ajout d'image

src/app/issues/paste-image.util.ts

@@ -0,0 +1,27 @@
+export function handleImagePaste(event: ClipboardEvent, onImage: (markdown: string) => void): void {
+  const items = event.clipboardData?.items;
+  if (!items) return;
+  for (const item of Array.from(items)) {
+    if (item.type.startsWith('image/')) {
+      const file = item.getAsFile();
+      if (!file) continue;
+      event.preventDefault();
+      const reader = new FileReader();
+      reader.onload = (e) => onImage(`![image](${e.target!.result as string})`);
+      reader.readAsDataURL(file);
+      return;
+    }
+  }
+}
+
+export function insertAtSelection(
+  textarea: HTMLTextAreaElement,
+  currentValue: string,
+  start: number,
+  end: number,
+  insertion: string,
+): string {
+  const next = currentValue.slice(0, start) + insertion + currentValue.slice(end);
+  setTimeout(() => { textarea.selectionStart = textarea.selectionEnd = start + insertion.length; });
+  return next;
+}