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feat: InferPgEnum utility type #4378

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feat: InferPgEnum utility type #4378

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2 changes: 2 additions & 0 deletions drizzle-orm/src/pg-core/columns/enum.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,8 @@ export interface PgEnum<TValues extends [string, ...string[]]> {
[isPgEnumSym]: true;
}

export type InferPgEnum<T extends PgEnum<any>> = T['enumValues'][number];

export function isPgEnum(obj: unknown): obj is PgEnum<[string, ...string[]]> {
return !!obj && typeof obj === 'function' && isPgEnumSym in obj && obj[isPgEnumSym] === true;
}
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