| 1 | import { isString } from './nodash';
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| 2 | import hasOwnProperty from './hasOwnProperty';
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| 3 | export function isDisabledOption(index, items) {
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| 4 | const option = items[index];
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| 5 | return !!option && !isString(option) && hasOwnProperty(option, 'disabled');
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| 6 | }
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| 7 | export function skipDisabledOptions(currentIndex, key, items) {
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| 8 | let newIndex = currentIndex;
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| 9 | while (isDisabledOption(newIndex, items)) {
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| 10 | newIndex += key === 'ArrowUp' ? -1 : 1;
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| 11 | }
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| 12 | return newIndex;
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| 13 | }
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| 14 | export default function getUpdatedActiveIndex(currentIndex, key, items) {
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| 15 | let newIndex = currentIndex;
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| 16 | newIndex += key === 'ArrowUp' ? -1 : 1;
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| 17 | newIndex = skipDisabledOptions(newIndex, key, items);
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| 18 | if (newIndex === items.length) {
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| 19 | newIndex = -1;
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| 20 | }
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| 21 | else if (newIndex === -2) {
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| 22 | newIndex = items.length - 1;
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| 23 | newIndex = skipDisabledOptions(newIndex, key, items);
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| 24 | }
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| 25 | return newIndex;
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| 26 | }
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