feat: media picker and image removal

web/src/lib/bodyImageIds.ts

@@ -0,0 +1,13 @@
+const IMAGE_ID_SELECTOR = 'img[data-image-id]'
+const IMAGE_ID_ATTRIBUTE = 'data-image-id'
+
+export function bodyImageCount(html: string): number {
+	return new DOMParser().parseFromString(html, 'text/html').querySelectorAll('img').length
+}
+
+export function bodyImageIds(html: string): number[] {
+	const document = new DOMParser().parseFromString(html, 'text/html')
+	return Array.from(document.querySelectorAll(IMAGE_ID_SELECTOR))
+		.map((image) => Number.parseInt(image.getAttribute(IMAGE_ID_ATTRIBUTE) ?? '', 10))
+		.filter((id) => !Number.isNaN(id))
+}