chore: migrate benchmark script to TypeScript

Author: lpatiny

benchmark/contour.mjs

@@ -0,0 +1,54 @@
+// node --cpu-prof benchmark/contour.ts
+
+import { readFileSync } from 'node:fs';
+import { join } from 'node:path';
+
+import type { NumberMatrix } from 'cheminfo-types';
+import { convert } from 'jcampconverter';
+
+import { Conrec } from '../src/index.ts';
+
+const data = readFileSync(
+  join(import.meta.dirname, '../src/__tests__/data/zhmbc_0.jdx'),
+  'utf8',
+);
+const parsed = convert(data, { noContour: true }).flatten[0];
+
+const rawMatrix = parsed.minMax?.z;
+if (!rawMatrix) {
+  throw new Error('Failed to parse matrix from JCAMP file');
+}
+
+const matrix: NumberMatrix = rawMatrix.map((row) => Float64Array.from(row));
+
+// eslint-disable-next-line no-console
+console.log('Size: ', matrix[0].length, 'x', matrix.length);
+
+const conrec = new Conrec(matrix);
+
+const levels: number[] = [];
+for (let level = -1e4; level <= 1e4; level += 2e2) {
+  levels.push(level);
+}
+
+// eslint-disable-next-line no-console
+console.log(
+  `We calculate ${levels.length} levels close to zero to be close to noise`,
+);
+
+console.time('basic');
+
+const result = conrec.drawContour({
+  contourDrawer: 'basic',
+  levels,
+  timeout: 100000,
+});
+// eslint-disable-next-line no-console
+console.log(result.contours.length);
+console.timeEnd('basic');
+const totalNumberContours = result.contours.reduce(
+  (acc, contour) => acc + contour.lines.length,
+  0,
+);
+// eslint-disable-next-line no-console
+console.log({ totalNumberContours });