Global search!

src/TabManager.ts

@@ -96,6 +96,8 @@ interface Section {
 }
 
 export default class TabManager {
+  static instance: TabManager;
+
   sectionListContainer: HTMLElement;
 
   tabListContainer: HTMLElement;
@@ -104,6 +106,8 @@ export default class TabManager {
 
   sections: Record<string, Section> = {};
 
+  sectionMap: Record<string, string> = {};
+
   loading: boolean;
 
   constructor(
@@ -114,6 +118,7 @@ export default class TabManager {
     this.sectionListContainer = sectionlist;
     this.tabListContainer = tablist;
     this.tabContentContainer = tabcontent;
+    TabManager.instance = this;
   }
 
   /**
@@ -208,7 +213,7 @@ export default class TabManager {
       if (tabListItem.classList.contains("active")) {
         return;
       }
-      this.setActive(section, page);
+      this.setActive(page);
     });
     const iconElement = document.createElement("img");
     iconElement.src = icon || unknown;
@@ -228,6 +233,7 @@ export default class TabManager {
 
     // Create tab entry
     this.sections[section].tabs[page] = { tabListItem, tabContentItem };
+    this.sectionMap[page] = section;
 
     // Hide tab if section is hidden
     if (!this.sections[section].element.classList.contains("active")) {
@@ -243,17 +249,17 @@ export default class TabManager {
 
     // If asked for, set it to active
     if (active) {
-      this.setActive(section, page);
+      this.setActive(page);
     }
   }
 
   /**
    * Set a specific page to be the active/visible one
-   * @param section Section name
    * @param page Page name
    */
-  setActive(section: string, page: string): void {
+  setActive(page: string): void {
     // Make sure tab exists (why wouldn't it?!)
+    const section = this.sectionMap[page];
     if (!(section in this.sections)) {
       throw new Error("section not found");
     }
@@ -263,9 +269,6 @@ export default class TabManager {
     }
 
     // Deactivate current active tab
-    this.sectionListContainer
-      .querySelectorAll(".active")
-      .forEach((it) => it.classList.remove("active"));
     this.tabListContainer
       .querySelectorAll(".active")
       .forEach((it) => it.classList.remove("active"));
@@ -274,7 +277,10 @@ export default class TabManager {
       .forEach((it) => it.classList.remove("active"));
 
     // If section is not shown, show it!
-    if (!this.sections[section].element.classList.contains("active")) {
+    const isSectionActive = this.sections[section].element.classList.contains(
+      "active"
+    );
+    if (!isSectionActive) {
       this.showSection(section);
     }
 

src/index.ts

@@ -1,6 +1,7 @@
 import TabManager from "./TabManager";
 import sections from "./sections";
 import { nextAnimationFrame } from "./utils";
+import { searchBox } from "./search";
 
 // @ts-expect-error: Parcel image import
 import unknown from "~/assets/images/tab-icons/unknown.svg";
@@ -50,7 +51,7 @@ async function load() {
     manager.setLoading(false);
 
     // Set first page as active
-    manager.setActive("Medical", "Guide_to_chemistry");
+    manager.setActive("Guide_to_chemistry");
   });
 }
 if ("serviceWorker" in navigator) {
@@ -66,3 +67,5 @@ if ("serviceWorker" in navigator) {
 }
 
 load();
+
+document.body.appendChild(searchBox());

src/search.ts

@@ -1,29 +1,51 @@
-interface SearchOption {
+import { nextAnimationFrame } from "./utils";
+import TabManager from "./TabManager";
+
+interface SearchEntry {
+  page: string;
+  element: HTMLElement;
+  name: string;
+  id: number;
   alignment: ScrollLogicalPosition;
 }
 
-export function searchBox(
-  el: HTMLElement[],
-  searchCandidate,
-  options: SearchOption = {
-    alignment: "center",
-  }
-): HTMLElement {
+const allEntries: SearchEntry[] = [];
+
+/**
+ * Add one or more entries to the global search database
+ * @param entries Search entries to add
+ */
+export function registerSearchEntries(entries: SearchEntry[]): void {
+  allEntries.push(...entries);
+}
+
+export function searchBox(): HTMLElement {
   // Fuzzy search box
   const resultList = document.createElement("ul");
   const searchBoxElem = document.createElement("div");
-  let selectedResult = null;
+  let selectedResult = 0;
   let results = [];
-  const jumpTo = (id: number) => {
-    el[id].scrollIntoView({
-      block: options.alignment,
+  let global = false;
+
+  const jumpTo = (entry: SearchEntry) => {
+    // If page is different jump to that
+    if (global) {
+      const currentPage = document.querySelector<HTMLElement>(".page.active")
+        .dataset.tab;
+      if (currentPage !== entry.page) {
+        TabManager.instance.setActive(entry.page);
+      }
+    }
+
+    entry.element.scrollIntoView({
+      block: entry.alignment,
       inline: "nearest",
       behavior: "auto",
     });
     document
       .querySelectorAll("table.wikitable .bgus_fz_selected")
       .forEach((sel) => sel.classList.remove("bgus_fz_selected"));
-    el[id].parentElement.classList.add("bgus_fz_selected");
+    entry.element.parentElement.classList.add("bgus_fz_selected");
   };
 
   const setSelectedResult = (i) => {
@@ -32,21 +54,39 @@ export function searchBox(
       .querySelectorAll(".selected")
       .forEach((sel) => sel.classList.remove("selected"));
     resultList.children[i].classList.add("selected");
-    jumpTo(results[i].id);
+    jumpTo(results[i]);
   };
 
-  const search = (str) => {
-    if (!str) {
+  const search = async (str: string, currentPage: string) => {
+    if (!str || str.length < 1) {
       return;
     }
+    // Check for special flags
+    let entries: SearchEntry[] = allEntries;
+    global = str[0] === ",";
+
+    // Unless we're doing a global search don't show entries for other pages
+    if (!global) {
+      entries = allEntries.filter((e) => e.page === currentPage);
+    } else {
+      // Remove prefix from string
+      str = str.substr(1);
+    }
+
+    // Re-check string lenght after prefix removal
+    if (str.length < 1) {
+      return;
+    }
+
     const combinations = str
       .split("")
-      .map((c) => (c.includes(["\\", "]", "^"]) ? `\\${c}` : c))
+      .map((c) => (["\\", "]", "^"].includes(c) ? `\\${c}` : c))
       .join("])(.*?)([");
     const regex = new RegExp(`^(.*?)([${combinations}])(.*?)$`, "i");
-    const arr = searchCandidate
-      .map((o) => {
-        o.matches = (o.str.match(regex) || [])
+    results = entries
+      .map((o) => ({
+        ...o,
+        matches: (o.name.match(regex) || [])
           .slice(1)
           .reduce((list, group, i, or) => {
             // Initialize first placeholder (always empty) and first matching "sections"
@@ -62,10 +102,9 @@ export function searchBox(
               list.push([group]);
             }
             return list;
-          }, [])
-          .map((cstr) => cstr.join(""));
-        return o;
-      })
+          }, [] as string[][])
+          .map((cstr) => cstr.join("")),
+      }))
       // Strike non-matching rows
       .filter((o) => o.matches.length > 0)
       .sort((oA, oB) => {
@@ -96,24 +135,35 @@ export function searchBox(
         // Make the search stable since ECMAScript doesn't mandate it
         return iA - iB;
       });
-    results = arr;
-    window.requestAnimationFrame(() => {
-      resultList.innerHTML = "";
-      arr.forEach(({ matches, id }) => {
-        const li = document.createElement("li");
-        li.innerHTML = matches
-          .map((c, i) => (i % 2 ? `<strong>${c}</strong>` : c))
-          .join("");
-        li.addEventListener("click", () => {
-          jumpTo(id);
-          searchBoxElem.classList.add("bgus_hidden");
-        });
-        resultList.appendChild(li);
+
+    await nextAnimationFrame();
+
+    console.log(results);
+    resultList.innerHTML = "";
+    results.forEach((elem) => {
+      const li = document.createElement("li");
+      elem.matches.forEach((match, i) => {
+        const cont = document.createElement(i % 2 ? "strong" : "span");
+        cont.appendChild(document.createTextNode(match));
+        li.appendChild(cont);
       });
-      if (results.length > 0) {
-        setSelectedResult(0);
+      if (global) {
+        const source = document.createElement("span");
+        source.className = "source";
+        source.appendChild(
+          document.createTextNode(elem.page.replace(/_/g, " "))
+        );
+        li.appendChild(source);
       }
+      li.addEventListener("click", () => {
+        jumpTo(elem);
+        searchBoxElem.classList.add("bgus_hidden");
+      });
+      resultList.appendChild(li);
     });
+    if (results.length > 0) {
+      setSelectedResult(0);
+    }
   };
 
   // Create fuzzy search box
@@ -128,7 +178,7 @@ export function searchBox(
         return;
       case 13: // Enter - Jump to first result and hide bar
         if (results.length > 0) {
-          jumpTo(results[selectedResult].id);
+          jumpTo(results[selectedResult]);
         }
         searchBoxElem.classList.add("bgus_hidden");
         return;
@@ -144,7 +194,10 @@ export function searchBox(
         return;
       default:
         if (sel.value !== oldValue) {
-          search(sel.value);
+          const currentPage = document.querySelector<HTMLElement>(
+            ".page.active"
+          );
+          search(sel.value, currentPage.dataset.tab);
           oldValue = sel.value;
         }
     }
@@ -178,4 +231,4 @@ export function searchBox(
   return searchBoxElem;
 }
 
-export default searchBox;
+export default { searchBox, registerSearchEntries };

src/userscript.ts

@@ -1,5 +1,5 @@
 import { darken, ColorFmt, lighten } from "./darkmode";
-import searchBox from "./search";
+import { registerSearchEntries } from "./search";
 import { findParent } from "./utils";
 
 // This is used for cache busting when userscript changes significantly.
@@ -301,14 +301,18 @@ function chemistryScript(root: HTMLElement) {
       "table.wikitable > tbody > tr:not(:first-child) > th"
     )
   );
-  const name = el.map((elem) =>
-    elem.querySelector(".reagent-header").textContent.trim().replace("▮", "")
+  registerSearchEntries(
+    el.map((element, id) => ({
+      page: "Guide_to_chemistry",
+      name: element
+        .querySelector(".reagent-header")
+        .textContent.trim()
+        .replace("▮", ""),
+      element,
+      alignment: "center",
+      id,
+    }))
   );
-  const box = searchBox(
-    el,
-    name.map((e, i) => ({ id: i, str: e }))
-  );
-  document.body.appendChild(box);
 
   document.body.addEventListener("keydown", (ev) => {
     if (ev.shiftKey) {
@@ -353,19 +357,21 @@ function chemistryScript(root: HTMLElement) {
   });
 }
 
-function genericScript(root: HTMLElement) {
+function genericScript(root: HTMLElement, docname: string) {
   const el = Array.from(
     root.querySelectorAll<HTMLElement>("div.mw-headline-cont[id][data-name]")
   );
-  const name = el.map((elem: HTMLDivElement) => elem.dataset.name.trim());
 
   // Init fuzzy search with headlines
-  const box = searchBox(
-    el,
-    name.map((e, i) => ({ id: i, str: e })),
-    { alignment: "start" }
+  registerSearchEntries(
+    el.map((element: HTMLDivElement, id) => ({
+      id,
+      page: docname,
+      name: element.dataset.name.trim(),
+      element,
+      alignment: "start",
+    }))
   );
-  root.appendChild(box);
 }
 
 export function bindFunctions(root: HTMLElement, docname: string): void {
@@ -374,7 +380,7 @@ export function bindFunctions(root: HTMLElement, docname: string): void {
       chemistryScript(root);
       break;
     default:
-      genericScript(root);
+      genericScript(root, docname);
       break;
   }
 }

style/bgus.scss

@@ -48,6 +48,13 @@
   margin: 0;
   padding: 5px;
   cursor: pointer;
+
+  .source {
+    color: #ccc;
+    font-size: 8pt;
+    display: block;
+    line-height: 1.4em;
+  }
 }
 #bgus_fz_searchbox li:hover {
   background-color: rgba(100, 100, 100, 0.5);