chushihua

node_modules/uglifyjs-webpack-plugin/dist/uglify/minify.js

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+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _uglifyEs = require('uglify-es');
+
+var _uglifyEs2 = _interopRequireDefault(_uglifyEs);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var buildUglifyOptions = function buildUglifyOptions() {
+  var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
+      ecma = _ref.ecma,
+      warnings = _ref.warnings,
+      _ref$parse = _ref.parse,
+      parse = _ref$parse === undefined ? {} : _ref$parse,
+      _ref$compress = _ref.compress,
+      compress = _ref$compress === undefined ? {} : _ref$compress,
+      mangle = _ref.mangle,
+      output = _ref.output,
+      toplevel = _ref.toplevel,
+      nameCache = _ref.nameCache,
+      ie8 = _ref.ie8,
+      keep_classnames = _ref.keep_classnames,
+      keep_fnames = _ref.keep_fnames,
+      safari10 = _ref.safari10;
+
+  return {
+    ecma,
+    warnings,
+    parse: Object.assign({}, parse),
+    compress: typeof compress === 'boolean' ? compress : Object.assign({}, compress),
+    // eslint-disable-next-line no-nested-ternary
+    mangle: mangle == null ? true : typeof mangle === 'boolean' ? mangle : Object.assign({}, mangle),
+    output: Object.assign({
+      shebang: true,
+      comments: false,
+      beautify: false,
+      semicolons: true
+    }, output),
+    // Ignoring sourceMap from options
+    sourceMap: null,
+    toplevel,
+    nameCache,
+    ie8,
+    keep_classnames,
+    keep_fnames,
+    safari10
+  };
+}; /* eslint-disable
+     arrow-body-style
+   */
+
+
+var buildComments = function buildComments(options, uglifyOptions, extractedComments) {
+  var condition = {};
+  var commentsOpts = uglifyOptions.output.comments;
+
+  // /^\**!|@preserve|@license|@cc_on/
+  if (typeof options.extractComments === 'boolean') {
+    condition.preserve = commentsOpts;
+    condition.extract = /^\**!|@preserve|@license|@cc_on/;
+  } else if (typeof options.extractComments === 'string' || options.extractComments instanceof RegExp) {
+    // extractComments specifies the extract condition and commentsOpts specifies the preserve condition
+    condition.preserve = commentsOpts;
+    condition.extract = options.extractComments;
+  } else if (typeof options.extractComments === 'function') {
+    condition.preserve = false;
+    condition.extract = options.extractComments;
+  } else if (Object.prototype.hasOwnProperty.call(options.extractComments, 'condition')) {
+    // Extract condition is given in extractComments.condition
+    condition.preserve = commentsOpts;
+    condition.extract = options.extractComments.condition;
+  } else {
+    // No extract condition is given. Extract comments that match commentsOpts instead of preserving them
+    condition.preserve = false;
+    condition.extract = commentsOpts;
+  }
+
+  // Ensure that both conditions are functions
+  ['preserve', 'extract'].forEach(function (key) {
+    var regexStr = void 0;
+    var regex = void 0;
+
+    switch (typeof condition[key]) {
+      case 'boolean':
+        condition[key] = condition[key] ? function () {
+          return true;
+        } : function () {
+          return false;
+        };
+
+        break;
+      case 'function':
+        break;
+      case 'string':
+        if (condition[key] === 'all') {
+          condition[key] = function () {
+            return true;
+          };
+
+          break;
+        }
+
+        if (condition[key] === 'some') {
+          condition[key] = function (astNode, comment) {
+            return comment.type === 'comment2' && /@preserve|@license|@cc_on/i.test(comment.value);
+          };
+
+          break;
+        }
+
+        regexStr = condition[key];
+
+        condition[key] = function (astNode, comment) {
+          return new RegExp(regexStr).test(comment.value);
+        };
+
+        break;
+      default:
+        regex = condition[key];
+
+        condition[key] = function (astNode, comment) {
+          return regex.test(comment.value);
+        };
+    }
+  });
+
+  // Redefine the comments function to extract and preserve
+  // comments according to the two conditions
+  return function (astNode, comment) {
+    if (condition.extract(astNode, comment)) {
+      extractedComments.push(comment.type === 'comment2' ? `/*${comment.value}*/` : `//${comment.value}`);
+    }
+
+    return condition.preserve(astNode, comment);
+  };
+};
+
+var minify = function minify(options) {
+  var file = options.file,
+      input = options.input,
+      inputSourceMap = options.inputSourceMap,
+      extractComments = options.extractComments,
+      minifyFn = options.minify;
+
+
+  if (minifyFn) {
+    return minifyFn({ [file]: input }, inputSourceMap);
+  }
+
+  // Copy uglify options
+  var uglifyOptions = buildUglifyOptions(options.uglifyOptions);
+
+  // Add source map data
+  if (inputSourceMap) {
+    uglifyOptions.sourceMap = {
+      content: inputSourceMap
+    };
+  }
+
+  var extractedComments = [];
+
+  if (extractComments) {
+    uglifyOptions.output.comments = buildComments(options, uglifyOptions, extractedComments);
+  }
+
+  var _uglify$minify = _uglifyEs2.default.minify({ [file]: input }, uglifyOptions),
+      error = _uglify$minify.error,
+      map = _uglify$minify.map,
+      code = _uglify$minify.code,
+      warnings = _uglify$minify.warnings;
+
+  return { error, map, code, warnings, extractedComments };
+};
+
+exports.default = minify;