vue/types/options.d.ts

183 lines
5.8 KiB
TypeScript

import { Vue, CreateElement, CombinedVueInstance } from "./vue";
import { VNode, VNodeData, VNodeDirective } from "./vnode";
type Constructor = {
new (...args: any[]): any;
}
// we don't support infer props in async component
// N.B. ComponentOptions<V> is contravariant, the default generic should be bottom type
export type Component<Data=DefaultData<never>, Methods=DefaultMethods<never>, Computed=DefaultComputed, Props=DefaultProps> =
| typeof Vue
| FunctionalComponentOptions<Props>
| ComponentOptions<never, Data, Methods, Computed, Props>
interface EsModuleComponent {
default: Component
}
export type AsyncComponent<Data=DefaultData<never>, Methods=DefaultMethods<never>, Computed=DefaultComputed, Props=DefaultProps> = (
resolve: (component: Component<Data, Methods, Computed, Props>) => void,
reject: (reason?: any) => void
) => Promise<Component | EsModuleComponent> | void;
/**
* When the `Computed` type parameter on `ComponentOptions` is inferred,
* it should have a property with the return type of every get-accessor.
* Since there isn't a way to query for the return type of a function, we allow TypeScript
* to infer from the shape of `Accessors<Computed>` and work backwards.
*/
export type Accessors<T> = {
[K in keyof T]: (() => T[K]) | ComputedOptions<T[K]>
}
type DataDef<Data, Props, V> = Data | ((this: Readonly<Props> & V) => Data)
/**
* This type should be used when an array of strings is used for a component's `props` value.
*/
export type ThisTypedComponentOptionsWithArrayProps<V extends Vue, Data, Methods, Computed, PropNames extends string> =
object &
ComponentOptions<V, DataDef<Data, Record<PropNames, any>, V>, Methods, Computed, PropNames[], Record<PropNames, any>> &
ThisType<CombinedVueInstance<V, Data, Methods, Computed, Readonly<Record<PropNames, any>>>>;
/**
* This type should be used when an object mapped to `PropOptions` is used for a component's `props` value.
*/
export type ThisTypedComponentOptionsWithRecordProps<V extends Vue, Data, Methods, Computed, Props> =
object &
ComponentOptions<V, DataDef<Data, Props, V>, Methods, Computed, RecordPropsDefinition<Props>, Props> &
ThisType<CombinedVueInstance<V, Data, Methods, Computed, Readonly<Props>>>;
type DefaultData<V> = object | ((this: V) => object);
type DefaultProps = Record<string, any>;
type DefaultMethods<V> = { [key: string]: (this: V, ...args: any[]) => any };
type DefaultComputed = { [key: string]: any };
export interface ComponentOptions<
V extends Vue,
Data=DefaultData<V>,
Methods=DefaultMethods<V>,
Computed=DefaultComputed,
PropsDef=PropsDefinition<DefaultProps>,
Props=DefaultProps> {
data?: Data;
props?: PropsDef;
propsData?: object;
computed?: Accessors<Computed>;
methods?: Methods;
watch?: Record<string, WatchOptionsWithHandler<any> | WatchHandler<any> | string>;
el?: Element | string;
template?: string;
// hack is for funcitonal component type inference, should not used in user code
render?(createElement: CreateElement, hack: RenderContext<Props>): VNode;
renderError?: (h: () => VNode, err: Error) => VNode;
staticRenderFns?: ((createElement: CreateElement) => VNode)[];
beforeCreate?(this: V): void;
created?(): void;
beforeDestroy?(): void;
destroyed?(): void;
beforeMount?(): void;
mounted?(): void;
beforeUpdate?(): void;
updated?(): void;
activated?(): void;
deactivated?(): void;
errorCaptured?(err: Error, vm: Vue, info: string): boolean | void;
directives?: { [key: string]: DirectiveFunction | DirectiveOptions };
components?: { [key: string]: Component<any, any, any, any> | AsyncComponent<any, any, any, any> };
transitions?: { [key: string]: object };
filters?: { [key: string]: Function };
provide?: object | (() => object);
inject?: InjectOptions;
model?: {
prop?: string;
event?: string;
};
parent?: Vue;
mixins?: (ComponentOptions<Vue> | typeof Vue)[];
name?: string;
// TODO: support properly inferred 'extends'
extends?: ComponentOptions<Vue> | typeof Vue;
delimiters?: [string, string];
comments?: boolean;
inheritAttrs?: boolean;
}
export interface FunctionalComponentOptions<Props = DefaultProps, PropDefs = PropsDefinition<Props>> {
name?: string;
props?: PropDefs;
inject?: InjectOptions;
functional: boolean;
render?(this: undefined, createElement: CreateElement, context: RenderContext<Props>): VNode;
}
export interface RenderContext<Props=DefaultProps> {
props: Props;
children: VNode[];
slots(): any;
data: VNodeData;
parent: Vue;
listeners: { [key: string]: Function | Function[] };
injections: any
}
export type Prop<T> = { (): T } | { new (...args: any[]): T & object }
export type PropValidator<T> = PropOptions<T> | Prop<T> | Prop<T>[];
export interface PropOptions<T=any> {
type?: Prop<T> | Prop<T>[];
required?: boolean;
default?: T | null | undefined | (() => object);
validator?(value: T): boolean;
}
export type RecordPropsDefinition<T> = {
[K in keyof T]: PropValidator<T[K]>
}
export type ArrayPropsDefinition<T> = (keyof T)[];
export type PropsDefinition<T> = ArrayPropsDefinition<T> | RecordPropsDefinition<T>;
export interface ComputedOptions<T> {
get?(): T;
set?(value: T): void;
cache?: boolean;
}
export type WatchHandler<T> = (val: T, oldVal: T) => void;
export interface WatchOptions {
deep?: boolean;
immediate?: boolean;
}
export interface WatchOptionsWithHandler<T> extends WatchOptions {
handler: WatchHandler<T>;
}
export type DirectiveFunction = (
el: HTMLElement,
binding: VNodeDirective,
vnode: VNode,
oldVnode: VNode
) => void;
export interface DirectiveOptions {
bind?: DirectiveFunction;
inserted?: DirectiveFunction;
update?: DirectiveFunction;
componentUpdated?: DirectiveFunction;
unbind?: DirectiveFunction;
}
export type InjectKey = string | symbol;
export type InjectOptions = {
[key: string]: InjectKey | { from?: InjectKey, default?: any }
} | string[];