File: /var/www/vhost/disk-apps/pwa.sports-crowd.com/node_modules/less/lib/less/visitors/to-css-visitor.js
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var tree_1 = tslib_1.__importDefault(require("../tree"));
var visitor_1 = tslib_1.__importDefault(require("./visitor"));
var CSSVisitorUtils = /** @class */ (function () {
function CSSVisitorUtils(context) {
this._visitor = new visitor_1.default(this);
this._context = context;
}
CSSVisitorUtils.prototype.containsSilentNonBlockedChild = function (bodyRules) {
var rule;
if (!bodyRules) {
return false;
}
for (var r = 0; r < bodyRules.length; r++) {
rule = bodyRules[r];
if (rule.isSilent && rule.isSilent(this._context) && !rule.blocksVisibility()) {
// the atrule contains something that was referenced (likely by extend)
// therefore it needs to be shown in output too
return true;
}
}
return false;
};
CSSVisitorUtils.prototype.keepOnlyVisibleChilds = function (owner) {
if (owner && owner.rules) {
owner.rules = owner.rules.filter(function (thing) { return thing.isVisible(); });
}
};
CSSVisitorUtils.prototype.isEmpty = function (owner) {
return (owner && owner.rules)
? (owner.rules.length === 0) : true;
};
CSSVisitorUtils.prototype.hasVisibleSelector = function (rulesetNode) {
return (rulesetNode && rulesetNode.paths)
? (rulesetNode.paths.length > 0) : false;
};
CSSVisitorUtils.prototype.resolveVisibility = function (node, originalRules) {
if (!node.blocksVisibility()) {
if (this.isEmpty(node) && !this.containsSilentNonBlockedChild(originalRules)) {
return;
}
return node;
}
var compiledRulesBody = node.rules[0];
this.keepOnlyVisibleChilds(compiledRulesBody);
if (this.isEmpty(compiledRulesBody)) {
return;
}
node.ensureVisibility();
node.removeVisibilityBlock();
return node;
};
CSSVisitorUtils.prototype.isVisibleRuleset = function (rulesetNode) {
if (rulesetNode.firstRoot) {
return true;
}
if (this.isEmpty(rulesetNode)) {
return false;
}
if (!rulesetNode.root && !this.hasVisibleSelector(rulesetNode)) {
return false;
}
return true;
};
return CSSVisitorUtils;
}());
var ToCSSVisitor = function (context) {
this._visitor = new visitor_1.default(this);
this._context = context;
this.utils = new CSSVisitorUtils(context);
};
ToCSSVisitor.prototype = {
isReplacing: true,
run: function (root) {
return this._visitor.visit(root);
},
visitDeclaration: function (declNode, visitArgs) {
if (declNode.blocksVisibility() || declNode.variable) {
return;
}
return declNode;
},
visitMixinDefinition: function (mixinNode, visitArgs) {
// mixin definitions do not get eval'd - this means they keep state
// so we have to clear that state here so it isn't used if toCSS is called twice
mixinNode.frames = [];
},
visitExtend: function (extendNode, visitArgs) {
},
visitComment: function (commentNode, visitArgs) {
if (commentNode.blocksVisibility() || commentNode.isSilent(this._context)) {
return;
}
return commentNode;
},
visitMedia: function (mediaNode, visitArgs) {
var originalRules = mediaNode.rules[0].rules;
mediaNode.accept(this._visitor);
visitArgs.visitDeeper = false;
return this.utils.resolveVisibility(mediaNode, originalRules);
},
visitImport: function (importNode, visitArgs) {
if (importNode.blocksVisibility()) {
return;
}
return importNode;
},
visitAtRule: function (atRuleNode, visitArgs) {
if (atRuleNode.rules && atRuleNode.rules.length) {
return this.visitAtRuleWithBody(atRuleNode, visitArgs);
}
else {
return this.visitAtRuleWithoutBody(atRuleNode, visitArgs);
}
},
visitAnonymous: function (anonymousNode, visitArgs) {
if (!anonymousNode.blocksVisibility()) {
anonymousNode.accept(this._visitor);
return anonymousNode;
}
},
visitAtRuleWithBody: function (atRuleNode, visitArgs) {
// if there is only one nested ruleset and that one has no path, then it is
// just fake ruleset
function hasFakeRuleset(atRuleNode) {
var bodyRules = atRuleNode.rules;
return bodyRules.length === 1 && (!bodyRules[0].paths || bodyRules[0].paths.length === 0);
}
function getBodyRules(atRuleNode) {
var nodeRules = atRuleNode.rules;
if (hasFakeRuleset(atRuleNode)) {
return nodeRules[0].rules;
}
return nodeRules;
}
// it is still true that it is only one ruleset in array
// this is last such moment
// process childs
var originalRules = getBodyRules(atRuleNode);
atRuleNode.accept(this._visitor);
visitArgs.visitDeeper = false;
if (!this.utils.isEmpty(atRuleNode)) {
this._mergeRules(atRuleNode.rules[0].rules);
}
return this.utils.resolveVisibility(atRuleNode, originalRules);
},
visitAtRuleWithoutBody: function (atRuleNode, visitArgs) {
if (atRuleNode.blocksVisibility()) {
return;
}
if (atRuleNode.name === '@charset') {
// Only output the debug info together with subsequent @charset definitions
// a comment (or @media statement) before the actual @charset atrule would
// be considered illegal css as it has to be on the first line
if (this.charset) {
if (atRuleNode.debugInfo) {
var comment = new tree_1.default.Comment("/* " + atRuleNode.toCSS(this._context).replace(/\n/g, '') + " */\n");
comment.debugInfo = atRuleNode.debugInfo;
return this._visitor.visit(comment);
}
return;
}
this.charset = true;
}
return atRuleNode;
},
checkValidNodes: function (rules, isRoot) {
if (!rules) {
return;
}
for (var i = 0; i < rules.length; i++) {
var ruleNode = rules[i];
if (isRoot && ruleNode instanceof tree_1.default.Declaration && !ruleNode.variable) {
throw { message: 'Properties must be inside selector blocks. They cannot be in the root',
index: ruleNode.getIndex(), filename: ruleNode.fileInfo() && ruleNode.fileInfo().filename };
}
if (ruleNode instanceof tree_1.default.Call) {
throw { message: "Function '" + ruleNode.name + "' did not return a root node",
index: ruleNode.getIndex(), filename: ruleNode.fileInfo() && ruleNode.fileInfo().filename };
}
if (ruleNode.type && !ruleNode.allowRoot) {
throw { message: ruleNode.type + " node returned by a function is not valid here",
index: ruleNode.getIndex(), filename: ruleNode.fileInfo() && ruleNode.fileInfo().filename };
}
}
},
visitRuleset: function (rulesetNode, visitArgs) {
// at this point rulesets are nested into each other
var rule;
var rulesets = [];
this.checkValidNodes(rulesetNode.rules, rulesetNode.firstRoot);
if (!rulesetNode.root) {
// remove invisible paths
this._compileRulesetPaths(rulesetNode);
// remove rulesets from this ruleset body and compile them separately
var nodeRules = rulesetNode.rules;
var nodeRuleCnt = nodeRules ? nodeRules.length : 0;
for (var i = 0; i < nodeRuleCnt;) {
rule = nodeRules[i];
if (rule && rule.rules) {
// visit because we are moving them out from being a child
rulesets.push(this._visitor.visit(rule));
nodeRules.splice(i, 1);
nodeRuleCnt--;
continue;
}
i++;
}
// accept the visitor to remove rules and refactor itself
// then we can decide nogw whether we want it or not
// compile body
if (nodeRuleCnt > 0) {
rulesetNode.accept(this._visitor);
}
else {
rulesetNode.rules = null;
}
visitArgs.visitDeeper = false;
}
else { // if (! rulesetNode.root) {
rulesetNode.accept(this._visitor);
visitArgs.visitDeeper = false;
}
if (rulesetNode.rules) {
this._mergeRules(rulesetNode.rules);
this._removeDuplicateRules(rulesetNode.rules);
}
// now decide whether we keep the ruleset
if (this.utils.isVisibleRuleset(rulesetNode)) {
rulesetNode.ensureVisibility();
rulesets.splice(0, 0, rulesetNode);
}
if (rulesets.length === 1) {
return rulesets[0];
}
return rulesets;
},
_compileRulesetPaths: function (rulesetNode) {
if (rulesetNode.paths) {
rulesetNode.paths = rulesetNode.paths
.filter(function (p) {
var i;
if (p[0].elements[0].combinator.value === ' ') {
p[0].elements[0].combinator = new (tree_1.default.Combinator)('');
}
for (i = 0; i < p.length; i++) {
if (p[i].isVisible() && p[i].getIsOutput()) {
return true;
}
}
return false;
});
}
},
_removeDuplicateRules: function (rules) {
if (!rules) {
return;
}
// remove duplicates
var ruleCache = {};
var ruleList;
var rule;
var i;
for (i = rules.length - 1; i >= 0; i--) {
rule = rules[i];
if (rule instanceof tree_1.default.Declaration) {
if (!ruleCache[rule.name]) {
ruleCache[rule.name] = rule;
}
else {
ruleList = ruleCache[rule.name];
if (ruleList instanceof tree_1.default.Declaration) {
ruleList = ruleCache[rule.name] = [ruleCache[rule.name].toCSS(this._context)];
}
var ruleCSS = rule.toCSS(this._context);
if (ruleList.indexOf(ruleCSS) !== -1) {
rules.splice(i, 1);
}
else {
ruleList.push(ruleCSS);
}
}
}
}
},
_mergeRules: function (rules) {
if (!rules) {
return;
}
var groups = {};
var groupsArr = [];
for (var i = 0; i < rules.length; i++) {
var rule = rules[i];
if (rule.merge) {
var key = rule.name;
groups[key] ? rules.splice(i--, 1) :
groupsArr.push(groups[key] = []);
groups[key].push(rule);
}
}
groupsArr.forEach(function (group) {
if (group.length > 0) {
var result_1 = group[0];
var space_1 = [];
var comma_1 = [new tree_1.default.Expression(space_1)];
group.forEach(function (rule) {
if ((rule.merge === '+') && (space_1.length > 0)) {
comma_1.push(new tree_1.default.Expression(space_1 = []));
}
space_1.push(rule.value);
result_1.important = result_1.important || rule.important;
});
result_1.value = new tree_1.default.Value(comma_1);
}
});
}
};
exports.default = ToCSSVisitor;
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