Implement 3rd party libraries(based on javascript) with typescript. Typescript doesn't recognize a library built with javascript.
- Even though the author didn’t provide typings, there’s still a chance that the wider TypeScript community has stepped in to provide them through the Definitely Typed repository.
npm i @types/my-untyped-module
Lodash
npm i lodashnpm install --save @types/lodash
Declare
<!-- index.html -->
<body>
<script>
var GLOBAL = 'This is test'
</script>
</body>// app.ts
declare var GLOBAL: string;
console.log(GLOBAL) // This is test
Hello World.