source: trip-planner-front/node_modules/webpack/lib/runtime/StartupChunkDependenciesRuntimeModule.js@ 6c1585f

Last change on this file since 6c1585f was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 1.8 KB
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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 RuntimeGlobals = require("../RuntimeGlobals");
9const RuntimeModule = require("../RuntimeModule");
10const Template = require("../Template");
11
12class StartupChunkDependenciesRuntimeModule extends RuntimeModule {
13 constructor(asyncChunkLoading) {
14 super("startup chunk dependencies", RuntimeModule.STAGE_TRIGGER);
15 this.asyncChunkLoading = asyncChunkLoading;
16 }
17
18 /**
19 * @returns {string} runtime code
20 */
21 generate() {
22 const { chunkGraph, chunk, compilation } = this;
23 const { runtimeTemplate } = compilation;
24 const chunkIds = Array.from(
25 chunkGraph.getChunkEntryDependentChunksIterable(chunk)
26 ).map(chunk => {
27 return chunk.id;
28 });
29 return Template.asString([
30 `var next = ${RuntimeGlobals.startup};`,
31 `${RuntimeGlobals.startup} = ${runtimeTemplate.basicFunction(
32 "",
33 !this.asyncChunkLoading
34 ? chunkIds
35 .map(
36 id => `${RuntimeGlobals.ensureChunk}(${JSON.stringify(id)});`
37 )
38 .concat("return next();")
39 : chunkIds.length === 1
40 ? `return ${RuntimeGlobals.ensureChunk}(${JSON.stringify(
41 chunkIds[0]
42 )}).then(next);`
43 : chunkIds.length > 2
44 ? [
45 // using map is shorter for 3 or more chunks
46 `return Promise.all(${JSON.stringify(chunkIds)}.map(${
47 RuntimeGlobals.ensureChunk
48 }, __webpack_require__)).then(next);`
49 ]
50 : [
51 // calling ensureChunk directly is shorter for 0 - 2 chunks
52 "return Promise.all([",
53 Template.indent(
54 chunkIds
55 .map(
56 id => `${RuntimeGlobals.ensureChunk}(${JSON.stringify(id)})`
57 )
58 .join(",\n")
59 ),
60 "]).then(next);"
61 ]
62 )};`
63 ]);
64 }
65}
66
67module.exports = StartupChunkDependenciesRuntimeModule;
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