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