How can you utilize a JavaScript library that provides global variables in Typescript?

I am closely adhering to the guidance provided in the official manual for declaration.

Global library

// example.js
example = 20;

Declaration file

// example.d.ts
declare const let example: number;

Implementing the declaration file and library

// index.ts
/// <reference path="./example.d.ts" />
console.log(example);

An error message is displayed:

Cannot find name 'example'. (2304)

I have posted a related question, but the issue has not been resolved. I understand the concept and have thoroughly studied the official guidelines. However, while the official guide explains how to write a declaration file, it lacks examples on importing the declared file properly.

Could you assist me in modifying the code to make the above scenario functional?

Answer №1

Issue lies within the syntax errors in your declaration file. To define foo as a read-only variable, utilize the following syntax:

declare const foo: number;

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