047240b40f
Switching to npm packages requires a new way to define licenses for javascript libraries. This change adds a tool to generate json licenses map and also adds some examples how to define licenses. Change-Id: I80ba0ec5ef7853c517073566dfb34a5caebd5dcb
51 lines
1.7 KiB
TypeScript
51 lines
1.7 KiB
TypeScript
/**
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* @license
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import * as path from "path";
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import * as fs from "fs";
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import { fail } from "./utils";
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/** SharedLicensesProvider uses to get license's text
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* when package itself doesn't have LICENSE file.
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*/
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export class SharedLicensesProvider {
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private licenseNameToText: Map<string, string>;
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/** constructor takes list of file paths with licenses texts.
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* The path is used to load a license text,
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* the filename (without dirname) is used as a license name.
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* */
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public constructor(sharedLicensesFiles: string[]) {
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this.licenseNameToText = new Map();
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sharedLicensesFiles.forEach(f => {
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const licenseName = path.basename(f);
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if(this.licenseNameToText.has(licenseName)) {
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fail(`There are multiple files for the license's text '${licenseName}'`);
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}
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this.licenseNameToText.set(licenseName, fs.readFileSync(f, {encoding: 'utf-8'}));
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});
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}
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public getText(licenseName: string): string {
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if(!this.licenseNameToText.has(licenseName)) {
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fail(`There are no text for license ${licenseName}`);
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}
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return this.licenseNameToText.get(licenseName)!;
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}
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}
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