Split workspace into electron and ui packages

packages/ui/src/components/instance-tab.tsx

@@ -0,0 +1,59 @@
+import { Component } from "solid-js"
+import type { Instance } from "../types/instance"
+import { FolderOpen, X } from "lucide-solid"
+
+interface InstanceTabProps {
+  instance: Instance
+  active: boolean
+  onSelect: () => void
+  onClose: () => void
+}
+
+function formatFolderName(path: string, instances: Instance[], currentInstance: Instance): string {
+  const name = path.split("/").pop() || path
+
+  const duplicates = instances.filter((i) => {
+    const iName = i.folder.split("/").pop() || i.folder
+    return iName === name
+  })
+
+  if (duplicates.length > 1) {
+    const index = duplicates.findIndex((i) => i.id === currentInstance.id)
+    return `~/${name} (${index + 1})`
+  }
+
+  return `~/${name}`
+}
+
+const InstanceTab: Component<InstanceTabProps> = (props) => {
+  return (
+    <div class="group">
+      <button
+        class={`tab-base ${props.active ? "tab-active" : "tab-inactive"}`}
+        onClick={props.onSelect}
+        title={props.instance.folder}
+        role="tab"
+        aria-selected={props.active}
+      >
+        <FolderOpen class="w-4 h-4 flex-shrink-0" />
+        <span class="tab-label">
+          {props.instance.folder.split("/").pop() || props.instance.folder}
+        </span>
+        <span
+          class="tab-close ml-auto"
+          onClick={(e) => {
+            e.stopPropagation()
+            props.onClose()
+          }}
+          role="button"
+          tabIndex={0}
+          aria-label="Close instance"
+        >
+          <X class="w-3 h-3" />
+        </span>
+      </button>
+    </div>
+  )
+}
+
+export default InstanceTab