source: trip-planner-front/node_modules/webpack/lib/DllReferencePlugin.js@ 571e0df

Last change on this file since 571e0df was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 5.0 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 parseJson = require("json-parse-better-errors");
9const DelegatedModuleFactoryPlugin = require("./DelegatedModuleFactoryPlugin");
10const ExternalModuleFactoryPlugin = require("./ExternalModuleFactoryPlugin");
11const WebpackError = require("./WebpackError");
12const DelegatedSourceDependency = require("./dependencies/DelegatedSourceDependency");
13const createSchemaValidation = require("./util/create-schema-validation");
14const makePathsRelative = require("./util/identifier").makePathsRelative;
15
16/** @typedef {import("../declarations/WebpackOptions").Externals} Externals */
17/** @typedef {import("../declarations/plugins/DllReferencePlugin").DllReferencePluginOptions} DllReferencePluginOptions */
18/** @typedef {import("../declarations/plugins/DllReferencePlugin").DllReferencePluginOptionsManifest} DllReferencePluginOptionsManifest */
19
20const validate = createSchemaValidation(
21 require("../schemas/plugins/DllReferencePlugin.check.js"),
22 () => require("../schemas/plugins/DllReferencePlugin.json"),
23 {
24 name: "Dll Reference Plugin",
25 baseDataPath: "options"
26 }
27);
28
29class DllReferencePlugin {
30 /**
31 * @param {DllReferencePluginOptions} options options object
32 */
33 constructor(options) {
34 validate(options);
35 this.options = options;
36 /** @type {WeakMap<Object, {path: string, data: DllReferencePluginOptionsManifest?, error: Error?}>} */
37 this._compilationData = new WeakMap();
38 }
39
40 apply(compiler) {
41 compiler.hooks.compilation.tap(
42 "DllReferencePlugin",
43 (compilation, { normalModuleFactory }) => {
44 compilation.dependencyFactories.set(
45 DelegatedSourceDependency,
46 normalModuleFactory
47 );
48 }
49 );
50
51 compiler.hooks.beforeCompile.tapAsync(
52 "DllReferencePlugin",
53 (params, callback) => {
54 if ("manifest" in this.options) {
55 const manifest = this.options.manifest;
56 if (typeof manifest === "string") {
57 compiler.inputFileSystem.readFile(manifest, (err, result) => {
58 if (err) return callback(err);
59 const data = {
60 path: manifest,
61 data: undefined,
62 error: undefined
63 };
64 // Catch errors parsing the manifest so that blank
65 // or malformed manifest files don't kill the process.
66 try {
67 data.data = parseJson(result.toString("utf-8"));
68 } catch (e) {
69 // Store the error in the params so that it can
70 // be added as a compilation error later on.
71 const manifestPath = makePathsRelative(
72 compiler.options.context,
73 manifest,
74 compiler.root
75 );
76 data.error = new DllManifestError(manifestPath, e.message);
77 }
78 this._compilationData.set(params, data);
79 return callback();
80 });
81 return;
82 }
83 }
84 return callback();
85 }
86 );
87
88 compiler.hooks.compile.tap("DllReferencePlugin", params => {
89 let name = this.options.name;
90 let sourceType = this.options.sourceType;
91 let content =
92 "content" in this.options ? this.options.content : undefined;
93 if ("manifest" in this.options) {
94 let manifestParameter = this.options.manifest;
95 let manifest;
96 if (typeof manifestParameter === "string") {
97 const data = this._compilationData.get(params);
98 // If there was an error parsing the manifest
99 // file, exit now because the error will be added
100 // as a compilation error in the "compilation" hook.
101 if (data.error) {
102 return;
103 }
104 manifest = data.data;
105 } else {
106 manifest = manifestParameter;
107 }
108 if (manifest) {
109 if (!name) name = manifest.name;
110 if (!sourceType) sourceType = manifest.type;
111 if (!content) content = manifest.content;
112 }
113 }
114 /** @type {Externals} */
115 const externals = {};
116 const source = "dll-reference " + name;
117 externals[source] = name;
118 const normalModuleFactory = params.normalModuleFactory;
119 new ExternalModuleFactoryPlugin(sourceType || "var", externals).apply(
120 normalModuleFactory
121 );
122 new DelegatedModuleFactoryPlugin({
123 source: source,
124 type: this.options.type,
125 scope: this.options.scope,
126 context: this.options.context || compiler.options.context,
127 content,
128 extensions: this.options.extensions,
129 associatedObjectForCache: compiler.root
130 }).apply(normalModuleFactory);
131 });
132
133 compiler.hooks.compilation.tap(
134 "DllReferencePlugin",
135 (compilation, params) => {
136 if ("manifest" in this.options) {
137 let manifest = this.options.manifest;
138 if (typeof manifest === "string") {
139 const data = this._compilationData.get(params);
140 // If there was an error parsing the manifest file, add the
141 // error as a compilation error to make the compilation fail.
142 if (data.error) {
143 compilation.errors.push(data.error);
144 }
145 compilation.fileDependencies.add(manifest);
146 }
147 }
148 }
149 );
150 }
151}
152
153class DllManifestError extends WebpackError {
154 constructor(filename, message) {
155 super();
156
157 this.name = "DllManifestError";
158 this.message = `Dll manifest ${filename}\n${message}`;
159 }
160}
161
162module.exports = DllReferencePlugin;
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