mirror of
https://gitlab.com/openstapps/openstapps.git
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64 lines
2.3 KiB
TypeScript
64 lines
2.3 KiB
TypeScript
/*
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* Copyright (C) 2019-2022 Open StApps
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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import {existsSync, PathLike} from 'fs';
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import path from 'path';
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import {readFilePromisified} from '../common';
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/**
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* Get used version of a dependency of a project referenced by a path
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*
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* @param directoryPath Path to a Node.js project directory
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* @param dependency Dependency to get used version of
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*/
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export async function getUsedVersion(directoryPath: PathLike, dependency: string): Promise<string> {
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if (!existsSync(path.join(directoryPath.toString(), 'package.json'))) {
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throw new Error(`'package.json' does not exist in '${directoryPath}'. Not a Node.js project?`);
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}
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const buffer = await readFilePromisified(path.join(directoryPath.toString(), 'package.json'));
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const content = buffer.toString();
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const packageJson = JSON.parse(content);
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if (typeof packageJson.dependencies !== 'object') {
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throw new TypeError(`Project in '${directoryPath}' has no dependencies!`);
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}
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if (typeof packageJson.dependencies[dependency] !== 'string') {
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throw new TypeError(`Project in '${directoryPath}' does not depend on '${dependency}'.`);
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}
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return packageJson.dependencies[dependency];
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}
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/**
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* Get 'MAJOR.MINOR' part of a used version
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*
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* See [[getUsedVersion]].
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*
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* @param path see [[getUsedVersion]]
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* @param dependency see [[getUsedVersion]]
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*/
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export async function getUsedVersionMajorMinor(path: PathLike, dependency: string): Promise<string> {
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const usedVersions = await getUsedVersion(path, dependency);
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const versionMatch = usedVersions.match(/([0-9]+\.[0-9]+)\.[0-9]+/);
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// istanbul ignore if
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if (versionMatch === null) {
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throw new Error(`Used version of '${dependency}' of project in '${path}' could not be determined.`);
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}
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return versionMatch[1];
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}
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