feat(helper): add detectBrowser utils

Author: HouYuSheng

js/utils/helper.ts

@@ -265,3 +265,35 @@ export function calculateNodeSize(targetElement: HTMLElement) {
     paddingSize, borderSize, boxSizing, sizingStyle,
   };
 }
+
+/**
+ * 检测当前浏览器，获得浏览器名称和版本
+ * @returns {name: string, version: number}
+ */
+export function detectBrowser() {
+  if (typeof navigator === 'undefined' || !navigator) return { name: 'unknown', version: 0 };
+  const ua = navigator.userAgent;
+
+  // 缓存正则表达式
+  const REGEX:{ [key: string]: RegExp } = {
+    CHROME: /AppleWebKit.+Chrome\/([0-9.]+) Safari\/+/i,
+    SAFARI: /AppleWebKit.+Version\/([0-9.]+) Safari\/+/i,
+    FIREFOX: /Firefox\/([0-9.]+)/i,
+    EDGE: /Edg\/([0-9.]+)/i,
+    OPERA: /OPR\/([0-9.]+)/i,
+  };
+
+  const keys = Object.keys(REGEX);
+  for (let i = 0; i < keys.length; i++) {
+    const key = keys[i];
+    const match = ua.match(REGEX[key]);
+    if (match?.[1]) {
+      return {
+        name: key.toLowerCase(),
+        version: Number(match[1]?.split('.')[0] || 0)
+      };
+    }
+  }
+
+  return { name: 'unknown', version: 0 };
+}