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