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-rw-r--r--node_modules/clean-css/lib/optimizer/level-2/remove-unused-at-rules.js249
1 files changed, 0 insertions, 249 deletions
diff --git a/node_modules/clean-css/lib/optimizer/level-2/remove-unused-at-rules.js b/node_modules/clean-css/lib/optimizer/level-2/remove-unused-at-rules.js
deleted file mode 100644
index 798d3939..00000000
--- a/node_modules/clean-css/lib/optimizer/level-2/remove-unused-at-rules.js
+++ /dev/null
@@ -1,249 +0,0 @@
-var populateComponents = require('./properties/populate-components');
-
-var wrapForOptimizing = require('../wrap-for-optimizing').single;
-var restoreFromOptimizing = require('../restore-from-optimizing');
-
-var Token = require('../../tokenizer/token');
-
-var animationNameRegex = /^(\-moz\-|\-o\-|\-webkit\-)?animation-name$/;
-var animationRegex = /^(\-moz\-|\-o\-|\-webkit\-)?animation$/;
-var keyframeRegex = /^@(\-moz\-|\-o\-|\-webkit\-)?keyframes /;
-var importantRegex = /\s{0,31}!important$/;
-var optionalMatchingQuotesRegex = /^(['"]?)(.*)\1$/;
-
-function normalize(value) {
- return value
- .replace(optionalMatchingQuotesRegex, '$2')
- .replace(importantRegex, '');
-}
-
-function removeUnusedAtRules(tokens, context) {
- removeUnusedAtRule(tokens, matchCounterStyle, markCounterStylesAsUsed, context);
- removeUnusedAtRule(tokens, matchFontFace, markFontFacesAsUsed, context);
- removeUnusedAtRule(tokens, matchKeyframe, markKeyframesAsUsed, context);
- removeUnusedAtRule(tokens, matchNamespace, markNamespacesAsUsed, context);
-}
-
-function removeUnusedAtRule(tokens, matchCallback, markCallback, context) {
- var atRules = {};
- var atRule;
- var atRuleTokens;
- var atRuleToken;
- var zeroAt;
- var i, l;
-
- for (i = 0, l = tokens.length; i < l; i++) {
- matchCallback(tokens[i], atRules);
- }
-
- if (Object.keys(atRules).length === 0) {
- return;
- }
-
- markUsedAtRules(tokens, markCallback, atRules, context);
-
- for (atRule in atRules) {
- atRuleTokens = atRules[atRule];
-
- for (i = 0, l = atRuleTokens.length; i < l; i++) {
- atRuleToken = atRuleTokens[i];
- zeroAt = atRuleToken[0] == Token.AT_RULE ? 1 : 2;
- atRuleToken[zeroAt] = [];
- }
- }
-}
-
-function markUsedAtRules(tokens, markCallback, atRules, context) {
- var boundMarkCallback = markCallback(atRules);
- var i, l;
-
- for (i = 0, l = tokens.length; i < l; i++) {
- switch (tokens[i][0]) {
- case Token.RULE:
- boundMarkCallback(tokens[i], context);
- break;
- case Token.NESTED_BLOCK:
- markUsedAtRules(tokens[i][2], markCallback, atRules, context);
- }
- }
-}
-
-function matchCounterStyle(token, atRules) {
- var match;
-
- if (token[0] == Token.AT_RULE_BLOCK && token[1][0][1].indexOf('@counter-style') === 0) {
- match = token[1][0][1].split(' ')[1];
- atRules[match] = atRules[match] || [];
- atRules[match].push(token);
- }
-}
-
-function markCounterStylesAsUsed(atRules) {
- return function (token, context) {
- var property;
- var wrappedProperty;
- var i, l;
-
- for (i = 0, l = token[2].length; i < l; i++) {
- property = token[2][i];
-
- if (property[1][1] == 'list-style') {
- wrappedProperty = wrapForOptimizing(property);
- populateComponents([wrappedProperty], context.validator, context.warnings);
-
- if (wrappedProperty.components[0].value[0][1] in atRules) {
- delete atRules[property[2][1]];
- }
-
- restoreFromOptimizing([wrappedProperty]);
- }
-
- if (property[1][1] == 'list-style-type' && property[2][1] in atRules) {
- delete atRules[property[2][1]];
- }
- }
- };
-}
-
-function matchFontFace(token, atRules) {
- var property;
- var match;
- var i, l;
-
- if (token[0] == Token.AT_RULE_BLOCK && token[1][0][1] == '@font-face') {
- for (i = 0, l = token[2].length; i < l; i++) {
- property = token[2][i];
-
- if (property[1][1] == 'font-family') {
- match = normalize(property[2][1].toLowerCase());
- atRules[match] = atRules[match] || [];
- atRules[match].push(token);
- break;
- }
- }
- }
-}
-
-function markFontFacesAsUsed(atRules) {
- return function (token, context) {
- var property;
- var wrappedProperty;
- var component;
- var normalizedMatch;
- var i, l;
- var j, m;
-
- for (i = 0, l = token[2].length; i < l; i++) {
- property = token[2][i];
-
- if (property[1][1] == 'font') {
- wrappedProperty = wrapForOptimizing(property);
- populateComponents([wrappedProperty], context.validator, context.warnings);
- component = wrappedProperty.components[6];
-
- for (j = 0, m = component.value.length; j < m; j++) {
- normalizedMatch = normalize(component.value[j][1].toLowerCase());
-
- if (normalizedMatch in atRules) {
- delete atRules[normalizedMatch];
- }
- }
-
- restoreFromOptimizing([wrappedProperty]);
- }
-
- if (property[1][1] == 'font-family') {
- for (j = 2, m = property.length; j < m; j++) {
- normalizedMatch = normalize(property[j][1].toLowerCase());
-
- if (normalizedMatch in atRules) {
- delete atRules[normalizedMatch];
- }
- }
- }
- }
- };
-}
-
-function matchKeyframe(token, atRules) {
- var match;
-
- if (token[0] == Token.NESTED_BLOCK && keyframeRegex.test(token[1][0][1])) {
- match = token[1][0][1].split(' ')[1];
- atRules[match] = atRules[match] || [];
- atRules[match].push(token);
- }
-}
-
-function markKeyframesAsUsed(atRules) {
- return function (token, context) {
- var property;
- var wrappedProperty;
- var component;
- var i, l;
- var j, m;
-
- for (i = 0, l = token[2].length; i < l; i++) {
- property = token[2][i];
-
- if (animationRegex.test(property[1][1])) {
- wrappedProperty = wrapForOptimizing(property);
- populateComponents([wrappedProperty], context.validator, context.warnings);
- component = wrappedProperty.components[7];
-
- for (j = 0, m = component.value.length; j < m; j++) {
- if (component.value[j][1] in atRules) {
- delete atRules[component.value[j][1]];
- }
- }
-
- restoreFromOptimizing([wrappedProperty]);
- }
-
- if (animationNameRegex.test(property[1][1])) {
- for (j = 2, m = property.length; j < m; j++) {
- if (property[j][1] in atRules) {
- delete atRules[property[j][1]];
- }
- }
- }
- }
- };
-}
-
-function matchNamespace(token, atRules) {
- var match;
-
- if (token[0] == Token.AT_RULE && token[1].indexOf('@namespace') === 0) {
- match = token[1].split(' ')[1];
- atRules[match] = atRules[match] || [];
- atRules[match].push(token);
- }
-}
-
-function markNamespacesAsUsed(atRules) {
- var namespaceRegex = new RegExp(Object.keys(atRules).join('\\\||') + '\\\|', 'g');
-
- return function (token) {
- var match;
- var scope;
- var normalizedMatch;
- var i, l;
- var j, m;
-
- for (i = 0, l = token[1].length; i < l; i++) {
- scope = token[1][i];
- match = scope[1].match(namespaceRegex);
-
- for (j = 0, m = match.length; j < m; j++) {
- normalizedMatch = match[j].substring(0, match[j].length - 1);
-
- if (normalizedMatch in atRules) {
- delete atRules[normalizedMatch];
- }
- }
- }
- };
-}
-
-module.exports = removeUnusedAtRules;
generated by cgit v1.2.3 (git 2.25.1) at 2026-10-02 19:43:22 +0000