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[READ-ONLY] Mirror of https://github.com/bombshell-dev/playground.
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TypeScript
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657// oxlint-disable bombshell-dev/no-generic-errorimport type { JsonValue } from "./types.ts";
export function validateJsonValue(value: unknown): asserts value is JsonValue { if (value === undefined) { throw new Error("undefined is not a valid JsonValue"); } if (typeof value === "number") { if (Number.isNaN(value)) { throw new Error("NaN is not a valid JsonValue"); } if (!Number.isFinite(value)) { throw new Error(`${value} is not a valid JsonValue`); } return; } if ( typeof value === "string" || typeof value === "boolean" || value === null ) { return; } if (typeof value === "function") { throw new Error("functions are not valid JsonValues"); } if (typeof value === "symbol") { throw new Error("symbols are not valid JsonValues"); } if (typeof value === "bigint") { throw new Error("bigints are not valid JsonValues"); } if (value instanceof Date) { throw new Error("Date instances are not valid JsonValues"); } if (value instanceof Map) { throw new Error("Map instances are not valid JsonValues"); } if (value instanceof Set) { throw new Error("Set instances are not valid JsonValues"); } if (value instanceof RegExp) { throw new Error("RegExp instances are not valid JsonValues"); } if (Array.isArray(value)) { for (const item of value) { validateJsonValue(item); } return; } if (typeof value === "object" && value !== null) { for (const key of Object.keys(value)) { validateJsonValue((value as Record<string, unknown>)[key]); } return; } throw new Error(`${String(value)} is not a valid JsonValue`);}