| var isError = require('../lang/isError'), |
| restParam = require('../function/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; |
