Release Subtitle Tools 0.2.0

tests/media/peaks.test.ts

@@ -0,0 +1,15 @@
+import { describe, expect, it } from "vitest";
+import { extractPeaks } from "../../src/media/peaks";
+
+describe("waveform peak extraction", () => {
+  it("covers every sample when bucket sizes are uneven", () => {
+    const peaks = extractPeaks(Float32Array.of(0.1, -0.8, 0.2, 0.4, -1), 2);
+    expect(peaks[0]).toBeCloseTo(0.8);
+    expect(peaks[1]).toBe(1);
+  });
+
+  it("rejects invalid bounds and handles empty PCM", () => {
+    expect(extractPeaks(new Float32Array(), 5)).toHaveLength(0);
+    expect(() => extractPeaks(Float32Array.of(1), 0)).toThrow(/positive/u);
+  });
+});