INIT

2026-02-17 14:10:16 -06:00
parent 2bca5834c5
commit cf73cd3b4c
11246 changed files with 1690552 additions and 0 deletions
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+import { defaultWindow, } from "../../internal/configurable-globals.js";
+import { on } from "svelte/events";
+/**
+ * Tracks whether the current document is visible (i.e., not hidden).
+ * It listens to the "visibilitychange" event and updates reactively.
+ *
+ * @see {@link https://developer.mozilla.org/docs/Web/API/Document/visibilitychange_event}
+ * @see {@link https://runed.dev/docs/utilities/is-document-visible}
+ */
+export class IsDocumentVisible {
+    #visible = $state(false);
+    constructor(options = {}) {
+        const window = options.window ?? defaultWindow;
+        const document = options.document ?? window?.document;
+        this.#visible = document ? !document.hidden : false;
+        $effect(() => {
+            if (!document)
+                return;
+            return on(document, "visibilitychange", () => {
+                this.#visible = !document.hidden;
+            });
+        });
+    }
+    get current() {
+        return this.#visible;
+    }
+}