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29 lines
850 B
JavaScript
29 lines
850 B
JavaScript
6 years ago
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/* Built-in method references for those with the same name as other `lodash` methods. */
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var nativeCeil = Math.ceil,
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nativeMax = Math.max;
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/**
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* The base implementation of `_.range` and `_.rangeRight` which doesn't
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* coerce arguments.
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*
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* @private
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* @param {number} start The start of the range.
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* @param {number} end The end of the range.
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* @param {number} step The value to increment or decrement by.
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* @param {boolean} [fromRight] Specify iterating from right to left.
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* @returns {Array} Returns the range of numbers.
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*/
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function baseRange(start, end, step, fromRight) {
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var index = -1,
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length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),
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result = Array(length);
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while (length--) {
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result[fromRight ? length : ++index] = start;
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start += step;
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}
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return result;
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}
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module.exports = baseRange;
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