define(['./_baseRange', './_isIterateeCall', './toNumber'], function(baseRange, isIterateeCall, toNumber) { /** Used as a safe reference for `undefined` in pre-ES5 environments. */ var undefined; /** * Creates a `_.range` or `_.rangeRight` function. * * @private * @param {boolean} [fromRight] Specify iterating from right to left. * @returns {Function} Returns the new range function. */ function createRange(fromRight) { return function(start, end, step) { if (step && typeof step != 'number' && isIterateeCall(start, end, step)) { end = step = undefined; } // Ensure the sign of `-0` is preserved. start = toNumber(start); start = start === start ? start : 0; if (end === undefined) { end = start; start = 0; } else { end = toNumber(end) || 0; } step = step === undefined ? (start < end ? 1 : -1) : (toNumber(step) || 0); return baseRange(start, end, step, fromRight); }; } return createRange; });