Provide typescript umd global types.

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Summary 💡

Just like the module “@types/react”, it declares a global variable React. If I set allowUmdGlobalAccess to true in tsconfig.json, I can use it directly. “material-ui” should declare the MaterialUI, because in js file it is actually defined.

Examples 🌈

compile this without any import statement.

ReactDOM.render(<MaterialUI.Button>aaa</MaterialUI.Button>,document.getElementById("xxx"));

Motivation 🔦

[heroboy]

hello @oliviertassinari, I think this will not impact non-UMD users. Because if a ts file is a module that use import or export, the umd global is not visible. Unless you set the https://www.typescriptlang.org/en/tsconfig#allowUmdGlobalAccess to true.

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And why do you think there are +99% users that use non-UMD? I am not a professional front-end programmer. I have some reasons that use the UMD version.

1. Fast compile, I don’t need to bundle the very large material-ui and its dependencies to target file.
2. Easy to setup, because I don’t need to bundle the modules in ‘node_module’

[heroboy]

I think for jquery, it just declare the global variable $ and jQuery in misc.d.ts.