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Merge branch 'master' of github.com:LeanAdmin/alpine-typescript

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Samuel Štancl 2021-02-26 22:17:47 +01:00
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# TypeScript support for Alpine.js
This package comes with a light TypeScript layer which provides full support for class components in Alpine.js.
This package provides full support for class components in Alpine.js using a thin TypeScript layer.
It's used like this:
**Register a component**
```ts
import { DarkModeToggle }
import { DarkModeToggle } from './darkModeToggle';
Alpine.component('DarkModeToggle', DarkModeToggle);
Alpine.component('darkModeToggle', DarkModeToggle);
```
**Use it the template**
**Use it a template**
```html
<div x-data="Alpine.component('DarkModeToggle')()" x-init="init()">
<div x-data="Alpine.component('darkModeToggle')()" x-init="init()">
<button type="button" @click="switchTheme()">Switch theme</button>
</div>
```
@ -21,27 +21,33 @@ Alpine.component('DarkModeToggle', DarkModeToggle);
## Installation
```
npm install --save-dev github:leanadmin/alpine-typescript
npm install --save-dev @leanadmin/alpine-typescript
```
The package will automatically initialize itself when needed, i.e. when one of its components is used in the currently executed JS bundle.
If you'd like to initialize it manually, you can use:
```ts
// todo
import { bootstrap } from '@leanadmin/alpine-typescript';
bootstrap();
```
## Usage
You can get a component by calling `Alpine.component('component-name')(arg1, arg2)`. If your component has no arguments, still append the `()` after the call.
You can use a component by calling `Alpine.component('componentName')(arg1, arg2)`. If your component has no arguments, still append `()` at the end of the call.
The `component()` call itself returns a function that creates an instance of the component. Invoking the function ensures that the component has a unique instance each time.
The `component()` call itself returns a function for creating instances of the component. Invoking the function ensures that the component has a unique instance each time.
```html
<div x-data="Alpine.component('DarkModeToggle')()" x-init="init()">
<div x-data="Alpine.component('darkModeToggle')()" x-init="init()">
<button type="button" @click="switchTheme()">Switch theme</button>
</div>
```
```html
<div x-data="Alpine.component('SearchableSelect')({ options: ['Foo', 'Bar'] })" x-init="init()">
<div x-data="Alpine.component('searchableSelect')({ options: ['Foo', 'Bar'] })" x-init="init()">
<div x-spread="options">
...
</div>
@ -53,8 +59,8 @@ The `component()` call itself returns a function that creates an instance of the
To create a component, you need to create the component object and register it using one of the provided helpers.
Component objects can be:
- functions returning plain objects
- classes
- functions returning plain objects
In the context of plain objects, the wrapper function acts as a constructor that can pass initial data to the object.
@ -98,7 +104,7 @@ registerComponents(files);
You can create class components by extending `AlpineComponent` and exporting the class as `default`.
The `AlpineComponent` provides IDE support for Alpine's magic properties. This means that you can use `this.$el`, `this.$nextTick(() => this.foo = this.bar)`, and more with full type support.
`AlpineComponent` provides full IDE support for Alpine's magic properties. This means that you can use `this.$el`, `this.$nextTick(() => this.foo = this.bar)`, and more with perfect type enforcement.
```ts
import { AlpineComponent } from '@leanadmin/alpine-typescript';
@ -134,7 +140,7 @@ export default class DarkModeToggle extends AlpineComponent {
## Plain object components
To register a plain object as an Alpine component, return a function that wraps the object like this:
To register a plain object as an Alpine component, export a function that wraps the object like this:
```ts
export default (foo: string, bar: number) => ({
foo,
@ -146,7 +152,7 @@ export default (foo: string, bar: number) => ({
})
```
The function will serve as a "constructor" for the object, setting default values and anything else you might need.
The function will serve as a "constructor" for the object, setting default values and anything else that's needed.
Note that the `=> ({` part is just syntactic sugar, you're free to use `return` if it's useful in your case: