Add new join with address prompt (#2442)

src/app/components/join-address-prompt/JoinAddressPrompt.tsx

@@ -0,0 +1,131 @@
+import React, { FormEventHandler, useState } from 'react';
+import FocusTrap from 'focus-trap-react';
+import {
+  Dialog,
+  Overlay,
+  OverlayCenter,
+  OverlayBackdrop,
+  Header,
+  config,
+  Box,
+  Text,
+  IconButton,
+  Icon,
+  Icons,
+  Button,
+  Input,
+  color,
+} from 'folds';
+import { stopPropagation } from '../../utils/keyboard';
+import { isRoomAlias, isRoomId } from '../../utils/matrix';
+import { parseMatrixToRoom, parseMatrixToRoomEvent, testMatrixTo } from '../../plugins/matrix-to';
+import { tryDecodeURIComponent } from '../../utils/dom';
+
+type JoinAddressProps = {
+  onOpen: (roomIdOrAlias: string, via?: string[], eventId?: string) => void;
+  onCancel: () => void;
+};
+export function JoinAddressPrompt({ onOpen, onCancel }: JoinAddressProps) {
+  const [invalid, setInvalid] = useState(false);
+
+  const handleSubmit: FormEventHandler<HTMLFormElement> = (evt) => {
+    evt.preventDefault();
+    setInvalid(false);
+
+    const target = evt.target as HTMLFormElement | undefined;
+    const addressInput = target?.addressInput as HTMLInputElement | undefined;
+    const address = addressInput?.value.trim();
+    if (!address) return;
+
+    if (isRoomId(address) || isRoomAlias(address)) {
+      onOpen(address);
+      return;
+    }
+
+    if (testMatrixTo(address)) {
+      const decodedAddress = tryDecodeURIComponent(address);
+      const toRoom = parseMatrixToRoom(decodedAddress);
+      if (toRoom) {
+        onOpen(toRoom.roomIdOrAlias, toRoom.viaServers);
+        return;
+      }
+
+      const toEvent = parseMatrixToRoomEvent(decodedAddress);
+      if (toEvent) {
+        onOpen(toEvent.roomIdOrAlias, toEvent.viaServers, toEvent.eventId);
+        return;
+      }
+    }
+
+    setInvalid(true);
+  };
+
+  return (
+    <Overlay open backdrop={<OverlayBackdrop />}>
+      <OverlayCenter>
+        <FocusTrap
+          focusTrapOptions={{
+            initialFocus: false,
+            onDeactivate: onCancel,
+            clickOutsideDeactivates: true,
+            escapeDeactivates: stopPropagation,
+          }}
+        >
+          <Dialog variant="Surface">
+            <Header
+              style={{
+                padding: `0 ${config.space.S200} 0 ${config.space.S400}`,
+              }}
+              variant="Surface"
+              size="500"
+            >
+              <Box grow="Yes">
+                <Text size="H4">Join with Address</Text>
+              </Box>
+              <IconButton size="300" onClick={onCancel} radii="300">
+                <Icon src={Icons.Cross} />
+              </IconButton>
+            </Header>
+            <Box
+              as="form"
+              onSubmit={handleSubmit}
+              style={{ padding: config.space.S400, paddingTop: 0 }}
+              direction="Column"
+              gap="400"
+            >
+              <Box direction="Column" gap="200">
+                <Text priority="400" size="T300">
+                  Enter public address to join the community. Addresses looks like:
+                </Text>
+                <Text as="ul" size="T200" priority="300" style={{ paddingLeft: config.space.S400 }}>
+                  <li>#community:server</li>
+                  <li>https://matrix.to/#/#community:server</li>
+                  <li>https://matrix.to/#/!xYzAj?via=server</li>
+                </Text>
+              </Box>
+              <Box direction="Column" gap="100">
+                <Text size="L400">Address</Text>
+                <Input
+                  size="500"
+                  autoFocus
+                  name="addressInput"
+                  variant="Background"
+                  placeholder="#community:server"
+                  required
+                />
+                {invalid && (
+                  <Text size="T200" style={{ color: color.Critical.Main }}>
+                    <b>Invalid Address</b>
+                  </Text>
+                )}
+              </Box>
+              <Button type="submit" variant="Primary">
+                <Text size="B400">Open</Text>
+              </Button>
+            </Box>
+          </Dialog>
+        </FocusTrap>
+      </OverlayCenter>
+    </Overlay>
+  );
+}