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rOACCT/node_modules/webpack/lib/DllReferencePlugin.js
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DllReferencePlugin.js
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const parseJson = require("json-parse-better-errors");
const DelegatedModuleFactoryPlugin = require("./DelegatedModuleFactoryPlugin");
const ExternalModuleFactoryPlugin = require("./ExternalModuleFactoryPlugin");
const WebpackError = require("./WebpackError");
const DelegatedSourceDependency = require("./dependencies/DelegatedSourceDependency");
const makePathsRelative = require("./util/identifier").makePathsRelative;
const { validate } = require("schema-utils");
const schema = require("../schemas/plugins/DllReferencePlugin.json");
/** @typedef {import("../declarations/WebpackOptions").Externals} Externals */
/** @typedef {import("../declarations/plugins/DllReferencePlugin").DllReferencePluginOptions} DllReferencePluginOptions */
/** @typedef {import("../declarations/plugins/DllReferencePlugin").DllReferencePluginOptionsManifest} DllReferencePluginOptionsManifest */
class DllReferencePlugin {
/**
* @param {DllReferencePluginOptions} options options object
*/
constructor(options) {
validate(schema, options, {
name: "Dll Reference Plugin",
baseDataPath: "options"
});
this.options = options;
/** @type {WeakMap<Object, {path: string, data: DllReferencePluginOptionsManifest?, error: Error?}>} */
this._compilationData = new WeakMap();
}
apply(compiler) {
compiler.hooks.compilation.tap(
"DllReferencePlugin",
(compilation, { normalModuleFactory }) => {
compilation.dependencyFactories.set(
DelegatedSourceDependency,
normalModuleFactory
);
}
);
compiler.hooks.beforeCompile.tapAsync(
"DllReferencePlugin",
(params, callback) => {
if ("manifest" in this.options) {
const manifest = this.options.manifest;
if (typeof manifest === "string") {
compiler.inputFileSystem.readFile(manifest, (err, result) => {
if (err) return callback(err);
const data = {
path: manifest,
data: undefined,
error: undefined
};
// Catch errors parsing the manifest so that blank
// or malformed manifest files don't kill the process.
try {
data.data = parseJson(result.toString("utf-8"));
} catch (e) {
// Store the error in the params so that it can
// be added as a compilation error later on.
const manifestPath = makePathsRelative(
compiler.options.context,
manifest,
compiler.root
);
data.error = new DllManifestError(manifestPath, e.message);
}
this._compilationData.set(params, data);
return callback();
});
return;
}
}
return callback();
}
);
compiler.hooks.compile.tap("DllReferencePlugin", params => {
let name = this.options.name;
let sourceType = this.options.sourceType;
let content =
"content" in this.options ? this.options.content : undefined;
if ("manifest" in this.options) {
let manifestParameter = this.options.manifest;
let manifest;
if (typeof manifestParameter === "string") {
const data = this._compilationData.get(params);
// If there was an error parsing the manifest
// file, exit now because the error will be added
// as a compilation error in the "compilation" hook.
if (data.error) {
return;
}
manifest = data.data;
} else {
manifest = manifestParameter;
}
if (manifest) {
if (!name) name = manifest.name;
if (!sourceType) sourceType = manifest.type;
if (!content) content = manifest.content;
}
}
/** @type {Externals} */
const externals = {};
const source = "dll-reference " + name;
externals[source] = name;
const normalModuleFactory = params.normalModuleFactory;
new ExternalModuleFactoryPlugin(sourceType || "var", externals).apply(
normalModuleFactory
);
new DelegatedModuleFactoryPlugin({
source: source,
type: this.options.type,
scope: this.options.scope,
context: this.options.context || compiler.options.context,
content,
extensions: this.options.extensions,
associatedObjectForCache: compiler.root
}).apply(normalModuleFactory);
});
compiler.hooks.compilation.tap(
"DllReferencePlugin",
(compilation, params) => {
if ("manifest" in this.options) {
let manifest = this.options.manifest;
if (typeof manifest === "string") {
const data = this._compilationData.get(params);
// If there was an error parsing the manifest file, add the
// error as a compilation error to make the compilation fail.
if (data.error) {
compilation.errors.push(data.error);
}
compilation.fileDependencies.add(manifest);
}
}
}
);
}
}
class DllManifestError extends WebpackError {
constructor(filename, message) {
super();
this.name = "DllManifestError";
this.message = `Dll manifest ${filename}\n${message}`;
Error.captureStackTrace(this, this.constructor);
}
}
module.exports = DllReferencePlugin;
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