23 lines
1.0 KiB
TypeScript
23 lines
1.0 KiB
TypeScript
import { z } from "zod";
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export type AssertUniqueType<T extends Record<string, unknown>> = z.ZodEffects<z.ZodArray<z.ZodType<T>>, T[], unknown>;
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export function generateUniqueValidator<T extends Record<string, unknown>>(validator: z.ZodType<T>, ...keys: (keyof T)[]) {
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return validator.array().refine((val) => {
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for (const key of keys ?? []) {
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const values = val.map((item) => item[key as keyof T]);
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return values.length === new Set(values).size;
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}
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}, {
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message: "Encountered duplicate values in unique field"
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}) satisfies AssertUniqueType<T>;
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}
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export function assertUniqueKeys<T extends Record<string, unknown>>(data: T[], validator: z.ZodType<T>, ...keys: (keyof T)[]) {
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return generateUniqueValidator(validator, ...keys).parse(data) satisfies T[];
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}
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export async function assertUniqueKeysAsync<T extends Record<string, unknown>>(data: T[], validator: z.ZodType<T>, ...keys: (keyof T)[]) {
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return generateUniqueValidator(validator, ...keys).parseAsync(data) satisfies Promise<T[]>;
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}
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