1
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var apply = require('./_apply'),
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2
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baseRest = require('./_baseRest'),
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3
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isError = require('./isError');
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4
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5
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/**
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6
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* Attempts to invoke `func`, returning either the result or the caught error
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7
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* object. Any additional arguments are provided to `func` when it's invoked.
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8
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*
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9
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* @static
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10
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* @memberOf _
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11
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* @since 3.0.0
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12
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* @category Util
|
13
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* @param {Function} func The function to attempt.
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14
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* @param {...*} [args] The arguments to invoke `func` with.
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15
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* @returns {*} Returns the `func` result or error object.
|
16
|
* @example
|
17
|
*
|
18
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* // Avoid throwing errors for invalid selectors.
|
19
|
* var elements = _.attempt(function(selector) {
|
20
|
* return document.querySelectorAll(selector);
|
21
|
* }, '>_>');
|
22
|
*
|
23
|
* if (_.isError(elements)) {
|
24
|
* elements = [];
|
25
|
* }
|
26
|
*/
|
27
|
var attempt = baseRest(function(func, args) {
|
28
|
try {
|
29
|
return apply(func, undefined, args);
|
30
|
} catch (e) {
|
31
|
return isError(e) ? e : new Error(e);
|
32
|
}
|
33
|
});
|
34
|
|
35
|
module.exports = attempt;
|