webpack/lib/DllReferencePlugin.js

69 lines
2.4 KiB
JavaScript

/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const DelegatedSourceDependency = require("./dependencies/DelegatedSourceDependency");
const DelegatedModuleFactoryPlugin = require("./DelegatedModuleFactoryPlugin");
const ExternalModuleFactoryPlugin = require("./ExternalModuleFactoryPlugin");
const DelegatedExportsDependency = require("./dependencies/DelegatedExportsDependency");
const NullFactory = require("./NullFactory");
const validateOptions = require("schema-utils");
const schema = require("../schemas/plugins/DllReferencePlugin.json");
class DllReferencePlugin {
constructor(options) {
validateOptions(schema, options, "Dll Reference Plugin");
this.options = options;
}
apply(compiler) {
compiler.hooks.compilation.tap("DllReferencePlugin", (compilation, {
normalModuleFactory
}) => {
compilation.dependencyFactories.set(DelegatedSourceDependency, normalModuleFactory);
compilation.dependencyFactories.set(DelegatedExportsDependency, new NullFactory());
});
compiler.hooks.beforeCompile.tapAsync("DllReferencePlugin", (params, callback) => {
const manifest = this.options.manifest;
if(typeof manifest === "string") {
params.compilationDependencies.add(manifest);
compiler.inputFileSystem.readFile(manifest, (err, result) => {
if(err) return callback(err);
params["dll reference " + manifest] = JSON.parse(result.toString("utf-8"));
return callback();
});
} else {
return callback();
}
});
compiler.hooks.compile.tap("DllReferencePlugin", (params) => {
let manifest = this.options.manifest;
if(typeof manifest === "string") {
manifest = params["dll reference " + manifest];
}
const name = this.options.name || manifest.name;
const sourceType = this.options.sourceType || (manifest && manifest.type) || "var";
const externals = {};
const source = "dll-reference " + name;
externals[source] = name;
const normalModuleFactory = params.normalModuleFactory;
new ExternalModuleFactoryPlugin(sourceType, externals).apply(normalModuleFactory);
new DelegatedModuleFactoryPlugin({
source: source,
type: this.options.type,
scope: this.options.scope,
context: this.options.context || compiler.options.context,
content: this.options.content || manifest.content,
extensions: this.options.extensions
}).apply(normalModuleFactory);
});
}
}
module.exports = DllReferencePlugin;