52 lines
1.7 KiB
TypeScript
52 lines
1.7 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {Filesystem} from '@angular/service-worker/config';
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import {sha1Binary} from './sha1';
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const fs = require('fs');
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const path = require('path');
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export class NodeFilesystem implements Filesystem {
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constructor(private base: string) {}
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async list(_path: string): Promise<string[]> {
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const dir = this.canonical(_path);
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const entries = fs.readdirSync(dir).map(
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(entry: string) => ({entry, stats: fs.statSync(path.join(dir, entry))}));
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const files = entries.filter((entry: any) => !entry.stats.isDirectory())
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.map((entry: any) => path.posix.join(_path, entry.entry));
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return entries.filter((entry: any) => entry.stats.isDirectory())
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.map((entry: any) => path.posix.join(_path, entry.entry))
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.reduce(
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async(list: Promise<string[]>, subdir: string) =>
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(await list).concat(await this.list(subdir)),
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Promise.resolve(files));
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}
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async read(_path: string): Promise<string> {
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const file = this.canonical(_path);
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return fs.readFileSync(file).toString();
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}
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async hash(_path: string): Promise<string> {
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const file = this.canonical(_path);
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const contents: Buffer = fs.readFileSync(file);
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return sha1Binary(contents as any as ArrayBuffer);
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}
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async write(_path: string, contents: string): Promise<void> {
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const file = this.canonical(_path);
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fs.writeFileSync(file, contents);
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}
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private canonical(_path: string): string { return path.posix.join(this.base, _path); }
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}
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