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