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- /*
- MIT License http://www.opensource.org/licenses/mit-license.php
- Author Tobias Koppers @sokra
- */
- "use strict";
-
- const DelegatedModule = require("./DelegatedModule");
-
- // options.source
- // options.type
- // options.context
- // options.scope
- // options.content
- class DelegatedModuleFactoryPlugin {
- constructor(options) {
- this.options = options;
- options.type = options.type || "require";
- options.extensions = options.extensions || [
- "",
- ".wasm",
- ".mjs",
- ".js",
- ".json"
- ];
- }
-
- apply(normalModuleFactory) {
- const scope = this.options.scope;
- if (scope) {
- normalModuleFactory.hooks.factory.tap(
- "DelegatedModuleFactoryPlugin",
- factory => (data, callback) => {
- const dependency = data.dependencies[0];
- const request = dependency.request;
- if (request && request.indexOf(scope + "/") === 0) {
- const innerRequest = "." + request.substr(scope.length);
- let resolved;
- if (innerRequest in this.options.content) {
- resolved = this.options.content[innerRequest];
- return callback(
- null,
- new DelegatedModule(
- this.options.source,
- resolved,
- this.options.type,
- innerRequest,
- request
- )
- );
- }
- for (let i = 0; i < this.options.extensions.length; i++) {
- const extension = this.options.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,
- this.options.type,
- requestPlusExt,
- request + extension
- )
- );
- }
- }
- }
- return factory(data, callback);
- }
- );
- } else {
- normalModuleFactory.hooks.module.tap(
- "DelegatedModuleFactoryPlugin",
- module => {
- if (module.libIdent) {
- 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,
- this.options.type,
- request,
- module
- );
- }
- }
- return module;
- }
- );
- }
- }
- }
- module.exports = DelegatedModuleFactoryPlugin;
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