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JavaScript

/* Native method references for those with the same name as other `lodash` methods. */
var nativeMax = Math.max,
nativeMin = Math.min;
/**
* Checks if `n` is between `start` and up to but not including, `end`. If
* `end` is not specified it's set to `start` with `start` then set to `0`.
*
* @static
* @memberOf _
* @category Number
* @param {number} n The number to check.
* @param {number} [start=0] The start of the range.
* @param {number} end The end of the range.
* @returns {boolean} Returns `true` if `n` is in the range, else `false`.
* @example
*
* _.inRange(3, 2, 4);
* // => true
*
* _.inRange(4, 8);
* // => true
*
* _.inRange(4, 2);
* // => false
*
* _.inRange(2, 2);
* // => false
*
* _.inRange(1.2, 2);
* // => true
*
* _.inRange(5.2, 4);
* // => false
*/
function inRange(value, start, end) {
start = +start || 0;
if (end === undefined) {
end = start;
start = 0;
} else {
end = +end || 0;
}
return value >= nativeMin(start, end) && value < nativeMax(start, end);
}
module.exports = inRange;