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 |
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7 | var _uglifyEs = require('uglify-es');
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8 |
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9 | var _uglifyEs2 = _interopRequireDefault(_uglifyEs);
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10 |
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11 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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12 |
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13 | var buildUglifyOptions = function buildUglifyOptions() {
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14 | var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
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15 | ecma = _ref.ecma,
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16 | warnings = _ref.warnings,
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17 | _ref$parse = _ref.parse,
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18 | parse = _ref$parse === undefined ? {} : _ref$parse,
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19 | _ref$compress = _ref.compress,
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20 | compress = _ref$compress === undefined ? {} : _ref$compress,
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21 | mangle = _ref.mangle,
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22 | output = _ref.output,
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23 | toplevel = _ref.toplevel,
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24 | nameCache = _ref.nameCache,
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25 | ie8 = _ref.ie8,
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26 | keep_classnames = _ref.keep_classnames,
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27 | keep_fnames = _ref.keep_fnames,
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28 | safari10 = _ref.safari10;
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29 |
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30 | return {
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31 | ecma,
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32 | warnings,
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33 | parse,
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34 | compress,
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35 | mangle: mangle == null ? true : mangle,
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36 | output: Object.assign({
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37 | shebang: true,
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38 | comments: false,
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39 | beautify: false,
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40 | semicolons: true
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41 | }, output),
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42 |
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43 | sourceMap: null,
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44 | toplevel,
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45 | nameCache,
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46 | ie8,
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47 | keep_classnames,
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48 | keep_fnames,
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49 | safari10
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50 | };
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51 | }; |
52 |
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53 |
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54 |
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55 |
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56 | var buildComments = function buildComments(options, uglifyOptions, extractedComments) {
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57 | var condition = {};
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58 | var commentsOpts = uglifyOptions.output.comments;
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59 |
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60 |
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61 | if (typeof options.extractComments === 'boolean') {
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62 | condition.preserve = commentsOpts;
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63 | condition.extract = /^\**!|@preserve|@license|@cc_on/;
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64 | } else if (typeof options.extractComments === 'string' || options.extractComments instanceof RegExp) {
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65 |
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66 | condition.preserve = commentsOpts;
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67 | condition.extract = options.extractComments;
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68 | } else if (typeof options.extractComments === 'function') {
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69 | condition.preserve = false;
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70 | condition.extract = options.extractComments;
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71 | } else if (Object.prototype.hasOwnProperty.call(options.extractComments, 'condition')) {
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72 |
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73 | condition.preserve = commentsOpts;
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74 | condition.extract = options.extractComments.condition;
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75 | } else {
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76 |
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77 | condition.preserve = false;
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78 | condition.extract = commentsOpts;
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79 | }
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80 |
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81 |
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82 | ['preserve', 'extract'].forEach(function (key) {
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83 | var regexStr = void 0;
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84 | var regex = void 0;
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85 |
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86 | switch (typeof condition[key]) {
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87 | case 'boolean':
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88 | condition[key] = condition[key] ? function () {
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89 | return true;
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90 | } : function () {
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91 | return false;
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92 | };
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93 |
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94 | break;
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95 | case 'function':
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96 | break;
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97 | case 'string':
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98 | if (condition[key] === 'all') {
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99 | condition[key] = function () {
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100 | return true;
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101 | };
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102 |
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103 | break;
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104 | }
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105 |
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106 | if (condition[key] === 'some') {
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107 | condition[key] = function (astNode, comment) {
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108 | return comment.type === 'comment2' && /@preserve|@license|@cc_on/i.test(comment.value);
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109 | };
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110 |
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111 | break;
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112 | }
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113 |
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114 | regexStr = condition[key];
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115 |
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116 | condition[key] = function (astNode, comment) {
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117 | return new RegExp(regexStr).test(comment.value);
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118 | };
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119 |
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120 | break;
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121 | default:
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122 | regex = condition[key];
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123 |
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124 | condition[key] = function (astNode, comment) {
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125 | return regex.test(comment.value);
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126 | };
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127 | }
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128 | });
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129 |
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130 |
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131 |
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132 | return function (astNode, comment) {
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133 | if (condition.extract(astNode, comment)) {
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134 | extractedComments.push(comment.type === 'comment2' ? `/*${comment.value}*/` : `//${comment.value}`);
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135 | }
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136 |
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137 | return condition.preserve(astNode, comment);
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138 | };
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139 | };
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140 |
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141 | var minify = function minify(options) {
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142 | var file = options.file,
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143 | input = options.input,
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144 | inputSourceMap = options.inputSourceMap,
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145 | extractComments = options.extractComments;
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146 |
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147 |
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148 | var uglifyOptions = buildUglifyOptions(options.uglifyOptions);
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149 |
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150 |
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151 | if (inputSourceMap) {
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152 | uglifyOptions.sourceMap = {
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153 | content: inputSourceMap
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154 | };
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155 | }
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156 |
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157 | var extractedComments = [];
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158 |
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159 | if (extractComments) {
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160 | uglifyOptions.output.comments = buildComments(options, uglifyOptions, extractedComments);
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161 | }
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162 |
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163 | var _uglify$minify = _uglifyEs2.default.minify({ [file]: input }, uglifyOptions),
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164 | error = _uglify$minify.error,
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165 | map = _uglify$minify.map,
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166 | code = _uglify$minify.code,
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167 | warnings = _uglify$minify.warnings;
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168 |
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169 | return { error, map, code, warnings, extractedComments };
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170 | };
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171 |
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172 | exports.default = minify; |
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