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Extract necessary functions from type-fest (#120)

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Richie Bendall 2020-07-20 11:48:08 +12:00 • committed by GitHub
parent 4b35ad5bec
commit e31db97eab
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2 changed files with 52 additions and 28 deletions
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31
source/index.ts
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@ -2,7 +2,9 @@
/// <reference lib="dom"/>
/// <reference types="node"/>
export type Class<T = unknown> = new (...args: any[]) => T;
import {Class, TypedArray, ObservableLike, Primitive} from './types';
export {Class, TypedArray, ObservableLike, Primitive};
const typedArrayTypeNames = [
'Int8Array',
@ -18,19 +20,6 @@ const typedArrayTypeNames = [
'BigUint64Array'
] as const;
export type TypedArray =
| Int8Array
| Uint8Array
| Uint8ClampedArray
| Int16Array
| Uint16Array
| Int32Array
| Uint32Array
| Float32Array
| Float64Array
| BigInt64Array
| BigUint64Array;
type TypedArrayTypeName = typeof typedArrayTypeNames[number];
function isTypedArrayName(name: unknown): name is TypedArrayTypeName {
@ -80,15 +69,6 @@ const primitiveTypeNames = [
'symbol'
] as const;
export type Primitive =
| null
| undefined
| string
| number
| bigint
| boolean
| symbol;
type PrimitiveTypeName = typeof primitiveTypeNames[number];
function isPrimitiveTypeName(name: unknown): name is PrimitiveTypeName {
@ -319,11 +299,6 @@ is.domElement = (value: unknown): value is HTMLElement => {
DOM_PROPERTIES_TO_CHECK.every(property => property in value);
};
export interface ObservableLike {
subscribe(observer: (value: unknown) => void): void;
[Symbol.observable](): ObservableLike;
}
is.observable = (value: unknown): value is ObservableLike => {
if (!value) {
return false;