1 | "use strict";
|
2 |
|
3 | Object.defineProperty(exports, "__esModule", {
|
4 | value: true
|
5 | });
|
6 | exports.revert = revert;
|
7 | exports.default = register;
|
8 |
|
9 | var _cloneDeep = _interopRequireDefault(require("lodash/cloneDeep"));
|
10 |
|
11 | var _sourceMapSupport = _interopRequireDefault(require("source-map-support"));
|
12 |
|
13 | var registerCache = _interopRequireWildcard(require("./cache"));
|
14 |
|
15 | var _escapeRegExp = _interopRequireDefault(require("lodash/escapeRegExp"));
|
16 |
|
17 | var babel = _interopRequireWildcard(require("@babel/core"));
|
18 |
|
19 | var _pirates = require("pirates");
|
20 |
|
21 | var _fs = _interopRequireDefault(require("fs"));
|
22 |
|
23 | var _path = _interopRequireDefault(require("path"));
|
24 |
|
25 | function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
|
26 |
|
27 | function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; if (obj != null) { var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
|
28 |
|
29 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
|
30 |
|
31 | const maps = {};
|
32 | let transformOpts = {};
|
33 | let piratesRevert = null;
|
34 |
|
35 | function installSourceMapSupport() {
|
36 | _sourceMapSupport.default.install({
|
37 | handleUncaughtExceptions: false,
|
38 | environment: "node",
|
39 |
|
40 | retrieveSourceMap(source) {
|
41 | const map = maps && maps[source];
|
42 |
|
43 | if (map) {
|
44 | return {
|
45 | url: null,
|
46 | map: map
|
47 | };
|
48 | } else {
|
49 | return null;
|
50 | }
|
51 | }
|
52 |
|
53 | });
|
54 | }
|
55 |
|
56 | let cache;
|
57 |
|
58 | function mtime(filename) {
|
59 | return +_fs.default.statSync(filename).mtime;
|
60 | }
|
61 |
|
62 | function compile(code, filename) {
|
63 | const opts = new babel.OptionManager().init(Object.assign({
|
64 | sourceRoot: _path.default.dirname(filename)
|
65 | }, (0, _cloneDeep.default)(transformOpts), {
|
66 | filename
|
67 | }));
|
68 | if (opts === null) return code;
|
69 | let cacheKey = `${JSON.stringify(opts)}:${babel.version}`;
|
70 | const env = babel.getEnv(false);
|
71 | if (env) cacheKey += `:${env}`;
|
72 | let cached = cache && cache[cacheKey];
|
73 |
|
74 | if (!cached || cached.mtime !== mtime(filename)) {
|
75 | cached = babel.transform(code, Object.assign({}, opts, {
|
76 | sourceMaps: opts.sourceMaps === undefined ? "both" : opts.sourceMaps,
|
77 | ast: false
|
78 | }));
|
79 |
|
80 | if (cache) {
|
81 | cache[cacheKey] = cached;
|
82 | cached.mtime = mtime(filename);
|
83 | }
|
84 | }
|
85 |
|
86 | if (cached.map) {
|
87 | if (Object.keys(maps).length === 0) {
|
88 | installSourceMapSupport();
|
89 | }
|
90 |
|
91 | maps[filename] = cached.map;
|
92 | }
|
93 |
|
94 | return cached.code;
|
95 | }
|
96 |
|
97 | let compiling = false;
|
98 |
|
99 | function compileHook(code, filename) {
|
100 | if (compiling) return code;
|
101 |
|
102 | try {
|
103 | compiling = true;
|
104 | return compile(code, filename);
|
105 | } finally {
|
106 | compiling = false;
|
107 | }
|
108 | }
|
109 |
|
110 | function hookExtensions(exts) {
|
111 | if (piratesRevert) piratesRevert();
|
112 | piratesRevert = (0, _pirates.addHook)(compileHook, {
|
113 | exts,
|
114 | ignoreNodeModules: false
|
115 | });
|
116 | }
|
117 |
|
118 | function revert() {
|
119 | if (piratesRevert) piratesRevert();
|
120 | }
|
121 |
|
122 | register();
|
123 |
|
124 | function register(opts = {}) {
|
125 | opts = Object.assign({}, opts);
|
126 | hookExtensions(opts.extensions || babel.DEFAULT_EXTENSIONS);
|
127 |
|
128 | if (opts.cache === false && cache) {
|
129 | registerCache.clear();
|
130 | cache = null;
|
131 | } else if (opts.cache !== false && !cache) {
|
132 | registerCache.load();
|
133 | cache = registerCache.get();
|
134 | }
|
135 |
|
136 | delete opts.extensions;
|
137 | delete opts.cache;
|
138 | transformOpts = Object.assign({}, opts, {
|
139 | caller: Object.assign({
|
140 | name: "@babel/register"
|
141 | }, opts.caller || {})
|
142 | });
|
143 | let {
|
144 | cwd = "."
|
145 | } = transformOpts;
|
146 | cwd = transformOpts.cwd = _path.default.resolve(cwd);
|
147 |
|
148 | if (transformOpts.ignore === undefined && transformOpts.only === undefined) {
|
149 | transformOpts.only = [new RegExp("^" + (0, _escapeRegExp.default)(cwd), "i")];
|
150 | transformOpts.ignore = [new RegExp("^" + (0, _escapeRegExp.default)(cwd) + "(?:" + _path.default.sep + ".*)?" + (0, _escapeRegExp.default)(_path.default.sep + "node_modules" + _path.default.sep), "i")];
|
151 | }
|
152 | } |
\ | No newline at end of file |