source: trip-planner-front/node_modules/webpack/lib/library/UmdLibraryPlugin.js@ 59329aa

Last change on this file since 59329aa was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit
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1/*
2 MIT License http://www.opensource.org/licenses/mit-license.php
3 Author Tobias Koppers @sokra
4*/
5
6"use strict";
7
8const { ConcatSource, OriginalSource } = require("webpack-sources");
9const ExternalModule = require("../ExternalModule");
10const Template = require("../Template");
11const AbstractLibraryPlugin = require("./AbstractLibraryPlugin");
12
13/** @typedef {import("webpack-sources").Source} Source */
14/** @typedef {import("../../declarations/WebpackOptions").LibraryCustomUmdCommentObject} LibraryCustomUmdCommentObject */
15/** @typedef {import("../../declarations/WebpackOptions").LibraryCustomUmdObject} LibraryCustomUmdObject */
16/** @typedef {import("../../declarations/WebpackOptions").LibraryName} LibraryName */
17/** @typedef {import("../../declarations/WebpackOptions").LibraryOptions} LibraryOptions */
18/** @typedef {import("../../declarations/WebpackOptions").LibraryType} LibraryType */
19/** @typedef {import("../Compiler")} Compiler */
20/** @typedef {import("../javascript/JavascriptModulesPlugin").RenderContext} RenderContext */
21/** @typedef {import("../util/Hash")} Hash */
22/** @template T @typedef {import("./AbstractLibraryPlugin").LibraryContext<T>} LibraryContext<T> */
23
24/**
25 * @param {string[]} accessor the accessor to convert to path
26 * @returns {string} the path
27 */
28const accessorToObjectAccess = accessor => {
29 return accessor.map(a => `[${JSON.stringify(a)}]`).join("");
30};
31
32/**
33 * @param {string|undefined} base the path prefix
34 * @param {string|string[]} accessor the accessor
35 * @param {string=} joinWith the element separator
36 * @returns {string} the path
37 */
38const accessorAccess = (base, accessor, joinWith = ", ") => {
39 const accessors = Array.isArray(accessor) ? accessor : [accessor];
40 return accessors
41 .map((_, idx) => {
42 const a = base
43 ? base + accessorToObjectAccess(accessors.slice(0, idx + 1))
44 : accessors[0] + accessorToObjectAccess(accessors.slice(1, idx + 1));
45 if (idx === accessors.length - 1) return a;
46 if (idx === 0 && base === undefined)
47 return `${a} = typeof ${a} === "object" ? ${a} : {}`;
48 return `${a} = ${a} || {}`;
49 })
50 .join(joinWith);
51};
52
53/** @typedef {string | string[] | LibraryCustomUmdObject} UmdLibraryPluginName */
54
55/**
56 * @typedef {Object} UmdLibraryPluginOptions
57 * @property {LibraryType} type
58 * @property {boolean=} optionalAmdExternalAsGlobal
59 */
60
61/**
62 * @typedef {Object} UmdLibraryPluginParsed
63 * @property {string | string[]} name
64 * @property {LibraryCustomUmdObject} names
65 * @property {string | LibraryCustomUmdCommentObject} auxiliaryComment
66 * @property {boolean} namedDefine
67 */
68
69/**
70 * @typedef {UmdLibraryPluginParsed} T
71 * @extends {AbstractLibraryPlugin<UmdLibraryPluginParsed>}
72 */
73class UmdLibraryPlugin extends AbstractLibraryPlugin {
74 /**
75 * @param {UmdLibraryPluginOptions} options the plugin option
76 */
77 constructor(options) {
78 super({
79 pluginName: "UmdLibraryPlugin",
80 type: options.type
81 });
82
83 this.optionalAmdExternalAsGlobal = options.optionalAmdExternalAsGlobal;
84 }
85
86 /**
87 * @param {LibraryOptions} library normalized library option
88 * @returns {T | false} preprocess as needed by overriding
89 */
90 parseOptions(library) {
91 /** @type {LibraryName} */
92 let name;
93 /** @type {LibraryCustomUmdObject} */
94 let names;
95 if (typeof library.name === "object" && !Array.isArray(library.name)) {
96 name = library.name.root || library.name.amd || library.name.commonjs;
97 names = library.name;
98 } else {
99 name = library.name;
100 const singleName = Array.isArray(name) ? name[0] : name;
101 names = {
102 commonjs: singleName,
103 root: library.name,
104 amd: singleName
105 };
106 }
107 return {
108 name,
109 names,
110 auxiliaryComment: library.auxiliaryComment,
111 namedDefine: library.umdNamedDefine
112 };
113 }
114
115 /**
116 * @param {Source} source source
117 * @param {RenderContext} renderContext render context
118 * @param {LibraryContext<T>} libraryContext context
119 * @returns {Source} source with library export
120 */
121 render(
122 source,
123 { chunkGraph, runtimeTemplate, chunk, moduleGraph },
124 { options, compilation }
125 ) {
126 const modules = chunkGraph
127 .getChunkModules(chunk)
128 .filter(
129 m =>
130 m instanceof ExternalModule &&
131 (m.externalType === "umd" || m.externalType === "umd2")
132 );
133 let externals = /** @type {ExternalModule[]} */ (modules);
134 /** @type {ExternalModule[]} */
135 const optionalExternals = [];
136 /** @type {ExternalModule[]} */
137 let requiredExternals = [];
138 if (this.optionalAmdExternalAsGlobal) {
139 for (const m of externals) {
140 if (m.isOptional(moduleGraph)) {
141 optionalExternals.push(m);
142 } else {
143 requiredExternals.push(m);
144 }
145 }
146 externals = requiredExternals.concat(optionalExternals);
147 } else {
148 requiredExternals = externals;
149 }
150
151 const replaceKeys = str => {
152 return compilation.getPath(str, {
153 chunk
154 });
155 };
156
157 const externalsDepsArray = modules => {
158 return `[${replaceKeys(
159 modules
160 .map(m =>
161 JSON.stringify(
162 typeof m.request === "object" ? m.request.amd : m.request
163 )
164 )
165 .join(", ")
166 )}]`;
167 };
168
169 const externalsRootArray = modules => {
170 return replaceKeys(
171 modules
172 .map(m => {
173 let request = m.request;
174 if (typeof request === "object") request = request.root;
175 return `root${accessorToObjectAccess([].concat(request))}`;
176 })
177 .join(", ")
178 );
179 };
180
181 const externalsRequireArray = type => {
182 return replaceKeys(
183 externals
184 .map(m => {
185 let expr;
186 let request = m.request;
187 if (typeof request === "object") {
188 request = request[type];
189 }
190 if (request === undefined) {
191 throw new Error(
192 "Missing external configuration for type:" + type
193 );
194 }
195 if (Array.isArray(request)) {
196 expr = `require(${JSON.stringify(
197 request[0]
198 )})${accessorToObjectAccess(request.slice(1))}`;
199 } else {
200 expr = `require(${JSON.stringify(request)})`;
201 }
202 if (m.isOptional(moduleGraph)) {
203 expr = `(function webpackLoadOptionalExternalModule() { try { return ${expr}; } catch(e) {} }())`;
204 }
205 return expr;
206 })
207 .join(", ")
208 );
209 };
210
211 const externalsArguments = modules => {
212 return modules
213 .map(
214 m =>
215 `__WEBPACK_EXTERNAL_MODULE_${Template.toIdentifier(
216 `${chunkGraph.getModuleId(m)}`
217 )}__`
218 )
219 .join(", ");
220 };
221
222 const libraryName = library => {
223 return JSON.stringify(replaceKeys([].concat(library).pop()));
224 };
225
226 let amdFactory;
227 if (optionalExternals.length > 0) {
228 const wrapperArguments = externalsArguments(requiredExternals);
229 const factoryArguments =
230 requiredExternals.length > 0
231 ? externalsArguments(requiredExternals) +
232 ", " +
233 externalsRootArray(optionalExternals)
234 : externalsRootArray(optionalExternals);
235 amdFactory =
236 `function webpackLoadOptionalExternalModuleAmd(${wrapperArguments}) {\n` +
237 ` return factory(${factoryArguments});\n` +
238 " }";
239 } else {
240 amdFactory = "factory";
241 }
242
243 const { auxiliaryComment, namedDefine, names } = options;
244
245 const getAuxiliaryComment = type => {
246 if (auxiliaryComment) {
247 if (typeof auxiliaryComment === "string")
248 return "\t//" + auxiliaryComment + "\n";
249 if (auxiliaryComment[type])
250 return "\t//" + auxiliaryComment[type] + "\n";
251 }
252 return "";
253 };
254
255 return new ConcatSource(
256 new OriginalSource(
257 "(function webpackUniversalModuleDefinition(root, factory) {\n" +
258 getAuxiliaryComment("commonjs2") +
259 " if(typeof exports === 'object' && typeof module === 'object')\n" +
260 " module.exports = factory(" +
261 externalsRequireArray("commonjs2") +
262 ");\n" +
263 getAuxiliaryComment("amd") +
264 " else if(typeof define === 'function' && define.amd)\n" +
265 (requiredExternals.length > 0
266 ? names.amd && namedDefine === true
267 ? " define(" +
268 libraryName(names.amd) +
269 ", " +
270 externalsDepsArray(requiredExternals) +
271 ", " +
272 amdFactory +
273 ");\n"
274 : " define(" +
275 externalsDepsArray(requiredExternals) +
276 ", " +
277 amdFactory +
278 ");\n"
279 : names.amd && namedDefine === true
280 ? " define(" +
281 libraryName(names.amd) +
282 ", [], " +
283 amdFactory +
284 ");\n"
285 : " define([], " + amdFactory + ");\n") +
286 (names.root || names.commonjs
287 ? getAuxiliaryComment("commonjs") +
288 " else if(typeof exports === 'object')\n" +
289 " exports[" +
290 libraryName(names.commonjs || names.root) +
291 "] = factory(" +
292 externalsRequireArray("commonjs") +
293 ");\n" +
294 getAuxiliaryComment("root") +
295 " else\n" +
296 " " +
297 replaceKeys(
298 accessorAccess("root", names.root || names.commonjs)
299 ) +
300 " = factory(" +
301 externalsRootArray(externals) +
302 ");\n"
303 : " else {\n" +
304 (externals.length > 0
305 ? " var a = typeof exports === 'object' ? factory(" +
306 externalsRequireArray("commonjs") +
307 ") : factory(" +
308 externalsRootArray(externals) +
309 ");\n"
310 : " var a = factory();\n") +
311 " for(var i in a) (typeof exports === 'object' ? exports : root)[i] = a[i];\n" +
312 " }\n") +
313 `})(${
314 runtimeTemplate.outputOptions.globalObject
315 }, function(${externalsArguments(externals)}) {\nreturn `,
316 "webpack/universalModuleDefinition"
317 ),
318 source,
319 ";\n})"
320 );
321 }
322}
323
324module.exports = UmdLibraryPlugin;
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