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'use strict'; // Flags: --expose-internals require('../common'); const { strictEqual, throws } = require('assert'); const { ESMLoader } = require('internal/modules/esm/loader'); const ModuleMap = require('internal/modules/esm/module_map'); const ModuleJob = require('internal/modules/esm/module_job'); const createDynamicModule = require( 'internal/modules/esm/create_dynamic_module'); const jsModuleDataUrl = 'data:text/javascript,export{}'; const jsonModuleDataUrl = 'data:application/json,""'; const stubJsModule = createDynamicModule([], ['default'], jsModuleDataUrl); const stubJsonModule = createDynamicModule([], ['default'], jsonModuleDataUrl); const loader = new ESMLoader(); const jsModuleJob = new ModuleJob(loader, stubJsModule.module, undefined, () => new Promise(() => {})); const jsonModuleJob = new ModuleJob(loader, stubJsonModule.module, { type: 'json' }, () => new Promise(() => {})); // ModuleMap.set and ModuleMap.get store and retrieve module jobs for a // specified url/type tuple; ModuleMap.has correctly reports whether such jobs // are stored in the map. { const moduleMap = new ModuleMap(); moduleMap.set(jsModuleDataUrl, undefined, jsModuleJob); moduleMap.set(jsonModuleDataUrl, 'json', jsonModuleJob); strictEqual(moduleMap.get(jsModuleDataUrl), jsModuleJob); strictEqual(moduleMap.get(jsonModuleDataUrl, 'json'), jsonModuleJob); strictEqual(moduleMap.has(jsModuleDataUrl), true); strictEqual(moduleMap.has(jsModuleDataUrl, 'javascript'), true); strictEqual(moduleMap.has(jsonModuleDataUrl, 'json'), true); strictEqual(moduleMap.has('unknown'), false); // The types must match strictEqual(moduleMap.has(jsModuleDataUrl, 'json'), false); strictEqual(moduleMap.has(jsonModuleDataUrl, 'javascript'), false); strictEqual(moduleMap.has(jsonModuleDataUrl), false); strictEqual(moduleMap.has(jsModuleDataUrl, 'unknown'), false); strictEqual(moduleMap.has(jsonModuleDataUrl, 'unknown'), false); } // ModuleMap.get, ModuleMap.has and ModuleMap.set should only accept string // values as url argument. { const moduleMap = new ModuleMap(); const errorObj = { code: 'ERR_INVALID_ARG_TYPE', name: 'TypeError', message: /^The "url" argument must be of type string/ }; [{}, [], true, 1].forEach((value) => { throws(() => moduleMap.get(value), errorObj); throws(() => moduleMap.has(value), errorObj); throws(() => moduleMap.set(value, undefined, jsModuleJob), errorObj); }); } // ModuleMap.get, ModuleMap.has and ModuleMap.set should only accept string // values (or the kAssertType symbol) as type argument. { const moduleMap = new ModuleMap(); const errorObj = { code: 'ERR_INVALID_ARG_TYPE', name: 'TypeError', message: /^The "type" argument must be of type string/ }; [{}, [], true, 1].forEach((value) => { throws(() => moduleMap.get(jsModuleDataUrl, value), errorObj); throws(() => moduleMap.has(jsModuleDataUrl, value), errorObj); throws(() => moduleMap.set(jsModuleDataUrl, value, jsModuleJob), errorObj); }); } // ModuleMap.set should only accept ModuleJob values as job argument. { const moduleMap = new ModuleMap(); [{}, [], true, 1].forEach((value) => { throws(() => moduleMap.set('', undefined, value), { code: 'ERR_INVALID_ARG_TYPE', name: 'TypeError', message: /^The "job" argument must be an instance of ModuleJob/ }); }); }