From 0a542643d07da165a09eca59f7f040fd3a6d61bb Mon Sep 17 00:00:00 2001
From: tzhangchi <terry.zhangchi@outlook.com>
Date: Sun, 18 Dec 2022 11:25:09 +0800
Subject: [PATCH] feat: create useragent file

---
 packages/app/src/utils/useragent.ts | 68 +++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 packages/app/src/utils/useragent.ts

diff --git a/packages/app/src/utils/useragent.ts b/packages/app/src/utils/useragent.ts
new file mode 100644
index 0000000000..23eea330b3
--- /dev/null
+++ b/packages/app/src/utils/useragent.ts
@@ -0,0 +1,68 @@
+const getUa = () => {
+  const ua = navigator.userAgent;
+  const uas = ua.toLowerCase();
+  const mobile =
+    /mobile|tablet|ip(ad|hone|od)|android/i.test(ua) ||
+    (uas.indexOf('safari') > -1 && /Mac OS/i.test(ua) && /Macintosh/i.test(ua));
+  const android =
+    (mobile && (uas.indexOf('android') > -1 || uas.indexOf('linux') > -1)) ||
+    uas.indexOf('adr') > -1;
+  const ios = mobile && !android && /Mac OS/i.test(ua);
+  const iphone = ios && uas.indexOf('iphone') > -1;
+  const ipad = ios && !iphone;
+  const wx = /MicroMessenger/i.test(ua);
+  const chrome = /CriOS/i.test(ua) || /Chrome/i.test(ua);
+  const tiktok = mobile && /aweme/i.test(ua);
+  const weibo = mobile && /Weibo/i.test(ua);
+  const safari =
+    ios && !chrome && !wx && !weibo && !tiktok && /Safari|Macintosh/i.test(ua);
+  const firefox = /Firefox/.test(ua);
+  const win = /windows|win32|win64|wow32|wow64/.test(uas);
+  const linux = /linux/.test(uas);
+  return {
+    ua,
+    mobile,
+    android,
+    ios,
+    wx,
+    chrome,
+    iphone,
+    ipad,
+    safari,
+    tiktok,
+    weibo,
+    win,
+    linux,
+    firefox,
+  };
+};
+
+class UaHelper {
+  private uaMap;
+  public isLinux = false;
+  public isMacOs = false;
+  public isSafari = false;
+  public isWindows = false;
+  public isFireFox = false;
+
+  constructor() {
+    this.uaMap = getUa();
+    this.initUaFlags();
+  }
+
+  public checkUseragent(isUseragent: keyof ReturnType<typeof getUa>) {
+    return Boolean(this.uaMap[isUseragent]);
+  }
+
+  private initUaFlags() {
+    this.isLinux = this.checkUseragent('linux');
+    this.isMacOs = this.checkUseragent('ios');
+    this.isSafari = this.checkUseragent('safari');
+    this.isWindows = this.checkUseragent('win');
+    this.isFireFox = this.checkUseragent('firefox');
+
+    console.log(this);
+  }
+}
+
+export const uaHelper = new UaHelper();