44 lines
1.1 KiB
JavaScript
44 lines
1.1 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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// A basic synchronous module loader for testing the shell.
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Reflect.Loader = new class {
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constructor() {
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this.registry = new Map();
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this.loadPath = getModuleLoadPath();
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}
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resolve(name) {
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if (os.path.isAbsolute(name))
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return name;
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return os.path.join(this.loadPath, name);
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}
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fetch(path) {
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return os.file.readFile(path);
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}
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loadAndParse(name) {
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let path = this.resolve(name);
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if (this.registry.has(path))
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return this.registry.get(path);
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let source = this.fetch(path);
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let module = parseModule(source, path);
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this.registry.set(path, module);
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return module;
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}
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["import"](name, referrer) {
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let module = this.loadAndParse(name);
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module.declarationInstantiation();
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return module.evaluation();
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}
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};
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setModuleResolveHook((module, requestName) => Reflect.Loader.loadAndParse(requestName));
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