1 files changed, 69 insertions, 0 deletions
diff --git a/docusaurus/static/ajax/libs/wolfree/23.7.8/js/Placeholder.js b/docusaurus/static/ajax/libs/wolfree/23.7.8/js/Placeholder.js
new file mode 100644
index 0000000..d5b45a6
--- /dev/null
+++ b/docusaurus/static/ajax/libs/wolfree/23.7.8/js/Placeholder.js
@@ -0,0 +1,69 @@
+/**
+ * @license
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ * This file is part of Wolfree.
+ * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ */
+
+// @ts-check
+
+export default class Placeholder {
+  className = "wolfree-placeholder";
+
+  placeholderHTML = `
+      <div class="${this.className}">
+        <div>
+          <div>
+            <div><div></div></div>
+            <div><div></div></div>
+            <div><div></div></div>
+          </div>
+        </div>
+      </div>
+    `;
+
+  insert = ({
+    container = document.querySelector(
+      "html > body > #__next > div > main > main > div:nth-of-type(1)"
+    ),
+  } = {}) => {
+    try {
+      return (
+        container instanceof HTMLDivElement
+          ? container.insertAdjacentHTML("afterend", this.placeholderHTML)
+          : console.error({ container }),
+        { container }
+      );
+    } catch (error) {
+      return (
+        console.error(
+          { error },
+          "Fail to insert the skeleton placeholder components."
+        ),
+        { error }
+      );
+    }
+  };
+
+  remove = ({
+    allPlaceholders = document.querySelectorAll(
+      `html > body > #__next > div > main > main > div.${this.className}`
+    ),
+  } = {}) => {
+    try {
+      return (
+        console.assert(allPlaceholders.length === 1),
+        allPlaceholders.forEach((placeholder) => placeholder.remove()),
+        { allPlaceholders }
+      );
+    } catch (error) {
+      return (
+        console.error(
+          { error },
+          "Fail to remove the skeleton placeholder components."
+        ),
+        { error }
+      );
+    }
+  };
+}