1 | "use strict";
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2 |
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3 | Object.defineProperty(exports, "__esModule", {
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4 | value: true
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5 | });
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6 | exports.default = void 0;
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7 |
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8 | var _path = _interopRequireDefault(require("path"));
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9 |
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10 | var _postcssValueParser = _interopRequireDefault(require("postcss-value-parser"));
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11 |
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12 | var _normalizeUrl = _interopRequireDefault(require("normalize-url"));
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13 |
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14 | var _isAbsoluteUrl = _interopRequireDefault(require("is-absolute-url"));
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15 |
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16 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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17 |
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18 | const multiline = /\\[\r\n]/;
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19 |
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20 | const escapeChars = /([\s\(\)"'])/g;
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21 |
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22 | function convert(url, options) {
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23 | if ((0, _isAbsoluteUrl.default)(url) || url.startsWith('//')) {
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24 | let normalizedURL = null;
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25 |
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26 | try {
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27 | normalizedURL = (0, _normalizeUrl.default)(url, options);
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28 | } catch (e) {
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29 | normalizedURL = url;
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30 | }
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31 |
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32 | return normalizedURL;
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33 | }
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34 |
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35 |
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36 | return _path.default.normalize(url).replace(new RegExp('\\' + _path.default.sep, 'g'), '/');
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37 | }
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38 |
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39 | function transformNamespace(rule) {
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40 | rule.params = (0, _postcssValueParser.default)(rule.params).walk(node => {
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41 | if (node.type === 'function' && node.value.toLowerCase() === 'url' && node.nodes.length) {
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42 | node.type = 'string';
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43 | node.quote = node.nodes[0].quote || '"';
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44 | node.value = node.nodes[0].value;
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45 | }
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46 |
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47 | if (node.type === 'string') {
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48 | node.value = node.value.trim();
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49 | }
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50 |
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51 | return false;
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52 | }).toString();
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53 | }
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54 |
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55 | function transformDecl(decl, opts) {
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56 | decl.value = (0, _postcssValueParser.default)(decl.value).walk(node => {
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57 | if (node.type !== 'function' || node.value.toLowerCase() !== 'url') {
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58 | return false;
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59 | }
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60 |
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61 | node.before = node.after = '';
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62 |
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63 | if (!node.nodes.length) {
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64 | return false;
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65 | }
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66 |
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67 | let url = node.nodes[0];
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68 | let escaped;
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69 | url.value = url.value.trim().replace(multiline, '');
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70 |
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71 |
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72 | if (url.value.length === 0) {
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73 | url.quote = '';
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74 | return false;
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75 | }
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76 |
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77 | if (/^data:(.*)?,/i.test(url.value)) {
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78 | return false;
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79 | }
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80 |
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81 | if (!/^.+-extension:\//i.test(url.value)) {
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82 | url.value = convert(url.value, opts);
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83 | }
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84 |
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85 | if (escapeChars.test(url.value) && url.type === 'string') {
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86 | escaped = url.value.replace(escapeChars, '\\$1');
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87 |
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88 | if (escaped.length < url.value.length + 2) {
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89 | url.value = escaped;
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90 | url.type = 'word';
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91 | }
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92 | } else {
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93 | url.type = 'word';
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94 | }
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95 |
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96 | return false;
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97 | }).toString();
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98 | }
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99 |
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100 | function pluginCreator(opts) {
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101 | opts = Object.assign({}, {
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102 | normalizeProtocol: false,
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103 | stripHash: false,
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104 | stripWWW: false
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105 | }, opts);
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106 | return {
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107 | postcssPlugin: 'postcss-normalize-url',
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108 |
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109 | OnceExit(css) {
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110 | css.walk(node => {
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111 | if (node.type === 'decl') {
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112 | return transformDecl(node, opts);
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113 | } else if (node.type === 'atrule' && node.name.toLowerCase() === 'namespace') {
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114 | return transformNamespace(node);
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115 | }
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116 | });
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117 | }
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118 |
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119 | };
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120 | }
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121 |
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122 | pluginCreator.postcss = true;
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123 | var _default = pluginCreator;
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124 | exports.default = _default;
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125 | module.exports = exports.default; |
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