1  'use strict';
 2  const {signalsByName} = require('human-signals');
 3  
 4  const getErrorPrefix = ({timedOut, timeout, errorCode, signal, signalDescription, exitCode, isCanceled}) => {
 5  	if (timedOut) {
 6  		return `timed out after ${timeout} milliseconds`;
 7  	}
 8  
 9  	if (isCanceled) {
10  		return 'was canceled';
11  	}
12  
13  	if (errorCode !== undefined) {
14  		return `failed with ${errorCode}`;
15  	}
16  
17  	if (signal !== undefined) {
18  		return `was killed with ${signal} (${signalDescription})`;
19  	}
20  
21  	if (exitCode !== undefined) {
22  		return `failed with exit code ${exitCode}`;
23  	}
24  
25  	return 'failed';
26  };
27  
28  const makeError = ({
29  	stdout,
30  	stderr,
31  	all,
32  	error,
33  	signal,
34  	exitCode,
35  	command,
36  	timedOut,
37  	isCanceled,
38  	killed,
39  	parsed: {options: {timeout}}
40  }) => {
41  	// `signal` and `exitCode` emitted on `spawned.on('exit')` event can be `null`.
42  	// We normalize them to `undefined`
43  	exitCode = exitCode === null ? undefined : exitCode;
44  	signal = signal === null ? undefined : signal;
45  	const signalDescription = signal === undefined ? undefined : signalsByName[signal].description;
46  
47  	const errorCode = error && error.code;
48  
49  	const prefix = getErrorPrefix({timedOut, timeout, errorCode, signal, signalDescription, exitCode, isCanceled});
50  	const execaMessage = `Command ${prefix}: ${command}`;
51  	const isError = Object.prototype.toString.call(error) === '[object Error]';
52  	const shortMessage = isError ? `${execaMessage}\n${error.message}` : execaMessage;
53  	const message = [shortMessage, stderr, stdout].filter(Boolean).join('\n');
54  
55  	if (isError) {
56  		error.originalMessage = error.message;
57  		error.message = message;
58  	} else {
59  		error = new Error(message);
60  	}
61  
62  	error.shortMessage = shortMessage;
63  	error.command = command;
64  	error.exitCode = exitCode;
65  	error.signal = signal;
66  	error.signalDescription = signalDescription;
67  	error.stdout = stdout;
68  	error.stderr = stderr;
69  
70  	if (all !== undefined) {
71  		error.all = all;
72  	}
73  
74  	if ('bufferedData' in error) {
75  		delete error.bufferedData;
76  	}
77  
78  	error.failed = true;
79  	error.timedOut = Boolean(timedOut);
80  	error.isCanceled = isCanceled;
81  	error.killed = killed && !timedOut;
82  
83  	return error;
84  };
85  
86  module.exports = makeError;