feat: remove the 10,000-character article body limit and make the New article body optional

web/src/lib/bodyCounts.ts

@@ -0,0 +1,23 @@
+const HTML_MIME = 'text/html'
+const WHITESPACE = /\s+/
+const EMPTY_DOCUMENT = '<p></p>'
+const BLOCK_END = /<\/(?:p|h[1-6]|li|blockquote|pre|div)>|<br\s*\/?>/gi
+
+export const LARGE_BODY_CHARACTERS = 50000
+
+export function isLargeBody(characters: number) {
+	return characters >= LARGE_BODY_CHARACTERS
+}
+
+export type BodyCounts = { words: number; characters: number }
+
+export function bodyCounts(html: string): BodyCounts {
+	if (html.length === 0 || html === EMPTY_DOCUMENT) {
+		return { words: 0, characters: 0 }
+	}
+	const text =
+		new DOMParser().parseFromString(html.replace(BLOCK_END, '$& '), HTML_MIME).body
+			.textContent ?? ''
+	const words = text.split(WHITESPACE).filter(Boolean).length
+	return { words, characters: html.length }
+}