Initial commit

quartz/components/scripts/util.ts

@@ -0,0 +1,25 @@
+export function registerEscapeHandler(outsideContainer: HTMLElement | null, cb: () => void) {
+  if (!outsideContainer) return
+  function click(this: HTMLElement, e: HTMLElementEventMap["click"]) {
+    if (e.target !== this) return
+    e.preventDefault()
+    cb()
+  }
+
+  function esc(e: HTMLElementEventMap["keydown"]) {
+    if (!e.key.startsWith("Esc")) return
+    e.preventDefault()
+    cb()
+  }
+
+  outsideContainer?.addEventListener("click", click)
+  window.addCleanup(() => outsideContainer?.removeEventListener("click", click))
+  document.addEventListener("keydown", esc)
+  window.addCleanup(() => document.removeEventListener("keydown", esc))
+}
+
+export function removeAllChildren(node: HTMLElement) {
+  while (node.firstChild) {
+    node.removeChild(node.firstChild)
+  }
+}