diff --git a/src/ui/PenpotExporter.tsx b/src/ui/PenpotExporter.tsx
new file mode 100644
index 0000000..49ee19b
--- /dev/null
+++ b/src/ui/PenpotExporter.tsx
@@ -0,0 +1,110 @@
+import { Component } from 'react';
+import slugify from 'slugify';
+
+import { createPenpotFile } from './converters';
+import { validateFont } from './validators';
+
+type PenpotExporterState = {
+  missingFonts: Set<string>;
+  exporting: boolean;
+};
+
+export default class PenpotExporter extends Component<unknown, PenpotExporterState> {
+  state: PenpotExporterState = {
+    missingFonts: new Set(),
+    exporting: false
+  };
+
+  componentDidMount = () => {
+    window.addEventListener('message', this.onMessage);
+  };
+
+  componentDidUpdate = () => {
+    this.setDimensions();
+  };
+
+  componentWillUnmount = () => {
+    window.removeEventListener('message', this.onMessage);
+  };
+  addFontWarning(font: string) {
+    const newMissingFonts = this.state.missingFonts;
+    newMissingFonts.add(font);
+
+    this.setState(() => ({ missingFonts: newMissingFonts }));
+  }
+
+  onCreatePenpot = () => {
+    this.setState(() => ({ exporting: true }));
+    parent.postMessage({ pluginMessage: { type: 'export' } }, '*');
+  };
+
+  onCancel = () => {
+    parent.postMessage({ pluginMessage: { type: 'cancel' } }, '*');
+  };
+
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  onMessage = (event: any) => {
+    if (event.data.pluginMessage.type == 'FIGMAFILE') {
+      const file = createPenpotFile(event.data.pluginMessage.data);
+      // validate file.fontNames
+      file.fontNames.forEach(font => {
+        if (!validateFont(font)) {
+          this.addFontWarning(slugify(font.family.toLowerCase()));
+        }
+      });
+      file.penpotFile.export();
+      this.setState(() => ({ exporting: false }));
+    }
+  };
+
+  setDimensions = () => {
+    const isMissingFonts = this.state.missingFonts.size > 0;
+
+    let width = 300;
+    let height = 280;
+
+    if (isMissingFonts) {
+      height += this.state.missingFonts.size * 20;
+      width = 400;
+      parent.postMessage({ pluginMessage: { type: 'resize', width: width, height: height } }, '*');
+    }
+  };
+
+  renderFontWarnings = () => {
+    return (
+      <ul>
+        {Array.from(this.state.missingFonts).map(font => (
+          <li key={font}>{font}</li>
+        ))}
+      </ul>
+    );
+  };
+
+  render() {
+    // Update the dimensions of the plugin window based on available data and selections
+    return (
+      <main>
+        <header>
+          <img src={require('./logo.svg')} />
+          <h2>Penpot Exporter</h2>
+        </header>
+        <section>
+          <div style={{ display: this.state.missingFonts.size > 0 ? 'inline' : 'none' }}>
+            <div id="missing-fonts">
+              {this.state.missingFonts.size} non-default font
+              {this.state.missingFonts.size > 1 ? 's' : ''}:{' '}
+            </div>
+            <small>Ensure fonts are installed in Penpot before importing.</small>
+            <div id="missing-fonts-list">{this.renderFontWarnings()}</div>
+          </div>
+        </section>
+        <footer>
+          <button className="brand" disabled={this.state.exporting} onClick={this.onCreatePenpot}>
+            {this.state.exporting ? 'Exporting...' : 'Export to Penpot'}
+          </button>
+          <button onClick={this.onCancel}>Cancel</button>
+        </footer>
+      </main>
+    );
+  }
+}
diff --git a/src/ui/ui.tsx b/src/ui/ui.tsx
index ed31995..7fae224 100644
--- a/src/ui/ui.tsx
+++ b/src/ui/ui.tsx
@@ -1,118 +1,11 @@
-import * as React from 'react';
+import { StrictMode } from 'react';
 import { createRoot } from 'react-dom/client';
-import slugify from 'slugify';
 
-import { createPenpotFile } from './converters';
+import PenpotExporter from './PenpotExporter';
 import './ui.css';
-import { validateFont } from './validators';
-
-type PenpotExporterState = {
-  missingFonts: Set<string>;
-  exporting: boolean;
-};
-
-export default class PenpotExporter extends React.Component<unknown, PenpotExporterState> {
-  state: PenpotExporterState = {
-    missingFonts: new Set(),
-    exporting: false
-  };
-
-  componentDidMount = () => {
-    window.addEventListener('message', this.onMessage);
-  };
-
-  componentDidUpdate = () => {
-    this.setDimensions();
-  };
-
-  componentWillUnmount = () => {
-    window.removeEventListener('message', this.onMessage);
-  };
-  addFontWarning(font: string) {
-    const newMissingFonts = this.state.missingFonts;
-    newMissingFonts.add(font);
-
-    this.setState(() => ({ missingFonts: newMissingFonts }));
-  }
-
-  onCreatePenpot = () => {
-    this.setState(() => ({ exporting: true }));
-    parent.postMessage({ pluginMessage: { type: 'export' } }, '*');
-  };
-
-  onCancel = () => {
-    parent.postMessage({ pluginMessage: { type: 'cancel' } }, '*');
-  };
-
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  onMessage = (event: any) => {
-    if (event.data.pluginMessage.type == 'FIGMAFILE') {
-      const file = createPenpotFile(event.data.pluginMessage.data);
-      // validate file.fontNames
-      file.fontNames.forEach(font => {
-        if (!validateFont(font)) {
-          this.addFontWarning(slugify(font.family.toLowerCase()));
-        }
-      });
-      file.penpotFile.export();
-      this.setState(() => ({ exporting: false }));
-    }
-  };
-
-  setDimensions = () => {
-    const isMissingFonts = this.state.missingFonts.size > 0;
-
-    let width = 300;
-    let height = 280;
-
-    if (isMissingFonts) {
-      height += this.state.missingFonts.size * 20;
-      width = 400;
-      parent.postMessage({ pluginMessage: { type: 'resize', width: width, height: height } }, '*');
-    }
-  };
-
-  renderFontWarnings = () => {
-    return (
-      <ul>
-        {Array.from(this.state.missingFonts).map(font => (
-          <li key={font}>{font}</li>
-        ))}
-      </ul>
-    );
-  };
-
-  render() {
-    // Update the dimensions of the plugin window based on available data and selections
-    return (
-      <main>
-        <header>
-          <img src={require('./logo.svg')} />
-          <h2>Penpot Exporter</h2>
-        </header>
-        <section>
-          <div style={{ display: this.state.missingFonts.size > 0 ? 'inline' : 'none' }}>
-            <div id="missing-fonts">
-              {this.state.missingFonts.size} non-default font
-              {this.state.missingFonts.size > 1 ? 's' : ''}:{' '}
-            </div>
-            <small>Ensure fonts are installed in Penpot before importing.</small>
-            <div id="missing-fonts-list">{this.renderFontWarnings()}</div>
-          </div>
-        </section>
-        <footer>
-          <button className="brand" disabled={this.state.exporting} onClick={this.onCreatePenpot}>
-            {this.state.exporting ? 'Exporting...' : 'Export to Penpot'}
-          </button>
-          <button onClick={this.onCancel}>Cancel</button>
-        </footer>
-      </main>
-    );
-  }
-}
 
 createRoot(document.getElementById('penpot-export-page') as HTMLElement).render(
-  <React.StrictMode>
+  <StrictMode>
     <PenpotExporter />
-  </React.StrictMode>
+  </StrictMode>
 );
diff --git a/tsconfig.json b/tsconfig.json
index 75d4625..d869851 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -3,7 +3,7 @@
     "esModuleInterop": true,
     "isolatedModules": true,
     "skipLibCheck": true,
-    "jsx": "react",
+    "jsx": "react-jsx",
     "lib": ["DOM", "ES6"],
     "target": "es2017",
     "module": "ESNext",