bitview: reorg part 1

websites/bitview/scripts/core/elements.js

@@ -0,0 +1,28 @@
+/**
+ * @param {string} id
+ */
+function getElementById(id) {
+  const element = window.document.getElementById(id);
+  if (!element) throw `Element with id = "${id}" should exist`;
+  return element;
+}
+
+export default {
+  head: window.document.getElementsByTagName("head")[0],
+  body: window.document.body,
+  main: getElementById("main"),
+  aside: getElementById("aside"),
+  asideLabel: getElementById("aside-selector-label"),
+  navLabel: getElementById(`nav-selector-label`),
+  searchLabel: getElementById(`search-selector-label`),
+  search: getElementById("search"),
+  nav: getElementById("nav"),
+  searchInput: /** @type {HTMLInputElement} */ (getElementById("search-input")),
+  searchResults: getElementById("search-results"),
+  selectors: getElementById("frame-selectors"),
+  style: getComputedStyle(window.document.documentElement),
+  charts: getElementById("charts"),
+  table: getElementById("table"),
+  explorer: getElementById("explorer"),
+  simulation: getElementById("simulation"),
+};