47 lines
2.3 KiB
TypeScript
47 lines
2.3 KiB
TypeScript
import type { Node } from './Node.ts';
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import type { GetSet } from './types.ts';
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/**
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* Enforces that a type is a string.
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*/
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type EnforceString<T> = T extends string ? T : never;
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/**
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* Represents a class.
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*/
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type Constructor = abstract new (...args: any) => any;
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/**
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* An attribute of an instance of the provided class. Attributes names be strings.
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*/
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type Attr<T extends Constructor> = EnforceString<keyof InstanceType<T>>;
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/**
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* A function that is called after a setter is called.
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*/
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type AfterFunc<T extends Constructor> = (this: InstanceType<T>) => void;
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/**
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* Extracts the type a GetSet returns. The type the setter accepts can be wider,
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* so it is matched with `any` instead of being inferred from the getter.
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*/
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type ExtractGetSet<T> = T extends GetSet<infer U, any, any> ? U : never;
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/**
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* Extracts the type of a GetSet class attribute.
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*/
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type Value<T extends Constructor, U extends Attr<T>> = ExtractGetSet<InstanceType<T>[U]>;
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/**
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* A function that validates a value.
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*/
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type ValidatorFunc<T> = (val: T, attr: string) => T;
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/**
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* Extracts the "components" (keys) of a GetSet value. The value must be an object.
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*/
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type ExtractComponents<T extends Constructor, U extends Attr<T>> = Value<T, U> extends Record<string, any> ? EnforceString<keyof Value<T, U>>[] : never;
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export declare const Factory: {
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addGetterSetter<T extends Constructor, U extends Attr<T>>(constructor: T, attr: U, def?: Value<T, U>, validator?: ValidatorFunc<Value<T, U>>, after?: AfterFunc<T>): void;
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addGetter<T extends Constructor, U extends Attr<T>>(constructor: T, attr: U, def?: Value<T, U>): void;
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addSetter<T extends Constructor, U extends Attr<T>>(constructor: T, attr: U, validator?: ValidatorFunc<Value<T, U>>, after?: AfterFunc<T>): void;
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overWriteSetter<T extends Constructor, U extends Attr<T>>(constructor: T, attr: U, validator?: ValidatorFunc<Value<T, U>>, after?: AfterFunc<T>): void;
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addComponentsGetterSetter<T extends Constructor, U extends Attr<T>>(constructor: T, attr: U, components: ExtractComponents<T, U>, validator?: ValidatorFunc<Value<T, U>>, after?: AfterFunc<T>): void;
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addOverloadedGetterSetter<T extends Constructor, U extends Attr<T>>(constructor: T, attr: U): void;
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backCompat<T extends Constructor>(constructor: T, methods: Record<string, string>): void;
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afterSetFilter(this: Node): void;
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};
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export {};
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