feat: gaps in tailwind migration closed

assets/js/utils/layout.js

@@ -0,0 +1,43 @@
+import { clamp } from "./dom.js";
+import { SIDEBAR_STORAGE_KEY, ASSISTANT_STORAGE_KEY } from "../constants.js";
+
+export const shellWidth = (selector) => {
+  const shell = document.querySelector(selector);
+
+  if (!shell) {
+    return 0;
+  }
+
+  const width = Number.parseInt(shell.style.width || "0", 10);
+  return Number.isNaN(width) ? Math.round(shell.getBoundingClientRect().width) : width;
+};
+
+export const setShellWidth = (selector, width) => {
+  const shell = document.querySelector(selector);
+
+  if (shell) {
+    shell.style.width = `${width}px`;
+    shell.classList.remove("is-hidden");
+  }
+};
+
+export const persistWidth = (target, width) => {
+  const key = target === "assistant" ? ASSISTANT_STORAGE_KEY : SIDEBAR_STORAGE_KEY;
+  window.localStorage.setItem(key, String(width));
+};
+
+export const readStoredSize = (key, fallback, min, max) => {
+  const raw = window.localStorage.getItem(key);
+
+  if (!raw) {
+    return fallback;
+  }
+
+  const parsed = Number.parseInt(raw, 10);
+
+  if (Number.isNaN(parsed)) {
+    return fallback;
+  }
+
+  return clamp(parsed, min, max);
+};