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Diffstat (limited to 'node_modules/clean-css/lib/optimizer/level-1/tidy-rules.js')
-rw-r--r--node_modules/clean-css/lib/optimizer/level-1/tidy-rules.js213
1 files changed, 0 insertions, 213 deletions
diff --git a/node_modules/clean-css/lib/optimizer/level-1/tidy-rules.js b/node_modules/clean-css/lib/optimizer/level-1/tidy-rules.js
deleted file mode 100644
index d046d0ef..00000000
--- a/node_modules/clean-css/lib/optimizer/level-1/tidy-rules.js
+++ /dev/null
@@ -1,213 +0,0 @@
-var Spaces = require('../../options/format').Spaces;
-var Marker = require('../../tokenizer/marker');
-var formatPosition = require('../../utils/format-position');
-
-var CASE_ATTRIBUTE_PATTERN = /[\s"'][iI]\s*\]/;
-var CASE_RESTORE_PATTERN = /([\d\w])([iI])\]/g;
-var DOUBLE_QUOTE_CASE_PATTERN = /="([a-zA-Z][a-zA-Z\d\-_]+)"([iI])/g;
-var DOUBLE_QUOTE_PATTERN = /="([a-zA-Z][a-zA-Z\d\-_]+)"(\s|\])/g;
-var HTML_COMMENT_PATTERN = /^(?:(?:<!--|-->)\s*)+/;
-var SINGLE_QUOTE_CASE_PATTERN = /='([a-zA-Z][a-zA-Z\d\-_]+)'([iI])/g;
-var SINGLE_QUOTE_PATTERN = /='([a-zA-Z][a-zA-Z\d\-_]+)'(\s|\])/g;
-var RELATION_PATTERN = /[>\+~]/;
-var WHITESPACE_PATTERN = /\s/;
-
-var ASTERISK_PLUS_HTML_HACK = '*+html ';
-var ASTERISK_FIRST_CHILD_PLUS_HTML_HACK = '*:first-child+html ';
-var LESS_THAN = '<';
-
-function hasInvalidCharacters(value) {
- var isEscaped;
- var isInvalid = false;
- var character;
- var isQuote = false;
- var i, l;
-
- for (i = 0, l = value.length; i < l; i++) {
- character = value[i];
-
- if (isEscaped) {
- // continue as always
- } else if (character == Marker.SINGLE_QUOTE || character == Marker.DOUBLE_QUOTE) {
- isQuote = !isQuote;
- } else if (!isQuote && (character == Marker.CLOSE_CURLY_BRACKET || character == Marker.EXCLAMATION || character == LESS_THAN || character == Marker.SEMICOLON)) {
- isInvalid = true;
- break;
- } else if (!isQuote && i === 0 && RELATION_PATTERN.test(character)) {
- isInvalid = true;
- break;
- }
-
- isEscaped = character == Marker.BACK_SLASH;
- }
-
- return isInvalid;
-}
-
-function removeWhitespace(value, format) {
- var stripped = [];
- var character;
- var isNewLineNix;
- var isNewLineWin;
- var isEscaped;
- var wasEscaped;
- var isQuoted;
- var isSingleQuoted;
- var isDoubleQuoted;
- var isAttribute;
- var isRelation;
- var isWhitespace;
- var roundBracketLevel = 0;
- var wasRelation = false;
- var wasWhitespace = false;
- var withCaseAttribute = CASE_ATTRIBUTE_PATTERN.test(value);
- var spaceAroundRelation = format && format.spaces[Spaces.AroundSelectorRelation];
- var i, l;
-
- for (i = 0, l = value.length; i < l; i++) {
- character = value[i];
-
- isNewLineNix = character == Marker.NEW_LINE_NIX;
- isNewLineWin = character == Marker.NEW_LINE_NIX && value[i - 1] == Marker.CARRIAGE_RETURN;
- isQuoted = isSingleQuoted || isDoubleQuoted;
- isRelation = !isAttribute && !isEscaped && roundBracketLevel === 0 && RELATION_PATTERN.test(character);
- isWhitespace = WHITESPACE_PATTERN.test(character);
-
- if (wasEscaped && isQuoted && isNewLineWin) {
- // swallow escaped new windows lines in comments
- stripped.pop();
- stripped.pop();
- } else if (isEscaped && isQuoted && isNewLineNix) {
- // swallow escaped new *nix lines in comments
- stripped.pop();
- } else if (isEscaped) {
- stripped.push(character);
- } else if (character == Marker.OPEN_SQUARE_BRACKET && !isQuoted) {
- stripped.push(character);
- isAttribute = true;
- } else if (character == Marker.CLOSE_SQUARE_BRACKET && !isQuoted) {
- stripped.push(character);
- isAttribute = false;
- } else if (character == Marker.OPEN_ROUND_BRACKET && !isQuoted) {
- stripped.push(character);
- roundBracketLevel++;
- } else if (character == Marker.CLOSE_ROUND_BRACKET && !isQuoted) {
- stripped.push(character);
- roundBracketLevel--;
- } else if (character == Marker.SINGLE_QUOTE && !isQuoted) {
- stripped.push(character);
- isSingleQuoted = true;
- } else if (character == Marker.DOUBLE_QUOTE && !isQuoted) {
- stripped.push(character);
- isDoubleQuoted = true;
- } else if (character == Marker.SINGLE_QUOTE && isQuoted) {
- stripped.push(character);
- isSingleQuoted = false;
- } else if (character == Marker.DOUBLE_QUOTE && isQuoted) {
- stripped.push(character);
- isDoubleQuoted = false;
- } else if (isWhitespace && wasRelation && !spaceAroundRelation) {
- continue;
- } else if (!isWhitespace && wasRelation && spaceAroundRelation) {
- stripped.push(Marker.SPACE);
- stripped.push(character);
- } else if (isWhitespace && (isAttribute || roundBracketLevel > 0) && !isQuoted) {
- // skip space
- } else if (isWhitespace && wasWhitespace && !isQuoted) {
- // skip extra space
- } else if ((isNewLineWin || isNewLineNix) && (isAttribute || roundBracketLevel > 0) && isQuoted) {
- // skip newline
- } else if (isRelation && wasWhitespace && !spaceAroundRelation) {
- stripped.pop();
- stripped.push(character);
- } else if (isRelation && !wasWhitespace && spaceAroundRelation) {
- stripped.push(Marker.SPACE);
- stripped.push(character);
- } else if (isWhitespace) {
- stripped.push(Marker.SPACE);
- } else {
- stripped.push(character);
- }
-
- wasEscaped = isEscaped;
- isEscaped = character == Marker.BACK_SLASH;
- wasRelation = isRelation;
- wasWhitespace = isWhitespace;
- }
-
- return withCaseAttribute ?
- stripped.join('').replace(CASE_RESTORE_PATTERN, '$1 $2]') :
- stripped.join('');
-}
-
-function removeQuotes(value) {
- if (value.indexOf('\'') == -1 && value.indexOf('"') == -1) {
- return value;
- }
-
- return value
- .replace(SINGLE_QUOTE_CASE_PATTERN, '=$1 $2')
- .replace(SINGLE_QUOTE_PATTERN, '=$1$2')
- .replace(DOUBLE_QUOTE_CASE_PATTERN, '=$1 $2')
- .replace(DOUBLE_QUOTE_PATTERN, '=$1$2');
-}
-
-function tidyRules(rules, removeUnsupported, adjacentSpace, format, warnings) {
- var list = [];
- var repeated = [];
-
- function removeHTMLComment(rule, match) {
- warnings.push('HTML comment \'' + match + '\' at ' + formatPosition(rule[2][0]) + '. Removing.');
- return '';
- }
-
- for (var i = 0, l = rules.length; i < l; i++) {
- var rule = rules[i];
- var reduced = rule[1];
-
- reduced = reduced.replace(HTML_COMMENT_PATTERN, removeHTMLComment.bind(null, rule));
-
- if (hasInvalidCharacters(reduced)) {
- warnings.push('Invalid selector \'' + rule[1] + '\' at ' + formatPosition(rule[2][0]) + '. Ignoring.');
- continue;
- }
-
- reduced = removeWhitespace(reduced, format);
- reduced = removeQuotes(reduced);
-
- if (adjacentSpace && reduced.indexOf('nav') > 0) {
- reduced = reduced.replace(/\+nav(\S|$)/, '+ nav$1');
- }
-
- if (removeUnsupported && reduced.indexOf(ASTERISK_PLUS_HTML_HACK) > -1) {
- continue;
- }
-
- if (removeUnsupported && reduced.indexOf(ASTERISK_FIRST_CHILD_PLUS_HTML_HACK) > -1) {
- continue;
- }
-
- if (reduced.indexOf('*') > -1) {
- reduced = reduced
- .replace(/\*([:#\.\[])/g, '$1')
- .replace(/^(\:first\-child)?\+html/, '*$1+html');
- }
-
- if (repeated.indexOf(reduced) > -1) {
- continue;
- }
-
- rule[1] = reduced;
- repeated.push(reduced);
- list.push(rule);
- }
-
- if (list.length == 1 && list[0][1].length === 0) {
- warnings.push('Empty selector \'' + list[0][1] + '\' at ' + formatPosition(list[0][2][0]) + '. Ignoring.');
- list = [];
- }
-
- return list;
-}
-
-module.exports = tidyRules;
generated by cgit v1.2.3 (git 2.25.1) at 2026-10-02 13:44:52 +0000