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| author | MeiMei <30769358+mei23@users.noreply.github.com> | 2019-09-27 04:58:28 +0900 |
|---|---|---|
| committer | syuilo <Syuilotan@yahoo.co.jp> | 2019-09-27 04:58:28 +0900 |
| commit | e14509574d534a74fcebf9515146b028bbdec153 (patch) | |
| tree | c49aa610bb703ce9b7903059235e69fec3eead11 /src/prelude/array.ts | |
| parent | Use mk-frac (diff) | |
| download | sharkey-e14509574d534a74fcebf9515146b028bbdec153.tar.gz sharkey-e14509574d534a74fcebf9515146b028bbdec153.tar.bz2 sharkey-e14509574d534a74fcebf9515146b028bbdec153.zip | |
AP featured collectionの修正 / Collection Activityの対応 / typeの修正など (#5460)
* resolver type / fix updateFeatured
* type ApObject
* fix strange type
* AP Activity
* Collection Activityが失敗したらとりあえず無視
Diffstat (limited to 'src/prelude/array.ts')
| -rw-r--r-- | src/prelude/array.ts | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/prelude/array.ts b/src/prelude/array.ts index 44482c57cd..839bbc920b 100644 --- a/src/prelude/array.ts +++ b/src/prelude/array.ts @@ -120,3 +120,11 @@ export function cumulativeSum(xs: number[]): number[] { export function fromEntries(xs: [string, any][]): { [x: string]: any; } { return xs.reduce((obj, [k, v]) => Object.assign(obj, { [k]: v }), {} as { [x: string]: any; }); } + +export function toArray<T>(x: T | T[] | undefined): T[] { + return Array.isArray(x) ? x : x != null ? [x] : []; +} + +export function toSingle<T>(x: T | T[] | undefined): T | undefined { + return Array.isArray(x) ? x[0] : x; +} |