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Commit | Line | Data |
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1 | function findCommonElement <T> (array1: T[], array2: T[]) { | |
2 | for (const a of array1) { | |
3 | for (const b of array2) { | |
4 | if (a === b) return a | |
5 | } | |
6 | } | |
7 | ||
8 | return null | |
9 | } | |
10 | ||
11 | // Avoid conflict with other toArray() functions | |
12 | function arrayify <T> (element: T | T[]) { | |
13 | if (Array.isArray(element)) return element | |
14 | ||
15 | return [ element ] | |
16 | } | |
17 | ||
18 | export { | |
19 | findCommonElement, | |
20 | arrayify | |
21 | } |