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on this file since 571e0df was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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1 | var apply = require('./_apply'),
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2 | baseRest = require('./_baseRest'),
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3 | isError = require('./isError');
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4 |
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5 | /**
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6 | * Attempts to invoke `func`, returning either the result or the caught error
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7 | * object. Any additional arguments are provided to `func` when it's invoked.
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8 | *
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9 | * @static
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10 | * @memberOf _
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11 | * @since 3.0.0
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12 | * @category Util
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13 | * @param {Function} func The function to attempt.
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14 | * @param {...*} [args] The arguments to invoke `func` with.
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15 | * @returns {*} Returns the `func` result or error object.
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16 | * @example
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17 | *
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18 | * // Avoid throwing errors for invalid selectors.
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19 | * var elements = _.attempt(function(selector) {
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20 | * return document.querySelectorAll(selector);
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21 | * }, '>_>');
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22 | *
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23 | * if (_.isError(elements)) {
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24 | * elements = [];
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25 | * }
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26 | */
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27 | var attempt = baseRest(function(func, args) {
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28 | try {
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29 | return apply(func, undefined, args);
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30 | } catch (e) {
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31 | return isError(e) ? e : new Error(e);
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32 | }
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33 | });
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34 |
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35 | module.exports = attempt;
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