Introduction to Active Imports
Active Imports is a powerful library enabling dynamic and modular imports in your application. This makes your application more maintainable, scalable, and flexible. In this blog post, we will dive deep into Active Imports and explore dozens of its useful APIs with comprehensive code snippets. By the end, you will have everything you need to integrate Active Imports into your own projects.
Key APIs of Active Imports
1. `activeImport` Function
The activeImport
function allows you to import modules dynamically. Below is an example:
import { activeImport } from 'active-imports';
async function loadModule() {
const module = await activeImport('moduleName');
module.doSomething();
}
loadModule();
2. `configureImport` Function
The configureImport
function sets configurations for active imports. Example usage:
import { configureImport } from 'active-imports';
configureImport({
modulePath: './modules',
cache: true,
});
3. `preloadModules` Function
This function preloads specified modules to improve performance during runtime:
import { preloadModules } from 'active-imports';
preloadModules(['moduleA', 'moduleB', 'moduleC']);
4. `getImportedModule` Function
Retrieve a previously imported module using:
import { getImportedModule } from 'active-imports';
const moduleA = getImportedModule('moduleA'); moduleA.doSomething();
App Example Using Active Imports
Let’s create a simple app that dynamically imports and uses a utility module.
import { activeImport, configureImport, preloadModules } from 'active-imports';
// Configure Active Imports configureImport({
modulePath: './utils',
cache: true,
});
// Preload commonly used modules preloadModules(['logger', 'auth']);
async function runApp() {
// Dynamically import a logger module
const logger = await activeImport('logger');
logger.log('App started');
// Dynamically import an authentication module
const auth = await activeImport('auth');
auth.login('user', 'password');
}
runApp();
In the example above, we set up our module path and cache using configureImport
, preloaded the logger and auth modules with preloadModules
, and then dynamically imported and used these modules within our runApp
function.
For more in-depth details, refer to the Active Imports documentation.
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