| 1 | ;
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| 2 | /**
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| 3 | * @author: JP Lew (jp@cto.ai)
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| 4 | * @date: Friday, 10th May 2019 12:10:47 pm
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| 5 | * @lastModifiedBy: JP Lew (jp@cto.ai)
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| 6 | * @lastModifiedTime: Thursday, 6th June 2019 6:28:12 pm
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| 7 | * @copyright (c) 2019 CTO.ai
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| 8 | */
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| 9 | Object.defineProperty(exports, "__esModule", { value: true });
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| 10 | // import { promisify } from 'util'
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| 11 | /*
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| 12 | * this is based on @rauschma/stringio's onExit utility:
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| 13 | * http://2ality.com/2018/05/child-process-streams.html.
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| 14 | * In our case, we don't want the promise to reject in case of error, because
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| 15 | * this will exit the whole process. We want to continue execution in spite of
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| 16 | * errors. *
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| 17 | */
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| 18 | function onExit(childProcess) {
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| 19 | return new Promise((resolve, reject) => {
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| 20 | childProcess.once('exit', (code, signal) => {
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| 21 | if (code === 0) {
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| 22 | resolve(undefined);
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| 23 | }
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| 24 | else {
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| 25 | resolve({ code, signal });
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| 26 | }
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| 27 | });
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| 28 | childProcess.once('error', (err) => {
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| 29 | reject(err);
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| 30 | });
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| 31 | });
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| 32 | }
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| 33 | exports.onExit = onExit;
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| 34 | // alternative is to promisify child process
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| 35 | // const promisifiedSpawn: (
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| 36 | // command: string,
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| 37 | // params: string[],
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| 38 | // options: SpawnOptions,
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| 39 | // ) => Promise<ChildProcess> = promisify(spawn)
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