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gracefully handle process.stdin exceptions #2837

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Merged
merged 1 commit into from
Mar 5, 2017
Merged

gracefully handle process.stdin exceptions #2837

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18 changes: 17 additions & 1 deletion src/reporters/base-reporter.js
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@ import * as languages from './lang/index.js';
import isCI from 'is-ci';

const util = require('util');
const EventEmitter = require('events').EventEmitter;

type Language = $Keys<typeof languages>;

Expand Down Expand Up @@ -55,7 +56,7 @@ export default class BaseReporter {

this.stdout = opts.stdout || process.stdout;
this.stderr = opts.stderr || process.stderr;
this.stdin = opts.stdin || process.stdin;
this.stdin = opts.stdin || this._getStandardInput();
this.emoji = !!opts.emoji;
this.noProgress = !!opts.noProgress || isCI;
this.isVerbose = !!opts.verbose;
Expand Down Expand Up @@ -113,6 +114,21 @@ export default class BaseReporter {
_verbose(msg: string) {}
_verboseInspect(val: any) {}

_getStandardInput(): Stdin {
let standardInput;

try {
standardInput = process.stdin;
} catch (e) {
delete process.stdin;
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Perhaps this should console.warn(e.message)?

// $FlowFixMe: this is valid!
process.stdin = new EventEmitter();
standardInput = process.stdin;
}

return standardInput;
}

initPeakMemoryCounter() {
this.checkPeakMemory();
this.peakMemoryInterval = setInterval(() => {
Expand Down