refui/src/utils.d.ts

The JavaScript framework that refuels your UI projects, across web, native, and embedded

/* Copyright Yukino Song, SudoMaker Ltd.
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * 	http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

export const nullRefObject: { $ref: null }
export const emptyArr: readonly []

export function nop(): void

export function cached<T, R>(handler: (arg: T) => R): (arg: T) => R
export function cachedStrKeyNoFalsy<R>(handler: (key: string) => R): (key: string) => R

export function removeFromArr<T>(array: T[], value: T): void

export function isPrimitive(value: unknown): value is string | number | boolean | symbol | bigint | null | undefined
export function isThenable<T = unknown>(value: unknown): value is PromiseLike<T>

export function splitFirst(value: string, splitter: string): [string] | [string, string]

export function markStatic<T extends Function>(component: T): T
export function isStatic(component: unknown): boolean