|
@@ -0,0 +1,117 @@
|
|
|
+// copy to vben-admin
|
|
|
+
|
|
|
+const toString = Object.prototype.toString
|
|
|
+
|
|
|
+export const is = (val, type) => {
|
|
|
+ return toString.call(val) === `[object ${type}]`
|
|
|
+}
|
|
|
+
|
|
|
+export const isDef = (val) => {
|
|
|
+ return typeof val !== 'undefined'
|
|
|
+}
|
|
|
+
|
|
|
+export const isUnDef = (val) => {
|
|
|
+ return !isDef(val)
|
|
|
+}
|
|
|
+
|
|
|
+export const isObject = (val) => {
|
|
|
+ return val !== null && is(val, 'Object')
|
|
|
+}
|
|
|
+
|
|
|
+export const isEmpty = (val) => {
|
|
|
+ if (val === null) {
|
|
|
+ return true
|
|
|
+ }
|
|
|
+ if (isArray(val) || isString(val)) {
|
|
|
+ return val.length === 0
|
|
|
+ }
|
|
|
+
|
|
|
+ if (val instanceof Map || val instanceof Set) {
|
|
|
+ return val.size === 0
|
|
|
+ }
|
|
|
+
|
|
|
+ if (isObject(val)) {
|
|
|
+ return Object.keys(val).length === 0
|
|
|
+ }
|
|
|
+
|
|
|
+ return false
|
|
|
+}
|
|
|
+
|
|
|
+export const isDate = (val) => {
|
|
|
+ return is(val, 'Date')
|
|
|
+}
|
|
|
+
|
|
|
+export const isNull = (val) => {
|
|
|
+ return val === null
|
|
|
+}
|
|
|
+
|
|
|
+export const isNullAndUnDef = (val) => {
|
|
|
+ return isUnDef(val) && isNull(val)
|
|
|
+}
|
|
|
+
|
|
|
+export const isNullOrUnDef = (val) => {
|
|
|
+ return isUnDef(val) || isNull(val)
|
|
|
+}
|
|
|
+
|
|
|
+export const isNumber = (val) => {
|
|
|
+ return is(val, 'Number')
|
|
|
+}
|
|
|
+
|
|
|
+export const isPromise = (val) => {
|
|
|
+ return is(val, 'Promise') && isObject(val) && isFunction(val.then) && isFunction(val.catch)
|
|
|
+}
|
|
|
+
|
|
|
+export const isString = (val) => {
|
|
|
+ return is(val, 'String')
|
|
|
+}
|
|
|
+
|
|
|
+export const isFunction = (val) => {
|
|
|
+ return typeof val === 'function'
|
|
|
+}
|
|
|
+
|
|
|
+export const isBoolean = (val) => {
|
|
|
+ return is(val, 'Boolean')
|
|
|
+}
|
|
|
+
|
|
|
+export const isRegExp = (val) => {
|
|
|
+ return is(val, 'RegExp')
|
|
|
+}
|
|
|
+
|
|
|
+export const isArray = (val) => {
|
|
|
+ return val && Array.isArray(val)
|
|
|
+}
|
|
|
+
|
|
|
+export const isWindow = (val) => {
|
|
|
+ return typeof window !== 'undefined' && is(val, 'Window')
|
|
|
+}
|
|
|
+
|
|
|
+export const isElement = (val) => {
|
|
|
+ return isObject(val) && !!val.tagName
|
|
|
+}
|
|
|
+
|
|
|
+export const isMap = (val) => {
|
|
|
+ return is(val, 'Map')
|
|
|
+}
|
|
|
+
|
|
|
+export const isServer = typeof window === 'undefined'
|
|
|
+
|
|
|
+export const isClient = !isServer
|
|
|
+
|
|
|
+// export const isUrl = (path) => {
|
|
|
+// const reg =
|
|
|
+// /(((^https?:(?:\/\/)?)(?:[-:&=\+\$,\w]+@)?[A-Za-z0-9.-]+(?::\d+)?|(?:www.|[-:&=\+\$,\w]+@)[A-Za-z0-9.-]+)((?:\/[\+~%\/.\w-_]*)?\??(?:[-\+=&%@.\w_]*)#?(?:[\w]*))?)$/
|
|
|
+// return reg.test(path)
|
|
|
+// }
|
|
|
+
|
|
|
+export const isDark = () => {
|
|
|
+ return window.matchMedia('(prefers-color-scheme: dark)').matches
|
|
|
+}
|
|
|
+
|
|
|
+// 是否是图片链接
|
|
|
+export const isImgPath = (path) => {
|
|
|
+ return /(https?:\/\/|data:image\/).*?\.(png|jpg|jpeg|gif|svg|webp|ico)/gi.test(path)
|
|
|
+}
|
|
|
+
|
|
|
+export const isEmptyVal = (val) => {
|
|
|
+ return val === '' || val === null || val === undefined
|
|
|
+}
|