Bundling JS with ESBuild (#702)

* add npm dependencies used in this theme

* implement helper to configure JS and ESBuild

* migrate jquery popper.js bootstrap fontawesome to js bundle

* refactor main.js into smaller pieces, and moved navbar.js to assets

* remove list.js. It adjusts post card height to be the same, but is actually not needed.

* refactored notes.js, search.js, single.js into application.js

* move ityped to js asset, implement experiences horizontal vertical line in css

* align recent post height via css

* migrated home.js and refactored into various sections

* migrated darkMode feature to js bundle

* moved mermaid feature to js bundle

* migrate syntax highlight to js bundle

* migrate katex ( js portion ) to js bundle

* migrate pdf-js to js bundle by delegating to cdn

* set explicit comparisions for feature envvars so js can properly optimize

* removed goat-counter

* more fixes for broken achievements and small bugs

* more bug fixes

* allow configuration of hightlight.js, fix video-player shortcode

* remove jquery all together

* add null handling and fix merge conflicts

Co-authored-by: Aaron Qian <aaron@yeet.io>

assets/scripts/core/device.js

@@ -0,0 +1,36 @@
+let deviceState = {
+  isMobile: false,
+  isTablet: false,
+  isLaptop: false
+}
+
+function detectDeviceState () {
+  if (window.innerWidth <= 425) {
+    deviceState = {
+      isMobile: true,
+      isTablet: false,
+      isLaptop: false
+    }
+  } else if (window.innerWidth <= 768) {
+    deviceState = {
+      isMobile: false,
+      isTablet: true,
+      isLaptop: false
+    }
+  } else {
+    deviceState = {
+      isMobile: false,
+      isTablet: false,
+      isLaptop: true
+    }
+  }
+}
+
+detectDeviceState()
+window.addEventListener('resize', detectDeviceState)
+
+// returns a copy of the device state
+// so other parts of code can't override this.
+export function getDeviceState () {
+  return { ...deviceState }
+}