style: format `book.js` with dprint to make diffing easier with upstream (#400)

Signed-off-by: simonsan <14062932+simonsan@users.noreply.github.com>

dprint.json

@@ -16,14 +16,18 @@
     "includes": [
         "**/*.{md}",
         "**/*.{toml}",
-        "**/*.{json}"
+        "**/*.{json}",
+        "**/*.{js,ts,tsx,jsx}"
     ],
     "excludes": [
+        "book/**/book.js",
+        "theme/book.js",
         "target/**/*"
     ],
     "plugins": [
         "https://plugins.dprint.dev/markdown-0.16.4.wasm",
         "https://plugins.dprint.dev/toml-0.6.1.wasm",
-        "https://plugins.dprint.dev/json-0.19.2.wasm"
+        "https://plugins.dprint.dev/json-0.19.2.wasm",
+        "https://plugins.dprint.dev/typescript-0.89.3.wasm"
     ]
 }

third_party/mdbook/book.js

@@ -234,7 +234,7 @@ function playground_text(playground, hidden = true) {
     var buttons = document.createElement("div");
     buttons.className = "buttons";
     buttons.innerHTML =
-      '<button class="fa fa-eye" title="Show hidden lines" aria-label="Show hidden lines"></button>';
+      "<button class=\"fa fa-eye\" title=\"Show hidden lines\" aria-label=\"Show hidden lines\"></button>";
 
     // add expand button
     var pre_block = block.parentNode;
@@ -274,7 +274,7 @@ function playground_text(playground, hidden = true) {
         clipButton.className = "fa fa-copy clip-button";
         clipButton.title = "Copy to clipboard";
         clipButton.setAttribute("aria-label", clipButton.title);
-        clipButton.innerHTML = '<i class="tooltiptext"></i>';
+        clipButton.innerHTML = "<i class=\"tooltiptext\"></i>";
 
         buttons.insertBefore(clipButton, buttons.firstChild);
       }
@@ -283,7 +283,7 @@ function playground_text(playground, hidden = true) {
 
   // Process playground code blocks
   Array.from(document.querySelectorAll(".playground")).forEach(function(
-    pre_block
+    pre_block,
   ) {
     // Add play button
     var buttons = pre_block.querySelector(".buttons");
@@ -307,11 +307,11 @@ function playground_text(playground, hidden = true) {
     if (window.playground_copyable) {
       var copyCodeClipboardButton = document.createElement("button");
       copyCodeClipboardButton.className = "fa fa-copy clip-button";
-      copyCodeClipboardButton.innerHTML = '<i class="tooltiptext"></i>';
+      copyCodeClipboardButton.innerHTML = "<i class=\"tooltiptext\"></i>";
       copyCodeClipboardButton.title = "Copy to clipboard";
       copyCodeClipboardButton.setAttribute(
         "aria-label",
-        copyCodeClipboardButton.title
+        copyCodeClipboardButton.title,
       );
 
       buttons.insertBefore(copyCodeClipboardButton, buttons.firstChild);
@@ -339,7 +339,7 @@ function playground_text(playground, hidden = true) {
   var html = document.querySelector("html");
   var themeToggleButton = document.getElementById("theme-toggle");
   var themePopup = document.getElementById("theme-list");
-  var themeColorMetaTag = document.querySelector('meta[name="theme-color"]');
+  var themeColorMetaTag = document.querySelector("meta[name=\"theme-color\"]");
   var stylesheets = {
     ayuHighlight: document.querySelector("[href$='ayu-highlight.css']"),
     tomorrowNight: document.querySelector("[href$='tomorrow-night.css']"),
@@ -402,7 +402,7 @@ function playground_text(playground, hidden = true) {
 
     setTimeout(function() {
       themeColorMetaTag.content = getComputedStyle(
-        document.documentElement
+        document.documentElement,
       ).backgroundColor;
     }, 1);
 
@@ -453,9 +453,9 @@ function playground_text(playground, hidden = true) {
   themePopup.addEventListener("focusout", function(e) {
     // e.relatedTarget is null in Safari and Firefox on macOS (see workaround below)
     if (
-      !!e.relatedTarget &&
-      !themeToggleButton.contains(e.relatedTarget) &&
-      !themePopup.contains(e.relatedTarget)
+      !!e.relatedTarget
+      && !themeToggleButton.contains(e.relatedTarget)
+      && !themePopup.contains(e.relatedTarget)
     ) {
       hideThemes();
     }
@@ -464,9 +464,9 @@ function playground_text(playground, hidden = true) {
   // Should not be needed, but it works around an issue on macOS & iOS: https://github.com/rust-lang/mdBook/issues/628
   document.addEventListener("click", function(e) {
     if (
-      themePopup.style.display === "block" &&
-      !themeToggleButton.contains(e.target) &&
-      !themePopup.contains(e.target)
+      themePopup.style.display === "block"
+      && !themeToggleButton.contains(e.target)
+      && !themePopup.contains(e.target)
     ) {
       hideThemes();
     }
@@ -560,7 +560,7 @@ function playground_text(playground, hidden = true) {
     if (html.classList.contains("sidebar-hidden")) {
       var current_width = parseInt(
         document.documentElement.style.getPropertyValue("--sidebar-width"),
-        10
+        10,
       );
       if (current_width < 150) {
         document.documentElement.style.setProperty("--sidebar-width", "150px");
@@ -611,7 +611,7 @@ function playground_text(playground, hidden = true) {
         time: Date.now(),
       };
     },
-    { passive: true }
+    { passive: true },
   );
 
   document.addEventListener(
@@ -625,16 +625,16 @@ function playground_text(playground, hidden = true) {
 
       if (tDiff < 250 && Math.abs(xDiff) >= 150) {
         if (
-          xDiff >= 0 &&
-          firstContact.x < Math.min(document.body.clientWidth * 0.25, 300)
-        )
+          xDiff >= 0
+          && firstContact.x < Math.min(document.body.clientWidth * 0.25, 300)
+        ) {
           showSidebar();
-        else if (xDiff < 0 && curX < 300) hideSidebar();
+        } else if (xDiff < 0 && curX < 300) hideSidebar();
 
         firstContact = null;
       }
     },
-    { passive: true }
+    { passive: true },
   );
 })();
 
@@ -758,7 +758,7 @@ function playground_text(playground, hidden = true) {
         }
         prevScrollTop = scrollTop;
       },
-      { passive: true }
+      { passive: true },
     );
   })();
   (function controllBorder() {