motion
Version:
motion - moving development forward
34 lines (31 loc) • 848 B
JavaScript
var apply = require('./internal/apply'),
isError = require('./isError'),
rest = require('./rest');
/**
* 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 Util
* @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 = rest(function(func, args) {
try {
return apply(func, undefined, args);
} catch (e) {
return isError(e) ? e : new Error(e);
}
});
module.exports = attempt;