Using TypeScript with Vue allows you to customize the default export of Vue

Currently experimenting with Vue and TypeScript, attempting to compile to AMD in my tsconfig file.

The type definition in vue/types/index.d.ts for Vue.js includes:

export default Vue;

However, this results in TypeScript compiling it like this:

import Vue as "vue";
export default Vue.extend({ ... });

which ultimately becomes:

define(["vue"], function(vue) {
  exports.default = vue.default.extend({  ... })
});

The issue lies in TypeScript expecting a .default property on 'vue', which does not exist. Wondering if there is a way to override the default type definition for Vue that would look something like:

export = Vue;

or perhaps a configuration flag in tsconfig to prevent TypeScript from adding the .default property to the compiled AMD module?

Answer №1

When the esModuleInterop compiler option is enabled, TypeScript will generate code that checks for both vue and vue.default at runtime.

Despite the inaccurate Vue type declaration, it may not be well-received if a new issue is opened about it due to a previous issue raised on this thread.

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