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localTypes.ts
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localTypes.ts
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import { VueCompilerOptions } from '../types';
import { getVueLibraryName } from './shared';
export const typesFileName = '__VLS_types.d.ts';
export function getTypesCode(
vueVersion: number,
vueCompilerOptions: VueCompilerOptions,
) {
const libName = getVueLibraryName(vueVersion);
return `
// @ts-nocheck
import type {
ObjectDirective,
FunctionDirective,
} from '${libName}';
export type IntrinsicElements = PickNotAny<import('vue/jsx-runtime').JSX, PickNotAny<JSX.IntrinsicElements, Record<string, any>>>;
export type Element = PickNotAny<import('vue/jsx-runtime').JSX, JSX.Element>;
type IsAny<T> = boolean extends (T extends never ? true : false) ? true : false;
export type PickNotAny<A, B> = IsAny<A> extends true ? B : A;
type ForableSource<T> = [
T extends { [Symbol.iterator](): Iterator<infer T1> } ? T1 : T[keyof T], // item
typeof Symbol.iterator extends keyof T ? number : T extends T ? keyof T : never, // key
typeof Symbol.iterator extends keyof T ? undefined : number, // index
][];
export type Prettify<T> = {
[K in keyof T]: T[K];
} & {};
export type GlobalComponents =
// @ts-ignore
PickNotAny<import('vue').GlobalComponents, {}>
// @ts-ignore
& PickNotAny<import('@vue/runtime-core').GlobalComponents, {}>
// @ts-ignore
& PickNotAny<import('@vue/runtime-dom').GlobalComponents, {}>
& Pick<typeof import('${libName}'),
// @ts-ignore
'Transition'
| 'TransitionGroup'
| 'KeepAlive'
| 'Suspense'
| 'Teleport'
>;
export declare function getVForSourceType<T>(source: T): ForableSource<NonNullable<T extends number ? number[] : T extends string ? string[] : T>>;
export declare function getSlotParams<T>(slot: T): Parameters<PickNotAny<NonNullable<T>, (...args: any[]) => any>>;
export declare function getSlotParam<T>(slot: T): Parameters<PickNotAny<NonNullable<T>, (...args: any[]) => any>>[0];
export declare function directiveFunction<T>(dir: T):
T extends ObjectDirective<infer E, infer V> ? undefined extends V ? (value?: V) => void : (value: V) => void
: T extends FunctionDirective<infer E, infer V> ? undefined extends V ? (value?: V) => void : (value: V) => void
: T;
export declare function withScope<T, K>(ctx: T, scope: K): ctx is T & K;
export declare function makeOptional<T>(t: T): { [K in keyof T]?: T[K] };
export type SelfComponent<N, C> = string extends N ? {} : N extends string ? { [P in N]: C } : {};
export type WithComponent<Components, N1 extends string, N2 extends string, N0 extends string> =
IsAny<IntrinsicElements[N0]> extends true ? (
N1 extends keyof Components ? N1 extends N0 ? Pick<Components, N0> : { [K in N0]: Components[N1] } :
N2 extends keyof Components ? N2 extends N0 ? Pick<Components, N0> : { [K in N0]: Components[N2] } :
N0 extends keyof Components ? Pick<Components, N0> :
${vueCompilerOptions.strictTemplates ? '{}' : '{ [K in N0]: any }'}
) : Pick<IntrinsicElements, N0>;
export type FillingEventArg_ParametersLength<E extends (...args: any) => any> = IsAny<Parameters<E>> extends true ? -1 : Parameters<E>['length'];
export type FillingEventArg<E> = E extends (...args: any) => any ? FillingEventArg_ParametersLength<E> extends 0 ? ($event?: undefined) => ReturnType<E> : E : E;
export type EmitEvent<F, E> =
F extends {
(event: E, ...payload: infer P): any
} ? (...payload: P) => void
: F extends {
(event: E, ...payload: infer P): any
(...args: any): any
} ? (...payload: P) => void
: F extends {
(event: E, ...payload: infer P): any
(...args: any): any
(...args: any): any
} ? (...payload: P) => void
: F extends {
(event: E, ...payload: infer P): any
(...args: any): any
(...args: any): any
(...args: any): any
} ? (...payload: P) => void
: unknown | '[Type Warning] Volar could not infer $emit event more than 4 overloads without DefineComponent. see https://github.com/johnsoncodehk/volar/issues/60';
export declare function asFunctionalComponent<T, K = T extends new (...args: any) => any ? InstanceType<T> : unknown>(t: T, instance?: K):
T extends new (...args: any) => any ?
K extends { $props?: infer Props, $slots?: infer Slots, $emit?: infer Emit }
? (props: Props ${vueCompilerOptions.strictTemplates ? '' : '& Record<string, unknown>'}, ctx?: { attrs?: any, expose?(exposed: K): void, slots?: Slots, emit?: Emit }) => JSX.Element & { __ctx?: typeof ctx, __props?: typeof props }
: never
: T extends () => any ? (props: {}, ctx?: any) => ReturnType<T>
: T extends (...args: any) => any ? T
: (_: T & Record<string, unknown>, ctx?: any) => { __ctx?: { attrs?: unknown, expose?: unknown, slots?: unknown, emit?: unknown }, __props?: T & Record<string, unknown> }; // IntrinsicElement
declare function functionalComponentArgsRest<T>(t: T): Parameters<T>['length'] extends 2 ? [any] : [];
export declare function pickEvent<Emit, K, E>(emit: Emit, emitKey: K, event: E): FillingEventArg<
PickNotAny<
AsFunctionOrAny<NonNullable<E>>,
AsFunctionOrAny<NonNullable<EmitEvent<Emit, K>>>
>
>;
export declare function pickFunctionalComponentCtx<T, K>(comp: T, compInstance: K): PickNotAny<
K extends { __ctx?: infer Ctx } ? Ctx : any,
T extends (props: any, ctx: infer Ctx) => any ? Ctx : any
>;
type AsFunctionOrAny<F> = F extends ((...args: any) => any) ? F : any;
`.trim();
}
// TODO: not working for overloads > n (n = 8)
// see: https://github.com/johnsoncodehk/volar/issues/60
export function genConstructorOverloads(name = 'ConstructorOverloads', nums?: number) {
let code = '';
code += `type ${name}<T> =\n`;
if (nums === undefined) {
for (let i = 8; i >= 1; i--) {
gen(i);
}
}
else if (nums > 0) {
gen(nums);
}
code += `// 0\n`;
code += `{};\n`;
return code;
function gen(i: number) {
code += `// ${i}\n`;
code += `T extends {\n`;
for (let j = 1; j <= i; j++) {
code += `(event: infer E${j}, ...payload: infer P${j}): void;\n`;
}
code += `} ? (\n`;
for (let j = 1; j <= i; j++) {
if (j > 1) code += '& ';
code += `(E${j} extends string ? { [K${j} in E${j}]: (...payload: P${j}) => void } : {})\n`;
}
code += `) :\n`;
}
}