消息

TUIKit/utils/type-check.ts

@@ -0,0 +1,44 @@
+const objectToString = Object.prototype.toString;
+const toTypeString = (value: any) => objectToString.call(value);
+
+export const { isArray } = Array;
+export const isMap = (val: any) => toTypeString(val) === '[object Map]';
+export const isSet = (val: any) => toTypeString(val) === '[object Set]';
+export const isDate = (val: any) => val instanceof Date;
+export const isFunction = (val: any) => typeof val === 'function';
+export const isString = (val: any) => typeof val === 'string';
+export const isSymbol = (val: any) => typeof val === 'symbol';
+export const isObject = (val: any) => val !== null && typeof val === 'object';
+export const isPromise = (val: any) =>
+  isObject(val) && isFunction(val.then) && isFunction(val.catch);
+// Determine whether it is url
+export const isUrl = (url: string) => {
+  return /^(https?:\/\/(([a-zA-Z0-9]+-?)+[a-zA-Z0-9]+\.)+[a-zA-Z]+)(:\d+)?(\/.*)?(\?.*)?(#.*)?$/.test(
+    url,
+  );
+};
+
+// Determine if it is a JSON string
+export const isJSON = (str: string) => {
+  // eslint-disable-next-line no-useless-escape
+  if (typeof str === 'string') {
+    try {
+      const data = JSON.parse(str);
+      if (data) {
+        return true;
+      }
+      return false;
+    } catch (error: any) {
+      return false;
+    }
+  }
+  return false;
+};
+
+// Determine if it is a JSON string
+export const JSONToObject = (str: string) => {
+  if (!str || !isJSON(str)) {
+    return str;
+  }
+  return JSON.parse(str);
+};