115 lines
3.6 KiB
JavaScript
115 lines
3.6 KiB
JavaScript
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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const DelegatedModule = require("./DelegatedModule");
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/** @typedef {import("../declarations/plugins/DllReferencePlugin").DllReferencePluginOptions} DllReferencePluginOptions */
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/** @typedef {import("../declarations/plugins/DllReferencePlugin").DllReferencePluginOptionsContent} DllReferencePluginOptionsContent */
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/** @typedef {import("./DelegatedModule").DelegatedModuleSourceRequest} DelegatedModuleSourceRequest */
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/** @typedef {import("./DelegatedModule").DelegatedModuleType} DelegatedModuleType */
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/** @typedef {import("./NormalModuleFactory")} NormalModuleFactory */
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/** @typedef {import("./util/identifier").AssociatedObjectForCache} AssociatedObjectForCache */
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/**
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* @typedef {object} Options
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* @property {DelegatedModuleSourceRequest} source source
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* @property {NonNullable<DllReferencePluginOptions["context"]>} context absolute context path to which lib ident is relative to
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* @property {DllReferencePluginOptionsContent} content content
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* @property {DllReferencePluginOptions["type"]} type type
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* @property {DllReferencePluginOptions["extensions"]} extensions extensions
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* @property {DllReferencePluginOptions["scope"]} scope scope
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* @property {AssociatedObjectForCache=} associatedObjectForCache object for caching
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*/
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const PLUGIN_NAME = "DelegatedModuleFactoryPlugin";
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class DelegatedModuleFactoryPlugin {
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/**
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* @param {Options} options options
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*/
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constructor(options) {
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this.options = options;
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options.type = options.type || "require";
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options.extensions = options.extensions || ["", ".js", ".json", ".wasm"];
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}
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/**
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* @param {NormalModuleFactory} normalModuleFactory the normal module factory
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* @returns {void}
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*/
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apply(normalModuleFactory) {
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const scope = this.options.scope;
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if (scope) {
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normalModuleFactory.hooks.factorize.tapAsync(
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PLUGIN_NAME,
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(data, callback) => {
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const [dependency] = data.dependencies;
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const { request } = dependency;
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if (request && request.startsWith(`${scope}/`)) {
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const innerRequest = `.${request.slice(scope.length)}`;
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let resolved;
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if (innerRequest in this.options.content) {
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resolved = this.options.content[innerRequest];
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return callback(
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null,
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new DelegatedModule(
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this.options.source,
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resolved,
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/** @type {DelegatedModuleType} */
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(this.options.type),
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innerRequest,
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request
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)
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);
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}
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const extensions =
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/** @type {string[]} */
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(this.options.extensions);
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for (let i = 0; i < extensions.length; i++) {
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const extension = extensions[i];
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const requestPlusExt = innerRequest + extension;
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if (requestPlusExt in this.options.content) {
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resolved = this.options.content[requestPlusExt];
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return callback(
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null,
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new DelegatedModule(
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this.options.source,
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resolved,
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/** @type {DelegatedModuleType} */
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(this.options.type),
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requestPlusExt,
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request + extension
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)
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);
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}
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}
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}
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return callback();
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}
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);
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} else {
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normalModuleFactory.hooks.module.tap(PLUGIN_NAME, (module) => {
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const request = module.libIdent(this.options);
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if (request && request in this.options.content) {
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const resolved = this.options.content[request];
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return new DelegatedModule(
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this.options.source,
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resolved,
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/** @type {DelegatedModuleType} */
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(this.options.type),
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request,
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module
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);
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}
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return module;
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});
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}
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}
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}
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module.exports = DelegatedModuleFactoryPlugin;
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