--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.cms/lib/codemirror/src/edit/fromTextArea.js	Fri Oct 11 22:40:23 2024 +0000
@@ -0,0 +1,61 @@
+import { CodeMirror } from "./CodeMirror.js"
+import { activeElt, rootNode } from "../util/dom.js"
+import { off, on } from "../util/event.js"
+import { copyObj } from "../util/misc.js"
+
+export function fromTextArea(textarea, options) {
+  options = options ? copyObj(options) : {}
+  options.value = textarea.value
+  if (!options.tabindex && textarea.tabIndex)
+    options.tabindex = textarea.tabIndex
+  if (!options.placeholder && textarea.placeholder)
+    options.placeholder = textarea.placeholder
+  // Set autofocus to true if this textarea is focused, or if it has
+  // autofocus and no other element is focused.
+  if (options.autofocus == null) {
+    let hasFocus = activeElt(rootNode(textarea))
+    options.autofocus = hasFocus == textarea ||
+      textarea.getAttribute("autofocus") != null && hasFocus == document.body
+  }
+
+  function save() {textarea.value = cm.getValue()}
+
+  let realSubmit
+  if (textarea.form) {
+    on(textarea.form, "submit", save)
+    // Deplorable hack to make the submit method do the right thing.
+    if (!options.leaveSubmitMethodAlone) {
+      let form = textarea.form
+      realSubmit = form.submit
+      try {
+        let wrappedSubmit = form.submit = () => {
+          save()
+          form.submit = realSubmit
+          form.submit()
+          form.submit = wrappedSubmit
+        }
+      } catch(e) {}
+    }
+  }
+
+  options.finishInit = cm => {
+    cm.save = save
+    cm.getTextArea = () => textarea
+    cm.toTextArea = () => {
+      cm.toTextArea = isNaN // Prevent this from being ran twice
+      save()
+      textarea.parentNode.removeChild(cm.getWrapperElement())
+      textarea.style.display = ""
+      if (textarea.form) {
+        off(textarea.form, "submit", save)
+        if (!options.leaveSubmitMethodAlone && typeof textarea.form.submit == "function")
+          textarea.form.submit = realSubmit
+      }
+    }
+  }
+
+  textarea.style.display = "none"
+  let cm = CodeMirror(node => textarea.parentNode.insertBefore(node, textarea.nextSibling),
+    options)
+  return cm
+}