Files
lodash/lodash.attempt/index.js
2018-02-03 19:13:29 -08:00

41 lines
1.2 KiB
JavaScript

/**
* lodash 3.3.0 (Custom Build) <https://lodash.com/>
* Build: `lodash modern modularize exports="npm" -o ./`
* Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
* Based on Underscore.js 1.8.2 <http://underscorejs.org/LICENSE>
* Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
* Available under MIT license <https://lodash.com/license>
*/
var isError = require('lodash.iserror'),
restParam = require('lodash.restparam');
/**
* Attempts to invoke `func`, returning either the result or the caught error
* object. Any additional arguments are provided to `func` when it's invoked.
*
* @static
* @memberOf _
* @category Utility
* @param {Function} func The function to attempt.
* @returns {*} Returns the `func` result or error object.
* @example
*
* // avoid throwing errors for invalid selectors
* var elements = _.attempt(function(selector) {
* return document.querySelectorAll(selector);
* }, '>_>');
*
* if (_.isError(elements)) {
* elements = [];
* }
*/
var attempt = restParam(function(func, args) {
try {
return func.apply(undefined, args);
} catch(e) {
return isError(e) ? e : new Error(e);
}
});
module.exports = attempt;