add hw2

node_modules/@iconify/utils/lib/emoji/regex/similar.d.ts

@@ -0,0 +1,46 @@
+import { EmojiItemRegex, SetEmojiItemRegex } from "./base.js";
+type SlicePosition = 'start' | 'end';
+type SliceValue = number | 'full';
+/**
+ * Slice of sequence
+ */
+interface SimilarRegexItemSlice {
+  index: number;
+  slice: SliceValue;
+}
+/**
+ * Similar sequence
+ */
+interface SimilarRegexItemSequence {
+  type: SlicePosition;
+  slices: SimilarRegexItemSlice[];
+}
+/**
+ * Result if findSimilarRegexItemSequences()
+ */
+interface SimilarRegexItemSequenceResult {
+  score: number;
+  sequences: SimilarRegexItemSequence[];
+}
+/**
+ * Find similar item sequences
+ *
+ * Returns sequence(s) with highest score. Only one of results should be
+ * applied to items. If there are multiple sequences, clone items list,
+ * attempt to apply each sequence, run further optimisations on each fork
+ * and see which one returns better result.
+ *
+ * Returns undefined if no common sequences found
+ */
+declare function findSimilarRegexItemSequences(items: EmojiItemRegex[]): SimilarRegexItemSequenceResult | undefined;
+/**
+ * Merge similar sequences
+ *
+ * Accepts callback to run optimisation on created subset
+ */
+declare function mergeSimilarRegexItemSequences(items: EmojiItemRegex[], merge: SimilarRegexItemSequence, optimise?: (set: SetEmojiItemRegex) => EmojiItemRegex): EmojiItemRegex[];
+/**
+ * Merge similar items
+ */
+declare function mergeSimilarItemsInSet(set: SetEmojiItemRegex): EmojiItemRegex;
+export { findSimilarRegexItemSequences, mergeSimilarItemsInSet, mergeSimilarRegexItemSequences };