Migrate from JavaScript to TypeScript with Vite + Vitest

.npmrc

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+registry=https://registry.npmjs.org/

bench/martinez.bench.ts

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+import { describe, bench } from 'vitest';
+import { readFileSync } from 'fs';
+import { join } from 'path';
+import jstsUnion from '@turf/union';
+import * as martinez from '../index';
+
+/**
+ * Benchmark Results
+ *
+ * Previous results with Benchmark.js:
+ * Hole_Hole x 13,345 ops/sec ±2.13% (91 runs sampled)
+ * Hole_Hole - JSTS x 1,724 ops/sec ±4.80% (87 runs sampled)
+ * Asia x 6.32 ops/sec ±3.16% (20 runs sampled)
+ * Asia - JSTS x 6.62 ops/sec ±2.74% (21 runs sampled)
+ */
+
+// Helper to load JSON files
+const loadJSON = (filePath: string) => JSON.parse(readFileSync(filePath, 'utf-8'));
+
+// Load test fixtures
+const hole_hole = loadJSON(join(__dirname, '../test/fixtures/hole_hole.geojson'));
+const asia = loadJSON(join(__dirname, '../test/fixtures/asia.geojson'));
+const unionPoly = loadJSON(join(__dirname, '../test/fixtures/asia_unionPoly.geojson'));
+const states = loadJSON(join(__dirname, '../test/fixtures/states_source.geojson'));
+
+describe('Hole_Hole union', () => {
+  bench('Martinez', () => {
+    martinez.union(
+      hole_hole.features[0].geometry.coordinates,
+      hole_hole.features[1].geometry.coordinates
+    );
+  });
+
+  bench('JSTS', () => {
+    jstsUnion(hole_hole.features[0], hole_hole.features[1]);
+  });
+});
+
+describe('Asia union', () => {
+  bench('Martinez', () => {
+    martinez.union(
+      asia.features[0].geometry.coordinates,
+      unionPoly.geometry.coordinates
+    );
+  });
+
+  bench('JSTS', () => {
+    jstsUnion(asia.features[0], unionPoly);
+  });
+});
+
+describe('States clip', () => {
+  bench('Martinez', () => {
+    martinez.union(
+      states.features[0].geometry.coordinates,
+      states.features[1].geometry.coordinates
+    );
+  });
+
+  bench('JSTS', () => {
+    jstsUnion(states.features[0], states.features[1]);
+  });
+});