/**
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* @description: 判断值是否未某个类型
|
*/
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export function is(val: unknown, type: string) {
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return Object.prototype.toString.call(val) === `[object ${type}]`;
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}
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/**
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* @description: 是否为函数
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*/
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export function isFunction<T = Function>(val: unknown): val is T {
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return is(val, "Function");
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}
|
|
/**
|
* @description: 是否已定义
|
*/
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export const isDef = <T = unknown>(val?: T): val is T => {
|
return typeof val !== "undefined";
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};
|
|
/**
|
* @description: 是否未定义
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*/
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export const isUnDef = <T = unknown>(val?: T): val is T => {
|
return !isDef(val);
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};
|
|
/**
|
* @description: 是否为对象
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*/
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export const isObject = (val: any): val is Record<any, any> => {
|
return val !== null && is(val, "Object");
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};
|
|
/**
|
* @description: 是否为时间
|
*/
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export function isDate(val: unknown): val is Date {
|
return is(val, "Date");
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}
|
|
/**
|
* @description: 是否为数值
|
*/
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export function isNumber(val: unknown): val is number {
|
return is(val, "Number");
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}
|
|
/**
|
* @description: 是否为AsyncFunction
|
*/
|
export function isAsyncFunction<T = any>(val: unknown): val is Promise<T> {
|
return is(val, "AsyncFunction");
|
}
|
|
/**
|
* @description: 是否为promise
|
*/
|
export function isPromise<T = any>(val: unknown): val is Promise<T> {
|
return is(val, "Promise") && isObject(val) && isFunction(val.then) && isFunction(val.catch);
|
}
|
|
/**
|
* @description: 是否为字符串
|
*/
|
export function isString(val: unknown): val is string {
|
return is(val, "String");
|
}
|
|
/**
|
* @description: 是否为boolean类型
|
*/
|
export function isBoolean(val: unknown): val is boolean {
|
return is(val, "Boolean");
|
}
|
|
/**
|
* @description: 是否为数组
|
*/
|
export function isArray(val: any): val is Array<any> {
|
return val && Array.isArray(val);
|
}
|
|
/**
|
* @description: 是否客户端
|
*/
|
export const isClient = () => {
|
return typeof window !== "undefined";
|
};
|
|
/**
|
* @description: 是否为浏览器
|
*/
|
export const isWindow = (val: any): val is Window => {
|
return typeof window !== "undefined" && is(val, "Window");
|
};
|
|
/**
|
* @description: 是否为 element 元素
|
*/
|
export const isElement = (val: unknown): val is Element => {
|
return isObject(val) && !!val.tagName;
|
};
|
|
/**
|
* @description: 是否为 null
|
*/
|
export function isNull(val: unknown): val is null {
|
return val === null;
|
}
|
|
/**
|
* @description: 是否为 null || undefined
|
*/
|
export function isNullOrUnDef(val: unknown): val is null | undefined {
|
return isUnDef(val) || isNull(val);
|
}
|
|
/**
|
* @description: 是否为 16 进制颜色
|
*/
|
export const isHexColor = (str: string) => {
|
return /^#?([0-9A-Fa-f]{3}|[0-9A-Fa-f]{6})$/.test(str);
|
};
|
