react-native/scripts/try-n-times.js

39 lines
1018 B
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
/* globals echo:false */
'use strict';
/**
* Try executing a function n times recursively.
* Return 0 the first time it succeeds
* Return code of the last failed commands if not more retries left
* @funcToRetry - function that gets retried
* @retriesLeft - number of retries to execute funcToRetry
* @onEveryError - func to execute if funcToRetry returns non 0
*/
function tryExecNTimes(funcToRetry, retriesLeft, onEveryError) {
const exitCode = funcToRetry();
if (exitCode === 0) {
return exitCode;
} else {
if (onEveryError) {
onEveryError();
}
retriesLeft--;
echo(`Command failed, ${retriesLeft} retries left`);
if (retriesLeft === 0) {
return exitCode;
} else {
return tryExecNTimes(funcToRetry, retriesLeft, onEveryError);
}
}
}
module.exports = tryExecNTimes;