What is @types/tapable?
The @types/tapable package provides TypeScript type definitions for the Tapable library, which is used primarily in webpack for its plugin architecture. Tapable allows you to add and apply plugins to a JavaScript project. It offers various hooks like SyncHook, AsyncParallelHook, and more, which can be used to handle synchronous and asynchronous operations.
What are @types/tapable's main functionalities?
SyncHook
SyncHook allows for the synchronous execution of functions. The functions attached via `tap` will be executed in the order they were added when `call` is invoked.
import { SyncHook } from 'tapable';
const hook = new SyncHook(['arg1']);
hook.tap('PluginName', (arg1) => {
console.log(`Value received: ${arg1}`);
});
hook.call('test');
AsyncParallelHook
AsyncParallelHook allows for the parallel execution of asynchronous functions. Functions can be added using `tapPromise` and are executed with `promise`.
import { AsyncParallelHook } from 'tapable';
const asyncHook = new AsyncParallelHook(['arg1']);
asyncHook.tapPromise('PluginName', (arg1) => {
return new Promise((resolve, reject) => {
setTimeout(() => {
console.log(`Async value: ${arg1}`);
resolve();
}, 1000);
});
});
asyncHook.promise('test').then(() => {
console.log('All async plugins have finished');
});
Other packages similar to @types/tapable
mitt
Mitt is a tiny functional event emitter / pubsub library. It offers similar event handling capabilities but lacks the sophisticated hook system and the distinction between synchronous and asynchronous operations found in Tapable.
eventemitter3
EventEmitter3 is a high-performance event emitter. While it provides efficient event handling like Tapable, it does not support the hook-based plugin architecture that allows for ordered execution and lifecycle management in Tapable.