Nuxt Property Decorator

Handy ES / TypeScript decorators for class-style Vue components in Nuxt (based on Vue class component) and Property decorators for Vue (bases on Vue Property Decorator) and Vuex (based on Vuex Class)

This library fully depends on vue-class-component.

License

MIT License

Install

Installation is very easy

``bash
npm i -S nuxt-property-decorator
`

or

`bash
yarn add nuxt-property-decorator
`

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It works out of the box with Nuxt JS.

$3

It works out of the box with Nuxt TS.

Decorators and helpers

There are following decorators:

- Nuxt specific decorators
- @Off - decorator of \$off
- @On- decorator of \$on
- @Once- decorator of \$once
- @NextTick -decorator of \$nextTick

- exported from vue-class-component
- @Component
- exported from vue-property-decorator

- @Emit
- @Inject
- @InjectReactive
- @Model
- @ModelSync
- @Prop
- @PropSync
- @Provide
- @ProvideReactive
- @Ref
- @VModel
- @Watch

- exported from vuex-class

- @State
- @Getter
- @Action
- @Mutation

- exported from vuex-module-decorators
- Module,
- getModule,
- VuexModule,
- VuexMutation (Mutation from original renamed to avoid conflict with 'vuex-class' one),
- MutationAction,
- VuexAction (Action from original renamed to avoid conflict with 'vuex-class' one),

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- namespace
- mixins
- Vue

Hooks

$3

- beforeRouteEnter
- beforeRouteUpdate
- beforeRouteLeave

$3

- asyncData
- fetch
- fetchOnServer
- head
- key
- layout
- loading
- middleware
- scrollToTop
- transition
- validate
- watchQuery
- meta

$3

- data
- beforeCreate
- created
- beforeMount
- mounted
- beforeDestroy
- destroyed
- beforeUpdate
- updated
- activated
- deactivated
- render
- errorCaptured
- serverPrefetch

Usage

`typescript
import {
Component,
Inject,
Model,
Prop,
Provide,
Vue,
Watch,
} from "nuxt-property-decorator"

const s = Symbol("baz")

@Component({
components: { comp },
})
export class MyComponent extends Vue {
@Inject() foo!: string
@Inject("bar") bar!: string
@Inject(s) baz!: string

@Model("change") checked!: boolean

@Prop()
propA!: number

@Prop({ default: "default value" })
propB!: string

@Prop([String, Boolean])
propC!: string | boolean

@Prop({ type: null })
propD!: any

@Provide() foo = "foo"
@Provide("bar") baz = "bar"

@Watch("child")
onChildChanged(val: string, oldVal: string) {}

@Watch("person", { immediate: true, deep: true })
onPersonChanged(val: Person, oldVal: Person) {}

beforeRouteLeave(to, from, next) {
// called when the route that renders this component is about to
// be navigated away from.
// has access to this component instance.
}
}
`

is equivalent to

`js
const s = Symbol("baz")

export const MyComponent = Vue.extend({
name: "MyComponent",
components: { comp },
inject: {
foo: "foo",
bar: "bar",
[s]: s,
},
model: {
prop: "checked",
event: "change",
},
props: {
checked: Boolean,
propA: Number,
propB: {
type: String,
default: "default value",
},
propC: [String, Boolean],
propD: { type: null },
},
data() {
return {
foo: "foo",
baz: "bar",
}
},
provide() {
return {
foo: this.foo,
bar: this.baz,
}
},
methods: {
onChildChanged(val, oldVal) {},
onPersonChanged(val, oldVal) {},
},
beforeRouteLeave(to, from, next) {
// called when the route that renders this component is about to
// be navigated away from.
// has access to this component instance.
},
watch: {
child: {
handler: "onChildChanged",
immediate: false,
deep: false,
},
person: {
handler: "onPersonChanged",
immediate: true,
deep: true,
},
},
})
`

As you can see at propA and propB, the type can be inferred automatically when it's a simple type. For more complex types like enums you do need to specify it specifically.
Also this library needs to have emitDecoratorMetadata set to true` for this to work.

Useful links

See also:

- Vue Property Decorator
- Vue class component
- Vuex Class
- Nuxt Class Component