38 lines
894 B
JavaScript
38 lines
894 B
JavaScript
import { isAnyArray } from 'is-any-array';
|
|
|
|
export default function max(input, options = {}) {
|
|
if (!isAnyArray(input)) {
|
|
throw new TypeError('input must be an array');
|
|
}
|
|
|
|
if (input.length === 0) {
|
|
throw new TypeError('input must not be empty');
|
|
}
|
|
|
|
const { fromIndex = 0, toIndex = input.length } = options;
|
|
|
|
if (
|
|
fromIndex < 0 ||
|
|
fromIndex >= input.length ||
|
|
!Number.isInteger(fromIndex)
|
|
) {
|
|
throw new Error('fromIndex must be a positive integer smaller than length');
|
|
}
|
|
|
|
if (
|
|
toIndex <= fromIndex ||
|
|
toIndex > input.length ||
|
|
!Number.isInteger(toIndex)
|
|
) {
|
|
throw new Error(
|
|
'toIndex must be an integer greater than fromIndex and at most equal to length',
|
|
);
|
|
}
|
|
|
|
let maxValue = input[fromIndex];
|
|
for (let i = fromIndex + 1; i < toIndex; i++) {
|
|
if (input[i] > maxValue) maxValue = input[i];
|
|
}
|
|
return maxValue;
|
|
}
|