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2026-1--study--mathmod
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node_modules/lodash/before.js
40 строк
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Елизавета Постнова
feat(lab): lab04
24 мар 2026, 02:59
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24 мар 2026, 02:59
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var toInteger = require('./toInteger'); /** Error message constants. */ var FUNC_ERROR_TEXT = 'Expected a function'; /** * Creates a function that invokes `func`, with the `this` binding and arguments * of the created function, while it's called less than `n` times. Subsequent * calls to the created function return the result of the last `func` invocation. * * @static * @memberOf _ * @since 3.0.0 * @category Function * @param {number} n The number of calls at which `func` is no longer invoked. * @param {Function} func The function to restrict. * @returns {Function} Returns the new restricted function. * @example * * jQuery(element).on('click', _.before(5, addContactToList)); * // => Allows adding up to 4 contacts to the list. */ function before(n, func) { var result; if (typeof func != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } n = toInteger(n); return function() { if (--n > 0) { result = func.apply(this, arguments); } if (n <= 1) { func = undefined; } return result; }; } module.exports = before;