How Can I Pass Options to ES6 Module Imports?

Passing Options to ES6 Module Imports

Classic CommonJS modules allow you to pass options to a module when importing it, using the require() function. However, in ES6 module syntax, the import statement does not allow for invocations like this.

There is no straightforward way to replicate this behavior with a single import statement in ES6. However, there are several approaches you can consider:

Default Exports with a Function:

ES6 modules support default exports, which you can use to create a wrapper function that accepts options.

// module.js
export default function(options) {
    return {
        // Actual module implementation
    }
}

// main.js
import m from 'module';
const x = m(someOptions);

Monadic Promises (with Module Loaders):

Certain module loaders, such as SystemJS, support monadic promises. This allows you to use a feature called ap to pass options to a module import.

System.import('module').ap(someOptions).then(function(x) {
    …
});

Dynamic Imports with Promises:

The new import operator introduced in recent versions of JavaScript can be used to perform dynamic imports, which can be combined with Promise chaining to pass options.

const promise = import('module').then(m => m.default(someOptions));

Static Imports with Promises (experimental):

In experimental JavaScript versions, it is possible to perform static imports with promises, allowing you to pass options more elegantly.

const x = (await import('module')).default(someOptions)

Remember, when choosing an approach, consider the specific requirements of your application and ensure that the module you're importing supports the desired functionality.

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