27 lines
1.1 KiB
TypeScript
27 lines
1.1 KiB
TypeScript
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import z from 'zod';
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/** Validate to Mastodon's date format, or use the current date. */
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const dateSchema = z.string().datetime({ offset: true }).catch(new Date().toUTCString());
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/** Validates individual items in an array, dropping any that aren't valid. */
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const filteredArray = <T extends z.ZodTypeAny>(schema: T) =>
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z.any().array().catch([])
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.transform((arr) => (
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arr.map((item) => {
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const parsed = schema.safeParse(item);
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return parsed.success ? parsed.data : undefined;
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}).filter((item): item is z.infer<T> => Boolean(item))
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));
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/** Validates the string as an emoji. */
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const emojiSchema = z.string().refine((v) => /\p{Extended_Pictographic}|[\u{1F1E6}-\u{1F1FF}]{2}/u.test(v));
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/** MIME schema, eg `image/png`. */
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const mimeSchema = z.string().regex(/^\w+\/[-+.\w]+$/);
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/** zod schema to force the value into an object, if it isn't already. */
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const coerceObject = <T extends z.ZodRawShape>(shape: T) =>
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z.object({}).passthrough().catch({}).pipe(z.object(shape));
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export { filteredArray, emojiSchema, dateSchema, mimeSchema, coerceObject };
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