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101 lines
2.5 KiB
101 lines
2.5 KiB
var extractImportUrlAndMedia = require('./extract-import-url-and-media');
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var restoreImport = require('./restore-import');
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var rewriteUrl = require('./rewrite-url');
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var Token = require('../tokenizer/token');
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var isImport = require('../utils/is-import');
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var SOURCE_MAP_COMMENT_PATTERN = /^\/\*# sourceMappingURL=(\S+) \*\/$/;
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function rebase(tokens, rebaseAll, validator, rebaseConfig) {
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return rebaseAll ?
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rebaseEverything(tokens, validator, rebaseConfig) :
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rebaseAtRules(tokens, validator, rebaseConfig);
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}
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function rebaseEverything(tokens, validator, rebaseConfig) {
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var token;
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var i, l;
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for (i = 0, l = tokens.length; i < l; i++) {
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token = tokens[i];
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switch (token[0]) {
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case Token.AT_RULE:
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rebaseAtRule(token, validator, rebaseConfig);
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break;
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case Token.AT_RULE_BLOCK:
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rebaseProperties(token[2], validator, rebaseConfig);
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break;
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case Token.COMMENT:
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rebaseSourceMapComment(token, rebaseConfig);
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break;
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case Token.NESTED_BLOCK:
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rebaseEverything(token[2], validator, rebaseConfig);
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break;
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case Token.RULE:
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rebaseProperties(token[2], validator, rebaseConfig);
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break;
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}
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}
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return tokens;
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}
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function rebaseAtRules(tokens, validator, rebaseConfig) {
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var token;
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var i, l;
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for (i = 0, l = tokens.length; i < l; i++) {
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token = tokens[i];
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switch (token[0]) {
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case Token.AT_RULE:
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rebaseAtRule(token, validator, rebaseConfig);
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break;
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}
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}
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return tokens;
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}
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function rebaseAtRule(token, validator, rebaseConfig) {
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if (!isImport(token[1])) {
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return;
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}
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var uriAndMediaQuery = extractImportUrlAndMedia(token[1]);
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var newUrl = rewriteUrl(uriAndMediaQuery[0], rebaseConfig);
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var mediaQuery = uriAndMediaQuery[1];
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token[1] = restoreImport(newUrl, mediaQuery);
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}
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function rebaseSourceMapComment(token, rebaseConfig) {
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var matches = SOURCE_MAP_COMMENT_PATTERN.exec(token[1]);
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if (matches && matches[1].indexOf('data:') === -1) {
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token[1] = token[1].replace(matches[1], rewriteUrl(matches[1], rebaseConfig, true));
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}
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}
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function rebaseProperties(properties, validator, rebaseConfig) {
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var property;
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var value;
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var i, l;
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var j, m;
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for (i = 0, l = properties.length; i < l; i++) {
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property = properties[i];
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for (j = 2 /* 0 is Token.PROPERTY, 1 is name */, m = property.length; j < m; j++) {
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value = property[j][1];
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if (validator.isUrl(value)) {
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property[j][1] = rewriteUrl(value, rebaseConfig);
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}
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}
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}
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}
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module.exports = rebase;
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