{"ast":null,"code":"import toInteger from './toInteger.js';\n\n/** Error message constants. */\nvar FUNC_ERROR_TEXT = 'Expected a function';\n\n/**\n * Creates a function that invokes `func`, with the `this` binding and arguments\n * of the created function, while it's called less than `n` times. Subsequent\n * calls to the created function return the result of the last `func` invocation.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {number} n The number of calls at which `func` is no longer invoked.\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new restricted function.\n * @example\n *\n * jQuery(element).on('click', _.before(5, addContactToList));\n * // => Allows adding up to 4 contacts to the list.\n */\nfunction before(n, func) {\n  var result;\n  if (typeof func != 'function') {\n    throw new TypeError(FUNC_ERROR_TEXT);\n  }\n  n = toInteger(n);\n  return function () {\n    if (--n > 0) {\n      result = func.apply(this, arguments);\n    }\n    if (n <= 1) {\n      func = undefined;\n    }\n    return result;\n  };\n}\nexport default before;","map":null,"metadata":{},"sourceType":"module","externalDependencies":[]}