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-rw-r--r--web_src/js/utils/match.js43
1 files changed, 43 insertions, 0 deletions
diff --git a/web_src/js/utils/match.js b/web_src/js/utils/match.js
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+++ b/web_src/js/utils/match.js
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+import emojis from '../../../assets/emoji.json';
+
+const maxMatches = 6;
+
+function sortAndReduce(map) {
+ const sortedMap = new Map(Array.from(map.entries()).sort((a, b) => a[1] - b[1]));
+ return Array.from(sortedMap.keys()).slice(0, maxMatches);
+}
+
+export function matchEmoji(queryText) {
+ const query = queryText.toLowerCase().replaceAll('_', ' ');
+ if (!query) return emojis.slice(0, maxMatches).map((e) => e.aliases[0]);
+
+ // results is a map of weights, lower is better
+ const results = new Map();
+ for (const {aliases} of emojis) {
+ const mainAlias = aliases[0];
+ for (const [aliasIndex, alias] of aliases.entries()) {
+ const index = alias.replaceAll('_', ' ').indexOf(query);
+ if (index === -1) continue;
+ const existing = results.get(mainAlias);
+ const rankedIndex = index + aliasIndex;
+ results.set(mainAlias, existing ? existing - rankedIndex : rankedIndex);
+ }
+ }
+
+ return sortAndReduce(results);
+}
+
+export function matchMention(queryText) {
+ const query = queryText.toLowerCase();
+
+ // results is a map of weights, lower is better
+ const results = new Map();
+ for (const obj of window.config.mentionValues ?? []) {
+ const index = obj.key.toLowerCase().indexOf(query);
+ if (index === -1) continue;
+ const existing = results.get(obj);
+ results.set(obj, existing ? existing - index : index);
+ }
+
+ return sortAndReduce(results);
+}