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TypeScript-first schema declaration and validation library with static type inference

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import * as util from "../core/util.js"; const error = () => { const Sizable = { string: { unit: "tegn", verb: "havde" }, file: { unit: "bytes", verb: "havde" }, array: { unit: "elementer", verb: "indeholdt" }, set: { unit: "elementer", verb: "indeholdt" }, }; const TypeNames = { string: "streng", number: "tal", boolean: "boolean", array: "liste", object: "objekt", set: "sæt", file: "fil", }; function getSizing(origin) { return Sizable[origin] ?? null; } function getTypeName(type) { return TypeNames[type] ?? type; } const parsedType = (data) => { const t = typeof data; switch (t) { case "number": { return Number.isNaN(data) ? "NaN" : "tal"; } case "object": { if (Array.isArray(data)) { return "liste"; } if (data === null) { return "null"; } if (Object.getPrototypeOf(data) !== Object.prototype && data.constructor) { return data.constructor.name; } return "objekt"; } } return t; }; const Nouns = { regex: "input", email: "e-mailadresse", url: "URL", emoji: "emoji", uuid: "UUID", uuidv4: "UUIDv4", uuidv6: "UUIDv6", nanoid: "nanoid", guid: "GUID", cuid: "cuid", cuid2: "cuid2", ulid: "ULID", xid: "XID", ksuid: "KSUID", datetime: "ISO dato- og klokkeslæt", date: "ISO-dato", time: "ISO-klokkeslæt", duration: "ISO-varighed", ipv4: "IPv4-område", ipv6: "IPv6-område", cidrv4: "IPv4-spektrum", cidrv6: "IPv6-spektrum", base64: "base64-kodet streng", base64url: "base64url-kodet streng", json_string: "JSON-streng", e164: "E.164-nummer", jwt: "JWT", template_literal: "input", }; return (issue) => { switch (issue.code) { case "invalid_type": return `Ugyldigt input: forventede ${getTypeName(issue.expected)}, fik ${getTypeName(parsedType(issue.input))}`; case "invalid_value": if (issue.values.length === 1) return `Ugyldig værdi: forventede ${util.stringifyPrimitive(issue.values[0])}`; return `Ugyldigt valg: forventede en af følgende ${util.joinValues(issue.values, "|")}`; case "too_big": { const adj = issue.inclusive ? "<=" : "<"; const sizing = getSizing(issue.origin); const origin = getTypeName(issue.origin); if (sizing) return `For stor: forventede ${origin ?? "value"} ${sizing.verb} ${adj} ${issue.maximum.toString()} ${sizing.unit ?? "elementer"}`; return `For stor: forventede ${origin ?? "value"} havde ${adj} ${issue.maximum.toString()}`; } case "too_small": { const adj = issue.inclusive ? ">=" : ">"; const sizing = getSizing(issue.origin); const origin = getTypeName(issue.origin); if (sizing) { return `For lille: forventede ${origin} ${sizing.verb} ${adj} ${issue.minimum.toString()} ${sizing.unit}`; } return `For lille: forventede ${origin} havde ${adj} ${issue.minimum.toString()}`; } case "invalid_format": { const _issue = issue; if (_issue.format === "starts_with") return `Ugyldig streng: skal starte med "${_issue.prefix}"`; if (_issue.format === "ends_with") return `Ugyldig streng: skal ende med "${_issue.suffix}"`; if (_issue.format === "includes") return `Ugyldig streng: skal indeholde "${_issue.includes}"`; if (_issue.format === "regex") return `Ugyldig streng: skal matche mønsteret ${_issue.pattern}`; return `Ugyldig ${Nouns[_issue.format] ?? issue.format}`; } case "not_multiple_of": return `Ugyldigt tal: skal være deleligt med ${issue.divisor}`; case "unrecognized_keys": return `${issue.keys.length > 1 ? "Ukendte nøgler" : "Ukendt nøgle"}: ${util.joinValues(issue.keys, ", ")}`; case "invalid_key": return `Ugyldig nøgle i ${issue.origin}`; case "invalid_union": return "Ugyldigt input: matcher ingen af de tilladte typer"; case "invalid_element": return `Ugyldig værdi i ${issue.origin}`; default: return `Ugyldigt input`; } }; }; export default function () { return { localeError: error(), }; }