add hw2

node_modules/@iconify/utils/lib/emoji/replace/replace.js

@@ -0,0 +1,28 @@
+import { getEmojiMatchesInText, sortEmojiMatchesInText } from "./find.js";
+
+/**
+* Find and replace emojis in text
+*
+* Returns null if nothing was replaced
+*/
+function findAndReplaceEmojisInText(regexp, content, callback) {
+	const matches = getEmojiMatchesInText(regexp, content);
+	if (!matches.length) return null;
+	const sortedMatches = sortEmojiMatchesInText(content, matches);
+	let result = "";
+	let replaced = false;
+	for (let i = 0; i < sortedMatches.length; i++) {
+		const item = sortedMatches[i];
+		result += item.prev;
+		const replacement = callback({ ...item.match }, result);
+		if (replacement === void 0) result += item.match.match;
+		else {
+			result += replacement;
+			replaced = true;
+		}
+	}
+	result += sortedMatches[sortedMatches.length - 1].next;
+	return replaced ? result : null;
+}
+
+export { findAndReplaceEmojisInText };