milestone: publish alpha version (#637)

- document folder
- full-text search
- blob storage
- basic edgeless support

Co-authored-by: tzhangchi <terry.zhangchi@outlook.com>
Co-authored-by: QiShaoXuan <qishaoxuan777@gmail.com>
Co-authored-by: DiamondThree <diamond.shx@gmail.com>
Co-authored-by: MingLiang Wang <mingliangwang0o0@gmail.com>
Co-authored-by: JimmFly <yangjinfei001@gmail.com>
Co-authored-by: Yifeng Wang <doodlewind@toeverything.info>
Co-authored-by: Himself65 <himself65@outlook.com>
Co-authored-by: lawvs <18554747+lawvs@users.noreply.github.com>
Co-authored-by: Qi <474021214@qq.com>

packages/app/src/utils/useragent.ts

@@ -0,0 +1,82 @@
+function getUaHelper() {
+  let uaHelper = null;
+  (function (navigator) {
+    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');
+      }
+    }
+    uaHelper = new UaHelper();
+  })(navigator);
+
+  return uaHelper;
+}
+
+export { getUaHelper };