/// <reference lib="es2020.bigint"/>
|
|
// TODO: This can just be `export type Primitive = not object` when the `not` keyword is out.
|
/**
|
Matches any [primitive value](https://developer.mozilla.org/en-US/docs/Glossary/Primitive).
|
*/
|
export type Primitive =
|
| null
|
| undefined
|
| string
|
| number
|
| boolean
|
| symbol
|
| bigint;
|
|
// TODO: Remove the `= unknown` sometime in the future when most users are on TS 3.5 as it's now the default
|
/**
|
Matches a [`class` constructor](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes).
|
*/
|
export type Class<T = unknown, Arguments extends any[] = any[]> = new(...arguments_: Arguments) => T;
|
|
/**
|
Matches a JSON object.
|
|
This type can be useful to enforce some input to be JSON-compatible or as a super-type to be extended from. Don't use this as a direct return type as the user would have to double-cast it: `jsonObject as unknown as CustomResponse`. Instead, you could extend your CustomResponse type from it to ensure your type only uses JSON-compatible types: `interface CustomResponse extends JsonObject { … }`.
|
*/
|
export type JsonObject = {[Key in string]?: JsonValue};
|
|
/**
|
Matches a JSON array.
|
*/
|
export interface JsonArray extends Array<JsonValue> {}
|
|
/**
|
Matches any valid JSON value.
|
*/
|
export type JsonValue = string | number | boolean | null | JsonObject | JsonArray;
|
|
declare global {
|
interface SymbolConstructor {
|
readonly observable: symbol;
|
}
|
}
|
|
/**
|
Matches a value that is like an [Observable](https://github.com/tc39/proposal-observable).
|
*/
|
export interface ObservableLike {
|
subscribe(observer: (value: unknown) => void): void;
|
[Symbol.observable](): ObservableLike;
|
}
|
