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syuilo 2016-12-29 07:49:51 +09:00
commit b3f42e62af
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23
src/utils/check-dependencies.ts Normal file
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import {logInfo, logDone, logWarn} from 'log-cool';
import {exec} from 'shelljs';
export default function(): void {
checkDependency('Node.js', 'node -v', x => x.match(/^v(.*)\r?\n$/)[1]);
checkDependency('npm', 'npm -v', x => x.match(/^(.*)\r?\n$/)[1]);
checkDependency('MongoDB', 'mongo --version', x => x.match(/^MongoDB shell version: (.*)\r?\n$/)[1]);
checkDependency('Redis', 'redis-server --version', x => x.match(/v=([0-9\.]*)/)[1]);
logDone('Successfully checked external dependencies');
}
function checkDependency(serviceName: string, command: string, transform: (x: string) => string): void {
const code = {
success: 0,
notFound: 127
};
const x = exec(command, { silent: true }) as any;
if (x.code === code.success) {
logInfo(`DEPS: ${serviceName} ${transform(x.stdout)}`);
} else if (x.code === code.notFound) {
logWarn(`Unable to find ${serviceName}`);
}
}