Feb 12, 20261 min read
How I Reduced Search Time from 2.5 Seconds to Under 1 Millisecond in TypeScript
My KenyaLocations service used fuzzy search logic that cost ~2500ms for 100 queries. By switching to Map-based indexing with O(1) lookups, I brought that down to 0.68ms total. No iteration, no scoring, no heavy computation.
TypeScriptPerformanceData Structures