yumechi-no-kuni/src/misc/dependencyInfo.ts
2018-07-25 00:29:18 +09:00

32 lines
1.1 KiB
TypeScript

import Logger from './logger';
import { execSync } from 'child_process';
export default class {
private logger: Logger;
constructor() {
this.logger = new Logger('Deps');
}
public showAll(): void {
this.show('MongoDB', 'mongo --version', x => x.match(/^MongoDB shell version:? v(.*)\r?\n/));
this.show('Redis', 'redis-server --version', x => x.match(/v=([0-9\.]*)/));
}
public show(serviceName: string, command: string, transform: (x: string) => RegExpMatchArray): void {
try {
// ステータス0以外のときにexecSyncはstderrをコンソール上に出力してしまうので
// プロセスからのstderrをすべて無視するように stdio オプションをセット
const x = execSync(command, { stdio: ['pipe', 'pipe', 'ignore'] });
const ver = transform(x.toString());
if (ver != null) {
this.logger.succ(`${serviceName} ${ver[1]} found`);
} else {
this.logger.warn(`${serviceName} not found`);
this.logger.warn(`Regexp used for version check of ${serviceName} is probably messed up`);
}
} catch (e) {
this.logger.warn(`${serviceName} not found`);
}
}
}