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- "use strict";
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.default = void 0;
- var _terser = require("terser");
- function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
- function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
- function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
- function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == typeof i ? i : i + ""; }
- function _toPrimitive(t, r) { if ("object" != typeof t || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != typeof i) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); } /* eslint-disable
- arrow-body-style
- */
- const buildTerserOptions = ({
- ecma,
- warnings,
- parse = {},
- compress = {},
- mangle,
- module,
- output,
- toplevel,
- nameCache,
- ie8,
- /* eslint-disable camelcase */
- keep_classnames,
- keep_fnames,
- /* eslint-enable camelcase */
- safari10
- } = {}) => ({
- ecma,
- warnings,
- parse: _objectSpread({}, parse),
- compress: typeof compress === 'boolean' ? compress : _objectSpread({}, compress),
- // eslint-disable-next-line no-nested-ternary
- mangle: mangle == null ? true : typeof mangle === 'boolean' ? mangle : _objectSpread({}, mangle),
- output: _objectSpread({
- shebang: true,
- comments: false,
- beautify: false,
- semicolons: true
- }, output),
- module,
- // Ignoring sourceMap from options
- sourceMap: null,
- toplevel,
- nameCache,
- ie8,
- keep_classnames,
- keep_fnames,
- safari10
- });
- const buildComments = (options, terserOptions, extractedComments) => {
- const condition = {};
- const commentsOpts = terserOptions.output.comments;
- // Use /^\**!|@preserve|@license|@cc_on/i RegExp
- if (typeof options.extractComments === 'boolean') {
- condition.preserve = commentsOpts;
- condition.extract = /^\**!|@preserve|@license|@cc_on/i;
- } 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 = commentsOpts;
- 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(key => {
- let regexStr;
- let regex;
- switch (typeof condition[key]) {
- case 'boolean':
- condition[key] = condition[key] ? () => true : () => false;
- break;
- case 'function':
- break;
- case 'string':
- if (condition[key] === 'all') {
- condition[key] = () => true;
- break;
- }
- if (condition[key] === 'some') {
- condition[key] = (astNode, comment) => {
- return comment.type === 'comment2' && /^\**!|@preserve|@license|@cc_on/i.test(comment.value);
- };
- break;
- }
- regexStr = condition[key];
- condition[key] = (astNode, comment) => {
- return new RegExp(regexStr).test(comment.value);
- };
- break;
- default:
- regex = condition[key];
- condition[key] = (astNode, comment) => regex.test(comment.value);
- }
- });
- // Redefine the comments function to extract and preserve
- // comments according to the two conditions
- return (astNode, comment) => {
- if (condition.extract(astNode, comment)) {
- const commentText = comment.type === 'comment2' ? `/*${comment.value}*/` : `//${comment.value}`;
- // Don't include duplicate comments
- if (!extractedComments.includes(commentText)) {
- extractedComments.push(commentText);
- }
- }
- return condition.preserve(astNode, comment);
- };
- };
- const minify = options => {
- const {
- file,
- input,
- inputSourceMap,
- extractComments,
- minify: minifyFn
- } = options;
- if (minifyFn) {
- return minifyFn({
- [file]: input
- }, inputSourceMap);
- }
- // Copy terser options
- const terserOptions = buildTerserOptions(options.terserOptions);
- // Let terser generate a SourceMap
- if (inputSourceMap) {
- terserOptions.sourceMap = true;
- }
- const extractedComments = [];
- if (extractComments) {
- terserOptions.output.comments = buildComments(options, terserOptions, extractedComments);
- }
- const {
- error,
- map,
- code,
- warnings
- } = (0, _terser.minify)({
- [file]: input
- }, terserOptions);
- return {
- error,
- map,
- code,
- warnings,
- extractedComments
- };
- };
- var _default = exports.default = minify;
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