source: trip-planner-front/node_modules/webpack/lib/container/RemoteRuntimeModule.js@ 6a3a178

Last change on this file since 6a3a178 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 RuntimeGlobals = require("../RuntimeGlobals");
9const RuntimeModule = require("../RuntimeModule");
10const Template = require("../Template");
11
12/** @typedef {import("./RemoteModule")} RemoteModule */
13
14class RemoteRuntimeModule extends RuntimeModule {
15 constructor() {
16 super("remotes loading");
17 }
18
19 /**
20 * @returns {string} runtime code
21 */
22 generate() {
23 const { compilation, chunkGraph } = this;
24 const { runtimeTemplate, moduleGraph } = compilation;
25 const chunkToRemotesMapping = {};
26 const idToExternalAndNameMapping = {};
27 for (const chunk of this.chunk.getAllAsyncChunks()) {
28 const modules = chunkGraph.getChunkModulesIterableBySourceType(
29 chunk,
30 "remote"
31 );
32 if (!modules) continue;
33 const remotes = (chunkToRemotesMapping[chunk.id] = []);
34 for (const m of modules) {
35 const module = /** @type {RemoteModule} */ (m);
36 const name = module.internalRequest;
37 const id = chunkGraph.getModuleId(module);
38 const shareScope = module.shareScope;
39 const dep = module.dependencies[0];
40 const externalModule = moduleGraph.getModule(dep);
41 const externalModuleId =
42 externalModule && chunkGraph.getModuleId(externalModule);
43 remotes.push(id);
44 idToExternalAndNameMapping[id] = [shareScope, name, externalModuleId];
45 }
46 }
47 return Template.asString([
48 `var chunkMapping = ${JSON.stringify(
49 chunkToRemotesMapping,
50 null,
51 "\t"
52 )};`,
53 `var idToExternalAndNameMapping = ${JSON.stringify(
54 idToExternalAndNameMapping,
55 null,
56 "\t"
57 )};`,
58 `${
59 RuntimeGlobals.ensureChunkHandlers
60 }.remotes = ${runtimeTemplate.basicFunction("chunkId, promises", [
61 `if(${RuntimeGlobals.hasOwnProperty}(chunkMapping, chunkId)) {`,
62 Template.indent([
63 `chunkMapping[chunkId].forEach(${runtimeTemplate.basicFunction("id", [
64 `var getScope = ${RuntimeGlobals.currentRemoteGetScope};`,
65 "if(!getScope) getScope = [];",
66 "var data = idToExternalAndNameMapping[id];",
67 "if(getScope.indexOf(data) >= 0) return;",
68 "getScope.push(data);",
69 `if(data.p) return promises.push(data.p);`,
70 `var onError = ${runtimeTemplate.basicFunction("error", [
71 'if(!error) error = new Error("Container missing");',
72 'if(typeof error.message === "string")',
73 Template.indent(
74 `error.message += '\\nwhile loading "' + data[1] + '" from ' + data[2];`
75 ),
76 `__webpack_modules__[id] = ${runtimeTemplate.basicFunction("", [
77 "throw error;"
78 ])}`,
79 "data.p = 0;"
80 ])};`,
81 `var handleFunction = ${runtimeTemplate.basicFunction(
82 "fn, arg1, arg2, d, next, first",
83 [
84 "try {",
85 Template.indent([
86 "var promise = fn(arg1, arg2);",
87 "if(promise && promise.then) {",
88 Template.indent([
89 `var p = promise.then(${runtimeTemplate.returningFunction(
90 "next(result, d)",
91 "result"
92 )}, onError);`,
93 `if(first) promises.push(data.p = p); else return p;`
94 ]),
95 "} else {",
96 Template.indent(["return next(promise, d, first);"]),
97 "}"
98 ]),
99 "} catch(error) {",
100 Template.indent(["onError(error);"]),
101 "}"
102 ]
103 )}`,
104 `var onExternal = ${runtimeTemplate.returningFunction(
105 `external ? handleFunction(${RuntimeGlobals.initializeSharing}, data[0], 0, external, onInitialized, first) : onError()`,
106 "external, _, first"
107 )};`,
108 `var onInitialized = ${runtimeTemplate.returningFunction(
109 `handleFunction(external.get, data[1], getScope, 0, onFactory, first)`,
110 "_, external, first"
111 )};`,
112 `var onFactory = ${runtimeTemplate.basicFunction("factory", [
113 "data.p = 1;",
114 `__webpack_modules__[id] = ${runtimeTemplate.basicFunction(
115 "module",
116 ["module.exports = factory();"]
117 )}`
118 ])};`,
119 "handleFunction(__webpack_require__, data[2], 0, 0, onExternal, 1);"
120 ])});`
121 ]),
122 "}"
123 ])}`
124 ]);
125 }
126}
127
128module.exports = RemoteRuntimeModule;
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