A collection of essential TypeScript types. 

A collection of essential TypeScript types

sindresorhus

type-fest

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	"description": "A collection of essential TypeScript types",

		"@typescript-eslint/eslint-plugin": "^1.8.0",

		"eslint-config-xo-typescript": "^0.11.0",

// 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).

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export type Class<T = unknown> = new(...arguments_: any[]) => T;

Matches any [typed array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray), like `Uint8Array` or `Float64Array`.

export type JsonObject = {[key: string]: JsonValue};

export interface JsonArray extends Array<JsonValue> {}

Matches a value that is like an [Observable](https://github.com/tc39/proposal-observable).

	subscribe(observer: (value: unknown) => void): void;

		{
		"name": "type-fest",
		"version": "0.5.0",
		"version": "0.5.1",
		"description": "A collection of essential TypeScript types",
		@@ -40,2 +40,5 @@ "license": "(MIT OR CC0-1.0)",
		},
		"peerDependencies": {
		"typescript": ">=3.2"
		},
		"xo": {
		@@ -42,0 +45,0 @@ "extends": "xo-typescript",

		@@ -0,1 +1,3 @@
		/// <reference lib="esnext"/>

		// TODO: This can just be `export type Primitive = not object` when the `not` keyword is out.
		@@ -2,0 +4,0 @@ /**

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