What is the best way to define a global variable in TypeScript and access it throughout a Vue application?

In my main.ts file, I am looking to define a variable that can be accessed in all Vue files.

Within my sfc.d.ts file, the following content is included:

declare module '*.vue' {
   import Vue from 'vue'
   export default Vue
}

declare var foo: any;

I have set a value for foo = "1234" in main.ts. What is the best way to access this variable foo in all Vue files? Alternatively, is there another method to create a global variable for universal use?

Answer â„–1


  declare global {
    const bar: string;
  }

Nevertheless, it should be noted that this approach is considered an anti-pattern and not recommended for use in a production environment.

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