refactor(build): modularize JS code

- replace gulp with rollup - remove JS output from repo
2025-12-22 07:33:28 +00:00 · 2023-03-13 20:20:59 +08:00
parent 002f02533d
commit b69d3d7edd
55 changed files with 1267 additions and 1247 deletions
--- a/_javascript/modules/components/search-display.js
+++ b/_javascript/modules/components/search-display.js
@@ -0,0 +1,122 @@
+/**
+ * This script make #search-result-wrapper switch to unloaded or shown automatically.
+ */
+const $btnSbTrigger = $('#sidebar-trigger');
+const $btnSearchTrigger = $('#search-trigger');
+const $btnCancel = $('#search-cancel');
+const $main = $('#main');
+const $topbarTitle = $('#topbar-title');
+const $searchWrapper = $('#search-wrapper');
+const $resultWrapper = $('#search-result-wrapper');
+const $results = $('#search-results');
+const $input = $('#search-input');
+const $hints = $('#search-hints');
+const $viewport = $('html,body');
+
+// class names
+const C_LOADED = 'loaded';
+const C_UNLOADED = 'unloaded';
+const C_FOCUS = 'input-focus';
+const C_FLEX = 'd-flex';
+
+class ScrollBlocker {
+  static offset = 0;
+  static resultVisible = false;
+
+  static on() {
+    ScrollBlocker.offset = window.scrollY;
+    $viewport.scrollTop(0);
+  }
+
+  static off() {
+    $viewport.scrollTop(ScrollBlocker.offset);
+  }
+}
+
+/*--- Actions in mobile screens (Sidebar hidden) ---*/
+class MobileSearchBar {
+  static on() {
+    $btnSbTrigger.addClass(C_UNLOADED);
+    $topbarTitle.addClass(C_UNLOADED);
+    $btnSearchTrigger.addClass(C_UNLOADED);
+    $searchWrapper.addClass(C_FLEX);
+    $btnCancel.addClass(C_LOADED);
+  }
+
+  static off() {
+    $btnCancel.removeClass(C_LOADED);
+    $searchWrapper.removeClass(C_FLEX);
+    $btnSbTrigger.removeClass(C_UNLOADED);
+    $topbarTitle.removeClass(C_UNLOADED);
+    $btnSearchTrigger.removeClass(C_UNLOADED);
+  }
+}
+
+class ResultSwitch {
+  static on() {
+    if (!ScrollBlocker.resultVisible) {
+      // the block method must be called before $(#main) unloaded.
+      ScrollBlocker.on();
+      $resultWrapper.removeClass(C_UNLOADED);
+      $main.addClass(C_UNLOADED);
+      ScrollBlocker.resultVisible = true;
+    }
+  }
+
+  static off() {
+    if (ScrollBlocker.resultVisible) {
+      $results.empty();
+      if ($hints.hasClass(C_UNLOADED)) {
+        $hints.removeClass(C_UNLOADED);
+      }
+      $resultWrapper.addClass(C_UNLOADED);
+      $main.removeClass(C_UNLOADED);
+
+      // now the release method must be called after $(#main) display
+      ScrollBlocker.off();
+
+      $input.val('');
+      ScrollBlocker.resultVisible = false;
+    }
+  }
+}
+
+function isMobileView() {
+  return $btnCancel.hasClass(C_LOADED);
+}
+
+export function displaySearch() {
+  $btnSearchTrigger.on('click', function () {
+    MobileSearchBar.on();
+    ResultSwitch.on();
+    $input.trigger('focus');
+  });
+
+  $btnCancel.on('click', function () {
+    MobileSearchBar.off();
+    ResultSwitch.off();
+  });
+
+  $input.on('focus', function () {
+    $searchWrapper.addClass(C_FOCUS);
+  });
+
+  $input.on('focusout', function () {
+    $searchWrapper.removeClass(C_FOCUS);
+  });
+
+  $input.on('input', () => {
+    if ($input.val() === '') {
+      if (isMobileView()) {
+        $hints.removeClass(C_UNLOADED);
+      } else {
+        ResultSwitch.off();
+      }
+    } else {
+      ResultSwitch.on();
+      if (isMobileView()) {
+        $hints.addClass(C_UNLOADED);
+      }
+    }
+  });
+}