What is the syntax for creating a globalThis variable in Typescript?

I've been researching how to properly declare globals in Typescript for my project. However, I'm having trouble finding the most updated solution.

Currently, I am working on getting my custom global declares set up with a d.ts file. My Typescript project is built and bundled using webpack/ts-loader.

Here is a glimpse of my tsconfig.json file. Despite some guides suggesting that I don't need to set typeRoots, I have tried it both with and without but encountered the same results.

{
    "files": [
        "app.ts",
    ],
    "compilerOptions": {
        "emitDecoratorMetadata": true,
        "experimentalDecorators": true,
        "module": "commonjs",
        "moduleResolution": "node",
        "noImplicitAny": false,
        "target": "es5",
        "declaration": false,
        "sourceMap": true,
        "skipLibCheck": true,
        "lib": ["es6", "dom"],
        "esModuleInterop": true,
        "typeRoots": [
            "./typings/",
            "../../../../../node_modules/@types/"
        ]
    }
}

My d.ts file, named soho.d.ts, includes the following declarations:

declare global {
    namespace Soho {

    }
    interface Window {
        Soho: Soho;
    }

    interface Soho {
        Locale: any;
    }
}

However, I am encountering this error in webpack:

TS2304: Cannot find name 'Soho'

When trying to use my global in the code like this:

Soho.Locale

Do you think there might be an issue with my tsconfig.json or perhaps with my d.ts file?

Answer №1

I've encountered an issue within my tsconfig.json configuration file. The problem lies in the specific files property, which instructs Typescript to only utilize that particular file during compilation.

As a result, my custom d.ts files were overlooked, leading to errors.

To resolve this issue, one can either eliminate the files property altogether or include the folder containing the custom d.ts using the include property.

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