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Diffstat (limited to 'src/state/lib/type-guards.ts')
-rw-r--r-- | src/state/lib/type-guards.ts | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/state/lib/type-guards.ts b/src/state/lib/type-guards.ts index 4ae31f3ac..8fe651ffb 100644 --- a/src/state/lib/type-guards.ts +++ b/src/state/lib/type-guards.ts @@ -8,3 +8,7 @@ export function hasProp<K extends PropertyKey>( ): data is Record<K, unknown> { return prop in data } + +export function isStrArray(v: unknown): v is string[] { + return Array.isArray(v) && v.every(item => typeof item === 'string') +} |