Types
isJSON

Checks whether the given string is a valid JSON (opens in a new tab) object.

Syntax

import { isJSON } from '@opentf/std';
 
isJSON(str: string): boolean;

Examples

// Falsy cases
// ***********
 
isJSON(""); //=> false
 
isJSON("undefined"); //=> false
 
isJSON("null"); //=> false
 
isJSON("true"); //=> false
 
isJSON("false"); //=> false
 
isJSON("1"); //=> false
 
isJSON("12345"); //=> false
 
isJSON("abc"); //=> false
 
isJSON("{a}"); //=> false
 
isJSON("{a:}"); //=> false
 
isJSON("{a:1}"); //=> false
 
isJSON('{"a": undefined}'); //=> false
 
isJSON("[]"); //=> false
 
// Truthy cases
// ************
 
isJSON("{}"); //=> true
 
isJSON('{"a":1}'); //=> true
 
isJSON(
  '{"a": "abc", "b": true, "c": false, "d": [{"e": 1}, null, 5.0], "f": {}}'
); //=> true

Try

isInfinityisMap