ES6 Modules: Export Single Class or Multiple Methods?

ES6 Modules: Exporting Multiple or Individual Methods

ES6 modules provide flexible mechanisms for exporting and importing methods. Two primary options are available: exporting a single class with static methods or multiple individual methods.

Exporting:

Instead of using a class with static methods, consider using a normal "module" object for export:

// myMethods.js
export default {
  myMethod1() { /* ... */ },
  myMethod2() { /* ... */ }
};

Importing:

For importing multiple methods, the preferred approach is to define named exports:

// app.js
import {myMethod1, myMethod2} from 'myMethods';
myMethod1(); // logs 'foo'

Comparison:

Exporting: Using a module object instead of a class with static methods reduces code complexity.

Importing: While the " as" syntax allows for convenient dot notation, it may not be suitable in all contexts. Named exports provide more explicit references to imported modules.

Performance Implications:

Performance differences are minimal between exporting a class or individual methods. Optimization techniques such as JIT may favor named exports and smaller file sizes, however, noticeable improvements are unlikely.

Conclusion:

The choice between exporting a single class or multiple methods depends on maintainability and developer preference. While the " as" syntax offers certain advantages, named exports are generally a more robust and flexible approach for importing multiple methods.

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