53 lines
1.1 KiB
JavaScript
53 lines
1.1 KiB
JavaScript
var baseInRange = require('./_baseInRange'),
|
|
toNumber = require('./toNumber');
|
|
|
|
/**
|
|
* 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`.
|
|
* If `start` is greater than `end` the params are swapped to support
|
|
* negative ranges.
|
|
*
|
|
* @static
|
|
* @memberOf _
|
|
* @category Number
|
|
* @param {number} number 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 `number` 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
|
|
*
|
|
* _.inRange(-3, -2, -6);
|
|
* // => true
|
|
*/
|
|
function inRange(number, start, end) {
|
|
start = toNumber(start) || 0;
|
|
if (end === undefined) {
|
|
end = start;
|
|
start = 0;
|
|
} else {
|
|
end = toNumber(end) || 0;
|
|
}
|
|
number = toNumber(number);
|
|
return baseInRange(number, start, end);
|
|
}
|
|
|
|
module.exports = inRange;
|