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smaller synonym algorithm #33

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Merged
daniel-heppner-ibigroup merged 2 commits into from
Apr 8, 2026
Merged

smaller synonym algorithm #33

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37fd4de
refactor: smaller synonym algorithm
miles-grant-ibigroup Apr 7, 2026
d1ccf5e
cleaner
miles-grant-ibigroup Apr 8, 2026
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33 changes: 19 additions & 14 deletions packages/geocoder/src/apis/offline/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -29,23 +29,28 @@ async function autocomplete({
}: OfflineQuery): Promise<OfflineResponse> {
if (!text) return [];

const itemsWithSynonyms = [];
const synonymIndicies = [];

// Add synonyms to full list
// TODO: can this be done in a cleaner way?
items.forEach((item, idx) => {
itemsWithSynonyms.push(item.label);
synonymIndicies.push(idx);
if (item?.synonyms) {
item.synonyms.forEach(synonym => {
itemsWithSynonyms.push(synonym);
synonymIndicies.push(idx);
});
}
});

// eslint-disable-next-line new-cap
const u = new uFuzzy();

const haystackMap = items.flatMap<[string, number]>((item, idx) => {
const allTerms = [item.label, ...(item.synonyms ?? [])]
// old eslint doesn't support satisfies syntax
// eslint-disable-next-line prettier/prettier
return allTerms.map(term => [term, idx] satisfies [string, number])
})

const matchedIdxs = u.filter(haystackMap.map(i => i[0]), text);
if (!matchedIdxs) return [];
const resultIdxs = matchedIdxs.reduce((results, matchIdx) => {
const itemIdx = haystackMap[matchIdx][1]
return results.add(itemIdx)
}, new Set<number>())
return [...resultIdxs].map(i => items[i])
const idxs = u.filter(itemsWithSynonyms, text);

return Array.from(new Set(idxs.map(index => items[synonymIndicies[index]])));
}

function search(args: OfflineQuery): Promise<OfflineResponse> {
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