add hw2

node_modules/@iconify/utils/lib/emoji/test/name.js

@@ -0,0 +1,49 @@
+import { emojiComponents } from "../data.js";
+
+const nameSplit = ": ";
+const variationSplit = ", ";
+const ignoredVariations = new Set(["person"]);
+/**
+* Split emoji name to base name and variations
+*
+* Also finds indexes of each variation
+*/
+function splitEmojiNameVariations(name, sequence, componentsData) {
+	const parts = name.split(nameSplit);
+	const base = parts.shift();
+	if (!parts.length) return {
+		base,
+		key: base
+	};
+	const baseVariations = parts.join(nameSplit).split(variationSplit).filter((text) => {
+		const type = componentsData.types[text];
+		if (!type) return !ignoredVariations.has(text);
+		return false;
+	});
+	const key = base + (baseVariations.length ? nameSplit + baseVariations.join(variationSplit) : "");
+	const result = {
+		base,
+		key
+	};
+	let components = 0;
+	const variations = [...baseVariations];
+	for (let index = 0; index < sequence.length; index++) {
+		const num = sequence[index];
+		for (const key$1 in emojiComponents) {
+			const type = key$1;
+			const range = emojiComponents[type];
+			if (num >= range[0] && num < range[1]) {
+				variations.push({
+					index,
+					type
+				});
+				components++;
+			}
+		}
+	}
+	if (variations.length) result.variations = variations;
+	if (components) result.components = components;
+	return result;
+}
+
+export { splitEmojiNameVariations };