Add n_m

node_modules/execa/lib/error.js

@@ -0,0 +1,86 @@
+'use strict';
+const {signalsByName} = require('human-signals');
+
+const getErrorPrefix = ({timedOut, timeout, errorCode, signal, signalDescription, exitCode, isCanceled}) => {
+	if (timedOut) {
+		return `timed out after ${timeout} milliseconds`;
+	}
+
+	if (isCanceled) {
+		return 'was canceled';
+	}
+
+	if (errorCode !== undefined) {
+		return `failed with ${errorCode}`;
+	}
+
+	if (signal !== undefined) {
+		return `was killed with ${signal} (${signalDescription})`;
+	}
+
+	if (exitCode !== undefined) {
+		return `failed with exit code ${exitCode}`;
+	}
+
+	return 'failed';
+};
+
+const makeError = ({
+	stdout,
+	stderr,
+	all,
+	error,
+	signal,
+	exitCode,
+	command,
+	timedOut,
+	isCanceled,
+	killed,
+	parsed: {options: {timeout}}
+}) => {
+	// `signal` and `exitCode` emitted on `spawned.on('exit')` event can be `null`.
+	// We normalize them to `undefined`
+	exitCode = exitCode === null ? undefined : exitCode;
+	signal = signal === null ? undefined : signal;
+	const signalDescription = signal === undefined ? undefined : signalsByName[signal].description;
+
+	const errorCode = error && error.code;
+
+	const prefix = getErrorPrefix({timedOut, timeout, errorCode, signal, signalDescription, exitCode, isCanceled});
+	const execaMessage = `Command ${prefix}: ${command}`;
+	const isError = Object.prototype.toString.call(error) === '[object Error]';
+	const shortMessage = isError ? `${execaMessage}\n${error.message}` : execaMessage;
+	const message = [shortMessage, stderr, stdout].filter(Boolean).join('\n');
+
+	if (isError) {
+		error.originalMessage = error.message;
+		error.message = message;
+	} else {
+		error = new Error(message);
+	}
+
+	error.shortMessage = shortMessage;
+	error.command = command;
+	error.exitCode = exitCode;
+	error.signal = signal;
+	error.signalDescription = signalDescription;
+	error.stdout = stdout;
+	error.stderr = stderr;
+
+	if (all !== undefined) {
+		error.all = all;
+	}
+
+	if ('bufferedData' in error) {
+		delete error.bufferedData;
+	}
+
+	error.failed = true;
+	error.timedOut = Boolean(timedOut);
+	error.isCanceled = isCanceled;
+	error.killed = killed && !timedOut;
+
+	return error;
+};
+
+module.exports = makeError;