types-json

Type checking for JSON objects.

If I should maintain this repo, please ⭐️

DM me on Twitter if you have questions or suggestions.

types-json

Type checking for JSON objects.

Derived from type-fest with a focus on JSON types.

Installation

yarn add types-json

npm install types-json

API

Types

import {
  isJSONValue,
  isJSONObject,
  isJSONArray,
  isString,
  isNumber,
  isBoolean,
  isNull,
  isUndefined,
  JSONObject,
  JSONValue,
  JSONArray
} from "types-json";

function isJSONValue(object?: JSONValue): boolean;

function isJSONObject(object?: JSONValue): boolean;

function isJSONArray(object?: JSONValue): boolean;

function isString(object?: JSONValue): boolean;

function isNumber(object?: JSONValue): boolean;

function isBoolean(object?: JSONValue): boolean;

function isNull(object?: JSONValue): boolean;

function isUndefined(object?: JSONValue): boolean;

type JSONObject = {
  [key in string]?: JSONValue
};

type JSONValue = string | number | boolean | null | JSONObject | JSONArray;

interface JSONArray extends Array<JSONValue> {};