32 lines
1.1 KiB
TypeScript
32 lines
1.1 KiB
TypeScript
import * as v from 'valibot';
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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>(schema: v.BaseSchema<any, T, v.BaseIssue<unknown>>) =>
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v.pipe(
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v.fallback(v.array(v.any()), []),
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v.transform((arr) => (
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arr.map((item) => {
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const parsed = v.safeParse(schema, item);
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return parsed.success ? parsed.output : undefined;
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}).filter((item): item is T => Boolean(item))
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)),
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);
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/** Validates the string as an emoji. */
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const emojiSchema = v.pipe(v.string(), v.emoji());
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/** MIME schema, eg `image/png`. */
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const mimeSchema = v.pipe(v.string(), v.regex(/^\w+\/[-+.\w]+$/));
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/** valibot schema to force the value into an object, if it isn't already. */
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const coerceObject = <T extends v.ObjectEntries>(shape: T) =>
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v.pipe(
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v.any(),
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v.transform((input) => typeof input === 'object' ? input : {}),
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v.object(shape),
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);
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export { filteredArray, emojiSchema, dateSchema, mimeSchema, coerceObject };
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