message: using const over let
diff: @@ -12,21 +12,21 @@ describe("FrequencyEnvelope", () => {
  context("FrequencyEnvelope", () => {
  it("has an output connections", () => {
  - let freqEnv = new FrequencyEnvelope();
  + const freqEnv = new FrequencyEnvelope();
  freqEnv.connect(connectTo());
  connectFrom().connect(freqEnv);
  freqEnv.dispose();
  });
  it("extends Envelope", () => {
  - let freqEnv = new FrequencyEnvelope();
  + const freqEnv = new FrequencyEnvelope();
  expect(freqEnv).to.be.instanceOf(Envelope);
  freqEnv.dispose();
  });
  it("can get and set values an Objects", () => {
  - let freqEnv = new FrequencyEnvelope();
  - let values = {
  + const freqEnv = new FrequencyEnvelope();
  + const values = {
  attack: 0,
  release: "4n",
  baseFrequency: 20,
  @@ -59,13 +59,13 @@ describe("FrequencyEnvelope", () => {
  });
  it("goes to the scaled range", async () => {
  - let e = {
  + const e = {
  attack: 0.01,
  decay: 0.4,
  sustain: 1
  };
  const buffer = await Offline(() => {
  - let freqEnv = new FrequencyEnvelope(e.attack, e.decay, e.sustain);
  + const freqEnv = new FrequencyEnvelope(e.attack, e.decay, e.sustain);
  freqEnv.baseFrequency = 200;
  freqEnv.octaves = 3;
  freqEnv.attackCurve = "exponential";
  @@ -82,4 +82,3 @@ describe("FrequencyEnvelope", () => {
  });
  });
  });
  -
  