Rename directory: ext -> extension

extension/src/ui/LoadingIndicator.svelte

@@ -0,0 +1,31 @@
+<script lang="ts">
+    import { onMount } from "svelte";
+
+    function getNextEllipsis(ellipsis: string): string {
+        if (ellipsis === "") return ".";
+        if (ellipsis === ".") return "..";
+        if (ellipsis === "..") return "...";
+        if (ellipsis === "...") return "";
+
+        return "";
+    }
+
+    export let interval = 500;
+
+    let ellipsis = "";
+    let intervalId: number;
+
+    onMount(() => {
+        intervalId = window.setInterval(() => {
+            ellipsis = getNextEllipsis(ellipsis);
+        }, interval);
+
+        return () => {
+            window.clearInterval(intervalId);
+        };
+    });
+</script>
+
+<span class="indicator">
+    <slot />{ellipsis}
+</span>