element` or a `Text` node. This is\n // likely due to something that is not supposed to be an element in user\n // code but recognized as such by the TreeWalker (e.g. a polyfill for\n // other kind of nodes). Since we can't recognize it as an element, we\n // drop the node, but we don't record it as a meaningful change.\n return NodeFilter.FILTER_REJECT;\n }\n var nodeName = (0, no_clobber_1.getNodeName)(node);\n if (nodeName === null) {\n this.recordChange(\"Node name was null for node: \".concat(node));\n return NodeFilter.FILTER_REJECT;\n }\n if (this.sanitizerTable.isAllowedElement(nodeName)) {\n return NodeFilter.FILTER_ACCEPT;\n }\n this.recordChange(\"Element: \".concat(nodeName, \" was dropped\"));\n return NodeFilter.FILTER_REJECT;\n };\n HtmlSanitizerImpl.prototype.recordChange = function (errorMessage) {\n if (process.env.NODE_ENV !== 'production') {\n this.changes.push(errorMessage);\n }\n else if (this.changes.length === 0) {\n this.changes.push('');\n }\n };\n HtmlSanitizerImpl.prototype.satisfiesAllConditions = function (conditions, attrs) {\n var e_2, _a;\n var _b;\n if (!conditions) {\n return true;\n }\n try {\n for (var conditions_1 = __values(conditions), conditions_1_1 = conditions_1.next(); !conditions_1_1.done; conditions_1_1 = conditions_1.next()) {\n var _c = __read(conditions_1_1.value, 2), attrName = _c[0], expectedValues = _c[1];\n var value = (_b = attrs.getNamedItem(attrName)) === null || _b === void 0 ? void 0 : _b.value;\n if (value && !expectedValues.has(value)) {\n return false;\n }\n }\n }\n catch (e_2_1) { e_2 = { error: e_2_1 }; }\n finally {\n try {\n if (conditions_1_1 && !conditions_1_1.done && (_a = conditions_1.return)) _a.call(conditions_1);\n }\n finally { if (e_2) throw e_2.error; }\n }\n return true;\n };\n return HtmlSanitizerImpl;\n}());\nexports.HtmlSanitizerImpl = HtmlSanitizerImpl;\nvar defaultHtmlSanitizer = \n/* #__PURE__ */ (function () { return new HtmlSanitizerImpl(default_sanitizer_table_1.defaultSanitizerTable, secrets_1.secretToken); })();\n/** Sanitizes untrusted html using the default sanitizer configuration. */\nfunction sanitizeHtml(html) {\n return defaultHtmlSanitizer.sanitize(html);\n}\nexports.sanitizeHtml = sanitizeHtml;\n/**\n * Sanitizes untrusted html using the default sanitizer configuration. Throws\n * an error if the html was changed.\n */\nfunction sanitizeHtmlAssertUnchanged(html) {\n return defaultHtmlSanitizer.sanitizeAssertUnchanged(html);\n}\nexports.sanitizeHtmlAssertUnchanged = sanitizeHtmlAssertUnchanged;\n/**\n * Sanitizes untrusted html using the default sanitizer configuration. Throws\n * an error if the html was changed.\n */\nfunction sanitizeHtmlToFragment(html) {\n return defaultHtmlSanitizer.sanitizeToFragment(html);\n}\nexports.sanitizeHtmlToFragment = sanitizeHtmlToFragment;\nfunction checkExhaustive(value, msg) {\n if (msg === void 0) { msg = \"unexpected value \".concat(value, \"!\"); }\n throw new Error(msg);\n}\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nvar __values = (this && this.__values) || function(o) {\n var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\n if (m) return m.call(o);\n if (o && typeof o.length === \"number\") return {\n next: function () {\n if (o && i >= o.length) o = void 0;\n return { value: o && o[i++], done: !o };\n }\n };\n throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\n};\nvar __read = (this && this.__read) || function (o, n) {\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\n if (!m) return o;\n var i = m.call(o), r, ar = [], e;\n try {\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\n }\n catch (error) { e = { error: error }; }\n finally {\n try {\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\n }\n finally { if (e) throw e.error; }\n }\n return ar;\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.HtmlSanitizerBuilder = void 0;\nvar secrets_1 = require(\"../../internals/secrets\");\nvar html_sanitizer_1 = require(\"./html_sanitizer\");\nvar default_sanitizer_table_1 = require(\"./sanitizer_table/default_sanitizer_table\");\nvar sanitizer_table_1 = require(\"./sanitizer_table/sanitizer_table\");\n/** This class allows modifications to the default sanitizer configuration. */\nvar HtmlSanitizerBuilder = /** @class */ (function () {\n function HtmlSanitizerBuilder() {\n // To denote if the builder has called build() and therefore should make no\n // further changes to the sanitizer table.\n this.calledBuild = false;\n this.sanitizerTable = default_sanitizer_table_1.defaultSanitizerTable;\n }\n /** Builder option to restrict allowed elements to a smaller subset. */\n HtmlSanitizerBuilder.prototype.onlyAllowElements = function (elementSet) {\n var e_1, _a;\n var allowedElements = new Set();\n var allowedElementPolicies = new Map();\n try {\n for (var elementSet_1 = __values(elementSet), elementSet_1_1 = elementSet_1.next(); !elementSet_1_1.done; elementSet_1_1 = elementSet_1.next()) {\n var element = elementSet_1_1.value;\n element = element.toUpperCase();\n if (!this.sanitizerTable.isAllowedElement(element)) {\n throw new Error(\"Element: \".concat(element, \", is not allowed by html5_contract.textpb\"));\n }\n var elementPolicy = this.sanitizerTable.elementPolicies.get(element);\n if (elementPolicy !== undefined) {\n allowedElementPolicies.set(element, elementPolicy);\n }\n else {\n allowedElements.add(element);\n }\n }\n }\n catch (e_1_1) { e_1 = { error: e_1_1 }; }\n finally {\n try {\n if (elementSet_1_1 && !elementSet_1_1.done && (_a = elementSet_1.return)) _a.call(elementSet_1);\n }\n finally { if (e_1) throw e_1.error; }\n }\n this.sanitizerTable = new sanitizer_table_1.SanitizerTable(allowedElements, allowedElementPolicies, this.sanitizerTable.allowedGlobalAttributes, this.sanitizerTable.globalAttributePolicies);\n return this;\n };\n /**\n * Builder option to restrict allowed attributes to a smaller subset.\n *\n * If the attribute isn't currently allowed then it won't be added.\n */\n HtmlSanitizerBuilder.prototype.onlyAllowAttributes = function (attributeSet) {\n var e_2, _a, e_3, _b, e_4, _c;\n var allowedGlobalAttributes = new Set();\n var globalAttributePolicies = new Map();\n var elementPolicies = new Map();\n try {\n for (var attributeSet_1 = __values(attributeSet), attributeSet_1_1 = attributeSet_1.next(); !attributeSet_1_1.done; attributeSet_1_1 = attributeSet_1.next()) {\n var attribute = attributeSet_1_1.value;\n if (this.sanitizerTable.allowedGlobalAttributes.has(attribute)) {\n allowedGlobalAttributes.add(attribute);\n }\n if (this.sanitizerTable.globalAttributePolicies.has(attribute)) {\n globalAttributePolicies.set(attribute, this.sanitizerTable.globalAttributePolicies.get(attribute));\n }\n }\n }\n catch (e_2_1) { e_2 = { error: e_2_1 }; }\n finally {\n try {\n if (attributeSet_1_1 && !attributeSet_1_1.done && (_a = attributeSet_1.return)) _a.call(attributeSet_1);\n }\n finally { if (e_2) throw e_2.error; }\n }\n try {\n for (var _d = __values(this.sanitizerTable\n .elementPolicies.entries()), _e = _d.next(); !_e.done; _e = _d.next()) {\n var _f = __read(_e.value, 2), elementName = _f[0], originalElementPolicy = _f[1];\n var newElementPolicy = new Map();\n try {\n for (var _g = (e_4 = void 0, __values(originalElementPolicy\n .entries())), _h = _g.next(); !_h.done; _h = _g.next()) {\n var _j = __read(_h.value, 2), attribute = _j[0], attributePolicy = _j[1];\n if (attributeSet.has(attribute)) {\n newElementPolicy.set(attribute, attributePolicy);\n }\n }\n }\n catch (e_4_1) { e_4 = { error: e_4_1 }; }\n finally {\n try {\n if (_h && !_h.done && (_c = _g.return)) _c.call(_g);\n }\n finally { if (e_4) throw e_4.error; }\n }\n elementPolicies.set(elementName, newElementPolicy);\n }\n }\n catch (e_3_1) { e_3 = { error: e_3_1 }; }\n finally {\n try {\n if (_e && !_e.done && (_b = _d.return)) _b.call(_d);\n }\n finally { if (e_3) throw e_3.error; }\n }\n this.sanitizerTable = new sanitizer_table_1.SanitizerTable(this.sanitizerTable.allowedElements, elementPolicies, allowedGlobalAttributes, globalAttributePolicies);\n return this;\n };\n /**\n * Allows the set of data attributes passed.\n *\n * These values must be prefixed with \"data-\"\n *\n * If called with onlyAllowElements or onlyAllowAttributes, those methods must\n * be called first.\n */\n HtmlSanitizerBuilder.prototype.allowDataAttributes = function (attributes) {\n var e_5, _a;\n var allowedGlobalAttributes = new Set(this.sanitizerTable.allowedGlobalAttributes);\n try {\n for (var attributes_1 = __values(attributes), attributes_1_1 = attributes_1.next(); !attributes_1_1.done; attributes_1_1 = attributes_1.next()) {\n var attribute = attributes_1_1.value;\n if (attribute.indexOf('data-') !== 0) {\n throw new Error(\"data attribute: \".concat(attribute, \" does not begin with the prefix \\\"data-\\\"\"));\n }\n allowedGlobalAttributes.add(attribute);\n }\n }\n catch (e_5_1) { e_5 = { error: e_5_1 }; }\n finally {\n try {\n if (attributes_1_1 && !attributes_1_1.done && (_a = attributes_1.return)) _a.call(attributes_1);\n }\n finally { if (e_5) throw e_5.error; }\n }\n this.sanitizerTable = new sanitizer_table_1.SanitizerTable(this.sanitizerTable.allowedElements, this.sanitizerTable.elementPolicies, allowedGlobalAttributes, this.sanitizerTable.globalAttributePolicies);\n return this;\n };\n /**\n * Preserves style attributes. Note that the sanitizer won't parse and\n * sanitize the values but keep them as they are. In particular this means\n * that the code will be able to call functions that could do undesirable\n * things (e.g. `url` to trigger a network request), as well as any custom\n * properties or functions defined by the application.\n */\n HtmlSanitizerBuilder.prototype.allowStyleAttributes = function () {\n var globalAttributePolicies = new Map(this.sanitizerTable.globalAttributePolicies);\n globalAttributePolicies.set('style', { policyAction: sanitizer_table_1.AttributePolicyAction.KEEP_AND_SANITIZE_STYLE });\n this.sanitizerTable = new sanitizer_table_1.SanitizerTable(this.sanitizerTable.allowedElements, this.sanitizerTable.elementPolicies, this.sanitizerTable.allowedGlobalAttributes, globalAttributePolicies);\n return this;\n };\n /**\n * Preserves the class attribute on all elements. This means contents can\n * adopt CSS styles from other page elements and possibly mask themselves as\n * legitimate UI elements, which can lead to phishing.\n */\n HtmlSanitizerBuilder.prototype.allowClassAttributes = function () {\n var globalAttributePolicies = new Map(this.sanitizerTable.globalAttributePolicies);\n globalAttributePolicies.set('class', { policyAction: sanitizer_table_1.AttributePolicyAction.KEEP });\n this.sanitizerTable = new sanitizer_table_1.SanitizerTable(this.sanitizerTable.allowedElements, this.sanitizerTable.elementPolicies, this.sanitizerTable.allowedGlobalAttributes, globalAttributePolicies);\n return this;\n };\n /**\n * Preserves id attributes. This carries moderate risk as it allows an\n * element to override other elements with the same ID.\n */\n HtmlSanitizerBuilder.prototype.allowIdAttributes = function () {\n var globalAttributePolicies = new Map(this.sanitizerTable.globalAttributePolicies);\n globalAttributePolicies.set('id', { policyAction: sanitizer_table_1.AttributePolicyAction.KEEP });\n this.sanitizerTable = new sanitizer_table_1.SanitizerTable(this.sanitizerTable.allowedElements, this.sanitizerTable.elementPolicies, this.sanitizerTable.allowedGlobalAttributes, globalAttributePolicies);\n return this;\n };\n HtmlSanitizerBuilder.prototype.build = function () {\n if (this.calledBuild) {\n throw new Error('this sanitizer has already called build');\n }\n this.calledBuild = true;\n return new html_sanitizer_1.HtmlSanitizerImpl(this.sanitizerTable, secrets_1.secretToken);\n };\n return HtmlSanitizerBuilder;\n}());\nexports.HtmlSanitizerBuilder = HtmlSanitizerBuilder;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.createInertFragment = void 0;\nvar element_1 = require(\"../../dom/elements/element\");\nvar html_impl_1 = require(\"../../internals/html_impl\");\n/**\n * Returns a fragment that contains the parsed HTML for `dirtyHtml` without\n * executing any of the potential payload.\n */\nfunction createInertFragment(dirtyHtml) {\n var template = document.createElement('template');\n // This call is only used to create an inert tree for the sanitizer to\n // further process and is never returned directly to the caller. We can't use\n // a reviewed conversion in order to avoid an import loop.\n var temporarySafeHtml = (0, html_impl_1.createHtml)(dirtyHtml);\n (0, element_1.setInnerHtml)(template, temporarySafeHtml);\n return template.content;\n}\nexports.createInertFragment = createInertFragment;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.isElement = exports.isText = exports.getNodeName = void 0;\n/**\n * Library that provides safe getters for different node properties and\n * checks for clobbering.\n */\n/** Gets a reasonable nodeName, even for clobbered nodes. */\nfunction getNodeName(node) {\n var nodeName = node.nodeName;\n // If the property is clobbered, assume it is an `HTMLFormElement`.\n return (typeof nodeName === 'string') ? nodeName : 'FORM';\n}\nexports.getNodeName = getNodeName;\n/** Returns true if the object passed is a Text node. */\nfunction isText(node) {\n // The property cannot get clobbered on Text nodes.\n return node.nodeType === Node.TEXT_NODE;\n}\nexports.isText = isText;\n/** Returns true if the object passed is an Element node. */\nfunction isElement(node) {\n var nodeType = node.nodeType;\n // If the property is clobbered, we can assume it is an `HTMLFormElement`, and\n // thus an `Element`.\n return (nodeType === Node.ELEMENT_NODE) || (typeof nodeType !== 'number');\n}\nexports.isElement = isElement;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.defaultSanitizerTable = void 0;\nvar sanitizer_table_1 = require(\"./sanitizer_table\");\n/**\n * GENERATED CODE, DO NOT MODIFY\n * This SanitizerTable was generated from the checked in html contract:\n * webutil/html/types/codegen/html5_contract.textpb\n *\n * You can regenerate this file with:\n * webutil/html/types/codegen/update_generated_source_files.sh\n */\nexports.defaultSanitizerTable = new sanitizer_table_1.SanitizerTable(new Set([\n 'ARTICLE', 'SECTION', 'NAV', 'ASIDE', 'H1', 'H2',\n 'H3', 'H4', 'H5', 'H6', 'HEADER', 'FOOTER',\n 'ADDRESS', 'P', 'HR', 'PRE', 'BLOCKQUOTE', 'OL',\n 'UL', 'LH', 'LI', 'DL', 'DT', 'DD',\n 'FIGURE', 'FIGCAPTION', 'MAIN', 'DIV', 'EM', 'STRONG',\n 'SMALL', 'S', 'CITE', 'Q', 'DFN', 'ABBR',\n 'RUBY', 'RB', 'RT', 'RTC', 'RP', 'DATA',\n 'TIME', 'CODE', 'VAR', 'SAMP', 'KBD', 'SUB',\n 'SUP', 'I', 'B', 'U', 'MARK', 'BDI',\n 'BDO', 'SPAN', 'BR', 'WBR', 'INS', 'DEL',\n 'PICTURE', 'PARAM', 'TRACK', 'MAP', 'TABLE', 'CAPTION',\n 'COLGROUP', 'COL', 'TBODY', 'THEAD', 'TFOOT', 'TR',\n 'TD', 'TH', 'SELECT', 'DATALIST', 'OPTGROUP', 'OPTION',\n 'OUTPUT', 'PROGRESS', 'METER', 'FIELDSET', 'LEGEND', 'DETAILS',\n 'SUMMARY', 'MENU', 'DIALOG', 'SLOT', 'CANVAS', 'FONT',\n 'CENTER',\n]), new Map([\n [\n 'A', new Map([\n ['href', { policyAction: sanitizer_table_1.AttributePolicyAction.KEEP_AND_SANITIZE_URL }],\n ])\n ],\n [\n 'AREA', new Map([\n ['href', { policyAction: sanitizer_table_1.AttributePolicyAction.KEEP_AND_SANITIZE_URL }],\n ])\n ],\n [\n 'LINK', new Map([\n [\n 'href', {\n policyAction: sanitizer_table_1.AttributePolicyAction.KEEP_AND_SANITIZE_URL,\n conditions: new Map([[\n 'rel', new Set([\n 'alternate',\n 'author',\n 'bookmark',\n 'canonical',\n 'cite',\n 'help',\n 'icon',\n 'license',\n 'next',\n 'prefetch',\n 'dns-prefetch',\n 'prerender',\n 'preconnect',\n 'preload',\n 'prev',\n 'search',\n 'subresource',\n ])\n ]])\n }\n ],\n ])\n ],\n [\n 'SOURCE', new Map([\n ['src', { policyAction: sanitizer_table_1.AttributePolicyAction.KEEP_AND_SANITIZE_URL }],\n ])\n ],\n [\n 'IMG', new Map([\n ['src', { policyAction: sanitizer_table_1.AttributePolicyAction.KEEP_AND_SANITIZE_URL }],\n ])\n ],\n [\n 'VIDEO', new Map([\n ['src', { policyAction: sanitizer_table_1.AttributePolicyAction.KEEP_AND_SANITIZE_URL }],\n ])\n ],\n [\n 'AUDIO', new Map([\n ['src', { policyAction: sanitizer_table_1.AttributePolicyAction.KEEP_AND_SANITIZE_URL }],\n ])\n ],\n]), new Set([\n 'title',\n 'aria-atomic',\n 'aria-autocomplete',\n 'aria-busy',\n 'aria-checked',\n 'aria-current',\n 'aria-disabled',\n 'aria-dropeffect',\n 'aria-expanded',\n 'aria-haspopup',\n 'aria-hidden',\n 'aria-invalid',\n 'aria-label',\n 'aria-level',\n 'aria-live',\n 'aria-multiline',\n 'aria-multiselectable',\n 'aria-orientation',\n 'aria-posinset',\n 'aria-pressed',\n 'aria-readonly',\n 'aria-relevant',\n 'aria-required',\n 'aria-selected',\n 'aria-setsize',\n 'aria-sort',\n 'aria-valuemax',\n 'aria-valuemin',\n 'aria-valuenow',\n 'aria-valuetext',\n 'alt',\n 'align',\n 'autocapitalize',\n 'autocomplete',\n 'autocorrect',\n 'autofocus',\n 'autoplay',\n 'bgcolor',\n 'border',\n 'cellpadding',\n 'cellspacing',\n 'checked',\n 'color',\n 'cols',\n 'colspan',\n 'controls',\n 'datetime',\n 'disabled',\n 'download',\n 'draggable',\n 'enctype',\n 'face',\n 'formenctype',\n 'frameborder',\n 'height',\n 'hreflang',\n 'hidden',\n 'ismap',\n 'label',\n 'lang',\n 'loop',\n 'max',\n 'maxlength',\n 'media',\n 'minlength',\n 'min',\n 'multiple',\n 'muted',\n 'nonce',\n 'open',\n 'placeholder',\n 'preload',\n 'rel',\n 'required',\n 'reversed',\n 'role',\n 'rows',\n 'rowspan',\n 'selected',\n 'shape',\n 'size',\n 'sizes',\n 'slot',\n 'span',\n 'spellcheck',\n 'start',\n 'step',\n 'summary',\n 'translate',\n 'type',\n 'valign',\n 'value',\n 'width',\n 'wrap',\n 'itemscope',\n 'itemtype',\n 'itemid',\n 'itemprop',\n 'itemref',\n]), new Map([\n [\n 'dir', {\n policyAction: sanitizer_table_1.AttributePolicyAction.KEEP_AND_NORMALIZE,\n conditions: new Map([[\n 'dir', new Set([\n 'auto',\n 'ltr',\n 'rtl',\n ])\n ]])\n }\n ],\n [\n 'async', {\n policyAction: sanitizer_table_1.AttributePolicyAction.KEEP_AND_NORMALIZE,\n conditions: new Map([[\n 'async', new Set([\n 'async',\n ])\n ]])\n }\n ],\n ['cite', { policyAction: sanitizer_table_1.AttributePolicyAction.KEEP_AND_SANITIZE_URL }],\n [\n 'loading', {\n policyAction: sanitizer_table_1.AttributePolicyAction.KEEP_AND_NORMALIZE,\n conditions: new Map([[\n 'loading', new Set([\n 'eager',\n 'lazy',\n ])\n ]])\n }\n ],\n ['poster', { policyAction: sanitizer_table_1.AttributePolicyAction.KEEP_AND_SANITIZE_URL }],\n [\n 'target', {\n policyAction: sanitizer_table_1.AttributePolicyAction.KEEP_AND_NORMALIZE,\n conditions: new Map([[\n 'target', new Set([\n '_self',\n '_blank',\n ])\n ]])\n }\n ],\n]));\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.AttributePolicyAction = exports.SanitizerTable = void 0;\n/** Class for holding element and attribute policies used for sanitization. */\nvar SanitizerTable = /** @class */ (function () {\n function SanitizerTable(allowedElements, elementPolicies, allowedGlobalAttributes, globalAttributePolicies) {\n this.allowedElements = allowedElements;\n this.elementPolicies = elementPolicies;\n this.allowedGlobalAttributes = allowedGlobalAttributes;\n this.globalAttributePolicies = globalAttributePolicies;\n }\n SanitizerTable.prototype.isAllowedElement = function (elementName) {\n // Note: `HTMLFormElement`s are always dropped, supporting them is very\n // costly because of the DOM clobberring they can cause. The additional code\n // size required to properly work around DOM clobberring issues is large and\n // shouldn't be put on every user of the sanitizer. Thoroughly review\n // b/210975025 and the CLs linked there before you start allowing form\n // elements.\n return elementName.toLowerCase() !== 'form' &&\n (this.allowedElements.has(elementName) ||\n this.elementPolicies.has(elementName));\n };\n SanitizerTable.prototype.getAttributePolicy = function (attributeName, elementName) {\n var elementPolicy = this.elementPolicies.get(elementName);\n if (elementPolicy === null || elementPolicy === void 0 ? void 0 : elementPolicy.has(attributeName)) {\n return elementPolicy.get(attributeName);\n }\n if (this.allowedGlobalAttributes.has(attributeName)) {\n return { policyAction: AttributePolicyAction.KEEP };\n }\n var globalPolicy = this.globalAttributePolicies.get(attributeName);\n return globalPolicy || { policyAction: AttributePolicyAction.DROP };\n };\n return SanitizerTable;\n}());\nexports.SanitizerTable = SanitizerTable;\n/**\n * Values derived from\n * https://godoc.corp.google.com/pkg/google3/third_party/safehtml/sanitizer/policy#AttributePolicy\n */\nvar AttributePolicyAction;\n(function (AttributePolicyAction) {\n AttributePolicyAction[AttributePolicyAction[\"DROP\"] = 0] = \"DROP\";\n AttributePolicyAction[AttributePolicyAction[\"KEEP\"] = 1] = \"KEEP\";\n AttributePolicyAction[AttributePolicyAction[\"KEEP_AND_SANITIZE_URL\"] = 2] = \"KEEP_AND_SANITIZE_URL\";\n AttributePolicyAction[AttributePolicyAction[\"KEEP_AND_NORMALIZE\"] = 3] = \"KEEP_AND_NORMALIZE\";\n AttributePolicyAction[AttributePolicyAction[\"KEEP_AND_SANITIZE_STYLE\"] = 4] = \"KEEP_AND_SANITIZE_STYLE\";\n})(AttributePolicyAction = exports.AttributePolicyAction || (exports.AttributePolicyAction = {}));\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.blobUrlFromScript = exports.replaceFragment = exports.appendParams = exports.trustedResourceUrl = void 0;\nrequire(\"../environment/dev\");\nvar resource_url_impl_1 = require(\"../internals/resource_url_impl\");\nvar script_impl_1 = require(\"../internals/script_impl\");\nvar string_literal_1 = require(\"../internals/string_literal\");\n/**\n * Check whether the base url contains a valid origin,\n *\n * A string for an origin must contain only alphanumeric or any of the\n * following: `-.:`, and must not be an IP address. Remember that, as per the\n * documentation for TrustedResourceUrl, the origin must be trustworthy.\n *\n * @param base The base url that contains an origin.\n */\nfunction hasValidOrigin(base) {\n if (!(/^https:\\/\\//.test(base) || /^\\/\\//.test(base))) {\n return false;\n }\n var originStart = base.indexOf('//') + 2;\n var originEnd = base.indexOf('/', originStart);\n // If the base url only contains the prefix (e.g. //), or the slash\n // for the origin is right after the prefix (e.g. ///), the origin is\n // missing.\n if (originEnd <= originStart) {\n throw new Error(\"Can't interpolate data in a url's origin, \" +\n \"Please make sure to fully specify the origin, terminated with '/'.\");\n }\n var origin = base.substring(originStart, originEnd);\n if (!/^[0-9a-z.:-]+$/i.test(origin)) {\n throw new Error('The origin contains unsupported characters.');\n }\n if (!/^[^:]*(:[0-9]+)?$/i.test(origin)) {\n throw new Error('Invalid port number.');\n }\n if (!/(^|\\.)[a-z][^.]*$/i.test(origin)) {\n throw new Error('The top-level domain must start with a letter.');\n }\n return true;\n}\n/**\n * Check whether the base url contains a valid about url at its beginning.\n *\n * An about url is either exactly 'about:blank' or 'about:blank#<str>' where\n * <str> can be an arbitrary string.\n *\n * @param base The base url.\n */\nfunction isValidAboutUrl(base) {\n if (!/^about:blank/.test(base)) {\n return false;\n }\n if (base !== 'about:blank' && !/^about:blank#/.test(base)) {\n throw new Error('The about url is invalid.');\n }\n return true;\n}\n/**\n * Check whether the base url contains a valid path start at its beginning.\n *\n * A valid path start is either a '/' or a '/' followed by at least one\n * character that is not '/' or '\\'.\n *\n * @param base The base url.\n */\nfunction isValidPathStart(base) {\n if (!/^\\//.test(base)) {\n return false;\n }\n if ((base === '/') ||\n (base.length > 1 && base[1] !== '/' && base[1] !== '\\\\')) {\n return true;\n }\n throw new Error('The path start in the url is invalid.');\n}\n/**\n * Builds TrustedResourceUrl from a template literal.\n *\n * This factory is a template literal tag function. It should be called with\n * a template literal, with or without embedded expressions. For example,\n * trustedResourceUrl`//example.com/${bar}`;\n * or\n * trustedResourceUrl`//example.com`;\n *\n * When this function is called with a template literal without any embedded\n * expressions, the template string may contain anything as the whole URL is\n * a compile-time string constant.\n *\n * When this function is called with a template literal that contains embedded\n * expressions, the template must start with one of the following:\n * - `https://<origin>/`\n * - `//<origin>/`\n * - `/<pathStart>`\n * - `about:blank`\n * - `data:`\n *\n * `<origin>` must contain only alphanumeric or any of the following: `-.:`.\n * Remember that, as per the documentation for TrustedResourceUrl, the origin\n * must be trustworthy. An origin of \"example.com\" could be set with this\n * method, but would tie the security of your site to the security of\n * example.com. Similarly, formats that potentially cover redirects hosted\n * on a trusted origin are problematic, since that could lead to untrusted\n * origins.\n *\n * `<pathStart>` is either an empty string, or a non empty string that does not\n * start with '/' or '\\'.\n * In other words, `/<pathStart>` is either a '/' or a\n * '/' followed by at least one character that is not '/' or '\\'.\n *\n * `data:` (data URL) does not allow embedded expressions in the template\n * literal input.\n *\n * All embedded expressions are URL encoded when they are interpolated. Do not\n * embed expressions that are already URL encoded as they will be double encoded\n * by the builder.\n *\n * @param templateObj This contains the literal part of the template literal.\n * @param rest This represents the template's embedded expressions.\n */\nfunction trustedResourceUrl(templateObj) {\n var rest = [];\n for (var _i = 1; _i < arguments.length; _i++) {\n rest[_i - 1] = arguments[_i];\n }\n // Check if templateObj is actually from a template literal.\n if (process.env.NODE_ENV !== 'production') {\n (0, string_literal_1.assertIsTemplateObject)(templateObj, true, 'trustedResourceUrl is a template literal tag function and ' +\n 'can only be called as such (e.g. trustedResourceUrl`/somepath.js`)');\n }\n if (rest.length === 0) {\n return (0, resource_url_impl_1.createResourceUrl)(templateObj[0]);\n }\n var base = templateObj[0].toLowerCase();\n if (process.env.NODE_ENV !== 'production') {\n if (/^data:/.test(base)) {\n throw new Error('Data URLs cannot have expressions in the template literal input.');\n }\n if (!hasValidOrigin(base) && !isValidPathStart(base) &&\n !isValidAboutUrl(base)) {\n throw new Error('Trying to interpolate expressions in an unsupported url format.');\n }\n }\n var urlParts = [templateObj[0]];\n for (var i = 0; i < rest.length; i++) {\n urlParts.push(encodeURIComponent(rest[i]));\n urlParts.push(templateObj[i + 1]);\n }\n return (0, resource_url_impl_1.createResourceUrl)(urlParts.join(''));\n}\nexports.trustedResourceUrl = trustedResourceUrl;\n/**\n * Creates a new TrustedResourceUrl with params added to the URL's search\n * parameters.\n *\n * @param params What to add to the URL. Parameters with value `null` or\n * `undefined` are skipped. Both keys and values will be encoded. Do not pass\n * pre-encoded values as this will result them being double encoded. If the\n * value is an array then the same parameter is added for every element in the\n * array.\n */\nfunction appendParams(trustedUrl, params) {\n var url = (0, resource_url_impl_1.unwrapResourceUrl)(trustedUrl).toString();\n if (/#/.test(url)) {\n var message = '';\n if (process.env.NODE_ENV !== 'production') {\n message = \"Found a hash in url (\".concat(url, \"), appending not supported\");\n }\n throw new Error(message);\n }\n var separator = /\\?/.test(url) ? '&' : '?';\n // for-of has a big polyfill.\n // tslint:disable-next-line:ban-iterable-foreach\n params.forEach(function (value, key) {\n var values = (value instanceof Array) ? value : [value];\n for (var i = 0; i < values.length; i++) {\n var v = values[i];\n if (v === null || v === undefined) {\n continue;\n }\n url += separator + encodeURIComponent(key) + '=' +\n encodeURIComponent(String(v));\n separator = '&';\n }\n });\n return (0, resource_url_impl_1.createResourceUrl)(url);\n}\nexports.appendParams = appendParams;\nvar BEFORE_FRAGMENT_REGEXP = /[^#]*/;\n/**\n * Creates a new TrustedResourceUrl based on an existing one but with the\n * addition of a fragment (the part after `#`). If the URL already has a\n * fragment, it is replaced with the new one.\n * @param fragment The fragment to add to the URL, verbatim, without the leading\n * `#`. No additional escaping is applied.\n */\nfunction replaceFragment(trustedUrl, fragment) {\n var urlString = (0, resource_url_impl_1.unwrapResourceUrl)(trustedUrl).toString();\n return (0, resource_url_impl_1.createResourceUrl)(BEFORE_FRAGMENT_REGEXP.exec(urlString)[0] + '#' + fragment);\n}\nexports.replaceFragment = replaceFragment;\n/**\n * Creates a `TrustedResourceUrl` by generating a `Blob` from a\n * `SafeScript` and then calling `URL.createObjectURL` with that `Blob`.\n *\n * Caller must call `URL.revokeObjectUrl()` on the stringified url to\n * release the underlying `Blob`.\n */\nfunction blobUrlFromScript(safeScript) {\n var scriptContent = (0, script_impl_1.unwrapScript)(safeScript).toString();\n var blob = new Blob([scriptContent], { type: 'text/javascript' });\n return (0, resource_url_impl_1.createResourceUrl)(URL.createObjectURL(blob));\n}\nexports.blobUrlFromScript = blobUrlFromScript;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.safeScriptWithArgs = exports.scriptFromJson = exports.concatScripts = exports.safeScript = void 0;\nrequire(\"../environment/dev\");\nvar script_impl_1 = require(\"../internals/script_impl\");\nvar string_literal_1 = require(\"../internals/string_literal\");\n/**\n * Creates a SafeScript object from a template literal (without any embedded\n * expressions).\n *\n * This function is a template literal tag function. It should be called with\n * a template literal that does not contain any expressions. For example,\n * safeScript`foo`;\n *\n * @param templateObj This contains the literal part of the template literal.\n */\nfunction safeScript(templateObj) {\n if (process.env.NODE_ENV !== 'production') {\n (0, string_literal_1.assertIsTemplateObject)(templateObj, false, 'safeScript is a template literal tag function ' +\n 'that only accepts template literals without expressions. ' +\n 'For example, safeScript`foo`;');\n }\n return (0, script_impl_1.createScript)(templateObj[0]);\n}\nexports.safeScript = safeScript;\n/** Creates a `SafeScript` value by concatenating multiple `SafeScript`s. */\nfunction concatScripts(scripts) {\n return (0, script_impl_1.createScript)(scripts.map(script_impl_1.unwrapScript).join(''));\n}\nexports.concatScripts = concatScripts;\n/**\n * Converts a serializable value into JSON that is safe to interpolate into a\n * script context. In particular it escapes < characters so that a value of\n * \"</script>\" doesn't break out of the context.\n * @param value The value to serialize.\n */\nfunction scriptFromJson(value) {\n return (0, script_impl_1.createScript)(JSON.stringify(value).replace(/</g, '\\\\x3c'));\n}\nexports.scriptFromJson = scriptFromJson;\n/**\n * Creates a `SafeScript` object from a template literal (without any embedded\n * expressions) along with additional arguments that the script should have\n * access to. These arguments will be JSON-encoded and passed to the script as\n * a function call.\n * @example\n * ```ts\n * safeScriptWithArgs`function (name, props) {\n * console.log(name + ' is ' + props.age);\n * }`('Bob', { 'age': 42 })\n * ```\n * would return a `SafeScript` that represents the following code:\n * ```js\n * (function (name, props) {\n * console.log(name + ' is ' + props.age);\n * })(\"Bob\",{\"age\":42})\n * ```\n * @note Be careful when passing objects as arguments, as unquoted property\n * names may be changed during compilation.\n * @param templateObj This contains the literal part of the template literal.\n * @param emptyArgs Expressions that evaluate to the empty string to enable\n * inline comments.\n */\nfunction safeScriptWithArgs(templateObj) {\n var emptyArgs = [];\n for (var _i = 1; _i < arguments.length; _i++) {\n emptyArgs[_i - 1] = arguments[_i];\n }\n if (process.env.NODE_ENV !== 'production') {\n if (emptyArgs.some(function (a) { return a !== ''; })) {\n throw new Error('safeScriptWithArgs only allows empty string expressions ' +\n 'to enable inline comments.');\n }\n (0, string_literal_1.assertIsTemplateObject)(templateObj, true, 'safeScriptWithArgs is a template literal tag function ' +\n 'that only accepts template literals. ' +\n 'For example, safeScriptWithArgs`foo`;');\n }\n return function () {\n var argValues = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n argValues[_i] = arguments[_i];\n }\n var values = argValues.map(function (v) { return scriptFromJson(v).toString(); });\n return (0, script_impl_1.createScript)(\"(\".concat(templateObj.join(''), \")(\").concat(values.join(','), \")\"));\n };\n}\nexports.safeScriptWithArgs = safeScriptWithArgs;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.SECURITY_SENSITIVE_ATTRIBUTES = void 0;\n// AUTOGENERATED. DO NOT EDIT.\n/**\n * Security sensitive attribute names that should not be set through\n * `setAttribute` or similar functions.\n */\nexports.SECURITY_SENSITIVE_ATTRIBUTES = [\n 'href',\n 'rel',\n 'src',\n 'srcdoc',\n 'action',\n 'formaction',\n 'sandbox',\n 'cite',\n 'poster',\n 'icon',\n];\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.concatStyles = exports.safeStyle = void 0;\nrequire(\"../environment/dev\");\nvar string_literal_1 = require(\"../internals/string_literal\");\nvar style_impl_1 = require(\"../internals/style_impl\");\n/**\n * Creates a SafeStyle object from a template literal (without any embedded\n * expressions).\n *\n * ` style` should be in the format\n * ` name: value; [name: value; ...]` and must not have any < or >\n * characters in it. This is so that SafeStyle's contract is preserved,\n * allowing the SafeStyle to correctly be interpreted as a sequence of CSS\n * declarations and without affecting the syntactic structure of any\n * surrounding CSS and HTML.\n *\n * This function is a template literal tag function. It should be called with\n * a template literal that does not contain any expressions. For example,\n * safeStyle`foo`;\n * This function first checks if it is called with a literal template, and\n * then performs basic sanity checks on the format of ` style`\n * but does not constrain the format of ` name} and {@code value`, except\n * for disallowing tag characters.\n *\n * @param templateObj This contains the literal part of the template literal.\n */\nfunction safeStyle(templateObj) {\n if (process.env.NODE_ENV !== 'production') {\n (0, string_literal_1.assertIsTemplateObject)(templateObj, false, 'safeStyle is a template literal tag function ' +\n 'that only accepts template literals without expressions. ' +\n 'For example, safeStyle`foo`;');\n }\n var style = templateObj[0];\n if (process.env.NODE_ENV !== 'production') {\n if (/[<>]/.test(style)) {\n throw new Error('Forbidden characters in style string: ' + style);\n }\n if (!/;$/.test(style)) {\n throw new Error('Style string does not end with \";\": ' + style);\n }\n if (!/:/.test(style)) {\n throw new Error('Style string should contain one or more \":\": ' + style);\n }\n }\n return (0, style_impl_1.createStyle)(style);\n}\nexports.safeStyle = safeStyle;\n/** Creates a `SafeStyle` value by concatenating multiple `SafeStyle`s. */\nfunction concatStyles(styles) {\n return (0, style_impl_1.createStyle)(styles.map(style_impl_1.unwrapStyle).join(''));\n}\nexports.concatStyles = concatStyles;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.concatStyleSheets = exports.safeStyleSheet = void 0;\nrequire(\"../environment/dev\");\nvar string_literal_1 = require(\"../internals/string_literal\");\nvar style_sheet_impl_1 = require(\"../internals/style_sheet_impl\");\n/**\n * Creates a SafeStyleSheet object from a template literal (without any\n * embedded expressions).\n *\n * This function is a template literal tag function. It should be called with\n * a template literal that does not contain any expressions. For example,\n * safeStyleSheet`foo`;\n * The argument must not have any < or > characters in it. This is so that\n * SafeStyleSheet's contract is preserved, allowing the SafeStyleSheet to\n * correctly be interpreted as a sequence of CSS declarations and without\n * affecting the syntactic structure of any surrounding CSS and HTML.\n *\n * @param templateObj This contains the literal part of the template literal.\n */\nfunction safeStyleSheet(templateObj) {\n if (process.env.NODE_ENV !== 'production') {\n (0, string_literal_1.assertIsTemplateObject)(templateObj, false, 'safeStyleSheet is a template literal tag ' +\n 'function that only accepts template literals without ' +\n 'expressions. For example, safeStyleSheet`foo`;');\n }\n var styleSheet = templateObj[0];\n if (process.env.NODE_ENV !== 'production') {\n if (/[<>]/.test(styleSheet)) {\n throw new Error('Forbidden characters in styleSheet string: ' + styleSheet);\n }\n }\n return (0, style_sheet_impl_1.createStyleSheet)(styleSheet);\n}\nexports.safeStyleSheet = safeStyleSheet;\n/**\n * Creates a `SafeStyleSheet` value by concatenating multiple `SafeStyleSheet`s.\n */\nfunction concatStyleSheets(sheets) {\n return (0, style_sheet_impl_1.createStyleSheet)(sheets.map(style_sheet_impl_1.unwrapStyleSheet).join(''));\n}\nexports.concatStyleSheets = concatStyleSheets;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.restrictivelySanitizeUrl = exports.unwrapUrlOrSanitize = exports.sanitizeJavascriptUrl = void 0;\n/**\n * @fileoverview Provides functions to enforce the SafeUrl contract at the sink\n * level.\n */\nrequire(\"../environment/dev\");\nfunction extractScheme(url) {\n var parsedUrl;\n try {\n parsedUrl = new URL(url);\n }\n catch (e) {\n // According to https://url.spec.whatwg.org/#constructors, the URL\n // constructor with one parameter throws if `url` is not absolute. In this\n // case, we are sure that no explicit scheme (javascript: ) is set.\n // This can also be a URL parsing error, but in this case the URL won't be\n // run anyway.\n return 'https:';\n }\n return parsedUrl.protocol;\n}\n// We can't use an ES6 Set here because gws somehow depends on this code and\n// doesn't want to pay the cost of a polyfill.\nvar ALLOWED_SCHEMES = ['data:', 'http:', 'https:', 'mailto:', 'ftp:'];\n/**\n * Checks that the URL scheme is not javascript.\n * The URL parsing relies on the URL API in browsers that support it.\n * @param url The URL to sanitize for a SafeUrl sink.\n * @return undefined if url has a javascript: scheme, the original URL\n * otherwise.\n */\nfunction sanitizeJavascriptUrl(url) {\n var parsedScheme = extractScheme(url);\n if (parsedScheme === 'javascript:') {\n if (process.env.NODE_ENV !== 'production') {\n console.error(\"A URL with content '\".concat(url, \"' was sanitized away.\"));\n }\n return undefined;\n }\n return url;\n}\nexports.sanitizeJavascriptUrl = sanitizeJavascriptUrl;\n/**\n * Adapter to sanitize string URLs in DOM sink wrappers.\n * @return undefined if the URL was sanitized.\n */\nfunction unwrapUrlOrSanitize(url) {\n return sanitizeJavascriptUrl(url);\n}\nexports.unwrapUrlOrSanitize = unwrapUrlOrSanitize;\n/**\n * Sanitizes a URL restrictively.\n * This sanitizer protects against XSS and potentially other uncommon and\n * undesirable schemes that an attacker could use for e.g. phishing (tel:,\n * callto: ssh: etc schemes). This sanitizer is primarily meant to be used by\n * the HTML sanitizer.\n */\nfunction restrictivelySanitizeUrl(url) {\n var parsedScheme = extractScheme(url);\n if (parsedScheme !== undefined &&\n ALLOWED_SCHEMES.indexOf(parsedScheme.toLowerCase()) !== -1) {\n return url;\n }\n return 'about:invalid#zClosurez';\n}\nexports.restrictivelySanitizeUrl = restrictivelySanitizeUrl;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.setHref = void 0;\nvar url_sanitizer_1 = require(\"../../builders/url_sanitizer\");\n/**\n * Sets the Href attribute from the given Url.\n */\nfunction setHref(anchor, url) {\n var sanitizedUrl = (0, url_sanitizer_1.unwrapUrlOrSanitize)(url);\n if (sanitizedUrl !== undefined) {\n anchor.href = sanitizedUrl;\n }\n}\nexports.setHref = setHref;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.setHref = void 0;\nvar url_sanitizer_1 = require(\"../../builders/url_sanitizer\");\n/**\n * Sets the Href attribute from the given Url.\n */\nfunction setHref(area, url) {\n var sanitizedUrl = (0, url_sanitizer_1.unwrapUrlOrSanitize)(url);\n if (sanitizedUrl !== undefined) {\n area.href = sanitizedUrl;\n }\n}\nexports.setHref = setHref;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.setFormaction = void 0;\nvar url_sanitizer_1 = require(\"../../builders/url_sanitizer\");\n/**\n * Sets the Formaction attribute from the given Url.\n */\nfunction setFormaction(button, url) {\n var sanitizedUrl = (0, url_sanitizer_1.unwrapUrlOrSanitize)(url);\n if (sanitizedUrl !== undefined) {\n button.formAction = sanitizedUrl;\n }\n}\nexports.setFormaction = setFormaction;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nvar __read = (this && this.__read) || function (o, n) {\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\n if (!m) return o;\n var i = m.call(o), r, ar = [], e;\n try {\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\n }\n catch (error) { e = { error: error }; }\n finally {\n try {\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\n }\n finally { if (e) throw e.error; }\n }\n return ar;\n};\nvar __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {\n if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {\n if (ar || !(i in from)) {\n if (!ar) ar = Array.prototype.slice.call(from, 0, i);\n ar[i] = from[i];\n }\n }\n return to.concat(ar || Array.prototype.slice.call(from));\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.setPrefixedAttribute = exports.buildPrefixedAttributeSetter = exports.insertAdjacentHtml = exports.setCssText = exports.setOuterHtml = exports.setInnerHtml = void 0;\n/**\n * @fileoverview This contains safe wrappers for properties that aren't specific\n * to one kind of HTMLElement (like innerHTML), plus other setters and functions\n * that are not tied to elements (like location.href or Worker constructor).\n */\nvar attribute_impl_1 = require(\"../../internals/attribute_impl\");\nvar html_impl_1 = require(\"../../internals/html_impl\");\nvar style_impl_1 = require(\"../../internals/style_impl\");\n/**\n * Safely set {@link Element.innerHTML} on a given ShadowRoot or Element which\n * may not be a `<script>` element or a `<style>` element.\n */\nfunction setInnerHtml(elOrRoot, v) {\n if (isElement(elOrRoot)) {\n throwIfScriptOrStyle(elOrRoot);\n }\n elOrRoot.innerHTML = (0, html_impl_1.unwrapHtml)(v);\n}\nexports.setInnerHtml = setInnerHtml;\n/**\n * Safely set {@link Element.outerHTML} for the given Element.\n */\nfunction setOuterHtml(e, v) {\n var parent = e.parentElement;\n if (parent !== null) {\n throwIfScriptOrStyle(parent);\n }\n e.outerHTML = (0, html_impl_1.unwrapHtml)(v);\n}\nexports.setOuterHtml = setOuterHtml;\n/**\n * Set `ElementCSSInlineStyle.cssText` for the given `ElementCSSInlineStyle`.\n */\nfunction setCssText(e, v) {\n e.style.cssText = (0, style_impl_1.unwrapStyle)(v);\n}\nexports.setCssText = setCssText;\n/**\n * Safely call {@link Element.insertAdjacentHTML} for the given Element.\n */\nfunction insertAdjacentHtml(element, position, v) {\n var tagContext = (position === 'beforebegin' || position === 'afterend') ?\n element.parentElement :\n element;\n if (tagContext !== null) {\n throwIfScriptOrStyle(tagContext);\n }\n element.insertAdjacentHTML(position, (0, html_impl_1.unwrapHtml)(v));\n}\nexports.insertAdjacentHtml = insertAdjacentHtml;\n/**\n * Given a set of known-to-be-safe prefixes (e.g., \"data-\", \"aria-\", \"js\"),\n * return a setter function that allows you to set attributes on an element,\n * as long as the names of the attributes to be set has one of the prefixes.\n *\n * The returned setter ensures that setting any dangerous attribute, e.g.,\n * \"src\", \"href\" will cause an exception. This is intended to be used as the\n * safe alterantive of `Element#setAttribute`, when applications need to set\n * attributes that do not have security implications and do not have a\n * corresponding DOM property.\n */\nfunction buildPrefixedAttributeSetter(prefix) {\n var otherPrefixes = [];\n for (var _i = 1; _i < arguments.length; _i++) {\n otherPrefixes[_i - 1] = arguments[_i];\n }\n var prefixes = __spreadArray([prefix], __read(otherPrefixes), false);\n return function (e, attr, value) {\n setPrefixedAttribute(prefixes, e, attr, value);\n };\n}\nexports.buildPrefixedAttributeSetter = buildPrefixedAttributeSetter;\n/**\n * The safe alternative to Element#setAttribute. The function takes a list of\n * `SafeAttributePrefix`, making developer intention explicit. The attribute\n * to be set must has one of the safe prefixes, otherwise the function throws\n * an Error.\n */\nfunction setPrefixedAttribute(attrPrefixes, e, attr, value) {\n if (attrPrefixes.length === 0) {\n throw new Error('No prefixes are provided');\n }\n var prefixes = attrPrefixes.map(function (s) { return (0, attribute_impl_1.unwrapAttributePrefix)(s); });\n var attrLower = attr.toLowerCase();\n if (prefixes.every(function (p) { return attrLower.indexOf(p) !== 0; })) {\n throw new Error(\"Attribute \\\"\".concat(attr, \"\\\" does not match any of the allowed prefixes.\"));\n }\n e.setAttribute(attr, value);\n}\nexports.setPrefixedAttribute = setPrefixedAttribute;\nfunction throwIfScriptOrStyle(element) {\n if (element.tagName.toLowerCase() === 'script') {\n throw new Error('Use setTextContent with a SafeScript.');\n }\n else if (element.tagName.toLowerCase() === 'style') {\n throw new Error('Use setTextContent with a SafeStyleSheet.');\n }\n}\nfunction isElement(elOrRoot) {\n return elOrRoot.tagName !== undefined;\n}\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.setSrc = void 0;\nvar resource_url_impl_1 = require(\"../../internals/resource_url_impl\");\n/**\n * Sets the Src attribute from the given SafeUrl.\n */\nfunction setSrc(embedEl, url) {\n embedEl.src = (0, resource_url_impl_1.unwrapResourceUrl)(url);\n}\nexports.setSrc = setSrc;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.setAction = void 0;\nvar url_sanitizer_1 = require(\"../../builders/url_sanitizer\");\n/**\n * Sets the Action attribute from the given Url.\n */\nfunction setAction(form, url) {\n var sanitizedUrl = (0, url_sanitizer_1.unwrapUrlOrSanitize)(url);\n if (sanitizedUrl !== undefined) {\n form.action = sanitizedUrl;\n }\n}\nexports.setAction = setAction;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.setSrcdoc = exports.setSrc = void 0;\n/**\n * @fileoverview Safe iframe helpers and go/intents-for-iframes-for-closure\n */\nvar html_impl_1 = require(\"../../internals/html_impl\");\nvar resource_url_impl_1 = require(\"../../internals/resource_url_impl\");\n/** Sets the Src attribute using a TrustedResourceUrl */\nfunction setSrc(iframe, v) {\n iframe.src = (0, resource_url_impl_1.unwrapResourceUrl)(v).toString();\n}\nexports.setSrc = setSrc;\n/** Sets the Srcdoc attribute using a SafeHtml */\nfunction setSrcdoc(iframe, v) {\n iframe.srcdoc = (0, html_impl_1.unwrapHtml)(v);\n}\nexports.setSrcdoc = setSrcdoc;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.setFormaction = void 0;\nvar url_sanitizer_1 = require(\"../../builders/url_sanitizer\");\n/**\n * Sets the Formaction attribute from the given Url.\n */\nfunction setFormaction(input, url) {\n var sanitizedUrl = (0, url_sanitizer_1.unwrapUrlOrSanitize)(url);\n if (sanitizedUrl !== undefined) {\n input.formAction = sanitizedUrl;\n }\n}\nexports.setFormaction = setFormaction;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.setHrefAndRel = void 0;\nvar url_sanitizer_1 = require(\"../../builders/url_sanitizer\");\nvar resource_url_impl_1 = require(\"../../internals/resource_url_impl\");\nvar SAFE_URL_REL_VALUES = [\n 'alternate',\n 'author',\n 'bookmark',\n 'canonical',\n 'cite',\n 'help',\n 'icon',\n 'license',\n 'next',\n 'prefetch',\n 'dns-prefetch',\n 'prerender',\n 'preconnect',\n 'preload',\n 'prev',\n 'search',\n 'subresource',\n];\nfunction setHrefAndRel(link, url, rel) {\n if (url instanceof resource_url_impl_1.TrustedResourceUrl) {\n link.href = (0, resource_url_impl_1.unwrapResourceUrl)(url).toString();\n }\n else {\n if (SAFE_URL_REL_VALUES.indexOf(rel) === -1) {\n throw new Error(\"TrustedResourceUrl href attribute required with rel=\\\"\".concat(rel, \"\\\"\"));\n }\n var sanitizedUrl = (0, url_sanitizer_1.unwrapUrlOrSanitize)(url);\n if (sanitizedUrl === undefined) {\n return;\n }\n link.href = sanitizedUrl;\n }\n link.rel = rel;\n}\nexports.setHrefAndRel = setHrefAndRel;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.setData = void 0;\nvar resource_url_impl_1 = require(\"../../internals/resource_url_impl\");\n/** Sets the data attribute using a TrustedResourceUrl */\nfunction setData(obj, v) {\n obj.data = (0, resource_url_impl_1.unwrapResourceUrl)(v);\n}\nexports.setData = setData;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.setSrc = exports.setTextContent = void 0;\nvar resource_url_impl_1 = require(\"../../internals/resource_url_impl\");\nvar script_impl_1 = require(\"../../internals/script_impl\");\n/** Returns CSP nonce, if set for any script tag. */\nfunction getScriptNonceFromWindow(win) {\n var _a;\n var doc = win.document;\n // document.querySelector can be undefined in non-browser environments.\n var script = (_a = doc.querySelector) === null || _a === void 0 ? void 0 : _a.call(doc, 'script[nonce]');\n if (script) {\n // Try to get the nonce from the IDL property first, because browsers that\n // implement additional nonce protection features (currently only Chrome) to\n // prevent nonce stealing via CSS do not expose the nonce via attributes.\n // See https://github.com/whatwg/html/issues/2369\n return script['nonce'] || script.getAttribute('nonce') || '';\n }\n return '';\n}\n/** Propagates CSP nonce to dynamically created scripts. */\nfunction setNonceForScriptElement(script) {\n var win = script.ownerDocument && script.ownerDocument.defaultView;\n var nonce = getScriptNonceFromWindow(win || window);\n if (nonce) {\n script.setAttribute('nonce', nonce);\n }\n}\n/** Sets textContent from the given SafeScript. */\nfunction setTextContent(script, v) {\n script.textContent = (0, script_impl_1.unwrapScript)(v);\n setNonceForScriptElement(script);\n}\nexports.setTextContent = setTextContent;\n/** Sets the Src attribute using a TrustedResourceUrl */\nfunction setSrc(script, v) {\n script.src = (0, resource_url_impl_1.unwrapResourceUrl)(v);\n setNonceForScriptElement(script);\n}\nexports.setSrc = setSrc;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.setTextContent = void 0;\nvar style_sheet_impl_1 = require(\"../../internals/style_sheet_impl\");\n/** Safe setters for `HTMLStyleElement`s. */\nfunction setTextContent(elem, safeStyleSheet) {\n elem.textContent = (0, style_sheet_impl_1.unwrapStyleSheet)(safeStyleSheet);\n}\nexports.setTextContent = setTextContent;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.execCommandInsertHtml = exports.execCommand = exports.write = void 0;\nvar html_impl_1 = require(\"../../internals/html_impl\");\n/**\n * write safely calls {@link Document.write} on the given {@link Document} with\n * the given {@link SafeHtml}.\n */\nfunction write(doc, text) {\n doc.write((0, html_impl_1.unwrapHtml)(text));\n}\nexports.write = write;\n/**\n * Safely calls {@link Document.execCommand}. When command is insertHtml, a\n * SafeHtml must be passed in as value.\n */\nfunction execCommand(doc, command, value) {\n var commandString = String(command);\n var valueArgument = value;\n if (commandString.toLowerCase() === 'inserthtml') {\n valueArgument = (0, html_impl_1.unwrapHtml)(value);\n }\n return doc.execCommand(commandString, /* showUi= */ false, valueArgument);\n}\nexports.execCommand = execCommand;\n/**\n * Safely calls {@link Document.execCommand}('insertHtml').\n * @deprecated Use safeDocument.execCommand.\n */\nfunction execCommandInsertHtml(doc, html) {\n return doc.execCommand('insertHTML', /* showUi= */ false, (0, html_impl_1.unwrapHtml)(html));\n}\nexports.execCommandInsertHtml = execCommandInsertHtml;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.parseFromString = exports.parseHtml = void 0;\nvar html_impl_1 = require(\"../../internals/html_impl\");\n/** Safely parses a string using the HTML parser. */\nfunction parseHtml(parser, html) {\n return parseFromString(parser, html, 'text/html');\n}\nexports.parseHtml = parseHtml;\n/** Safely parses a string using the HTML or XML parser. */\nfunction parseFromString(parser, content, contentType) {\n return parser.parseFromString((0, html_impl_1.unwrapHtml)(content), contentType);\n}\nexports.parseFromString = parseFromString;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.globalEval = void 0;\nvar script_impl_1 = require(\"../../internals/script_impl\");\n/**\n * Evaluates a SafeScript value in the given scope using eval.\n *\n * Strongly consider avoiding this, as eval blocks CSP adoption and does not\n * benefit from compiler optimizations.\n */\nfunction globalEval(win, script) {\n var trustedScript = (0, script_impl_1.unwrapScript)(script);\n var result = win.eval(trustedScript);\n if (result === trustedScript) {\n // https://crbug.com/1024786 manifesting in workers.\n result = win.eval(trustedScript.toString());\n }\n return result;\n}\nexports.globalEval = globalEval;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.assign = exports.replace = exports.setHref = void 0;\nvar url_sanitizer_1 = require(\"../../builders/url_sanitizer\");\n/**\n * setHref safely sets {@link Location.href} on the given {@link Location} with\n * given {@link Url}.\n */\nfunction setHref(loc, url) {\n var sanitizedUrl = (0, url_sanitizer_1.unwrapUrlOrSanitize)(url);\n if (sanitizedUrl !== undefined) {\n loc.href = sanitizedUrl;\n }\n}\nexports.setHref = setHref;\n/**\n * replace safely calls {@link Location.replace} on the given {@link Location}\n * with given {@link Url}.\n */\nfunction replace(loc, url) {\n var sanitizedUrl = (0, url_sanitizer_1.unwrapUrlOrSanitize)(url);\n if (sanitizedUrl !== undefined) {\n loc.replace(sanitizedUrl);\n }\n}\nexports.replace = replace;\n/**\n * assign safely calls {@link Location.assign} on the given {@link Location}\n * with given {@link Url}.\n */\nfunction assign(loc, url) {\n var sanitizedUrl = (0, url_sanitizer_1.unwrapUrlOrSanitize)(url);\n if (sanitizedUrl !== undefined) {\n loc.assign(sanitizedUrl);\n }\n}\nexports.assign = assign;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.createContextualFragment = void 0;\nvar html_impl_1 = require(\"../../internals/html_impl\");\n/** Safely creates a contextualFragment. */\nfunction createContextualFragment(range, html) {\n return range.createContextualFragment((0, html_impl_1.unwrapHtml)(html));\n}\nexports.createContextualFragment = createContextualFragment;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.register = void 0;\nvar resource_url_impl_1 = require(\"../../internals/resource_url_impl\");\n/** Safely registers a service worker by URL */\nfunction register(container, scriptURL, options) {\n return container.register((0, resource_url_impl_1.unwrapResourceUrl)(scriptURL), options);\n}\nexports.register = register;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.open = void 0;\nvar url_sanitizer_1 = require(\"../../builders/url_sanitizer\");\n/**\n * open calls {@link Window.open} on the given {@link Window}, given a\n * target {@link Url}.\n */\nfunction open(win, url, target, features) {\n var sanitizedUrl = (0, url_sanitizer_1.unwrapUrlOrSanitize)(url);\n if (sanitizedUrl !== undefined) {\n return win.open(sanitizedUrl, target, features);\n }\n return null;\n}\nexports.open = open;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nvar __read = (this && this.__read) || function (o, n) {\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\n if (!m) return o;\n var i = m.call(o), r, ar = [], e;\n try {\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\n }\n catch (error) { e = { error: error }; }\n finally {\n try {\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\n }\n finally { if (e) throw e.error; }\n }\n return ar;\n};\nvar __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {\n if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {\n if (ar || !(i in from)) {\n if (!ar) ar = Array.prototype.slice.call(from, 0, i);\n ar[i] = from[i];\n }\n }\n return to.concat(ar || Array.prototype.slice.call(from));\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.importScripts = exports.createShared = exports.create = void 0;\nvar resource_url_impl_1 = require(\"../../internals/resource_url_impl\");\n/**\n * Safely creates a Web Worker.\n *\n * Example usage:\n * const trustedResourceUrl = trustedResourceUrl`/safe_script.js`;\n * safedom.safeWorker.create(trustedResourceUrl);\n * which is a safe alternative to\n * new Worker(url);\n * The latter can result in loading untrusted code.\n */\nfunction create(url, options) {\n return new Worker((0, resource_url_impl_1.unwrapResourceUrl)(url), options);\n}\nexports.create = create;\n/** Safely creates a shared Web Worker. */\nfunction createShared(url, options) {\n return new SharedWorker((0, resource_url_impl_1.unwrapResourceUrl)(url), options);\n}\nexports.createShared = createShared;\n/** Safely calls importScripts */\nfunction importScripts(scope) {\n var urls = [];\n for (var _i = 1; _i < arguments.length; _i++) {\n urls[_i - 1] = arguments[_i];\n }\n scope.importScripts.apply(scope, __spreadArray([], __read(urls.map(function (url) { return (0, resource_url_impl_1.unwrapResourceUrl)(url); })), false));\n}\nexports.importScripts = importScripts;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nvar __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n var desc = Object.getOwnPropertyDescriptor(m, k);\n if (!desc || (\"get\" in desc ? !m.__esModule : desc.writable || desc.configurable)) {\n desc = { enumerable: true, get: function() { return m[k]; } };\n }\n Object.defineProperty(o, k2, desc);\n}) : (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n o[k2] = m[k];\n}));\nvar __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\n}) : function(o, v) {\n o[\"default\"] = v;\n});\nvar __importStar = (this && this.__importStar) || function (mod) {\n if (mod && mod.__esModule) return mod;\n var result = {};\n if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\n __setModuleDefault(result, mod);\n return result;\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.safeWorker = exports.safeWindow = exports.safeServiceWorkerContainer = exports.safeRange = exports.safeLocation = exports.safeGlobal = exports.safeDomParser = exports.safeDocument = exports.safeStyleEl = exports.safeScriptEl = exports.safeObjectEl = exports.safeLinkEl = exports.safeInputEl = exports.safeIframeEl = exports.safeFormEl = exports.safeEmbedEl = exports.safeElement = exports.safeButtonEl = exports.safeAreaEl = exports.safeAnchorEl = void 0;\n/**\n * @fileoverview This file re-exports all of the wrappers to ensure that we have\n * a clearly defined interface.\n */\nexports.safeAnchorEl = __importStar(require(\"./elements/anchor\"));\nexports.safeAreaEl = __importStar(require(\"./elements/area\"));\nexports.safeButtonEl = __importStar(require(\"./elements/button\"));\nexports.safeElement = __importStar(require(\"./elements/element\"));\nexports.safeEmbedEl = __importStar(require(\"./elements/embed\"));\nexports.safeFormEl = __importStar(require(\"./elements/form\"));\nexports.safeIframeEl = __importStar(require(\"./elements/iframe\"));\nexports.safeInputEl = __importStar(require(\"./elements/input\"));\nexports.safeLinkEl = __importStar(require(\"./elements/link\"));\nexports.safeObjectEl = __importStar(require(\"./elements/object\"));\nexports.safeScriptEl = __importStar(require(\"./elements/script\"));\nexports.safeStyleEl = __importStar(require(\"./elements/style\"));\nexports.safeDocument = __importStar(require(\"./globals/document\"));\nexports.safeDomParser = __importStar(require(\"./globals/dom_parser\"));\nexports.safeGlobal = __importStar(require(\"./globals/global\"));\nexports.safeLocation = __importStar(require(\"./globals/location\"));\nexports.safeRange = __importStar(require(\"./globals/range\"));\nexports.safeServiceWorkerContainer = __importStar(require(\"./globals/service_worker_container\"));\nexports.safeWindow = __importStar(require(\"./globals/window\"));\nexports.safeWorker = __importStar(require(\"./globals/worker\"));\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\n/**\n * Ensure process.env.NODE_ENV is set even when not running under Webpack or\n * Node. Terser will strip this out of production binaries.\n */\n/*#__PURE__*/ (function () {\n if (typeof process === 'undefined') {\n window.process = { env: { NODE_ENV: 'development' } };\n }\n})();\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.unwrapStyleSheet = exports.SafeStyleSheet = exports.isStyleSheet = exports.unwrapStyle = exports.SafeStyle = exports.isStyle = exports.unwrapScript = exports.SafeScript = exports.isScript = exports.EMPTY_SCRIPT = exports.unwrapResourceUrl = exports.TrustedResourceUrl = exports.isResourceUrl = exports.unwrapHtml = exports.SafeHtml = exports.isHtml = exports.EMPTY_HTML = exports.unwrapAttributePrefix = exports.SafeAttributePrefix = exports.safeStyleSheet = exports.concatStyleSheets = exports.safeStyle = exports.concatStyles = exports.scriptFromJson = exports.safeScriptWithArgs = exports.safeScript = exports.concatScripts = exports.trustedResourceUrl = exports.replaceFragment = exports.blobUrlFromScript = exports.appendParams = exports.HtmlSanitizerBuilder = exports.sanitizeHtmlToFragment = exports.sanitizeHtmlAssertUnchanged = exports.sanitizeHtml = exports.htmlEscape = exports.createScriptSrc = exports.createScript = exports.concatHtmls = exports.safeAttrPrefix = void 0;\n/** Safe builders */\nvar attribute_builders_1 = require(\"./builders/attribute_builders\");\nObject.defineProperty(exports, \"safeAttrPrefix\", { enumerable: true, get: function () { return attribute_builders_1.safeAttrPrefix; } });\nvar html_builders_1 = require(\"./builders/html_builders\");\nObject.defineProperty(exports, \"concatHtmls\", { enumerable: true, get: function () { return html_builders_1.concatHtmls; } });\nObject.defineProperty(exports, \"createScript\", { enumerable: true, get: function () { return html_builders_1.createScript; } });\nObject.defineProperty(exports, \"createScriptSrc\", { enumerable: true, get: function () { return html_builders_1.createScriptSrc; } });\nObject.defineProperty(exports, \"htmlEscape\", { enumerable: true, get: function () { return html_builders_1.htmlEscape; } });\nvar html_sanitizer_1 = require(\"./builders/html_sanitizer/html_sanitizer\");\nObject.defineProperty(exports, \"sanitizeHtml\", { enumerable: true, get: function () { return html_sanitizer_1.sanitizeHtml; } });\nObject.defineProperty(exports, \"sanitizeHtmlAssertUnchanged\", { enumerable: true, get: function () { return html_sanitizer_1.sanitizeHtmlAssertUnchanged; } });\nObject.defineProperty(exports, \"sanitizeHtmlToFragment\", { enumerable: true, get: function () { return html_sanitizer_1.sanitizeHtmlToFragment; } });\nvar html_sanitizer_builder_1 = require(\"./builders/html_sanitizer/html_sanitizer_builder\");\nObject.defineProperty(exports, \"HtmlSanitizerBuilder\", { enumerable: true, get: function () { return html_sanitizer_builder_1.HtmlSanitizerBuilder; } });\nvar resource_url_builders_1 = require(\"./builders/resource_url_builders\");\nObject.defineProperty(exports, \"appendParams\", { enumerable: true, get: function () { return resource_url_builders_1.appendParams; } });\nObject.defineProperty(exports, \"blobUrlFromScript\", { enumerable: true, get: function () { return resource_url_builders_1.blobUrlFromScript; } });\nObject.defineProperty(exports, \"replaceFragment\", { enumerable: true, get: function () { return resource_url_builders_1.replaceFragment; } });\nObject.defineProperty(exports, \"trustedResourceUrl\", { enumerable: true, get: function () { return resource_url_builders_1.trustedResourceUrl; } });\nvar script_builders_1 = require(\"./builders/script_builders\");\nObject.defineProperty(exports, \"concatScripts\", { enumerable: true, get: function () { return script_builders_1.concatScripts; } });\nObject.defineProperty(exports, \"safeScript\", { enumerable: true, get: function () { return script_builders_1.safeScript; } });\nObject.defineProperty(exports, \"safeScriptWithArgs\", { enumerable: true, get: function () { return script_builders_1.safeScriptWithArgs; } });\nObject.defineProperty(exports, \"scriptFromJson\", { enumerable: true, get: function () { return script_builders_1.scriptFromJson; } });\nvar style_builders_1 = require(\"./builders/style_builders\");\nObject.defineProperty(exports, \"concatStyles\", { enumerable: true, get: function () { return style_builders_1.concatStyles; } });\nObject.defineProperty(exports, \"safeStyle\", { enumerable: true, get: function () { return style_builders_1.safeStyle; } });\nvar style_sheet_builders_1 = require(\"./builders/style_sheet_builders\");\nObject.defineProperty(exports, \"concatStyleSheets\", { enumerable: true, get: function () { return style_sheet_builders_1.concatStyleSheets; } });\nObject.defineProperty(exports, \"safeStyleSheet\", { enumerable: true, get: function () { return style_sheet_builders_1.safeStyleSheet; } });\n/** Types, constants and unwrappers */\nvar attribute_impl_1 = require(\"./internals/attribute_impl\");\nObject.defineProperty(exports, \"SafeAttributePrefix\", { enumerable: true, get: function () { return attribute_impl_1.SafeAttributePrefix; } });\nObject.defineProperty(exports, \"unwrapAttributePrefix\", { enumerable: true, get: function () { return attribute_impl_1.unwrapAttributePrefix; } });\nvar html_impl_1 = require(\"./internals/html_impl\");\nObject.defineProperty(exports, \"EMPTY_HTML\", { enumerable: true, get: function () { return html_impl_1.EMPTY_HTML; } });\nObject.defineProperty(exports, \"isHtml\", { enumerable: true, get: function () { return html_impl_1.isHtml; } });\nObject.defineProperty(exports, \"SafeHtml\", { enumerable: true, get: function () { return html_impl_1.SafeHtml; } });\nObject.defineProperty(exports, \"unwrapHtml\", { enumerable: true, get: function () { return html_impl_1.unwrapHtml; } });\nvar resource_url_impl_1 = require(\"./internals/resource_url_impl\");\nObject.defineProperty(exports, \"isResourceUrl\", { enumerable: true, get: function () { return resource_url_impl_1.isResourceUrl; } });\nObject.defineProperty(exports, \"TrustedResourceUrl\", { enumerable: true, get: function () { return resource_url_impl_1.TrustedResourceUrl; } });\nObject.defineProperty(exports, \"unwrapResourceUrl\", { enumerable: true, get: function () { return resource_url_impl_1.unwrapResourceUrl; } });\nvar script_impl_1 = require(\"./internals/script_impl\");\nObject.defineProperty(exports, \"EMPTY_SCRIPT\", { enumerable: true, get: function () { return script_impl_1.EMPTY_SCRIPT; } });\nObject.defineProperty(exports, \"isScript\", { enumerable: true, get: function () { return script_impl_1.isScript; } });\nObject.defineProperty(exports, \"SafeScript\", { enumerable: true, get: function () { return script_impl_1.SafeScript; } });\nObject.defineProperty(exports, \"unwrapScript\", { enumerable: true, get: function () { return script_impl_1.unwrapScript; } });\nvar style_impl_1 = require(\"./internals/style_impl\");\nObject.defineProperty(exports, \"isStyle\", { enumerable: true, get: function () { return style_impl_1.isStyle; } });\nObject.defineProperty(exports, \"SafeStyle\", { enumerable: true, get: function () { return style_impl_1.SafeStyle; } });\nObject.defineProperty(exports, \"unwrapStyle\", { enumerable: true, get: function () { return style_impl_1.unwrapStyle; } });\nvar style_sheet_impl_1 = require(\"./internals/style_sheet_impl\");\nObject.defineProperty(exports, \"isStyleSheet\", { enumerable: true, get: function () { return style_sheet_impl_1.isStyleSheet; } });\nObject.defineProperty(exports, \"SafeStyleSheet\", { enumerable: true, get: function () { return style_sheet_impl_1.SafeStyleSheet; } });\nObject.defineProperty(exports, \"unwrapStyleSheet\", { enumerable: true, get: function () { return style_sheet_impl_1.unwrapStyleSheet; } });\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nvar __extends = (this && this.__extends) || (function () {\n var extendStatics = function (d, b) {\n extendStatics = Object.setPrototypeOf ||\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\n return extendStatics(d, b);\n };\n return function (d, b) {\n if (typeof b !== \"function\" && b !== null)\n throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\n extendStatics(d, b);\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n };\n})();\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.unwrapAttributePrefix = exports.createAttributePrefix = exports.SafeAttributePrefix = void 0;\nrequire(\"../environment/dev\");\nvar secrets_1 = require(\"./secrets\");\n/** A prefix with which an attribute is safe to set using plain strings. */\nvar SafeAttributePrefix = /** @class */ (function () {\n function SafeAttributePrefix() {\n }\n return SafeAttributePrefix;\n}());\nexports.SafeAttributePrefix = SafeAttributePrefix;\n/** Implementation for `SafeAttributePrefix` */\nvar AttributePrefixImpl = /** @class */ (function (_super) {\n __extends(AttributePrefixImpl, _super);\n function AttributePrefixImpl(attrPrefix, token) {\n var _this = _super.call(this) || this;\n if (process.env.NODE_ENV !== 'production') {\n (0, secrets_1.ensureTokenIsValid)(token);\n }\n _this.privateDoNotAccessOrElseWrappedAttrPrefix = attrPrefix;\n return _this;\n }\n AttributePrefixImpl.prototype.toString = function () {\n return this.privateDoNotAccessOrElseWrappedAttrPrefix;\n };\n return AttributePrefixImpl;\n}(SafeAttributePrefix));\n/**\n * Builds a new `SafeAttribute` from the given string, without enforcing\n * safety guarantees. This shouldn't be exposed to application developers, and\n * must only be used as a step towards safe builders or safe constants.\n */\nfunction createAttributePrefix(attrPrefix) {\n return new AttributePrefixImpl(attrPrefix, secrets_1.secretToken);\n}\nexports.createAttributePrefix = createAttributePrefix;\n/**\n * Returns the string value of the passed `SafeAttributePrefix` object while\n * ensuring it has the correct type.\n */\nfunction unwrapAttributePrefix(value) {\n if (value instanceof AttributePrefixImpl) {\n return value.privateDoNotAccessOrElseWrappedAttrPrefix;\n }\n else {\n var message = '';\n if (process.env.NODE_ENV !== 'production') {\n message = 'Unexpected type when unwrapping SafeAttributePrefix';\n }\n throw new Error(message);\n }\n}\nexports.unwrapAttributePrefix = unwrapAttributePrefix;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.unwrapHtml = exports.isHtml = exports.EMPTY_HTML = exports.createHtml = exports.SafeHtml = void 0;\nrequire(\"../environment/dev\");\n/* g3_import_pure from './pure' */\nvar secrets_1 = require(\"./secrets\");\nvar trusted_types_1 = require(\"./trusted_types\");\n/**\n * Runtime implementation of `TrustedHTML` in browsers that don't support it.\n */\nvar HtmlImpl = /** @class */ (function () {\n function HtmlImpl(html, token) {\n if (process.env.NODE_ENV !== 'production') {\n (0, secrets_1.ensureTokenIsValid)(token);\n }\n this.privateDoNotAccessOrElseWrappedHtml = html;\n }\n HtmlImpl.prototype.toString = function () {\n return this.privateDoNotAccessOrElseWrappedHtml.toString();\n };\n return HtmlImpl;\n}());\nfunction createHtmlInternal(html, trusted) {\n return (trusted !== null && trusted !== void 0 ? trusted : new HtmlImpl(html, secrets_1.secretToken));\n}\nvar GlobalTrustedHTML = (typeof window !== undefined) ? window.TrustedHTML : undefined;\n/**\n * Also exports the constructor so that instanceof checks work.\n */\nexports.SafeHtml = (GlobalTrustedHTML !== null && GlobalTrustedHTML !== void 0 ? GlobalTrustedHTML : HtmlImpl);\n/**\n * Builds a new `SafeHtml` from the given string, without enforcing safety\n * guarantees. It may cause side effects by creating a Trusted Types policy.\n * This shouldn't be exposed to application developers, and must only be used as\n * a step towards safe builders or safe constants.\n */\nfunction createHtml(html) {\n var _a;\n /** @noinline */\n var noinlineHtml = html;\n return createHtmlInternal(noinlineHtml, (_a = (0, trusted_types_1.getTrustedTypesPolicy)()) === null || _a === void 0 ? void 0 : _a.createHTML(noinlineHtml));\n}\nexports.createHtml = createHtml;\n/**\n * An empty `SafeHtml` constant.\n * Unlike the function above, using this will not create a policy.\n */\nexports.EMPTY_HTML = \n/* #__PURE__ */ (function () { var _a; return createHtmlInternal('', (_a = (0, trusted_types_1.getTrustedTypes)()) === null || _a === void 0 ? void 0 : _a.emptyHTML); })();\n/**\n * Checks if the given value is a `SafeHtml` instance.\n */\nfunction isHtml(value) {\n return value instanceof exports.SafeHtml;\n}\nexports.isHtml = isHtml;\n/**\n * Returns the value of the passed `SafeHtml` object while ensuring it\n * has the correct type.\n *\n * Returns a native `TrustedHTML` or a string if Trusted Types are disabled.\n */\nfunction unwrapHtml(value) {\n var _a;\n if ((_a = (0, trusted_types_1.getTrustedTypes)()) === null || _a === void 0 ? void 0 : _a.isHTML(value)) {\n return value;\n }\n else if (value instanceof HtmlImpl) {\n return value.privateDoNotAccessOrElseWrappedHtml;\n }\n else {\n var message = '';\n if (process.env.NODE_ENV !== 'production') {\n message = 'Unexpected type when unwrapping SafeHtml';\n }\n throw new Error(message);\n }\n}\nexports.unwrapHtml = unwrapHtml;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.unwrapResourceUrl = exports.isResourceUrl = exports.createResourceUrl = exports.TrustedResourceUrl = void 0;\nrequire(\"../environment/dev\");\nvar secrets_1 = require(\"./secrets\");\nvar trusted_types_1 = require(\"./trusted_types\");\n/**\n * Runtime implementation of `TrustedScriptURL` in browsers that don't support\n * it.\n */\nvar ResourceUrlImpl = /** @class */ (function () {\n function ResourceUrlImpl(url, token) {\n if (process.env.NODE_ENV !== 'production') {\n (0, secrets_1.ensureTokenIsValid)(token);\n }\n this.privateDoNotAccessOrElseWrappedResourceUrl = url;\n }\n ResourceUrlImpl.prototype.toString = function () {\n return this.privateDoNotAccessOrElseWrappedResourceUrl.toString();\n };\n return ResourceUrlImpl;\n}());\nvar GlobalTrustedScriptURL = (typeof window !== undefined) ? window.TrustedScriptURL : undefined;\n/**\n * Also exports the constructor so that instanceof checks work.\n */\nexports.TrustedResourceUrl = (GlobalTrustedScriptURL !== null && GlobalTrustedScriptURL !== void 0 ? GlobalTrustedScriptURL : ResourceUrlImpl);\n/**\n * Builds a new `TrustedResourceUrl` from the given string, without\n * enforcing safety guarantees. It may cause side effects by creating a Trusted\n * Types policy. This shouldn't be exposed to application developers, and must\n * only be used as a step towards safe builders or safe constants.\n */\nfunction createResourceUrl(url) {\n var _a;\n /** @noinline */\n var noinlineUrl = url;\n var trustedScriptURL = (_a = (0, trusted_types_1.getTrustedTypesPolicy)()) === null || _a === void 0 ? void 0 : _a.createScriptURL(noinlineUrl);\n return (trustedScriptURL !== null && trustedScriptURL !== void 0 ? trustedScriptURL : new ResourceUrlImpl(noinlineUrl, secrets_1.secretToken));\n}\nexports.createResourceUrl = createResourceUrl;\n/**\n * Checks if the given value is a `TrustedResourceUrl` instance.\n */\nfunction isResourceUrl(value) {\n return value instanceof exports.TrustedResourceUrl;\n}\nexports.isResourceUrl = isResourceUrl;\n/**\n * Returns the value of the passed `TrustedResourceUrl` object while ensuring it\n * has the correct type.\n *\n * Returns a native `TrustedScriptURL` or a string if Trusted Types are\n * disabled.\n */\nfunction unwrapResourceUrl(value) {\n var _a;\n if ((_a = (0, trusted_types_1.getTrustedTypes)()) === null || _a === void 0 ? void 0 : _a.isScriptURL(value)) {\n return value;\n }\n else if (value instanceof ResourceUrlImpl) {\n return value.privateDoNotAccessOrElseWrappedResourceUrl;\n }\n else {\n var message = '';\n if (process.env.NODE_ENV !== 'production') {\n message = 'Unexpected type when unwrapping TrustedResourceUrl';\n }\n throw new Error(message);\n }\n}\nexports.unwrapResourceUrl = unwrapResourceUrl;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.unwrapScript = exports.isScript = exports.EMPTY_SCRIPT = exports.createScript = exports.SafeScript = void 0;\nrequire(\"../environment/dev\");\n/* g3_import_pure from './pure' */\nvar secrets_1 = require(\"./secrets\");\nvar trusted_types_1 = require(\"./trusted_types\");\n/**\n * Runtime implementation of `TrustedScript` in browswers that don't support it.\n * script element.\n */\nvar ScriptImpl = /** @class */ (function () {\n function ScriptImpl(script, token) {\n if (process.env.NODE_ENV !== 'production') {\n (0, secrets_1.ensureTokenIsValid)(token);\n }\n this.privateDoNotAccessOrElseWrappedScript = script;\n }\n ScriptImpl.prototype.toString = function () {\n return this.privateDoNotAccessOrElseWrappedScript.toString();\n };\n return ScriptImpl;\n}());\nfunction createScriptInternal(script, trusted) {\n return (trusted !== null && trusted !== void 0 ? trusted : new ScriptImpl(script, secrets_1.secretToken));\n}\nvar GlobalTrustedScript = (typeof window !== undefined) ? window.TrustedScript : undefined;\n/**\n * Also exports the constructor so that instanceof checks work.\n */\nexports.SafeScript = (GlobalTrustedScript !== null && GlobalTrustedScript !== void 0 ? GlobalTrustedScript : ScriptImpl);\n/**\n * Builds a new `SafeScript` from the given string, without enforcing\n * safety guarantees. It may cause side effects by creating a Trusted Types\n * policy. This shouldn't be exposed to application developers, and must only be\n * used as a step towards safe builders or safe constants.\n */\nfunction createScript(script) {\n var _a;\n /** @noinline */\n var noinlineScript = script;\n return createScriptInternal(noinlineScript, (_a = (0, trusted_types_1.getTrustedTypesPolicy)()) === null || _a === void 0 ? void 0 : _a.createScript(noinlineScript));\n}\nexports.createScript = createScript;\n/**\n * An empty `SafeScript` constant.\n * Unlike the functions above, using this will not create a policy.\n */\nexports.EMPTY_SCRIPT = \n/* #__PURE__ */ (function () { var _a; return createScriptInternal('', (_a = (0, trusted_types_1.getTrustedTypes)()) === null || _a === void 0 ? void 0 : _a.emptyScript); })();\n/**\n * Checks if the given value is a `SafeScript` instance.\n */\nfunction isScript(value) {\n return value instanceof exports.SafeScript;\n}\nexports.isScript = isScript;\n/**\n * Returns the value of the passed `SafeScript` object while ensuring it\n * has the correct type.\n *\n * Returns a native `TrustedScript` or a string if Trusted Types are disabled.\n */\nfunction unwrapScript(value) {\n var _a;\n if ((_a = (0, trusted_types_1.getTrustedTypes)()) === null || _a === void 0 ? void 0 : _a.isScript(value)) {\n return value;\n }\n else if (value instanceof ScriptImpl) {\n return value.privateDoNotAccessOrElseWrappedScript;\n }\n else {\n var message = '';\n if (process.env.NODE_ENV !== 'production') {\n message = 'Unexpected type when unwrapping SafeScript';\n }\n throw new Error(message);\n }\n}\nexports.unwrapScript = unwrapScript;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.ensureTokenIsValid = exports.secretToken = void 0;\n/**\n * A secret token that must be passed to safe type constructors. It is only\n * accessible from within safevalues, ensuring that unrestricted safe type\n * creation is only possible within safevalues. In particular, this prevents\n * forgery such as `safeHtmlValue.constructor('javascript:evil')`.\n */\nexports.secretToken = {};\n/**\n * Asserts that the given token matches the secret safevalues token. An\n * exception is thrown if that is not the case.\n */\nfunction ensureTokenIsValid(token) {\n if (token !== exports.secretToken) {\n throw new Error('Bad secret');\n }\n}\nexports.ensureTokenIsValid = ensureTokenIsValid;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.assertIsTemplateObject = void 0;\n/**\n * An object of type TemplateStringsArray represents the literal part(s) of a\n * template literal. This function checks if a TemplateStringsArray object is\n * actually from a template literal.\n *\n * @param templateObj This contains the literal part of the template literal.\n * @param hasExprs If true, the input template may contain embedded expressions.\n * @param errorMsg The custom error message in case any checks fail.\n */\nfunction assertIsTemplateObject(templateObj, hasExprs, errorMsg) {\n if (!Array.isArray(templateObj) || !Array.isArray(templateObj.raw) ||\n (!hasExprs && templateObj.length !== 1)) {\n throw new TypeError(errorMsg);\n }\n}\nexports.assertIsTemplateObject = assertIsTemplateObject;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nvar __extends = (this && this.__extends) || (function () {\n var extendStatics = function (d, b) {\n extendStatics = Object.setPrototypeOf ||\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\n return extendStatics(d, b);\n };\n return function (d, b) {\n if (typeof b !== \"function\" && b !== null)\n throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\n extendStatics(d, b);\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n };\n})();\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.unwrapStyle = exports.isStyle = exports.createStyle = exports.SafeStyle = void 0;\nrequire(\"../environment/dev\");\nvar secrets_1 = require(\"./secrets\");\n/**\n * Sequence of CSS declarations safe to use in style contexts in an HTML\n * document or in DOM APIs.\n */\nvar SafeStyle = /** @class */ (function () {\n function SafeStyle() {\n }\n return SafeStyle;\n}());\nexports.SafeStyle = SafeStyle;\n/** Implementation for `SafeStyle` */\nvar StyleImpl = /** @class */ (function (_super) {\n __extends(StyleImpl, _super);\n function StyleImpl(style, token) {\n var _this = _super.call(this) || this;\n if (process.env.NODE_ENV !== 'production') {\n (0, secrets_1.ensureTokenIsValid)(token);\n }\n _this.privateDoNotAccessOrElseWrappedStyle = style;\n return _this;\n }\n StyleImpl.prototype.toString = function () {\n return this.privateDoNotAccessOrElseWrappedStyle;\n };\n return StyleImpl;\n}(SafeStyle));\n/**\n * Builds a new `SafeStyle` from the given string, without enforcing\n * safety guarantees. This shouldn't be exposed to application developers, and\n * must only be used as a step towards safe builders or safe constants.\n */\nfunction createStyle(style) {\n return new StyleImpl(style, secrets_1.secretToken);\n}\nexports.createStyle = createStyle;\n/**\n * Checks if the given value is a `SafeStyle` instance.\n */\nfunction isStyle(value) {\n return value instanceof StyleImpl;\n}\nexports.isStyle = isStyle;\n/**\n * Returns the string value of the passed `SafeStyle` object while ensuring it\n * has the correct type.\n */\nfunction unwrapStyle(value) {\n if (value instanceof StyleImpl) {\n return value.privateDoNotAccessOrElseWrappedStyle;\n }\n else {\n var message = '';\n if (process.env.NODE_ENV !== 'production') {\n message = 'Unexpected type when unwrapping SafeStyle';\n }\n throw new Error(message);\n }\n}\nexports.unwrapStyle = unwrapStyle;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nvar __extends = (this && this.__extends) || (function () {\n var extendStatics = function (d, b) {\n extendStatics = Object.setPrototypeOf ||\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\n return extendStatics(d, b);\n };\n return function (d, b) {\n if (typeof b !== \"function\" && b !== null)\n throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\n extendStatics(d, b);\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n };\n})();\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.unwrapStyleSheet = exports.isStyleSheet = exports.createStyleSheet = exports.SafeStyleSheet = void 0;\nrequire(\"../environment/dev\");\nvar secrets_1 = require(\"./secrets\");\n/**\n * A complete CSS style sheet, safe to use in style contexts in an HTML document\n * or DOM APIs.\n */\nvar SafeStyleSheet = /** @class */ (function () {\n function SafeStyleSheet() {\n }\n return SafeStyleSheet;\n}());\nexports.SafeStyleSheet = SafeStyleSheet;\n/** Implementation for `SafeStyleSheet` */\nvar StyleSheetImpl = /** @class */ (function (_super) {\n __extends(StyleSheetImpl, _super);\n function StyleSheetImpl(styleSheet, token) {\n var _this = _super.call(this) || this;\n if (process.env.NODE_ENV !== 'production') {\n (0, secrets_1.ensureTokenIsValid)(token);\n }\n _this.privateDoNotAccessOrElseWrappedStyleSheet = styleSheet;\n return _this;\n }\n StyleSheetImpl.prototype.toString = function () {\n return this.privateDoNotAccessOrElseWrappedStyleSheet;\n };\n return StyleSheetImpl;\n}(SafeStyleSheet));\n/**\n * Builds a new `SafeStyleSheet` from the given string, without enforcing\n * safety guarantees. This shouldn't be exposed to application developers, and\n * must only be used as a step towards safe builders or safe constants.\n */\nfunction createStyleSheet(styleSheet) {\n return new StyleSheetImpl(styleSheet, secrets_1.secretToken);\n}\nexports.createStyleSheet = createStyleSheet;\n/**\n * Checks if the given value is a `SafeStyleSheet` instance.\n */\nfunction isStyleSheet(value) {\n return value instanceof StyleSheetImpl;\n}\nexports.isStyleSheet = isStyleSheet;\n/**\n * Returns the string value of the passed `SafeStyleSheet` object while\n * ensuring it has the correct type.\n */\nfunction unwrapStyleSheet(value) {\n if (value instanceof StyleSheetImpl) {\n return value.privateDoNotAccessOrElseWrappedStyleSheet;\n }\n else {\n var message = '';\n if (process.env.NODE_ENV !== 'production') {\n message = 'Unexpected type when unwrapping SafeStyleSheet';\n }\n throw new Error(message);\n }\n}\nexports.unwrapStyleSheet = unwrapStyleSheet;\n","\"use strict\";\n/**\n * @license\n * SPDX-License-Identifier: Apache-2.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.TEST_ONLY = exports.getTrustedTypesPolicy = exports.getTrustedTypes = void 0;\n/**\n * The name of the Trusted Types policy used by TS safevalues, or empty\n * to disable Trusted Types. This duplicates the 'google#safe', but\n * can be overridden in tests.\n */\nvar trustedTypesPolicyName = 'google#safe';\n/** Helper to retrieve the value of `window.trustedTypes`. */\nfunction trustedTypes() {\n if (typeof window !== 'undefined') {\n return window.trustedTypes;\n }\n return undefined;\n}\n/**\n * Returns window.trustedTypes if Trusted Types are enabled and supported, or\n * null otherwise.\n */\nfunction getTrustedTypes() {\n var _a;\n return (trustedTypesPolicyName !== '') ? ((_a = trustedTypes()) !== null && _a !== void 0 ? _a : null) : null;\n}\nexports.getTrustedTypes = getTrustedTypes;\n/**\n * The Trusted Types policy used by TS safevalues, or null if Trusted Types\n * are not enabled/supported, or undefined if the policy has not been created\n * yet.\n */\nvar trustedTypesPolicy;\n/**\n * Returns the Trusted Types policy used by TS safevalues, or null if Trusted\n * Types are not enabled/supported. The first call to this function will\n * create the policy.\n */\nfunction getTrustedTypesPolicy() {\n var _a, _b;\n if (trustedTypesPolicy === undefined) {\n try {\n trustedTypesPolicy =\n (_b = (_a = getTrustedTypes()) === null || _a === void 0 ? void 0 : _a.createPolicy(trustedTypesPolicyName, {\n createHTML: function (s) { return s; },\n createScript: function (s) { return s; },\n createScriptURL: function (s) { return s; }\n })) !== null && _b !== void 0 ? _b : null;\n }\n catch (_c) {\n // In Chromium versions before 81, trustedTypes.createPolicy throws if\n // called with a name that is already registered, even if no CSP is set.\n // Until users have largely migrated to 81 or above, catch the error not\n // to break the applications functionally. In such case, the code will\n // fall back to using regular Safe Types.\n trustedTypesPolicy = null;\n }\n }\n return trustedTypesPolicy;\n}\nexports.getTrustedTypesPolicy = getTrustedTypesPolicy;\n/** Helpers for tests. */\nexports.TEST_ONLY = {\n resetDefaults: function () {\n trustedTypesPolicy = undefined;\n trustedTypesPolicyName = 'google#safe';\n },\n setTrustedTypesPolicyName: function (name) {\n trustedTypesPolicyName = name;\n },\n};\n","/**\n * @license\n * Copyright 2016 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\nimport {safeAttrPrefix} from 'safevalues';\nimport {safeElement} from 'safevalues/dom';\n\nimport {MDCFoundation} from './foundation';\nimport {CustomEventListener, EventType, SpecificEventListener} from './types';\n\nfunction toCamelCase(str: string) {\n // tslint:disable-next-line:enforce-name-casing\n return String(str).replace(/\\-([a-z])/g, (_, match) => match.toUpperCase());\n}\n\n/** MDC Component base */\nexport class MDCComponent<FoundationType extends MDCFoundation> {\n static attachTo(root: HTMLElement): MDCComponent<MDCFoundation<{}>> {\n // Subclasses which extend MDCBase should provide an attachTo() method that\n // takes a root element and returns an instantiated component with its root\n // set to that element. Also note that in the cases of subclasses, an\n // explicit foundation class will not have to be passed in; it will simply\n // be initialized from getDefaultFoundation().\n return new MDCComponent(root, new MDCFoundation({}));\n }\n\n protected foundation: FoundationType;\n\n constructor(\n public root: HTMLElement, foundation?: FoundationType,\n ...args: unknown[]) {\n this.initialize(...args);\n // Note that we initialize foundation here and not within the constructor's\n // default param so that this.root is defined and can be used within the\n // foundation class.\n this.foundation =\n foundation === undefined ? this.getDefaultFoundation() : foundation;\n this.foundation.init();\n this.initialSyncWithDOM();\n }\n\n /* istanbul ignore next: method param only exists for typing purposes; it does\n * not need to be unit tested */\n // tslint:disable-next-line:enforce-name-casing\n initialize(..._args: unknown[]) {\n // Subclasses can override this to do any additional setup work that would\n // be considered part of a \"constructor\". Essentially, it is a hook into the\n // parent constructor before the foundation is initialized. Any additional\n // arguments besides root and foundation will be passed in here.\n }\n\n getDefaultFoundation(): FoundationType {\n // Subclasses must override this method to return a properly configured\n // foundation class for the component.\n throw new Error(\n 'Subclasses must override getDefaultFoundation to return a properly configured ' +\n 'foundation class');\n }\n\n initialSyncWithDOM() {\n // Subclasses should override this method if they need to perform work to\n // synchronize with a host DOM object. An example of this would be a form\n // control wrapper that needs to synchronize its internal state to some\n // property or attribute of the host DOM. Please note: this is *not* the\n // place to perform DOM reads/writes that would cause layout / paint, as\n // this is called synchronously from within the constructor.\n }\n\n destroy() {\n // Subclasses may implement this method to release any resources /\n // deregister any listeners they have attached. An example of this might be\n // deregistering a resize event from the window object.\n this.foundation.destroy();\n }\n\n /**\n * Wrapper method to add an event listener to the component's root element.\n * This is most useful when listening for custom events.\n */\n listen<K extends EventType>(\n evtType: K, handler: SpecificEventListener<K>,\n options?: AddEventListenerOptions|boolean): void;\n listen<E extends Event>(\n evtType: string, handler: CustomEventListener<E>,\n options?: AddEventListenerOptions|boolean): void;\n listen(\n evtType: string, handler: EventListener,\n options?: AddEventListenerOptions|boolean) {\n this.root.addEventListener(evtType, handler, options);\n }\n\n /**\n * Wrapper method to remove an event listener to the component's root element.\n * This is most useful when unlistening for custom events.\n */\n unlisten<K extends EventType>(\n evtType: K, handler: SpecificEventListener<K>,\n options?: AddEventListenerOptions|boolean): void;\n unlisten<E extends Event>(\n evtType: string, handler: CustomEventListener<E>,\n options?: AddEventListenerOptions|boolean): void;\n unlisten(\n evtType: string, handler: EventListener,\n options?: AddEventListenerOptions|boolean) {\n this.root.removeEventListener(evtType, handler, options);\n }\n\n /**\n * Fires a cross-browser-compatible custom event from the component root of\n * the given type, with the given data.\n */\n emit<T extends object>(evtType: string, evtData: T, shouldBubble = false) {\n let evt: CustomEvent<T>;\n if (typeof CustomEvent === 'function') {\n evt = new CustomEvent<T>(evtType, {\n bubbles: shouldBubble,\n detail: evtData,\n });\n } else {\n evt = document.createEvent('CustomEvent');\n evt.initCustomEvent(evtType, shouldBubble, false, evtData);\n }\n\n this.root.dispatchEvent(evt);\n }\n\n /**\n * This is a intermediate fix to allow components to use safevalues. This\n * limits setAttribute to setting tabindex, data attributes, and aria\n * attributes.\n *\n * TODO(b/263990206): remove this method and add these directly in each\n * component. This will remove this abstraction and make it clear that the\n * caller can't set any attribute.\n */\n protected safeSetAttribute(\n element: HTMLElement,\n attribute: string,\n value: string,\n ) {\n if (attribute.toLowerCase() === 'tabindex') {\n element.tabIndex = Number(value);\n } else if (attribute.indexOf('data-') === 0) {\n const dataKey = toCamelCase(attribute.replace(/^data-/, ''));\n element.dataset[dataKey] = value;\n } else {\n safeElement.setPrefixedAttribute(\n [safeAttrPrefix`aria-`, safeAttrPrefix`role`],\n element,\n attribute,\n value,\n );\n }\n }\n}\n\n// tslint:disable-next-line:no-default-export Needed for backward compatibility with MDC Web v0.44.0 and earlier.\nexport default MDCComponent;\n","/**\n * @license\n * Copyright 2016 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\n/** MDC Foundation */\nexport class MDCFoundation<AdapterType extends {} = {}> {\n static get cssClasses(): {[key: string]: string} {\n // Classes extending MDCFoundation should implement this method to return an\n // object which exports every CSS class the foundation class needs as a\n // property. e.g. {ACTIVE: 'mdc-component--active'}\n return {};\n }\n\n static get strings(): {[key: string]: string} {\n // Classes extending MDCFoundation should implement this method to return an\n // object which exports all semantic strings as constants. e.g. {ARIA_ROLE:\n // 'tablist'}\n return {};\n }\n\n static get numbers(): {[key: string]: number} {\n // Classes extending MDCFoundation should implement this method to return an\n // object which exports all of its semantic numbers as constants.\n // e.g. {ANIMATION_DELAY_MS: 350}\n return {};\n }\n\n static get defaultAdapter(): {} {\n // Classes extending MDCFoundation may choose to implement this getter in\n // order to provide a convenient way of viewing the necessary methods of an\n // adapter. In the future, this could also be used for adapter validation.\n return {};\n }\n\n constructor(protected adapter: AdapterType = {} as AdapterType) {}\n\n init() {\n // Subclasses should override this method to perform initialization routines\n // (registering events, etc.)\n }\n\n destroy() {\n // Subclasses should override this method to perform de-initialization\n // routines (de-registering events, etc.)\n }\n}\n\n/**\n * The constructor for MDCFoundation.\n */\nexport interface MDCFoundationConstructor<AdapterType extends object = any> {\n new(adapter: AdapterType): MDCFoundation<AdapterType>;\n readonly prototype: MDCFoundation<AdapterType>;\n}\n\n/**\n * The deprecated constructor for MDCFoundation.\n */\nexport interface MDCFoundationDeprecatedConstructor<\n AdapterType extends object = any> {\n readonly cssClasses: Record<string, string>;\n readonly strings: Record<string, string>;\n readonly numbers: Record<string, number>;\n readonly defaultAdapter: AdapterType;\n\n new(adapter?: Partial<AdapterType>): MDCFoundation<AdapterType>;\n readonly prototype: MDCFoundation<AdapterType>;\n}\n\n/**\n * Retrieves the AdapaterType from the provided MDCFoundation generic type.\n */\nexport type MDCFoundationAdapter<T> =\n T extends MDCFoundation<infer A>? A : never;\n\n// tslint:disable-next-line:no-default-export Needed for backward compatibility with MDC Web v0.44.0 and earlier.\nexport default MDCFoundation;\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\n/**\n * Determine whether the current browser supports passive event listeners, and\n * if so, use them.\n */\nexport function applyPassive(globalObj: Window = window): boolean|\n EventListenerOptions {\n return supportsPassiveOption(globalObj) ?\n {passive: true} as AddEventListenerOptions :\n false;\n}\n\nfunction supportsPassiveOption(globalObj: Window = window): boolean {\n // See\n // https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener\n let passiveSupported = false;\n\n try {\n const options = {\n // This function will be called when the browser\n // attempts to access the passive property.\n get passive() {\n passiveSupported = true;\n return false;\n }\n };\n\n const handler = () => {};\n globalObj.document.addEventListener('test', handler, options);\n globalObj.document.removeEventListener(\n 'test', handler, options as EventListenerOptions);\n } catch (err) {\n passiveSupported = false;\n }\n\n return passiveSupported;\n}\n","/**\n * @license\n * Copyright 2018 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\n/**\n * @fileoverview A \"ponyfill\" is a polyfill that doesn't modify the global\n * prototype chain. This makes ponyfills safer than traditional polyfills,\n * especially for libraries like MDC.\n */\n\nexport function closest(element: Element, selector: string): Element|null {\n if (element.closest) {\n return element.closest(selector);\n }\n\n let el: Element|null = element;\n while (el) {\n if (matches(el, selector)) {\n return el;\n }\n el = el.parentElement;\n }\n return null;\n}\n\n/** Element.matches with support for webkit and IE. */\nexport function matches(element: Element, selector: string): boolean {\n const nativeMatches = element.matches || element.webkitMatchesSelector ||\n (element as any).msMatchesSelector;\n return nativeMatches.call(element, selector);\n}\n\n/**\n * Used to compute the estimated scroll width of elements. When an element is\n * hidden due to display: none; being applied to a parent element, the width is\n * returned as 0. However, the element will have a true width once no longer\n * inside a display: none context. This method computes an estimated width when\n * the element is hidden or returns the true width when the element is visble.\n * @param {Element} element the element whose width to estimate\n */\nexport function estimateScrollWidth(element: Element): number {\n // Check the offsetParent. If the element inherits display: none from any\n // parent, the offsetParent property will be null (see\n // https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/offsetParent).\n // This check ensures we only clone the node when necessary.\n const htmlEl = element as HTMLElement;\n if (htmlEl.offsetParent !== null) {\n return htmlEl.scrollWidth;\n }\n\n const clone = htmlEl.cloneNode(true) as HTMLElement;\n clone.style.setProperty('position', 'absolute');\n clone.style.setProperty('transform', 'translate(-9999px, -9999px)');\n document.documentElement.appendChild(clone);\n const scrollWidth = clone.scrollWidth;\n document.documentElement.removeChild(clone);\n return scrollWidth;\n}\n","/**\n * @license\n * Copyright 2016 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\nimport {MDCComponent} from '@material/base/component';\nimport {applyPassive} from '@material/dom/events';\nimport {matches} from '@material/dom/ponyfill';\n\nimport {MDCRippleAdapter} from './adapter';\nimport {MDCRippleFoundation} from './foundation';\nimport {MDCRippleAttachOpts, MDCRippleCapableSurface} from './types';\nimport * as util from './util';\n\n/** MDC Ripple Factory */\nexport type MDCRippleFactory =\n (el: HTMLElement, foundation?: MDCRippleFoundation) => MDCRipple;\n\n/** MDC Ripple */\nexport class MDCRipple extends MDCComponent<MDCRippleFoundation> implements\n MDCRippleCapableSurface {\n static override attachTo(root: HTMLElement, opts: MDCRippleAttachOpts = {\n isUnbounded: undefined\n }): MDCRipple {\n const ripple = new MDCRipple(root);\n // Only override unbounded behavior if option is explicitly specified\n if (opts.isUnbounded !== undefined) {\n ripple.unbounded = opts.isUnbounded;\n }\n return ripple;\n }\n\n static createAdapter(instance: MDCRippleCapableSurface): MDCRippleAdapter {\n return {\n addClass: (className) => {\n instance.root.classList.add(className);\n },\n browserSupportsCssVars: () => util.supportsCssVariables(window),\n computeBoundingRect: () => instance.root.getBoundingClientRect(),\n containsEventTarget: (target) => instance.root.contains(target as Node),\n deregisterDocumentInteractionHandler: (evtType, handler) => {\n document.documentElement.removeEventListener(\n evtType, handler, applyPassive());\n },\n deregisterInteractionHandler: (evtType, handler) => {\n instance.root.removeEventListener(evtType, handler, applyPassive());\n },\n deregisterResizeHandler: (handler) => {\n window.removeEventListener('resize', handler);\n },\n getWindowPageOffset: () =>\n ({x: window.pageXOffset, y: window.pageYOffset}),\n isSurfaceActive: () => matches(instance.root, ':active'),\n isSurfaceDisabled: () => Boolean(instance.disabled),\n isUnbounded: () => Boolean(instance.unbounded),\n registerDocumentInteractionHandler: (evtType, handler) => {\n document.documentElement.addEventListener(\n evtType, handler, applyPassive());\n },\n registerInteractionHandler: (evtType, handler) => {\n instance.root.addEventListener(evtType, handler, applyPassive());\n },\n registerResizeHandler: (handler) => {\n window.addEventListener('resize', handler);\n },\n removeClass: (className) => {\n instance.root.classList.remove(className);\n },\n updateCssVariable: (varName, value) => {\n instance.root.style.setProperty(varName, value);\n },\n };\n }\n\n disabled = false;\n\n private isUnbounded?: boolean;\n\n get unbounded(): boolean {\n return Boolean(this.isUnbounded);\n }\n\n set unbounded(unbounded: boolean) {\n this.isUnbounded = Boolean(unbounded);\n this.setUnbounded();\n }\n\n activate() {\n this.foundation.activate();\n }\n\n deactivate() {\n this.foundation.deactivate();\n }\n\n layout() {\n this.foundation.layout();\n }\n\n override getDefaultFoundation() {\n return new MDCRippleFoundation(MDCRipple.createAdapter(this));\n }\n\n override initialSyncWithDOM() {\n const root = this.root;\n this.isUnbounded = 'mdcRippleIsUnbounded' in root.dataset;\n }\n\n /**\n * Closure Compiler throws an access control error when directly accessing a\n * protected or private property inside a getter/setter, like unbounded above.\n * By accessing the protected property inside a method, we solve that problem.\n * That's why this function exists.\n */\n private setUnbounded() {\n this.foundation.setUnbounded(Boolean(this.isUnbounded));\n }\n}\n","/**\n * @license\n * Copyright 2016 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\nexport const cssClasses = {\n // Ripple is a special case where the \"root\" component is really a \"mixin\" of\n // sorts,\n // given that it's an 'upgrade' to an existing component. That being said it\n // is the root\n // CSS class that all other CSS classes derive from.\n BG_FOCUSED: 'mdc-ripple-upgraded--background-focused',\n FG_ACTIVATION: 'mdc-ripple-upgraded--foreground-activation',\n FG_DEACTIVATION: 'mdc-ripple-upgraded--foreground-deactivation',\n ROOT: 'mdc-ripple-upgraded',\n UNBOUNDED: 'mdc-ripple-upgraded--unbounded',\n};\n\nexport const strings = {\n VAR_FG_SCALE: '--mdc-ripple-fg-scale',\n VAR_FG_SIZE: '--mdc-ripple-fg-size',\n VAR_FG_TRANSLATE_END: '--mdc-ripple-fg-translate-end',\n VAR_FG_TRANSLATE_START: '--mdc-ripple-fg-translate-start',\n VAR_LEFT: '--mdc-ripple-left',\n VAR_TOP: '--mdc-ripple-top',\n};\n\nexport const numbers = {\n DEACTIVATION_TIMEOUT_MS:\n 225, // Corresponds to $mdc-ripple-translate-duration (i.e. activation\n // animation duration)\n FG_DEACTIVATION_MS: 150, // Corresponds to $mdc-ripple-fade-out-duration\n // (i.e. deactivation animation duration)\n INITIAL_ORIGIN_SCALE: 0.6,\n PADDING: 10,\n TAP_DELAY_MS:\n 300, // Delay between touch and simulated mouse events on touch devices\n};\n","/**\n * @license\n * Copyright 2016 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\nimport {MDCFoundation} from '@material/base/foundation';\n\nimport {MDCRippleAdapter} from './adapter';\nimport {cssClasses, numbers, strings} from './constants';\nimport {MDCRipplePoint} from './types';\nimport {getNormalizedEventCoords} from './util';\n\ninterface ActivationStateType {\n isActivated?: boolean;\n hasDeactivationUXRun?: boolean;\n wasActivatedByPointer?: boolean;\n wasElementMadeActive?: boolean;\n activationEvent?: Event;\n isProgrammatic?: boolean;\n}\n\ninterface FgTranslationCoordinates {\n startPoint: MDCRipplePoint;\n endPoint: MDCRipplePoint;\n}\n\ninterface Coordinates {\n left: number;\n top: number;\n}\n\ninterface EventHandlerNonNull {\n (event: Event): any;\n}\n\ntype ActivationEventType = 'touchstart'|'pointerdown'|'mousedown'|'keydown';\ntype DeactivationEventType = 'touchend'|'pointerup'|'mouseup'|'contextmenu';\n\n// Activation events registered on the root element of each instance for\n// activation\nconst ACTIVATION_EVENT_TYPES: ActivationEventType[] = [\n 'touchstart',\n 'pointerdown',\n 'mousedown',\n 'keydown',\n];\n\n// Deactivation events registered on documentElement when a pointer-related down\n// event occurs\nconst POINTER_DEACTIVATION_EVENT_TYPES: DeactivationEventType[] = [\n 'touchend',\n 'pointerup',\n 'mouseup',\n 'contextmenu',\n];\n\n// simultaneous nested activations\nlet activatedTargets: Array<EventTarget|null> = [];\n\n/** MDC Ripple Foundation */\nexport class MDCRippleFoundation extends MDCFoundation<MDCRippleAdapter> {\n static override get cssClasses() {\n return cssClasses;\n }\n\n static override get strings() {\n return strings;\n }\n\n static override get numbers() {\n return numbers;\n }\n\n static override get defaultAdapter(): MDCRippleAdapter {\n return {\n addClass: () => undefined,\n browserSupportsCssVars: () => true,\n computeBoundingRect: () =>\n ({top: 0, right: 0, bottom: 0, left: 0, width: 0, height: 0} as any),\n containsEventTarget: () => true,\n deregisterDocumentInteractionHandler: () => undefined,\n deregisterInteractionHandler: () => undefined,\n deregisterResizeHandler: () => undefined,\n getWindowPageOffset: () => ({x: 0, y: 0}),\n isSurfaceActive: () => true,\n isSurfaceDisabled: () => true,\n isUnbounded: () => true,\n registerDocumentInteractionHandler: () => undefined,\n registerInteractionHandler: () => undefined,\n registerResizeHandler: () => undefined,\n removeClass: () => undefined,\n updateCssVariable: () => undefined,\n };\n }\n\n private activationAnimationHasEnded = false;\n private activationState: ActivationStateType;\n private activationTimer = 0;\n private fgDeactivationRemovalTimer = 0;\n private fgScale = '0';\n private frame = {width: 0, height: 0};\n private initialSize = 0;\n private layoutFrame = 0;\n private maxRadius = 0;\n private unboundedCoords: Coordinates = {left: 0, top: 0};\n\n private readonly activationTimerCallback: () => void;\n private readonly activateHandler: EventHandlerNonNull;\n private readonly deactivateHandler: EventHandlerNonNull;\n private readonly focusHandler: EventHandlerNonNull;\n private readonly blurHandler: EventHandlerNonNull;\n private readonly resizeHandler: EventHandlerNonNull;\n\n private previousActivationEvent?: Event;\n\n constructor(adapter?: Partial<MDCRippleAdapter>) {\n super({...MDCRippleFoundation.defaultAdapter, ...adapter});\n\n this.activationState = this.defaultActivationState();\n\n this.activationTimerCallback = () => {\n this.activationAnimationHasEnded = true;\n this.runDeactivationUXLogicIfReady();\n };\n this.activateHandler = (e) => {\n this.activateImpl(e);\n };\n this.deactivateHandler = () => {\n this.deactivateImpl();\n };\n this.focusHandler = () => {\n this.handleFocus();\n };\n this.blurHandler = () => {\n this.handleBlur();\n };\n this.resizeHandler = () => {\n this.layout();\n };\n }\n\n override init() {\n const supportsPressRipple = this.supportsPressRipple();\n\n this.registerRootHandlers(supportsPressRipple);\n\n if (supportsPressRipple) {\n const {ROOT, UNBOUNDED} = MDCRippleFoundation.cssClasses;\n requestAnimationFrame(() => {\n this.adapter.addClass(ROOT);\n if (this.adapter.isUnbounded()) {\n this.adapter.addClass(UNBOUNDED);\n // Unbounded ripples need layout logic applied immediately to set\n // coordinates for both shade and ripple\n this.layoutInternal();\n }\n });\n }\n }\n\n override destroy() {\n if (this.supportsPressRipple()) {\n if (this.activationTimer) {\n clearTimeout(this.activationTimer);\n this.activationTimer = 0;\n this.adapter.removeClass(MDCRippleFoundation.cssClasses.FG_ACTIVATION);\n }\n\n if (this.fgDeactivationRemovalTimer) {\n clearTimeout(this.fgDeactivationRemovalTimer);\n this.fgDeactivationRemovalTimer = 0;\n this.adapter.removeClass(\n MDCRippleFoundation.cssClasses.FG_DEACTIVATION);\n }\n\n const {ROOT, UNBOUNDED} = MDCRippleFoundation.cssClasses;\n requestAnimationFrame(() => {\n this.adapter.removeClass(ROOT);\n this.adapter.removeClass(UNBOUNDED);\n this.removeCssVars();\n });\n }\n\n this.deregisterRootHandlers();\n this.deregisterDeactivationHandlers();\n }\n\n /**\n * @param evt Optional event containing position information.\n */\n activate(evt?: Event): void {\n this.activateImpl(evt);\n }\n\n deactivate(): void {\n this.deactivateImpl();\n }\n\n layout(): void {\n if (this.layoutFrame) {\n cancelAnimationFrame(this.layoutFrame);\n }\n this.layoutFrame = requestAnimationFrame(() => {\n this.layoutInternal();\n this.layoutFrame = 0;\n });\n }\n\n setUnbounded(unbounded: boolean): void {\n const {UNBOUNDED} = MDCRippleFoundation.cssClasses;\n if (unbounded) {\n this.adapter.addClass(UNBOUNDED);\n } else {\n this.adapter.removeClass(UNBOUNDED);\n }\n }\n\n handleFocus(): void {\n requestAnimationFrame(() => {\n this.adapter.addClass(MDCRippleFoundation.cssClasses.BG_FOCUSED);\n });\n }\n\n handleBlur(): void {\n requestAnimationFrame(() => {\n this.adapter.removeClass(MDCRippleFoundation.cssClasses.BG_FOCUSED);\n });\n }\n\n /**\n * We compute this property so that we are not querying information about the\n * client until the point in time where the foundation requests it. This\n * prevents scenarios where client-side feature-detection may happen too\n * early, such as when components are rendered on the server and then\n * initialized at mount time on the client.\n */\n private supportsPressRipple(): boolean {\n return this.adapter.browserSupportsCssVars();\n }\n\n private defaultActivationState(): ActivationStateType {\n return {\n activationEvent: undefined,\n hasDeactivationUXRun: false,\n isActivated: false,\n isProgrammatic: false,\n wasActivatedByPointer: false,\n wasElementMadeActive: false,\n };\n }\n\n /**\n * supportsPressRipple Passed from init to save a redundant function call\n */\n private registerRootHandlers(supportsPressRipple: boolean) {\n if (supportsPressRipple) {\n for (const evtType of ACTIVATION_EVENT_TYPES) {\n this.adapter.registerInteractionHandler(evtType, this.activateHandler);\n }\n if (this.adapter.isUnbounded()) {\n this.adapter.registerResizeHandler(this.resizeHandler);\n }\n }\n\n this.adapter.registerInteractionHandler('focus', this.focusHandler);\n this.adapter.registerInteractionHandler('blur', this.blurHandler);\n }\n\n private registerDeactivationHandlers(evt: Event) {\n if (evt.type === 'keydown') {\n this.adapter.registerInteractionHandler('keyup', this.deactivateHandler);\n } else {\n for (const evtType of POINTER_DEACTIVATION_EVENT_TYPES) {\n this.adapter.registerDocumentInteractionHandler(\n evtType, this.deactivateHandler);\n }\n }\n }\n\n private deregisterRootHandlers() {\n for (const evtType of ACTIVATION_EVENT_TYPES) {\n this.adapter.deregisterInteractionHandler(evtType, this.activateHandler);\n }\n this.adapter.deregisterInteractionHandler('focus', this.focusHandler);\n this.adapter.deregisterInteractionHandler('blur', this.blurHandler);\n\n if (this.adapter.isUnbounded()) {\n this.adapter.deregisterResizeHandler(this.resizeHandler);\n }\n }\n\n private deregisterDeactivationHandlers() {\n this.adapter.deregisterInteractionHandler('keyup', this.deactivateHandler);\n for (const evtType of POINTER_DEACTIVATION_EVENT_TYPES) {\n this.adapter.deregisterDocumentInteractionHandler(\n evtType, this.deactivateHandler);\n }\n }\n\n private removeCssVars() {\n const rippleStrings = MDCRippleFoundation.strings;\n const keys =\n Object.keys(rippleStrings) as Array<keyof typeof rippleStrings>;\n keys.forEach((key) => {\n if (key.indexOf('VAR_') === 0) {\n this.adapter.updateCssVariable(rippleStrings[key], null);\n }\n });\n }\n\n private activateImpl(evt?: Event) {\n if (this.adapter.isSurfaceDisabled()) {\n return;\n }\n\n const activationState = this.activationState;\n if (activationState.isActivated) {\n return;\n }\n\n // Avoid reacting to follow-on events fired by touch device after an\n // already-processed user interaction\n const previousActivationEvent = this.previousActivationEvent;\n const isSameInteraction = previousActivationEvent && evt !== undefined &&\n previousActivationEvent.type !== evt.type;\n if (isSameInteraction) {\n return;\n }\n\n activationState.isActivated = true;\n activationState.isProgrammatic = evt === undefined;\n activationState.activationEvent = evt;\n activationState.wasActivatedByPointer = activationState.isProgrammatic ?\n false :\n evt !== undefined &&\n (evt.type === 'mousedown' || evt.type === 'touchstart' ||\n evt.type === 'pointerdown');\n\n const hasActivatedChild = evt !== undefined &&\n activatedTargets.length > 0 &&\n activatedTargets.some(\n (target) => this.adapter.containsEventTarget(target));\n if (hasActivatedChild) {\n // Immediately reset activation state, while preserving logic that\n // prevents touch follow-on events\n this.resetActivationState();\n return;\n }\n\n if (evt !== undefined) {\n activatedTargets.push(evt.target);\n this.registerDeactivationHandlers(evt);\n }\n\n activationState.wasElementMadeActive = this.checkElementMadeActive(evt);\n if (activationState.wasElementMadeActive) {\n this.animateActivation();\n }\n\n requestAnimationFrame(() => {\n // Reset array on next frame after the current event has had a chance to\n // bubble to prevent ancestor ripples\n activatedTargets = [];\n\n if (!activationState.wasElementMadeActive && evt !== undefined &&\n ((evt as KeyboardEvent).key === ' ' ||\n (evt as KeyboardEvent).keyCode === 32)) {\n // If space was pressed, try again within an rAF call to detect :active,\n // because different UAs report active states inconsistently when\n // they're called within event handling code:\n // - https://bugs.chromium.org/p/chromium/issues/detail?id=635971\n // - https://bugzilla.mozilla.org/show_bug.cgi?id=1293741\n // We try first outside rAF to support Edge, which does not exhibit this\n // problem, but will crash if a CSS variable is set within a rAF\n // callback for a submit button interaction (#2241).\n activationState.wasElementMadeActive = this.checkElementMadeActive(evt);\n if (activationState.wasElementMadeActive) {\n this.animateActivation();\n }\n }\n\n if (!activationState.wasElementMadeActive) {\n // Reset activation state immediately if element was not made active.\n this.activationState = this.defaultActivationState();\n }\n });\n }\n\n private checkElementMadeActive(evt?: Event) {\n return (evt !== undefined && evt.type === 'keydown') ?\n this.adapter.isSurfaceActive() :\n true;\n }\n\n private animateActivation() {\n const {VAR_FG_TRANSLATE_START, VAR_FG_TRANSLATE_END} =\n MDCRippleFoundation.strings;\n const {FG_DEACTIVATION, FG_ACTIVATION} = MDCRippleFoundation.cssClasses;\n const {DEACTIVATION_TIMEOUT_MS} = MDCRippleFoundation.numbers;\n\n this.layoutInternal();\n\n let translateStart = '';\n let translateEnd = '';\n\n if (!this.adapter.isUnbounded()) {\n const {startPoint, endPoint} = this.getFgTranslationCoordinates();\n translateStart = `${startPoint.x}px, ${startPoint.y}px`;\n translateEnd = `${endPoint.x}px, ${endPoint.y}px`;\n }\n\n this.adapter.updateCssVariable(VAR_FG_TRANSLATE_START, translateStart);\n this.adapter.updateCssVariable(VAR_FG_TRANSLATE_END, translateEnd);\n // Cancel any ongoing activation/deactivation animations\n clearTimeout(this.activationTimer);\n clearTimeout(this.fgDeactivationRemovalTimer);\n this.rmBoundedActivationClasses();\n this.adapter.removeClass(FG_DEACTIVATION);\n\n // Force layout in order to re-trigger the animation.\n this.adapter.computeBoundingRect();\n this.adapter.addClass(FG_ACTIVATION);\n this.activationTimer = setTimeout(() => {\n this.activationTimerCallback();\n }, DEACTIVATION_TIMEOUT_MS);\n }\n\n private getFgTranslationCoordinates(): FgTranslationCoordinates {\n const {activationEvent, wasActivatedByPointer} = this.activationState;\n\n let startPoint;\n if (wasActivatedByPointer) {\n startPoint = getNormalizedEventCoords(\n activationEvent,\n this.adapter.getWindowPageOffset(),\n this.adapter.computeBoundingRect(),\n );\n } else {\n startPoint = {\n x: this.frame.width / 2,\n y: this.frame.height / 2,\n };\n }\n // Center the element around the start point.\n startPoint = {\n x: startPoint.x - (this.initialSize / 2),\n y: startPoint.y - (this.initialSize / 2),\n };\n\n const endPoint = {\n x: (this.frame.width / 2) - (this.initialSize / 2),\n y: (this.frame.height / 2) - (this.initialSize / 2),\n };\n\n return {startPoint, endPoint};\n }\n\n private runDeactivationUXLogicIfReady() {\n // This method is called both when a pointing device is released, and when\n // the activation animation ends. The deactivation animation should only run\n // after both of those occur.\n const {FG_DEACTIVATION} = MDCRippleFoundation.cssClasses;\n const {hasDeactivationUXRun, isActivated} = this.activationState;\n const activationHasEnded = hasDeactivationUXRun || !isActivated;\n\n if (activationHasEnded && this.activationAnimationHasEnded) {\n this.rmBoundedActivationClasses();\n this.adapter.addClass(FG_DEACTIVATION);\n this.fgDeactivationRemovalTimer = setTimeout(() => {\n this.adapter.removeClass(FG_DEACTIVATION);\n }, numbers.FG_DEACTIVATION_MS);\n }\n }\n\n private rmBoundedActivationClasses() {\n const {FG_ACTIVATION} = MDCRippleFoundation.cssClasses;\n this.adapter.removeClass(FG_ACTIVATION);\n this.activationAnimationHasEnded = false;\n this.adapter.computeBoundingRect();\n }\n\n private resetActivationState() {\n this.previousActivationEvent = this.activationState.activationEvent;\n this.activationState = this.defaultActivationState();\n // Touch devices may fire additional events for the same interaction within\n // a short time. Store the previous event until it's safe to assume that\n // subsequent events are for new interactions.\n setTimeout(\n () => this.previousActivationEvent = undefined,\n MDCRippleFoundation.numbers.TAP_DELAY_MS);\n }\n\n private deactivateImpl(): void {\n const activationState = this.activationState;\n // This can happen in scenarios such as when you have a keyup event that\n // blurs the element.\n if (!activationState.isActivated) {\n return;\n }\n\n const state: ActivationStateType = {...activationState};\n\n if (activationState.isProgrammatic) {\n requestAnimationFrame(() => {\n this.animateDeactivation(state);\n });\n this.resetActivationState();\n } else {\n this.deregisterDeactivationHandlers();\n requestAnimationFrame(() => {\n this.activationState.hasDeactivationUXRun = true;\n this.animateDeactivation(state);\n this.resetActivationState();\n });\n }\n }\n\n private animateDeactivation({wasActivatedByPointer, wasElementMadeActive}:\n ActivationStateType) {\n if (wasActivatedByPointer || wasElementMadeActive) {\n this.runDeactivationUXLogicIfReady();\n }\n }\n\n private layoutInternal() {\n this.frame = this.adapter.computeBoundingRect();\n const maxDim = Math.max(this.frame.height, this.frame.width);\n\n // Surface diameter is treated differently for unbounded vs. bounded\n // ripples. Unbounded ripple diameter is calculated smaller since the\n // surface is expected to already be padded appropriately to extend the\n // hitbox, and the ripple is expected to meet the edges of the padded hitbox\n // (which is typically square). Bounded ripples, on the other hand, are\n // fully expected to expand beyond the surface's longest diameter\n // (calculated based on the diagonal plus a constant padding), and are\n // clipped at the surface's border via `overflow: hidden`.\n const getBoundedRadius = () => {\n const hypotenuse = Math.sqrt(\n Math.pow(this.frame.width, 2) + Math.pow(this.frame.height, 2));\n return hypotenuse + MDCRippleFoundation.numbers.PADDING;\n };\n\n this.maxRadius = this.adapter.isUnbounded() ? maxDim : getBoundedRadius();\n\n // Ripple is sized as a fraction of the largest dimension of the surface,\n // then scales up using a CSS scale transform\n const initialSize =\n Math.floor(maxDim * MDCRippleFoundation.numbers.INITIAL_ORIGIN_SCALE);\n // Unbounded ripple size should always be even number to equally center\n // align.\n if (this.adapter.isUnbounded() && initialSize % 2 !== 0) {\n this.initialSize = initialSize - 1;\n } else {\n this.initialSize = initialSize;\n }\n this.fgScale = `${this.maxRadius / this.initialSize}`;\n\n this.updateLayoutCssVars();\n }\n\n private updateLayoutCssVars() {\n const {\n VAR_FG_SIZE,\n VAR_LEFT,\n VAR_TOP,\n VAR_FG_SCALE,\n } = MDCRippleFoundation.strings;\n\n this.adapter.updateCssVariable(VAR_FG_SIZE, `${this.initialSize}px`);\n this.adapter.updateCssVariable(VAR_FG_SCALE, this.fgScale);\n\n if (this.adapter.isUnbounded()) {\n this.unboundedCoords = {\n left: Math.round((this.frame.width / 2) - (this.initialSize / 2)),\n top: Math.round((this.frame.height / 2) - (this.initialSize / 2)),\n };\n\n this.adapter.updateCssVariable(\n VAR_LEFT, `${this.unboundedCoords.left}px`);\n this.adapter.updateCssVariable(VAR_TOP, `${this.unboundedCoords.top}px`);\n }\n }\n}\n\n// tslint:disable-next-line:no-default-export Needed for backward compatibility with MDC Web v0.44.0 and earlier.\nexport default MDCRippleFoundation;\n","/**\n * @license\n * Copyright 2016 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\nimport {MDCRipplePoint} from './types';\n\n/**\n * Stores result from supportsCssVariables to avoid redundant processing to\n * detect CSS custom variable support.\n */\nlet supportsCssVariables_: boolean|undefined;\n\nexport function supportsCssVariables(\n windowObj: typeof globalThis, forceRefresh = false): boolean {\n const {CSS} = windowObj;\n let supportsCssVars = supportsCssVariables_;\n if (typeof supportsCssVariables_ === 'boolean' && !forceRefresh) {\n return supportsCssVariables_;\n }\n\n const supportsFunctionPresent = CSS && typeof CSS.supports === 'function';\n if (!supportsFunctionPresent) {\n return false;\n }\n\n const explicitlySupportsCssVars = CSS.supports('--css-vars', 'yes');\n // See: https://bugs.webkit.org/show_bug.cgi?id=154669\n // See: README section on Safari\n const weAreFeatureDetectingSafari10plus =\n (CSS.supports('(--css-vars: yes)') && CSS.supports('color', '#00000000'));\n\n supportsCssVars =\n explicitlySupportsCssVars || weAreFeatureDetectingSafari10plus;\n\n if (!forceRefresh) {\n supportsCssVariables_ = supportsCssVars;\n }\n return supportsCssVars;\n}\n\nexport function getNormalizedEventCoords(\n evt: Event|undefined, pageOffset: MDCRipplePoint,\n clientRect: DOMRect): MDCRipplePoint {\n if (!evt) {\n return {x: 0, y: 0};\n }\n const {x, y} = pageOffset;\n const documentX = x + clientRect.left;\n const documentY = y + clientRect.top;\n\n let normalizedX;\n let normalizedY;\n // Determine touch point relative to the ripple container.\n if (evt.type === 'touchstart') {\n const touchEvent = evt as TouchEvent;\n normalizedX = touchEvent.changedTouches[0].pageX - documentX;\n normalizedY = touchEvent.changedTouches[0].pageY - documentY;\n } else {\n const mouseEvent = evt as MouseEvent;\n normalizedX = mouseEvent.pageX - documentX;\n normalizedY = mouseEvent.pageY - documentY;\n }\n\n return {x: normalizedX, y: normalizedY};\n}\n","/**\n * @license\n * Copyright 2018 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\nimport {MDCTabDimensions} from '@material/tab/types';\n\n/**\n * Defines the shape of the adapter expected by the foundation.\n * Implement this adapter for your framework of choice to delegate updates to\n * the component in your framework of choice. See architecture documentation\n * for more details.\n * https://github.com/material-components/material-components-web/blob/master/docs/code/architecture.md\n */\nexport interface MDCTabBarAdapter {\n /**\n * Scrolls to the given position\n * @param scrollX The position to scroll to\n */\n scrollTo(scrollX: number): void;\n\n /**\n * Increments the current scroll position by the given amount\n * @param scrollXIncrement The amount to increment scroll\n */\n incrementScroll(scrollXIncrement: number): void;\n\n /**\n * Returns the current scroll position\n */\n getScrollPosition(): number;\n\n /**\n * Returns the width of the scroll content\n */\n getScrollContentWidth(): number;\n\n /**\n * Returns the root element's offsetWidth\n */\n getOffsetWidth(): number;\n\n /**\n * Returns if the Tab Bar language direction is RTL\n */\n isRTL(): boolean;\n\n /**\n * Sets the tab at the given index to be activated\n * @param index The index of the tab to activate\n */\n setActiveTab(index: number): void;\n\n /**\n * Activates the tab at the given index with the given client rect\n * @param index The index of the tab to activate\n * @param clientRect The client rect of the previously active Tab Indicator\n */\n activateTabAtIndex(index: number, clientRect?: DOMRect): void;\n\n /**\n * Deactivates the tab at the given index\n * @param index The index of the tab to deactivate\n */\n deactivateTabAtIndex(index: number): void;\n\n /**\n * Focuses the tab at the given index\n * @param index The index of the tab to focus\n */\n focusTabAtIndex(index: number): void;\n\n /**\n * Returns the client rect of the tab's indicator\n * @param index The index of the tab\n */\n getTabIndicatorClientRectAtIndex(index: number): DOMRect;\n\n /**\n * Returns the tab dimensions of the tab at the given index\n * @param index The index of the tab\n */\n getTabDimensionsAtIndex(index: number): MDCTabDimensions;\n\n /**\n * Returns the length of the tab list\n */\n getTabListLength(): number;\n\n /**\n * Returns the index of the previously active tab\n */\n getPreviousActiveTabIndex(): number;\n\n /**\n * Returns the index of the focused tab\n */\n getFocusedTabIndex(): number;\n\n /**\n * Returns the index of the given tab\n * @param id The ID of the tab whose index to determine\n */\n getIndexOfTabById(id: string): number;\n\n /**\n * Emits the MDCTabBar:activated event\n * @param index The index of the activated tab\n */\n notifyTabActivated(index: number): void;\n}\n","/**\n * @license\n * Copyright 2018 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\nimport {MDCComponent} from '@material/base/component';\nimport {CustomEventListener, SpecificEventListener} from '@material/base/types';\nimport {MDCTabScroller, MDCTabScrollerFactory} from '@material/tab-scroller/component';\nimport {MDCTab, MDCTabFactory} from '@material/tab/component';\nimport {MDCTabFoundation} from '@material/tab/foundation';\nimport {MDCTabInteractionEvent} from '@material/tab/types';\n\nimport {MDCTabBarAdapter} from './adapter';\nimport {MDCTabBarFoundation} from './foundation';\nimport {MDCTabBarActivatedEventDetail} from './types';\n\nconst {strings} = MDCTabBarFoundation;\n\nlet tabIdCounter = 0;\n\n/** MDC Tab Bar */\nexport class MDCTabBar extends MDCComponent<MDCTabBarFoundation> {\n static override attachTo(root: HTMLElement): MDCTabBar {\n return new MDCTabBar(root);\n }\n\n private tabList!: MDCTab[]; // assigned in initialize()\n private tabScroller!: MDCTabScroller|null; // assigned in initialize()\n private handleTabInteraction!:\n CustomEventListener<MDCTabInteractionEvent>; // assigned in\n // initialSyncWithDOM()\n private handleKeyDown!:\n SpecificEventListener<'keydown'>; // assigned in initialSyncWithDOM()\n\n set focusOnActivate(focusOnActivate: boolean) {\n for (const tab of this.tabList) {\n tab.focusOnActivate = focusOnActivate;\n }\n }\n\n set useAutomaticActivation(useAutomaticActivation: boolean) {\n this.foundation.setUseAutomaticActivation(useAutomaticActivation);\n }\n\n override initialize(\n tabFactory: MDCTabFactory = (el) => new MDCTab(el),\n tabScrollerFactory:\n MDCTabScrollerFactory = (el) => new MDCTabScroller(el),\n ) {\n this.tabList = this.instantiateTabs(tabFactory);\n this.tabScroller = this.instantiatetabScroller(tabScrollerFactory);\n }\n\n override initialSyncWithDOM() {\n this.handleTabInteraction = (evt) => {\n this.foundation.handleTabInteraction(evt);\n };\n this.handleKeyDown = (evt) => {\n this.foundation.handleKeyDown(evt);\n };\n\n this.listen(\n MDCTabFoundation.strings.INTERACTED_EVENT, this.handleTabInteraction);\n this.listen('keydown', this.handleKeyDown);\n\n for (let i = 0; i < this.tabList.length; i++) {\n if (this.tabList[i].active) {\n this.scrollIntoView(i);\n break;\n }\n }\n }\n\n override destroy() {\n super.destroy();\n this.unlisten(\n MDCTabFoundation.strings.INTERACTED_EVENT, this.handleTabInteraction);\n this.unlisten('keydown', this.handleKeyDown);\n for (const tab of this.tabList) {\n tab.destroy();\n }\n\n if (this.tabScroller) {\n this.tabScroller.destroy();\n }\n }\n\n override getDefaultFoundation() {\n // DO NOT INLINE this variable. For backward compatibility, foundations take\n // a Partial<MDCFooAdapter>. To ensure we don't accidentally omit any\n // methods, we need a separate, strongly typed adapter variable.\n // tslint:disable:object-literal-sort-keys Methods should be in the same order as the adapter interface.\n const adapter: MDCTabBarAdapter = {\n scrollTo: (scrollX) => {\n this.tabScroller!.scrollTo(scrollX);\n },\n incrementScroll: (scrollXIncrement) => {\n this.tabScroller!.incrementScroll(scrollXIncrement);\n },\n getScrollPosition: () => this.tabScroller!.getScrollPosition(),\n getScrollContentWidth: () => this.tabScroller!.getScrollContentWidth(),\n getOffsetWidth: () => this.root.offsetWidth,\n isRTL: () => window.getComputedStyle(this.root).getPropertyValue(\n 'direction') === 'rtl',\n setActiveTab: (index) => {\n this.foundation.activateTab(index);\n },\n activateTabAtIndex: (index, clientRect) => {\n this.tabList[index].activate(clientRect);\n },\n deactivateTabAtIndex: (index) => {\n this.tabList[index].deactivate();\n },\n focusTabAtIndex: (index) => {\n this.tabList[index].focus();\n },\n getTabIndicatorClientRectAtIndex: (index) =>\n this.tabList[index].computeIndicatorClientRect(),\n getTabDimensionsAtIndex: (index) =>\n this.tabList[index].computeDimensions(),\n getPreviousActiveTabIndex: () => {\n for (let i = 0; i < this.tabList.length; i++) {\n if (this.tabList[i].active) {\n return i;\n }\n }\n return -1;\n },\n getFocusedTabIndex: () => {\n const tabElements = this.getTabElements();\n const activeElement = document.activeElement!;\n return tabElements.indexOf(activeElement as HTMLElement);\n },\n getIndexOfTabById: (id) => {\n for (let i = 0; i < this.tabList.length; i++) {\n if (this.tabList[i].id === id) {\n return i;\n }\n }\n return -1;\n },\n getTabListLength: () => this.tabList.length,\n notifyTabActivated: (index) => {\n this.emit<MDCTabBarActivatedEventDetail>(\n strings.TAB_ACTIVATED_EVENT, {index}, true);\n },\n };\n // tslint:enable:object-literal-sort-keys\n return new MDCTabBarFoundation(adapter);\n }\n\n /**\n * Activates the tab at the given index\n * @param index The index of the tab\n */\n activateTab(index: number) {\n this.foundation.activateTab(index);\n }\n\n /**\n * Scrolls the tab at the given index into view\n * @param index THe index of the tab\n */\n scrollIntoView(index: number) {\n this.foundation.scrollIntoView(index);\n }\n\n /**\n * Returns all the tab elements in a nice clean array\n */\n private getTabElements() {\n return Array.from(\n this.root.querySelectorAll<HTMLElement>(strings.TAB_SELECTOR));\n }\n\n /**\n * Instantiates tab components on all child tab elements\n */\n private instantiateTabs(tabFactory: MDCTabFactory) {\n return this.getTabElements().map((el) => {\n el.id = el.id || `mdc-tab-${++tabIdCounter}`;\n return tabFactory(el);\n });\n }\n\n /**\n * Instantiates tab scroller component on the child tab scroller element\n */\n private instantiatetabScroller(tabScrollerFactory: MDCTabScrollerFactory):\n MDCTabScroller|null {\n const tabScrollerElement =\n this.root.querySelector<HTMLElement>(strings.TAB_SCROLLER_SELECTOR);\n if (tabScrollerElement) {\n return tabScrollerFactory(tabScrollerElement);\n }\n return null;\n }\n}\n","/**\n * @license\n * Copyright 2018 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\nconst strings = {\n ARROW_LEFT_KEY: 'ArrowLeft',\n ARROW_RIGHT_KEY: 'ArrowRight',\n END_KEY: 'End',\n ENTER_KEY: 'Enter',\n HOME_KEY: 'Home',\n SPACE_KEY: 'Space',\n TAB_ACTIVATED_EVENT: 'MDCTabBar:activated',\n TAB_SCROLLER_SELECTOR: '.mdc-tab-scroller',\n TAB_SELECTOR: '.mdc-tab',\n};\n\nconst numbers = {\n ARROW_LEFT_KEYCODE: 37,\n ARROW_RIGHT_KEYCODE: 39,\n END_KEYCODE: 35,\n ENTER_KEYCODE: 13,\n EXTRA_SCROLL_AMOUNT: 20,\n HOME_KEYCODE: 36,\n SPACE_KEYCODE: 32,\n};\n\nexport {numbers, strings};\n","/**\n * @license\n * Copyright 2018 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\nimport {MDCFoundation} from '@material/base/foundation';\nimport {MDCTabDimensions, MDCTabInteractionEvent} from '@material/tab/types';\n\nimport {MDCTabBarAdapter} from './adapter';\nimport {numbers, strings} from './constants';\n\nconst ACCEPTABLE_KEYS = new Set<string>();\n// IE11 has no support for new Set with iterable so we need to initialize this\n// by hand\nACCEPTABLE_KEYS.add(strings.ARROW_LEFT_KEY);\nACCEPTABLE_KEYS.add(strings.ARROW_RIGHT_KEY);\nACCEPTABLE_KEYS.add(strings.END_KEY);\nACCEPTABLE_KEYS.add(strings.HOME_KEY);\nACCEPTABLE_KEYS.add(strings.ENTER_KEY);\nACCEPTABLE_KEYS.add(strings.SPACE_KEY);\n\nconst KEYCODE_MAP = new Map<number, string>();\n// IE11 has no support for new Map with iterable so we need to initialize this\n// by hand\nKEYCODE_MAP.set(numbers.ARROW_LEFT_KEYCODE, strings.ARROW_LEFT_KEY);\nKEYCODE_MAP.set(numbers.ARROW_RIGHT_KEYCODE, strings.ARROW_RIGHT_KEY);\nKEYCODE_MAP.set(numbers.END_KEYCODE, strings.END_KEY);\nKEYCODE_MAP.set(numbers.HOME_KEYCODE, strings.HOME_KEY);\nKEYCODE_MAP.set(numbers.ENTER_KEYCODE, strings.ENTER_KEY);\nKEYCODE_MAP.set(numbers.SPACE_KEYCODE, strings.SPACE_KEY);\n\n/** MDC Tab Bar Foundation */\nexport class MDCTabBarFoundation extends MDCFoundation<MDCTabBarAdapter> {\n static override get strings() {\n return strings;\n }\n\n static override get numbers() {\n return numbers;\n }\n\n static override get defaultAdapter(): MDCTabBarAdapter {\n // tslint:disable:object-literal-sort-keys Methods should be in the same order as the adapter interface.\n return {\n scrollTo: () => undefined,\n incrementScroll: () => undefined,\n getScrollPosition: () => 0,\n getScrollContentWidth: () => 0,\n getOffsetWidth: () => 0,\n isRTL: () => false,\n setActiveTab: () => undefined,\n activateTabAtIndex: () => undefined,\n deactivateTabAtIndex: () => undefined,\n focusTabAtIndex: () => undefined,\n getTabIndicatorClientRectAtIndex: () =>\n ({top: 0, right: 0, bottom: 0, left: 0, width: 0, height: 0} as any),\n getTabDimensionsAtIndex: () =>\n ({rootLeft: 0, rootRight: 0, contentLeft: 0, contentRight: 0}),\n getPreviousActiveTabIndex: () => -1,\n getFocusedTabIndex: () => -1,\n getIndexOfTabById: () => -1,\n getTabListLength: () => 0,\n notifyTabActivated: () => undefined,\n };\n // tslint:enable:object-literal-sort-keys\n }\n\n private useAutomaticActivation = false;\n\n constructor(adapter?: Partial<MDCTabBarAdapter>) {\n super({...MDCTabBarFoundation.defaultAdapter, ...adapter});\n }\n\n /**\n * Switches between automatic and manual activation modes.\n * See https://www.w3.org/TR/wai-aria-practices/#tabpanel for examples.\n */\n setUseAutomaticActivation(useAutomaticActivation: boolean) {\n this.useAutomaticActivation = useAutomaticActivation;\n }\n\n activateTab(index: number) {\n const previousActiveIndex = this.adapter.getPreviousActiveTabIndex();\n if (!this.indexIsInRange(index) || index === previousActiveIndex) {\n return;\n }\n\n let previousClientRect;\n if (previousActiveIndex !== -1) {\n this.adapter.deactivateTabAtIndex(previousActiveIndex);\n previousClientRect =\n this.adapter.getTabIndicatorClientRectAtIndex(previousActiveIndex);\n }\n\n this.adapter.activateTabAtIndex(index, previousClientRect);\n this.scrollIntoView(index);\n\n this.adapter.notifyTabActivated(index);\n }\n\n handleKeyDown(evt: KeyboardEvent) {\n // Get the key from the event\n const key = this.getKeyFromEvent(evt);\n\n // Early exit if the event key isn't one of the keyboard navigation keys\n if (key === undefined) {\n return;\n }\n\n // Prevent default behavior for movement keys, but not for activation keys,\n // since :active is used to apply ripple\n if (!this.isActivationKey(key)) {\n evt.preventDefault();\n }\n\n if (this.useAutomaticActivation && this.isActivationKey(key)) {\n return;\n }\n const focusedTabIndex = this.adapter.getFocusedTabIndex();\n if (this.isActivationKey(key)) {\n this.adapter.setActiveTab(focusedTabIndex);\n return;\n }\n const index = this.determineTargetFromKey(focusedTabIndex, key);\n this.adapter.focusTabAtIndex(index);\n this.scrollIntoView(index);\n if (this.useAutomaticActivation) {\n this.adapter.setActiveTab(index);\n }\n }\n\n /**\n * Handles the MDCTab:interacted event\n */\n handleTabInteraction(evt: MDCTabInteractionEvent) {\n this.adapter.setActiveTab(this.adapter.getIndexOfTabById(evt.detail.tabId));\n }\n\n /**\n * Scrolls the tab at the given index into view\n * @param index The tab index to make visible\n */\n scrollIntoView(index: number) {\n // Early exit if the index is out of range\n if (!this.indexIsInRange(index)) {\n return;\n }\n\n // Always scroll to 0 if scrolling to the 0th index\n if (index === 0) {\n this.adapter.scrollTo(0);\n return;\n }\n\n // Always scroll to the max value if scrolling to the Nth index\n // MDCTabScroller.scrollTo() will never scroll past the max possible value\n if (index === this.adapter.getTabListLength() - 1) {\n this.adapter.scrollTo(this.adapter.getScrollContentWidth());\n return;\n }\n\n if (this.isRTL()) {\n this.scrollIntoViewImplRTL(index);\n return;\n }\n\n this.scrollIntoViewImpl(index);\n }\n\n /**\n * Private method for determining the index of the destination tab based on\n * what key was pressed\n * @param origin The original index from which to determine the destination\n * @param key The name of the key\n */\n private determineTargetFromKey(origin: number, key: string): number {\n const isRTL = this.isRTL();\n const maxIndex = this.adapter.getTabListLength() - 1;\n const shouldGoToEnd = key === strings.END_KEY;\n const shouldDecrement = key === strings.ARROW_LEFT_KEY && !isRTL ||\n key === strings.ARROW_RIGHT_KEY && isRTL;\n const shouldIncrement = key === strings.ARROW_RIGHT_KEY && !isRTL ||\n key === strings.ARROW_LEFT_KEY && isRTL;\n let index = origin;\n\n if (shouldGoToEnd) {\n index = maxIndex;\n } else if (shouldDecrement) {\n index -= 1;\n } else if (shouldIncrement) {\n index += 1;\n } else {\n index = 0;\n }\n\n if (index < 0) {\n index = maxIndex;\n } else if (index > maxIndex) {\n index = 0;\n }\n\n return index;\n }\n\n /**\n * Calculates the scroll increment that will make the tab at the given index\n * visible\n * @param index The index of the tab\n * @param nextIndex The index of the next tab\n * @param scrollPosition The current scroll position\n * @param barWidth The width of the Tab Bar\n */\n private calculateScrollIncrement(\n index: number,\n nextIndex: number,\n scrollPosition: number,\n barWidth: number,\n ): number {\n const nextTabDimensions = this.adapter.getTabDimensionsAtIndex(nextIndex);\n const relativeContentLeft =\n nextTabDimensions.contentLeft - scrollPosition - barWidth;\n const relativeContentRight =\n nextTabDimensions.contentRight - scrollPosition;\n const leftIncrement = relativeContentRight - numbers.EXTRA_SCROLL_AMOUNT;\n const rightIncrement = relativeContentLeft + numbers.EXTRA_SCROLL_AMOUNT;\n\n if (nextIndex < index) {\n return Math.min(leftIncrement, 0);\n }\n\n return Math.max(rightIncrement, 0);\n }\n\n /**\n * Calculates the scroll increment that will make the tab at the given index\n * visible in RTL\n * @param index The index of the tab\n * @param nextIndex The index of the next tab\n * @param scrollPosition The current scroll position\n * @param barWidth The width of the Tab Bar\n * @param scrollContentWidth The width of the scroll content\n */\n private calculateScrollIncrementRTL(\n index: number,\n nextIndex: number,\n scrollPosition: number,\n barWidth: number,\n scrollContentWidth: number,\n ): number {\n const nextTabDimensions = this.adapter.getTabDimensionsAtIndex(nextIndex);\n const relativeContentLeft =\n scrollContentWidth - nextTabDimensions.contentLeft - scrollPosition;\n const relativeContentRight = scrollContentWidth -\n nextTabDimensions.contentRight - scrollPosition - barWidth;\n const leftIncrement = relativeContentRight + numbers.EXTRA_SCROLL_AMOUNT;\n const rightIncrement = relativeContentLeft - numbers.EXTRA_SCROLL_AMOUNT;\n\n if (nextIndex > index) {\n return Math.max(leftIncrement, 0);\n }\n\n return Math.min(rightIncrement, 0);\n }\n\n /**\n * Determines the index of the adjacent tab closest to either edge of the Tab\n * Bar\n * @param index The index of the tab\n * @param tabDimensions The dimensions of the tab\n * @param scrollPosition The current scroll position\n * @param barWidth The width of the tab bar\n */\n private findAdjacentTabIndexClosestToEdge(\n index: number,\n tabDimensions: MDCTabDimensions,\n scrollPosition: number,\n barWidth: number,\n ): number {\n /**\n * Tabs are laid out in the Tab Scroller like this:\n *\n * Scroll Position\n * +---+\n * | | Bar Width\n * | +-----------------------------------+\n * | | |\n * | V V\n * | +-----------------------------------+\n * V | Tab Scroller |\n * +------------+--------------+-------------------+\n * | Tab | Tab | Tab |\n * +------------+--------------+-------------------+\n * | |\n * +-----------------------------------+\n *\n * To determine the next adjacent index, we look at the Tab root left and\n * Tab root right, both relative to the scroll position. If the Tab root\n * left is less than 0, then we know it's out of view to the left. If the\n * Tab root right minus the bar width is greater than 0, we know the Tab is\n * out of view to the right. From there, we either increment or decrement\n * the index.\n */\n const relativeRootLeft = tabDimensions.rootLeft - scrollPosition;\n const relativeRootRight =\n tabDimensions.rootRight - scrollPosition - barWidth;\n const relativeRootDelta = relativeRootLeft + relativeRootRight;\n const leftEdgeIsCloser = relativeRootLeft < 0 || relativeRootDelta < 0;\n const rightEdgeIsCloser = relativeRootRight > 0 || relativeRootDelta > 0;\n\n if (leftEdgeIsCloser) {\n return index - 1;\n }\n\n if (rightEdgeIsCloser) {\n return index + 1;\n }\n\n return -1;\n }\n\n /**\n * Determines the index of the adjacent tab closest to either edge of the Tab\n * Bar in RTL\n * @param index The index of the tab\n * @param tabDimensions The dimensions of the tab\n * @param scrollPosition The current scroll position\n * @param barWidth The width of the tab bar\n * @param scrollContentWidth The width of the scroller content\n */\n private findAdjacentTabIndexClosestToEdgeRTL(\n index: number,\n tabDimensions: MDCTabDimensions,\n scrollPosition: number,\n barWidth: number,\n scrollContentWidth: number,\n ): number {\n const rootLeft =\n scrollContentWidth - tabDimensions.rootLeft - barWidth - scrollPosition;\n const rootRight =\n scrollContentWidth - tabDimensions.rootRight - scrollPosition;\n const rootDelta = rootLeft + rootRight;\n const leftEdgeIsCloser = rootLeft > 0 || rootDelta > 0;\n const rightEdgeIsCloser = rootRight < 0 || rootDelta < 0;\n\n if (leftEdgeIsCloser) {\n return index + 1;\n }\n\n if (rightEdgeIsCloser) {\n return index - 1;\n }\n\n return -1;\n }\n\n /**\n * Returns the key associated with a keydown event\n * @param evt The keydown event\n */\n private getKeyFromEvent(evt: KeyboardEvent): string {\n if (ACCEPTABLE_KEYS.has(evt.key)) {\n return evt.key;\n }\n return KEYCODE_MAP.get(evt.keyCode)!;\n }\n\n private isActivationKey(key: string) {\n return key === strings.SPACE_KEY || key === strings.ENTER_KEY;\n }\n\n /**\n * Returns whether a given index is inclusively between the ends\n * @param index The index to test\n */\n private indexIsInRange(index: number) {\n return index >= 0 && index < this.adapter.getTabListLength();\n }\n\n /**\n * Returns the view's RTL property\n */\n private isRTL(): boolean {\n return this.adapter.isRTL();\n }\n\n /**\n * Scrolls the tab at the given index into view for left-to-right user agents.\n * @param index The index of the tab to scroll into view\n */\n private scrollIntoViewImpl(index: number) {\n const scrollPosition = this.adapter.getScrollPosition();\n const barWidth = this.adapter.getOffsetWidth();\n const tabDimensions = this.adapter.getTabDimensionsAtIndex(index);\n const nextIndex = this.findAdjacentTabIndexClosestToEdge(\n index, tabDimensions, scrollPosition, barWidth);\n\n if (!this.indexIsInRange(nextIndex)) {\n return;\n }\n\n const scrollIncrement = this.calculateScrollIncrement(\n index, nextIndex, scrollPosition, barWidth);\n this.adapter.incrementScroll(scrollIncrement);\n }\n\n /**\n * Scrolls the tab at the given index into view in RTL\n * @param index The tab index to make visible\n */\n private scrollIntoViewImplRTL(index: number) {\n const scrollPosition = this.adapter.getScrollPosition();\n const barWidth = this.adapter.getOffsetWidth();\n const tabDimensions = this.adapter.getTabDimensionsAtIndex(index);\n const scrollWidth = this.adapter.getScrollContentWidth();\n const nextIndex = this.findAdjacentTabIndexClosestToEdgeRTL(\n index, tabDimensions, scrollPosition, barWidth, scrollWidth);\n\n if (!this.indexIsInRange(nextIndex)) {\n return;\n }\n\n const scrollIncrement = this.calculateScrollIncrementRTL(\n index, nextIndex, scrollPosition, barWidth, scrollWidth);\n this.adapter.incrementScroll(scrollIncrement);\n }\n}\n\n// tslint:disable-next-line:no-default-export Needed for backward compatibility with MDC Web v0.44.0 and earlier.\nexport default MDCTabBarFoundation;\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\nexport * from './adapter';\nexport * from './component';\nexport * from './constants';\nexport * from './foundation';\nexport * from './types';\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\nexport interface MDCTabBarActivatedEventDetail {\n index: number;\n}\n\n// Note: CustomEvent<T> is not supported by Closure Compiler.\n\nexport interface MDCTabBarActivatedEvent extends Event {\n readonly detail: MDCTabBarActivatedEventDetail;\n}\n","/**\n * @license\n * Copyright 2018 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\nimport {MDCComponent} from '@material/base/component';\n\nimport {MDCTabIndicatorAdapter} from './adapter';\nimport {MDCFadingTabIndicatorFoundation} from './fading-foundation';\nimport {MDCTabIndicatorFoundation} from './foundation';\nimport {MDCSlidingTabIndicatorFoundation} from './sliding-foundation';\n\n/** MDC Tab Indicator Factory */\nexport type MDCTabIndicatorFactory =\n (el: HTMLElement, foundation?: MDCTabIndicatorFoundation) =>\n MDCTabIndicator;\n\n/** MDC Tab Indicator */\nexport class MDCTabIndicator extends MDCComponent<MDCTabIndicatorFoundation> {\n static override attachTo(root: HTMLElement): MDCTabIndicator {\n return new MDCTabIndicator(root);\n }\n\n private content!: HTMLElement; // assigned in initialize()\n\n override initialize() {\n this.content = this.root.querySelector<HTMLElement>(\n MDCTabIndicatorFoundation.strings.CONTENT_SELECTOR)!;\n }\n\n computeContentClientRect(): DOMRect {\n return this.foundation.computeContentClientRect();\n }\n\n override getDefaultFoundation() {\n // DO NOT INLINE this variable. For backward compatibility, foundations take\n // a Partial<MDCFooAdapter>. To ensure we don't accidentally omit any\n // methods, we need a separate, strongly typed adapter variable.\n // tslint:disable:object-literal-sort-keys Methods should be in the same order as the adapter interface.\n const adapter: MDCTabIndicatorAdapter = {\n addClass: (className) => {\n this.root.classList.add(className);\n },\n removeClass: (className) => {\n this.root.classList.remove(className);\n },\n computeContentClientRect: () => this.content.getBoundingClientRect(),\n setContentStyleProperty: (prop, value) => {\n this.content.style.setProperty(prop, value);\n },\n };\n // tslint:enable:object-literal-sort-keys\n\n if (this.root.classList.contains(\n MDCTabIndicatorFoundation.cssClasses.FADE)) {\n return new MDCFadingTabIndicatorFoundation(adapter);\n }\n\n // Default to the sliding indicator\n return new MDCSlidingTabIndicatorFoundation(adapter);\n }\n\n activate(previousIndicatorClientRect?: DOMRect) {\n this.foundation.activate(previousIndicatorClientRect);\n }\n\n deactivate() {\n this.foundation.deactivate();\n }\n}\n","/**\n * @license\n * Copyright 2018 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\nconst cssClasses = {\n ACTIVE: 'mdc-tab-indicator--active',\n FADE: 'mdc-tab-indicator--fade',\n NO_TRANSITION: 'mdc-tab-indicator--no-transition',\n};\n\nconst strings = {\n CONTENT_SELECTOR: '.mdc-tab-indicator__content',\n};\n\nexport {\n cssClasses,\n strings,\n};\n","/**\n * @license\n * Copyright 2018 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\nimport {MDCTabIndicatorFoundation} from './foundation';\n\n/* istanbul ignore next: subclass is not a branch statement */\nexport class MDCFadingTabIndicatorFoundation extends MDCTabIndicatorFoundation {\n activate() {\n this.adapter.addClass(MDCTabIndicatorFoundation.cssClasses.ACTIVE);\n }\n\n deactivate() {\n this.adapter.removeClass(MDCTabIndicatorFoundation.cssClasses.ACTIVE);\n }\n}\n\n// tslint:disable-next-line:no-default-export Needed for backward compatibility with MDC Web v0.44.0 and earlier.\nexport default MDCFadingTabIndicatorFoundation;\n","/**\n * @license\n * Copyright 2018 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\nimport {MDCFoundation} from '@material/base/foundation';\n\nimport {MDCTabIndicatorAdapter} from './adapter';\nimport {cssClasses, strings} from './constants';\n\n/** MDC Tab Indicator Foundation */\nexport abstract class MDCTabIndicatorFoundation extends\n MDCFoundation<MDCTabIndicatorAdapter> {\n static override get cssClasses() {\n return cssClasses;\n }\n\n static override get strings() {\n return strings;\n }\n\n static override get defaultAdapter(): MDCTabIndicatorAdapter {\n // tslint:disable:object-literal-sort-keys Methods should be in the same order as the adapter interface.\n return {\n addClass: () => undefined,\n removeClass: () => undefined,\n computeContentClientRect: () =>\n ({top: 0, right: 0, bottom: 0, left: 0, width: 0, height: 0} as any),\n setContentStyleProperty: () => undefined,\n };\n // tslint:enable:object-literal-sort-keys\n }\n\n constructor(adapter?: Partial<MDCTabIndicatorAdapter>) {\n super({...MDCTabIndicatorFoundation.defaultAdapter, ...adapter});\n }\n\n computeContentClientRect(): DOMRect {\n return this.adapter.computeContentClientRect();\n }\n\n abstract activate(previousIndicatorClientRect?: DOMRect): void;\n abstract deactivate(): void;\n}\n\n// tslint:disable-next-line:no-default-export Needed for backward compatibility with MDC Web v0.44.0 and earlier.\nexport default MDCTabIndicatorFoundation;\n","/**\n * @license\n * Copyright 2018 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\nimport {MDCTabIndicatorFoundation} from './foundation';\n\n/* istanbul ignore next: subclass is not a branch statement */\nexport class MDCSlidingTabIndicatorFoundation extends\n MDCTabIndicatorFoundation {\n activate(previousIndicatorClientRect?: DOMRect) {\n // Early exit if no indicator is present to handle cases where an indicator\n // may be activated without a prior indicator state\n if (!previousIndicatorClientRect) {\n this.adapter.addClass(MDCTabIndicatorFoundation.cssClasses.ACTIVE);\n return;\n }\n\n // This animation uses the FLIP approach. You can read more about it at the\n // link below: https://aerotwist.com/blog/flip-your-animations/\n\n // Calculate the dimensions based on the dimensions of the previous\n // indicator\n const currentClientRect = this.computeContentClientRect();\n const widthDelta =\n previousIndicatorClientRect.width / currentClientRect.width;\n const xPosition = previousIndicatorClientRect.left - currentClientRect.left;\n this.adapter.addClass(MDCTabIndicatorFoundation.cssClasses.NO_TRANSITION);\n this.adapter.setContentStyleProperty(\n 'transform', `translateX(${xPosition}px) scaleX(${widthDelta})`);\n\n // Force repaint before updating classes and transform to ensure the\n // transform properly takes effect\n this.computeContentClientRect();\n\n this.adapter.removeClass(\n MDCTabIndicatorFoundation.cssClasses.NO_TRANSITION);\n this.adapter.addClass(MDCTabIndicatorFoundation.cssClasses.ACTIVE);\n this.adapter.setContentStyleProperty('transform', '');\n }\n\n deactivate() {\n this.adapter.removeClass(MDCTabIndicatorFoundation.cssClasses.ACTIVE);\n }\n}\n\n// tslint:disable-next-line:no-default-export Needed for backward compatibility with MDC Web v0.44.0 and earlier.\nexport default MDCSlidingTabIndicatorFoundation;\n","/**\n * @license\n * Copyright 2018 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\nimport {MDCComponent} from '@material/base/component';\nimport {SpecificEventListener} from '@material/base/types';\nimport {applyPassive} from '@material/dom/events';\nimport {matches} from '@material/dom/ponyfill';\n\nimport {MDCTabScrollerAdapter} from './adapter';\nimport {MDCTabScrollerFoundation} from './foundation';\nimport * as util from './util';\n\ntype InteractionEventType =\n 'wheel'|'touchstart'|'pointerdown'|'mousedown'|'keydown';\n\n/** MDC Tab Scroller Factory */\nexport type MDCTabScrollerFactory =\n (el: HTMLElement, foundation?: MDCTabScrollerFoundation) => MDCTabScroller;\n\n/** MDC Tab Scroller */\nexport class MDCTabScroller extends MDCComponent<MDCTabScrollerFoundation> {\n static override attachTo(root: HTMLElement): MDCTabScroller {\n return new MDCTabScroller(root);\n }\n\n private content!: HTMLElement; // assigned in initialize()\n private area!: HTMLElement; // assigned in initialize()\n private handleInteraction!:\n SpecificEventListener<InteractionEventType>; // assigned in\n // initialSyncWithDOM()\n private handleTransitionEnd!:\n SpecificEventListener<'transitionend'>; // assigned in\n // initialSyncWithDOM()\n\n override initialize() {\n this.area = this.root.querySelector<HTMLElement>(\n MDCTabScrollerFoundation.strings.AREA_SELECTOR)!;\n this.content = this.root.querySelector<HTMLElement>(\n MDCTabScrollerFoundation.strings.CONTENT_SELECTOR)!;\n }\n\n override initialSyncWithDOM() {\n this.handleInteraction = () => {\n this.foundation.handleInteraction();\n };\n this.handleTransitionEnd = (evt) => {\n this.foundation.handleTransitionEnd(evt);\n };\n\n this.area.addEventListener('wheel', this.handleInteraction, applyPassive());\n this.area.addEventListener(\n 'touchstart', this.handleInteraction, applyPassive());\n this.area.addEventListener(\n 'pointerdown', this.handleInteraction, applyPassive());\n this.area.addEventListener(\n 'mousedown', this.handleInteraction, applyPassive());\n this.area.addEventListener(\n 'keydown', this.handleInteraction, applyPassive());\n this.content.addEventListener('transitionend', this.handleTransitionEnd);\n }\n\n override destroy() {\n super.destroy();\n\n this.area.removeEventListener(\n 'wheel', this.handleInteraction, applyPassive());\n this.area.removeEventListener(\n 'touchstart', this.handleInteraction, applyPassive());\n this.area.removeEventListener(\n 'pointerdown', this.handleInteraction, applyPassive());\n this.area.removeEventListener(\n 'mousedown', this.handleInteraction, applyPassive());\n this.area.removeEventListener(\n 'keydown', this.handleInteraction, applyPassive());\n this.content.removeEventListener('transitionend', this.handleTransitionEnd);\n }\n\n override getDefaultFoundation() {\n // DO NOT INLINE this variable. For backward compatibility, foundations take\n // a Partial<MDCFooAdapter>. To ensure we don't accidentally omit any\n // methods, we need a separate, strongly typed adapter variable.\n // tslint:disable:object-literal-sort-keys Methods should be in the same order as the adapter interface.\n const adapter: MDCTabScrollerAdapter = {\n eventTargetMatchesSelector: (evtTarget, selector) =>\n matches(evtTarget as Element, selector),\n addClass: (className) => {\n this.root.classList.add(className);\n },\n removeClass: (className) => {\n this.root.classList.remove(className);\n },\n addScrollAreaClass: (className) => {\n this.area.classList.add(className);\n },\n setScrollAreaStyleProperty: (prop, value) => {\n this.area.style.setProperty(prop, value);\n },\n setScrollContentStyleProperty: (prop, value) => {\n this.content.style.setProperty(prop, value);\n },\n getScrollContentStyleValue: (propName) =>\n window.getComputedStyle(this.content).getPropertyValue(propName),\n setScrollAreaScrollLeft: (scrollX) => this.area.scrollLeft = scrollX,\n getScrollAreaScrollLeft: () => this.area.scrollLeft,\n getScrollContentOffsetWidth: () => this.content.offsetWidth,\n getScrollAreaOffsetWidth: () => this.area.offsetWidth,\n computeScrollAreaClientRect: () => this.area.getBoundingClientRect(),\n computeScrollContentClientRect: () =>\n this.content.getBoundingClientRect(),\n computeHorizontalScrollbarHeight: () =>\n util.computeHorizontalScrollbarHeight(document),\n };\n // tslint:enable:object-literal-sort-keys\n return new MDCTabScrollerFoundation(adapter);\n }\n\n /**\n * Returns the current visual scroll position\n */\n getScrollPosition(): number {\n return this.foundation.getScrollPosition();\n }\n\n /**\n * Returns the width of the scroll content\n */\n getScrollContentWidth(): number {\n return this.content.offsetWidth;\n }\n\n /**\n * Increments the scroll value by the given amount\n * @param scrollXIncrement The pixel value by which to increment the scroll\n * value\n */\n incrementScroll(scrollXIncrement: number) {\n this.foundation.incrementScroll(scrollXIncrement);\n }\n\n /**\n * Scrolls to the given pixel position\n * @param scrollX The pixel value to scroll to\n */\n scrollTo(scrollX: number) {\n this.foundation.scrollTo(scrollX);\n }\n}\n","/**\n * @license\n * Copyright 2018 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\nconst cssClasses = {\n ANIMATING: 'mdc-tab-scroller--animating',\n SCROLL_AREA_SCROLL: 'mdc-tab-scroller__scroll-area--scroll',\n SCROLL_TEST: 'mdc-tab-scroller__test',\n};\n\nconst strings = {\n AREA_SELECTOR: '.mdc-tab-scroller__scroll-area',\n CONTENT_SELECTOR: '.mdc-tab-scroller__scroll-content',\n};\n\nexport {\n cssClasses,\n strings,\n};\n","/**\n * @license\n * Copyright 2018 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\nimport {MDCFoundation} from '@material/base/foundation';\n\nimport {MDCTabScrollerAdapter} from './adapter';\nimport {cssClasses, strings} from './constants';\nimport {MDCTabScrollerRTLDefault} from './rtl-default-scroller';\nimport {MDCTabScrollerRTLNegative} from './rtl-negative-scroller';\nimport {MDCTabScrollerRTLReverse} from './rtl-reverse-scroller';\nimport {MDCTabScrollerRTL} from './rtl-scroller';\nimport {MDCTabScrollerAnimation, MDCTabScrollerHorizontalEdges} from './types';\n\n/** MDC Tab Scroller Foundation */\nexport class MDCTabScrollerFoundation extends\n MDCFoundation<MDCTabScrollerAdapter> {\n static override get cssClasses() {\n return cssClasses;\n }\n\n static override get strings() {\n return strings;\n }\n\n static override get defaultAdapter(): MDCTabScrollerAdapter {\n // tslint:disable:object-literal-sort-keys Methods should be in the same order as the adapter interface.\n return {\n eventTargetMatchesSelector: () => false,\n addClass: () => undefined,\n removeClass: () => undefined,\n addScrollAreaClass: () => undefined,\n setScrollAreaStyleProperty: () => undefined,\n setScrollContentStyleProperty: () => undefined,\n getScrollContentStyleValue: () => '',\n setScrollAreaScrollLeft: () => undefined,\n getScrollAreaScrollLeft: () => 0,\n getScrollContentOffsetWidth: () => 0,\n getScrollAreaOffsetWidth: () => 0,\n computeScrollAreaClientRect: () =>\n ({top: 0, right: 0, bottom: 0, left: 0, width: 0, height: 0} as any),\n computeScrollContentClientRect: () =>\n ({top: 0, right: 0, bottom: 0, left: 0, width: 0, height: 0} as any),\n computeHorizontalScrollbarHeight: () => 0,\n };\n // tslint:enable:object-literal-sort-keys\n }\n\n /**\n * Controls whether we should handle the transitionend and interaction events\n * during the animation.\n */\n private isAnimating = false;\n\n /**\n * The MDCTabScrollerRTL instance varies per browser and allows us to\n * encapsulate the peculiar browser behavior of RTL scrolling in its own\n * class.\n */\n private rtlScrollerInstance?: MDCTabScrollerRTL;\n\n constructor(adapter?: Partial<MDCTabScrollerAdapter>) {\n super({...MDCTabScrollerFoundation.defaultAdapter, ...adapter});\n }\n\n override init() {\n // Compute horizontal scrollbar height on scroller with overflow initially\n // hidden, then update overflow to scroll and immediately adjust bottom\n // margin to avoid the scrollbar initially appearing before JS runs.\n const horizontalScrollbarHeight =\n this.adapter.computeHorizontalScrollbarHeight();\n this.adapter.setScrollAreaStyleProperty(\n 'margin-bottom', -horizontalScrollbarHeight + 'px');\n this.adapter.addScrollAreaClass(\n MDCTabScrollerFoundation.cssClasses.SCROLL_AREA_SCROLL);\n }\n\n /**\n * Computes the current visual scroll position\n */\n getScrollPosition(): number {\n if (this.isRTL()) {\n return this.computeCurrentScrollPositionRTL();\n }\n\n const currentTranslateX = this.calculateCurrentTranslateX();\n const scrollLeft = this.adapter.getScrollAreaScrollLeft();\n return scrollLeft - currentTranslateX;\n }\n\n /**\n * Handles interaction events that occur during transition\n */\n handleInteraction() {\n // Early exit if we aren't animating\n if (!this.isAnimating) {\n return;\n }\n\n // Prevent other event listeners from handling this event\n this.stopScrollAnimation();\n }\n\n /**\n * Handles the transitionend event\n */\n handleTransitionEnd(evt: Event) {\n // Early exit if we aren't animating or the event was triggered by a\n // different element.\n const evtTarget = evt.target as Element;\n if (!this.isAnimating ||\n !this.adapter.eventTargetMatchesSelector(\n evtTarget, MDCTabScrollerFoundation.strings.CONTENT_SELECTOR)) {\n return;\n }\n\n this.isAnimating = false;\n this.adapter.removeClass(MDCTabScrollerFoundation.cssClasses.ANIMATING);\n }\n\n /**\n * Increment the scroll value by the scrollXIncrement using animation.\n * @param scrollXIncrement The value by which to increment the scroll position\n */\n incrementScroll(scrollXIncrement: number) {\n // Early exit for non-operational increment values\n if (scrollXIncrement === 0) {\n return;\n }\n\n this.animate(this.getIncrementScrollOperation(scrollXIncrement));\n }\n\n /**\n * Increment the scroll value by the scrollXIncrement without animation.\n * @param scrollXIncrement The value by which to increment the scroll position\n */\n incrementScrollImmediate(scrollXIncrement: number) {\n // Early exit for non-operational increment values\n if (scrollXIncrement === 0) {\n return;\n }\n\n const operation = this.getIncrementScrollOperation(scrollXIncrement);\n if (operation.scrollDelta === 0) {\n return;\n }\n\n this.stopScrollAnimation();\n this.adapter.setScrollAreaScrollLeft(operation.finalScrollPosition);\n }\n\n /**\n * Scrolls to the given scrollX value\n */\n scrollTo(scrollX: number) {\n if (this.isRTL()) {\n this.scrollToImplRTL(scrollX);\n return;\n }\n\n this.scrollToImpl(scrollX);\n }\n\n /**\n * @return Browser-specific {@link MDCTabScrollerRTL} instance.\n */\n getRTLScroller(): MDCTabScrollerRTL {\n if (!this.rtlScrollerInstance) {\n this.rtlScrollerInstance = this.rtlScrollerFactory();\n }\n\n return this.rtlScrollerInstance;\n }\n\n /**\n * @return translateX value from a CSS matrix transform function string.\n */\n private calculateCurrentTranslateX(): number {\n const transformValue = this.adapter.getScrollContentStyleValue('transform');\n // Early exit if no transform is present\n if (transformValue === 'none') {\n return 0;\n }\n\n // The transform value comes back as a matrix transformation in the form\n // of `matrix(a, b, c, d, tx, ty)`. We only care about tx (translateX) so\n // we're going to grab all the parenthesized values, strip out tx, and\n // parse it.\n const match = /\\((.+?)\\)/.exec(transformValue);\n if (!match) {\n return 0;\n }\n\n const matrixParams = match[1];\n\n // tslint:disable-next-line:ban-ts-suppressions \"Unused vars\" should be a linter warning, not a compiler error.\n // @ts-ignore These unused variables should retain their semantic names for\n // clarity.\n const [a, b, c, d, tx, ty] = matrixParams.split(',');\n\n return parseFloat(tx); // tslint:disable-line:ban\n }\n\n /**\n * Calculates a safe scroll value that is > 0 and < the max scroll value\n * @param scrollX The distance to scroll\n */\n private clampScrollValue(scrollX: number): number {\n const edges = this.calculateScrollEdges();\n return Math.min(Math.max(edges.left, scrollX), edges.right);\n }\n\n private computeCurrentScrollPositionRTL(): number {\n const translateX = this.calculateCurrentTranslateX();\n return this.getRTLScroller().getScrollPositionRTL(translateX);\n }\n\n private calculateScrollEdges(): MDCTabScrollerHorizontalEdges {\n const contentWidth = this.adapter.getScrollContentOffsetWidth();\n const rootWidth = this.adapter.getScrollAreaOffsetWidth();\n return {\n left: 0,\n right: contentWidth - rootWidth,\n };\n }\n\n /**\n * Internal scroll method\n * @param scrollX The new scroll position\n */\n private scrollToImpl(scrollX: number) {\n const currentScrollX = this.getScrollPosition();\n const safeScrollX = this.clampScrollValue(scrollX);\n const scrollDelta = safeScrollX - currentScrollX;\n this.animate({\n finalScrollPosition: safeScrollX,\n scrollDelta,\n });\n }\n\n /**\n * Internal RTL scroll method\n * @param scrollX The new scroll position\n */\n private scrollToImplRTL(scrollX: number) {\n const animation = this.getRTLScroller().scrollToRTL(scrollX);\n this.animate(animation);\n }\n\n /**\n * Internal method to compute the increment scroll operation values.\n * @param scrollX The desired scroll position increment\n * @return MDCTabScrollerAnimation with the sanitized values for performing\n * the scroll operation.\n */\n private getIncrementScrollOperation(scrollX: number):\n MDCTabScrollerAnimation {\n if (this.isRTL()) {\n return this.getRTLScroller().incrementScrollRTL(scrollX);\n }\n\n const currentScrollX = this.getScrollPosition();\n const targetScrollX = scrollX + currentScrollX;\n const safeScrollX = this.clampScrollValue(targetScrollX);\n const scrollDelta = safeScrollX - currentScrollX;\n return {\n finalScrollPosition: safeScrollX,\n scrollDelta,\n };\n }\n\n /**\n * Animates the tab scrolling\n * @param animation The animation to apply\n */\n private animate(animation: MDCTabScrollerAnimation) {\n // Early exit if translateX is 0, which means there's no animation to\n // perform\n if (animation.scrollDelta === 0) {\n return;\n }\n\n this.stopScrollAnimation();\n // This animation uses the FLIP approach.\n // Read more here: https://aerotwist.com/blog/flip-your-animations/\n this.adapter.setScrollAreaScrollLeft(animation.finalScrollPosition);\n this.adapter.setScrollContentStyleProperty(\n 'transform', `translateX(${animation.scrollDelta}px)`);\n // Force repaint\n this.adapter.computeScrollAreaClientRect();\n\n requestAnimationFrame(() => {\n this.adapter.addClass(MDCTabScrollerFoundation.cssClasses.ANIMATING);\n this.adapter.setScrollContentStyleProperty('transform', 'none');\n });\n\n this.isAnimating = true;\n }\n\n /**\n * Stops scroll animation\n */\n private stopScrollAnimation() {\n this.isAnimating = false;\n const currentScrollPosition = this.getAnimatingScrollPosition();\n this.adapter.removeClass(MDCTabScrollerFoundation.cssClasses.ANIMATING);\n this.adapter.setScrollContentStyleProperty('transform', 'translateX(0px)');\n this.adapter.setScrollAreaScrollLeft(currentScrollPosition);\n }\n\n /**\n * Gets the current scroll position during animation\n */\n private getAnimatingScrollPosition(): number {\n const currentTranslateX = this.calculateCurrentTranslateX();\n const scrollLeft = this.adapter.getScrollAreaScrollLeft();\n if (this.isRTL()) {\n return this.getRTLScroller().getAnimatingScrollPosition(\n scrollLeft, currentTranslateX);\n }\n\n return scrollLeft - currentTranslateX;\n }\n\n /**\n * Determines the RTL Scroller to use\n */\n private rtlScrollerFactory(): MDCTabScrollerRTL {\n // Browsers have three different implementations of scrollLeft in RTL mode,\n // dependent on the browser. The behavior is based off the max LTR\n // scrollLeft value and 0.\n //\n // * Default scrolling in RTL *\n // - Left-most value: 0\n // - Right-most value: Max LTR scrollLeft value\n //\n // * Negative scrolling in RTL *\n // - Left-most value: Negated max LTR scrollLeft value\n // - Right-most value: 0\n //\n // * Reverse scrolling in RTL *\n // - Left-most value: Max LTR scrollLeft value\n // - Right-most value: 0\n //\n // We use those principles below to determine which RTL scrollLeft\n // behavior is implemented in the current browser.\n const initialScrollLeft = this.adapter.getScrollAreaScrollLeft();\n this.adapter.setScrollAreaScrollLeft(initialScrollLeft - 1);\n const newScrollLeft = this.adapter.getScrollAreaScrollLeft();\n\n // If the newScrollLeft value is negative,then we know that the browser has\n // implemented negative RTL scrolling, since all other implementations have\n // only positive values.\n if (newScrollLeft < 0) {\n // Undo the scrollLeft test check\n this.adapter.setScrollAreaScrollLeft(initialScrollLeft);\n return new MDCTabScrollerRTLNegative(this.adapter);\n }\n\n const rootClientRect = this.adapter.computeScrollAreaClientRect();\n const contentClientRect = this.adapter.computeScrollContentClientRect();\n const rightEdgeDelta =\n Math.round(contentClientRect.right - rootClientRect.right);\n // Undo the scrollLeft test check\n this.adapter.setScrollAreaScrollLeft(initialScrollLeft);\n\n // By calculating the clientRect of the root element and the clientRect of\n // the content element, we can determine how much the scroll value changed\n // when we performed the scrollLeft subtraction above.\n if (rightEdgeDelta === newScrollLeft) {\n return new MDCTabScrollerRTLReverse(this.adapter);\n }\n\n return new MDCTabScrollerRTLDefault(this.adapter);\n }\n\n private isRTL(): boolean {\n return this.adapter.getScrollContentStyleValue('direction') === 'rtl';\n }\n}\n\n// tslint:disable-next-line:no-default-export Needed for backward compatibility with MDC Web v0.44.0 and earlier.\nexport default MDCTabScrollerFoundation;\n","/**\n * @license\n * Copyright 2018 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\nimport {MDCTabScrollerRTL} from './rtl-scroller';\nimport {MDCTabScrollerAnimation, MDCTabScrollerHorizontalEdges} from './types';\n\n/** MDC Tab Scroller RTL Default */\nexport class MDCTabScrollerRTLDefault extends MDCTabScrollerRTL {\n getScrollPositionRTL(): number {\n const currentScrollLeft = this.adapter.getScrollAreaScrollLeft();\n const {right} = this.calculateScrollEdges();\n // Scroll values on most browsers are ints instead of floats so we round\n return Math.round(right - currentScrollLeft);\n }\n\n scrollToRTL(scrollX: number): MDCTabScrollerAnimation {\n const edges = this.calculateScrollEdges();\n const currentScrollLeft = this.adapter.getScrollAreaScrollLeft();\n const clampedScrollLeft = this.clampScrollValue(edges.right - scrollX);\n return {\n finalScrollPosition: clampedScrollLeft,\n scrollDelta: clampedScrollLeft - currentScrollLeft,\n };\n }\n\n incrementScrollRTL(scrollX: number): MDCTabScrollerAnimation {\n const currentScrollLeft = this.adapter.getScrollAreaScrollLeft();\n const clampedScrollLeft =\n this.clampScrollValue(currentScrollLeft - scrollX);\n return {\n finalScrollPosition: clampedScrollLeft,\n scrollDelta: clampedScrollLeft - currentScrollLeft,\n };\n }\n\n getAnimatingScrollPosition(scrollX: number): number {\n return scrollX;\n }\n\n private calculateScrollEdges(): MDCTabScrollerHorizontalEdges {\n const contentWidth = this.adapter.getScrollContentOffsetWidth();\n const rootWidth = this.adapter.getScrollAreaOffsetWidth();\n return {\n left: 0,\n right: contentWidth - rootWidth,\n };\n }\n\n private clampScrollValue(scrollX: number): number {\n const edges = this.calculateScrollEdges();\n return Math.min(Math.max(edges.left, scrollX), edges.right);\n }\n}\n\n// tslint:disable-next-line:no-default-export Needed for backward compatibility with MDC Web v0.44.0 and earlier.\nexport default MDCTabScrollerRTLDefault;\n","/**\n * @license\n * Copyright 2018 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\nimport {MDCTabScrollerRTL} from './rtl-scroller';\nimport {MDCTabScrollerAnimation, MDCTabScrollerHorizontalEdges} from './types';\n\n/** MDC Tab Scroller RTL Negative */\nexport class MDCTabScrollerRTLNegative extends MDCTabScrollerRTL {\n getScrollPositionRTL(translateX: number): number {\n const currentScrollLeft = this.adapter.getScrollAreaScrollLeft();\n return Math.round(translateX - currentScrollLeft);\n }\n\n scrollToRTL(scrollX: number): MDCTabScrollerAnimation {\n const currentScrollLeft = this.adapter.getScrollAreaScrollLeft();\n const clampedScrollLeft = this.clampScrollValue(-scrollX);\n return {\n finalScrollPosition: clampedScrollLeft,\n scrollDelta: clampedScrollLeft - currentScrollLeft,\n };\n }\n\n incrementScrollRTL(scrollX: number): MDCTabScrollerAnimation {\n const currentScrollLeft = this.adapter.getScrollAreaScrollLeft();\n const clampedScrollLeft =\n this.clampScrollValue(currentScrollLeft - scrollX);\n return {\n finalScrollPosition: clampedScrollLeft,\n scrollDelta: clampedScrollLeft - currentScrollLeft,\n };\n }\n\n getAnimatingScrollPosition(scrollX: number, translateX: number): number {\n return scrollX - translateX;\n }\n\n private calculateScrollEdges(): MDCTabScrollerHorizontalEdges {\n const contentWidth = this.adapter.getScrollContentOffsetWidth();\n const rootWidth = this.adapter.getScrollAreaOffsetWidth();\n return {\n left: rootWidth - contentWidth,\n right: 0,\n };\n }\n\n private clampScrollValue(scrollX: number): number {\n const edges = this.calculateScrollEdges();\n return Math.max(Math.min(edges.right, scrollX), edges.left);\n }\n}\n\n// tslint:disable-next-line:no-default-export Needed for backward compatibility with MDC Web v0.44.0 and earlier.\nexport default MDCTabScrollerRTLNegative;\n","/**\n * @license\n * Copyright 2018 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\nimport {MDCTabScrollerRTL} from './rtl-scroller';\nimport {MDCTabScrollerAnimation, MDCTabScrollerHorizontalEdges} from './types';\n\n/** MDC Tab Scroller RTL Reverse */\nexport class MDCTabScrollerRTLReverse extends MDCTabScrollerRTL {\n getScrollPositionRTL(translateX: number): number {\n const currentScrollLeft = this.adapter.getScrollAreaScrollLeft();\n // Scroll values on most browsers are ints instead of floats so we round\n return Math.round(currentScrollLeft - translateX);\n }\n\n scrollToRTL(scrollX: number): MDCTabScrollerAnimation {\n const currentScrollLeft = this.adapter.getScrollAreaScrollLeft();\n const clampedScrollLeft = this.clampScrollValue(scrollX);\n return {\n finalScrollPosition: clampedScrollLeft,\n scrollDelta: currentScrollLeft - clampedScrollLeft,\n };\n }\n\n incrementScrollRTL(scrollX: number): MDCTabScrollerAnimation {\n const currentScrollLeft = this.adapter.getScrollAreaScrollLeft();\n const clampedScrollLeft =\n this.clampScrollValue(currentScrollLeft + scrollX);\n return {\n finalScrollPosition: clampedScrollLeft,\n scrollDelta: currentScrollLeft - clampedScrollLeft,\n };\n }\n\n getAnimatingScrollPosition(scrollX: number, translateX: number): number {\n return scrollX + translateX;\n }\n\n private calculateScrollEdges(): MDCTabScrollerHorizontalEdges {\n const contentWidth = this.adapter.getScrollContentOffsetWidth();\n const rootWidth = this.adapter.getScrollAreaOffsetWidth();\n return {\n left: contentWidth - rootWidth,\n right: 0,\n };\n }\n\n private clampScrollValue(scrollX: number): number {\n const edges = this.calculateScrollEdges();\n return Math.min(Math.max(edges.right, scrollX), edges.left);\n }\n}\n\n// tslint:disable-next-line:no-default-export Needed for backward compatibility with MDC Web v0.44.0 and earlier.\nexport default MDCTabScrollerRTLReverse;\n","/**\n * @license\n * Copyright 2018 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\nimport {MDCTabScrollerAdapter} from './adapter';\nimport {MDCTabScrollerAnimation} from './types';\n\n/** MDC Tab Scroller RTL */\nexport abstract class MDCTabScrollerRTL {\n constructor(protected readonly adapter: MDCTabScrollerAdapter) {}\n\n abstract getScrollPositionRTL(translateX: number): number;\n\n abstract scrollToRTL(scrollX: number): MDCTabScrollerAnimation;\n\n abstract incrementScrollRTL(scrollX: number): MDCTabScrollerAnimation;\n\n /**\n * @param scrollX The current scrollX position\n * @param translateX The current translateX position\n */\n abstract getAnimatingScrollPosition(scrollX: number, translateX: number):\n number;\n}\n\n// tslint:disable-next-line:no-default-export Needed for backward compatibility with MDC Web v0.44.0 and earlier.\nexport default MDCTabScrollerRTL;\n","/**\n * @license\n * Copyright 2018 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\nimport {cssClasses} from './constants';\n\n/**\n * Stores result from computeHorizontalScrollbarHeight to avoid redundant\n * processing.\n */\nlet horizontalScrollbarHeight_: number|undefined;\n\n/**\n * Computes the height of browser-rendered horizontal scrollbars using a\n * self-created test element. May return 0 (e.g. on OS X browsers under default\n * configuration).\n */\nexport function computeHorizontalScrollbarHeight(\n documentObj: Document, shouldCacheResult = true): number {\n if (shouldCacheResult && typeof horizontalScrollbarHeight_ !== 'undefined') {\n return horizontalScrollbarHeight_;\n }\n\n const el = documentObj.createElement('div');\n el.classList.add(cssClasses.SCROLL_TEST);\n documentObj.body.appendChild(el);\n\n const horizontalScrollbarHeight = el.offsetHeight - el.clientHeight;\n documentObj.body.removeChild(el);\n\n if (shouldCacheResult) {\n horizontalScrollbarHeight_ = horizontalScrollbarHeight;\n }\n return horizontalScrollbarHeight;\n}\n","/**\n * @license\n * Copyright 2018 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\nimport {MDCComponent} from '@material/base/component';\nimport {SpecificEventListener} from '@material/base/types';\nimport {MDCRipple, MDCRippleFactory} from '@material/ripple/component';\nimport {MDCRippleFoundation} from '@material/ripple/foundation';\nimport {MDCRippleCapableSurface} from '@material/ripple/types';\nimport {MDCTabIndicator, MDCTabIndicatorFactory} from '@material/tab-indicator/component';\n\nimport {MDCTabAdapter} from './adapter';\nimport {MDCTabFoundation} from './foundation';\nimport {MDCTabDimensions, MDCTabInteractionEventDetail} from './types';\n\n/** MDC Tab Factory */\nexport type MDCTabFactory = (el: HTMLElement, foundation?: MDCTabFoundation) =>\n MDCTab;\n\n/** MDC Tab */\nexport class MDCTab extends MDCComponent<MDCTabFoundation> implements\n MDCRippleCapableSurface {\n static override attachTo(root: HTMLElement): MDCTab {\n return new MDCTab(root);\n }\n\n id!: string; // assigned in initialize();\n\n private ripple!: MDCRipple; // assigned in initialize();\n private tabIndicator!: MDCTabIndicator; // assigned in initialize();\n private content!: HTMLElement; // assigned in initialize();\n private handleClick!:\n SpecificEventListener<'click'>; // assigned in initialize();\n\n override initialize(\n rippleFactory:\n MDCRippleFactory = (el, foundation) => new MDCRipple(el, foundation),\n tabIndicatorFactory:\n MDCTabIndicatorFactory = (el) => new MDCTabIndicator(el),\n ) {\n this.id = this.root.id;\n const rippleFoundation =\n new MDCRippleFoundation(MDCRipple.createAdapter(this));\n this.ripple = rippleFactory(this.root, rippleFoundation);\n\n const tabIndicatorElement = this.root.querySelector<HTMLElement>(\n MDCTabFoundation.strings.TAB_INDICATOR_SELECTOR)!;\n this.tabIndicator = tabIndicatorFactory(tabIndicatorElement);\n this.content = this.root.querySelector<HTMLElement>(\n MDCTabFoundation.strings.CONTENT_SELECTOR)!;\n }\n\n override initialSyncWithDOM() {\n this.handleClick = () => {\n this.foundation.handleClick();\n };\n this.listen('click', this.handleClick);\n }\n\n override destroy() {\n this.unlisten('click', this.handleClick);\n this.ripple.destroy();\n super.destroy();\n }\n\n override getDefaultFoundation() {\n // DO NOT INLINE this variable. For backward compatibility, foundations take\n // a Partial<MDCFooAdapter>. To ensure we don't accidentally omit any\n // methods, we need a separate, strongly typed adapter variable.\n // tslint:disable:object-literal-sort-keys Methods should be in the same order as the adapter interface.\n const adapter: MDCTabAdapter = {\n setAttr: (attr, value) => {\n this.safeSetAttribute(this.root, attr, value);\n },\n addClass: (className) => {\n this.root.classList.add(className);\n },\n removeClass: (className) => {\n this.root.classList.remove(className);\n },\n hasClass: (className) => this.root.classList.contains(className),\n activateIndicator: (previousIndicatorClientRect) => {\n this.tabIndicator.activate(previousIndicatorClientRect);\n },\n deactivateIndicator: () => {\n this.tabIndicator.deactivate();\n },\n notifyInteracted: () => {\n this.emit<MDCTabInteractionEventDetail>(\n MDCTabFoundation.strings.INTERACTED_EVENT, {tabId: this.id},\n true /* bubble */);\n },\n getOffsetLeft: () => this.root.offsetLeft,\n getOffsetWidth: () => this.root.offsetWidth,\n getContentOffsetLeft: () => this.content.offsetLeft,\n getContentOffsetWidth: () => this.content.offsetWidth,\n focus: () => {\n this.root.focus();\n },\n isFocused: () => this.root === document.activeElement,\n };\n // tslint:enable:object-literal-sort-keys\n return new MDCTabFoundation(adapter);\n }\n\n /**\n * Getter for the active state of the tab\n */\n get active(): boolean {\n return this.foundation.isActive();\n }\n\n set focusOnActivate(focusOnActivate: boolean) {\n this.foundation.setFocusOnActivate(focusOnActivate);\n }\n\n /**\n * Activates the tab\n */\n activate(computeIndicatorClientRect?: DOMRect) {\n this.foundation.activate(computeIndicatorClientRect);\n }\n\n /**\n * Deactivates the tab\n */\n deactivate() {\n this.foundation.deactivate();\n }\n\n /**\n * Returns the indicator's client rect\n */\n computeIndicatorClientRect(): DOMRect {\n return this.tabIndicator.computeContentClientRect();\n }\n\n computeDimensions(): MDCTabDimensions {\n return this.foundation.computeDimensions();\n }\n\n /**\n * Focuses the tab\n */\n focus() {\n this.root.focus();\n }\n}\n","/**\n * @license\n * Copyright 2018 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\nconst cssClasses = {\n ACTIVE: 'mdc-tab--active',\n};\n\nconst strings = {\n ARIA_SELECTED: 'aria-selected',\n CONTENT_SELECTOR: '.mdc-tab__content',\n INTERACTED_EVENT: 'MDCTab:interacted',\n RIPPLE_SELECTOR: '.mdc-tab__ripple',\n TABINDEX: 'tabIndex',\n TAB_INDICATOR_SELECTOR: '.mdc-tab-indicator',\n};\n\nexport {\n cssClasses,\n strings,\n};\n","/**\n * @license\n * Copyright 2018 Google Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\nimport {MDCFoundation} from '@material/base/foundation';\n\nimport {MDCTabAdapter} from './adapter';\nimport {cssClasses, strings} from './constants';\nimport {MDCTabDimensions} from './types';\n\n/** MDC Tab Foundation */\nexport class MDCTabFoundation extends MDCFoundation<MDCTabAdapter> {\n static override get cssClasses() {\n return cssClasses;\n }\n\n static override get strings() {\n return strings;\n }\n\n static override get defaultAdapter(): MDCTabAdapter {\n // tslint:disable:object-literal-sort-keys Methods should be in the same order as the adapter interface.\n return {\n addClass: () => undefined,\n removeClass: () => undefined,\n hasClass: () => false,\n setAttr: () => undefined,\n activateIndicator: () => undefined,\n deactivateIndicator: () => undefined,\n notifyInteracted: () => undefined,\n getOffsetLeft: () => 0,\n getOffsetWidth: () => 0,\n getContentOffsetLeft: () => 0,\n getContentOffsetWidth: () => 0,\n focus: () => undefined,\n isFocused: () => false,\n };\n // tslint:enable:object-literal-sort-keys\n }\n\n private focusOnActivate = true;\n\n constructor(adapter?: Partial<MDCTabAdapter>) {\n super({...MDCTabFoundation.defaultAdapter, ...adapter});\n }\n\n handleClick() {\n // It's up to the parent component to keep track of the active Tab and\n // ensure we don't activate a Tab that's already active.\n this.adapter.notifyInteracted();\n }\n\n isActive(): boolean {\n return this.adapter.hasClass(cssClasses.ACTIVE);\n }\n\n /**\n * Sets whether the tab should focus itself when activated\n */\n setFocusOnActivate(focusOnActivate: boolean) {\n this.focusOnActivate = focusOnActivate;\n }\n\n /**\n * Activates the Tab\n */\n activate(previousIndicatorClientRect?: DOMRect) {\n this.adapter.addClass(cssClasses.ACTIVE);\n this.adapter.setAttr(strings.ARIA_SELECTED, 'true');\n this.adapter.setAttr(strings.TABINDEX, '0');\n this.adapter.activateIndicator(previousIndicatorClientRect);\n if (this.focusOnActivate && !this.adapter.isFocused()) {\n this.adapter.focus();\n }\n }\n\n /**\n * Deactivates the Tab\n */\n deactivate() {\n // Early exit\n if (!this.isActive()) {\n return;\n }\n\n this.adapter.removeClass(cssClasses.ACTIVE);\n this.adapter.setAttr(strings.ARIA_SELECTED, 'false');\n this.adapter.setAttr(strings.TABINDEX, '-1');\n this.adapter.deactivateIndicator();\n }\n\n /**\n * Returns the dimensions of the Tab\n */\n computeDimensions(): MDCTabDimensions {\n const rootWidth = this.adapter.getOffsetWidth();\n const rootLeft = this.adapter.getOffsetLeft();\n const contentWidth = this.adapter.getContentOffsetWidth();\n const contentLeft = this.adapter.getContentOffsetLeft();\n\n return {\n contentLeft: rootLeft + contentLeft,\n contentRight: rootLeft + contentLeft + contentWidth,\n rootLeft,\n rootRight: rootLeft + rootWidth,\n };\n }\n}\n\n// tslint:disable-next-line:no-default-export Needed for backward compatibility with MDC Web v0.44.0 and earlier.\nexport default MDCTabFoundation;\n"],"sourceRoot":""}