Lint

Pioneer-DDJ-FLX4_neu-script.js

@@ -58,12 +58,12 @@ PioneerDDJFLX4.lights = {
   },
   deck1: {
     vuMeter: {
-            status: 0xB0,
+      status: 0xb0,
       data1: 0x02,
     },
     playPause: {
       status: 0x90,
-            data1: 0x0B,
+      data1: 0x0b,
     },
     shiftPlayPause: {
       status: 0x90,
@@ -71,7 +71,7 @@ PioneerDDJFLX4.lights = {
     },
     cue: {
       status: 0x90,
-            data1: 0x0C,
+      data1: 0x0c,
     },
     shiftCue: {
       status: 0x90,
@@ -79,7 +79,7 @@ PioneerDDJFLX4.lights = {
     },
     hotcueMode: {
       status: 0x90,
-            data1: 0x1B,
+      data1: 0x1b,
     },
     keyboardMode: {
       status: 0x90,
@@ -87,11 +87,11 @@ PioneerDDJFLX4.lights = {
     },
     padFX1Mode: {
       status: 0x90,
-            data1: 0x1E,
+      data1: 0x1e,
     },
     padFX2Mode: {
       status: 0x90,
-            data1: 0x6B,
+      data1: 0x6b,
     },
     beatJumpMode: {
       status: 0x90,
@@ -99,7 +99,7 @@ PioneerDDJFLX4.lights = {
     },
     beatLoopMode: {
       status: 0x90,
-            data1: 0x6D,
+      data1: 0x6d,
     },
     samplerMode: {
       status: 0x90,
@@ -107,17 +107,17 @@ PioneerDDJFLX4.lights = {
     },
     keyShiftMode: {
       status: 0x90,
-            data1: 0x6F,
+      data1: 0x6f,
     },
   },
   deck2: {
     vuMeter: {
-            status: 0xB0,
+      status: 0xb0,
       data1: 0x02,
     },
     playPause: {
       status: 0x91,
-            data1: 0x0B,
+      data1: 0x0b,
     },
     shiftPlayPause: {
       status: 0x91,
@@ -125,7 +125,7 @@ PioneerDDJFLX4.lights = {
     },
     cue: {
       status: 0x91,
-            data1: 0x0C,
+      data1: 0x0c,
     },
     shiftCue: {
       status: 0x91,
@@ -133,7 +133,7 @@ PioneerDDJFLX4.lights = {
     },
     hotcueMode: {
       status: 0x91,
-            data1: 0x1B,
+      data1: 0x1b,
     },
     keyboardMode: {
       status: 0x91,
@@ -141,11 +141,11 @@ PioneerDDJFLX4.lights = {
     },
     padFX1Mode: {
       status: 0x91,
-            data1: 0x1E,
+      data1: 0x1e,
     },
     padFX2Mode: {
       status: 0x91,
-            data1: 0x6B,
+      data1: 0x6b,
     },
     beatJumpMode: {
       status: 0x91,
@@ -153,7 +153,7 @@ PioneerDDJFLX4.lights = {
     },
     beatLoopMode: {
       status: 0x91,
-            data1: 0x6D,
+      data1: 0x6d,
     },
     samplerMode: {
       status: 0x91,
@@ -161,7 +161,7 @@ PioneerDDJFLX4.lights = {
     },
     keyShiftMode: {
       status: 0x91,
-            data1: 0x6F,
+      data1: 0x6f,
     },
   },
 };
@@ -171,7 +171,10 @@ PioneerDDJFLX4.timers = {};
 
 // Keep alive timer
 PioneerDDJFLX4.sendKeepAlive = function () {
-    midi.sendSysexMsg([0xF0, 0x00, 0x40, 0x05, 0x00, 0x00, 0x04, 0x05, 0x00, 0x50, 0x02, 0xf7], 12); // This was reverse engineered with Wireshark
+  midi.sendSysexMsg(
+    [0xf0, 0x00, 0x40, 0x05, 0x00, 0x00, 0x04, 0x05, 0x00, 0x50, 0x02, 0xf7],
+    12
+  ); // This was reverse engineered with Wireshark
 };
 
 // Jog wheel constants
@@ -183,7 +186,7 @@ PioneerDDJFLX4.beta = PioneerDDJFLX4.alpha/32;
 PioneerDDJFLX4.fastSeekScale = 150;
 PioneerDDJFLX4.bendScale = 0.4;
 
-PioneerDDJFLX4.tempoRanges = [0.06, 0.10, 0.16, 0.25];
+PioneerDDJFLX4.tempoRanges = [0.06, 0.1, 0.16, 0.25];
 
 PioneerDDJFLX4.shiftButtonDown = [false, false];
 
@@ -201,7 +204,7 @@ PioneerDDJFLX4.beatjumpSizeForPad = {
   0x24: -4, // PAD 5
   0x25: 4, // PAD 6
   0x26: -8, // PAD 7
-    0x27: 8   // PAD 8
+  0x27: 8, // PAD 8
 };
 
 PioneerDDJFLX4.quickJumpSize = 32;
@@ -209,19 +212,19 @@ PioneerDDJFLX4.quickJumpSize = 32;
 // Used for tempo slider
 PioneerDDJFLX4.highResMSB = {
   "[Channel1]": {},
-    "[Channel2]": {}
+  "[Channel2]": {},
 };
 
 PioneerDDJFLX4.trackLoadedLED = function (value, group, _control) {
   midi.sendShortMsg(
-        0x9F,
+    0x9f,
     group.match(script.channelRegEx)[1] - 1,
-        value > 0 ? 0x7F : 0x00
+    value > 0 ? 0x7f : 0x00
   );
 };
 
 PioneerDDJFLX4.toggleLight = function (midiIn, active) {
-    midi.sendShortMsg(midiIn.status, midiIn.data1, active ? 0x7F : 0);
+  midi.sendShortMsg(midiIn.status, midiIn.data1, active ? 0x7f : 0);
 };
 
 //
@@ -249,28 +252,59 @@ PioneerDDJFLX4.init = function() {
     engine.setValue("[App]", "num_samplers", samplerCount);
   }
   for (let i = 1; i <= samplerCount; ++i) {
-        engine.makeConnection("[Sampler" + i + "]", "play", PioneerDDJFLX4.samplerPlayOutputCallbackFunction);
+    engine.makeConnection(
+      "[Sampler" + i + "]",
+      "play",
+      PioneerDDJFLX4.samplerPlayOutputCallbackFunction
+    );
   }
 
-    engine.makeConnection("[Channel1]", "track_loaded", PioneerDDJFLX4.trackLoadedLED);
+  engine.makeConnection(
-    engine.makeConnection("[Channel2]", "track_loaded", PioneerDDJFLX4.trackLoadedLED);
+    "[Channel1]",
+    "track_loaded",
+    PioneerDDJFLX4.trackLoadedLED
+  );
+  engine.makeConnection(
+    "[Channel2]",
+    "track_loaded",
+    PioneerDDJFLX4.trackLoadedLED
+  );
 
   // play the "track loaded" animation on both decks at startup
-    midi.sendShortMsg(0x9F, 0x00, 0x7F);
+  midi.sendShortMsg(0x9f, 0x00, 0x7f);
-    midi.sendShortMsg(0x9F, 0x01, 0x7F);
+  midi.sendShortMsg(0x9f, 0x01, 0x7f);
 
-    PioneerDDJFLX4.setLoopButtonLights(0x90, 0x7F);
+  PioneerDDJFLX4.setLoopButtonLights(0x90, 0x7f);
-    PioneerDDJFLX4.setLoopButtonLights(0x91, 0x7F);
+  PioneerDDJFLX4.setLoopButtonLights(0x91, 0x7f);
 
-    engine.makeConnection("[Channel1]", "loop_enabled", PioneerDDJFLX4.loopToggle);
+  engine.makeConnection(
-    engine.makeConnection("[Channel2]", "loop_enabled", PioneerDDJFLX4.loopToggle);
+    "[Channel1]",
+    "loop_enabled",
+    PioneerDDJFLX4.loopToggle
+  );
+  engine.makeConnection(
+    "[Channel2]",
+    "loop_enabled",
+    PioneerDDJFLX4.loopToggle
+  );
 
   for (i = 1; i <= 3; i++) {
-        engine.makeConnection("[EffectRack1_EffectUnit1_Effect" + i +"]", "enabled", PioneerDDJFLX4.toggleFxLight);
+    engine.makeConnection(
+      "[EffectRack1_EffectUnit1_Effect" + i + "]",
+      "enabled",
+      PioneerDDJFLX4.toggleFxLight
+    );
   }
-    engine.makeConnection("[EffectRack1_EffectUnit1]", "focused_effect", PioneerDDJFLX4.toggleFxLight);
+  engine.makeConnection(
+    "[EffectRack1_EffectUnit1]",
+    "focused_effect",
+    PioneerDDJFLX4.toggleFxLight
+  );
 
-    PioneerDDJFLX4.keepAliveTimer = engine.beginTimer(200, PioneerDDJFLX4.sendKeepAlive);
+  PioneerDDJFLX4.keepAliveTimer = engine.beginTimer(
+    200,
+    PioneerDDJFLX4.sendKeepAlive
+  );
 
   // query the controller for current control positions on startup
   PioneerDDJFLX4.sendKeepAlive(); // the query seems to double as a keep alive message
@@ -280,7 +314,13 @@ PioneerDDJFLX4.init = function() {
 // Waveform zoom
 //
 
-PioneerDDJFLX4.waveformZoom = function(midichan, control, value, status, group) {
+PioneerDDJFLX4.waveformZoom = function (
+  midichan,
+  control,
+  value,
+  status,
+  group
+) {
   if (value === 0x7f) {
     script.triggerControl(group, "waveform_zoom_up", 100);
   } else {
@@ -297,11 +337,11 @@ PioneerDDJFLX4.vuMeterUpdate = function(value, group) {
 
   switch (group) {
     case "[Channel1]":
-        midi.sendShortMsg(0xB0, 0x02, newVal);
+      midi.sendShortMsg(0xb0, 0x02, newVal);
       break;
 
     case "[Channel2]":
-        midi.sendShortMsg(0xB1, 0x02, newVal);
+      midi.sendShortMsg(0xb1, 0x02, newVal);
       break;
   }
 };
@@ -318,29 +358,38 @@ PioneerDDJFLX4.toggleFxLight = function(_value, _group, _control) {
 };
 
 PioneerDDJFLX4.focusedFxGroup = function () {
-    const focusedFx = engine.getValue("[EffectRack1_EffectUnit1]", "focused_effect");
+  const focusedFx = engine.getValue(
+    "[EffectRack1_EffectUnit1]",
+    "focused_effect"
+  );
   return "[EffectRack1_EffectUnit1_Effect" + focusedFx + "]";
 };
 
 PioneerDDJFLX4.beatFxLevelDepthRotate = function (_channel, _control, value) {
   if (PioneerDDJFLX4.shiftButtonDown[0] || PioneerDDJFLX4.shiftButtonDown[1]) {
     engine.softTakeoverIgnoreNextValue("[EffectRack1_EffectUnit1]", "mix");
-        engine.setParameter(PioneerDDJFLX4.focusedFxGroup(), "meta", value / 0x7F);
+    engine.setParameter(PioneerDDJFLX4.focusedFxGroup(), "meta", value / 0x7f);
   } else {
     engine.softTakeoverIgnoreNextValue(PioneerDDJFLX4.focusedFxGroup(), "meta");
-        engine.setParameter("[EffectRack1_EffectUnit1]", "mix", value / 0x7F);
+    engine.setParameter("[EffectRack1_EffectUnit1]", "mix", value / 0x7f);
   }
 };
 
 PioneerDDJFLX4.changeFocusedEffectBy = function (numberOfSteps) {
-    let focusedEffect = engine.getValue("[EffectRack1_EffectUnit1]", "focused_effect");
+  let focusedEffect = engine.getValue(
+    "[EffectRack1_EffectUnit1]",
+    "focused_effect"
+  );
 
   // Convert to zero-based index
   focusedEffect -= 1;
 
   // Standard Euclidean modulo by use of two plain modulos
   const numberOfEffectsPerEffectUnit = 3;
-    focusedEffect = (((focusedEffect + numberOfSteps) % numberOfEffectsPerEffectUnit) + numberOfEffectsPerEffectUnit) % numberOfEffectsPerEffectUnit;
+  focusedEffect =
+    (((focusedEffect + numberOfSteps) % numberOfEffectsPerEffectUnit) +
+      numberOfEffectsPerEffectUnit) %
+    numberOfEffectsPerEffectUnit;
 
   // Convert back to one-based index
   focusedEffect += 1;
@@ -349,38 +398,53 @@ PioneerDDJFLX4.changeFocusedEffectBy = function(numberOfSteps) {
 };
 
 PioneerDDJFLX4.beatFxSelectPressed = function (_channel, _control, value) {
-    if (value === 0) { return; }
+  if (value === 0) {
+    return;
+  }
 
   engine.setValue(PioneerDDJFLX4.focusedFxGroup(), "next_effect", value);
 };
 
 PioneerDDJFLX4.beatFxSelectShiftPressed = function (_channel, _control, value) {
-    if (value === 0) { return; }
+  if (value === 0) {
+    return;
+  }
 
   engine.setValue(PioneerDDJFLX4.focusedFxGroup(), "prev_effect", value);
 };
 
 PioneerDDJFLX4.beatFxLeftPressed = function (_channel, _control, value) {
-    if (value === 0) { return; }
+  if (value === 0) {
+    return;
+  }
 
   PioneerDDJFLX4.changeFocusedEffectBy(-1);
 };
 
 PioneerDDJFLX4.beatFxRightPressed = function (_channel, _control, value) {
-    if (value === 0) { return; }
+  if (value === 0) {
+    return;
+  }
 
   PioneerDDJFLX4.changeFocusedEffectBy(1);
 };
 
 PioneerDDJFLX4.beatFxOnOffPressed = function (_channel, _control, value) {
-    if (value === 0) { return; }
+  if (value === 0) {
+    return;
+  }
 
-    const toggleEnabled = !engine.getValue(PioneerDDJFLX4.focusedFxGroup(), "enabled");
+  const toggleEnabled = !engine.getValue(
+    PioneerDDJFLX4.focusedFxGroup(),
+    "enabled"
+  );
   engine.setValue(PioneerDDJFLX4.focusedFxGroup(), "enabled", toggleEnabled);
 };
 
 PioneerDDJFLX4.beatFxOnOffShiftPressed = function (_channel, _control, value) {
-    if (value === 0) { return; }
+  if (value === 0) {
+    return;
+  }
 
   engine.setParameter("[EffectRack1_EffectUnit1]", "mix", 0);
   engine.softTakeoverIgnoreNextValue("[EffectRack1_EffectUnit1]", "mix");
@@ -392,18 +456,34 @@ PioneerDDJFLX4.beatFxOnOffShiftPressed = function(_channel, _control, value) {
   PioneerDDJFLX4.toggleLight(PioneerDDJFLX4.lights.shiftBeatFx, false);
 };
 
-PioneerDDJFLX4.beatFxChannel1 = function(_channel, control, value, _status, group) {
+PioneerDDJFLX4.beatFxChannel1 = function (
+  _channel,
+  control,
+  value,
+  _status,
+  group
+) {
   let enableChannel = 0;
 
-    if (value === 0x7f) { enableChannel = 1; }
+  if (value === 0x7f) {
+    enableChannel = 1;
+  }
 
   engine.setValue(group, "group_[Channel1]_enable", enableChannel);
 };
 
-PioneerDDJFLX4.beatFxChannel2 = function(_channel, control, value, _status, group) {
+PioneerDDJFLX4.beatFxChannel2 = function (
+  _channel,
+  control,
+  value,
+  _status,
+  group
+) {
   let enableChannel = 0;
 
-    if (value === 0x7f) { enableChannel = 1; }
+  if (value === 0x7f) {
+    enableChannel = 1;
+  }
 
   engine.setValue(group, "group_[Channel2]_enable", enableChannel);
 };
@@ -412,7 +492,13 @@ PioneerDDJFLX4.beatFxChannel2 = function(_channel, control, value, _status, grou
 // Loop IN/OUT ADJUST
 //
 
-PioneerDDJFLX4.toggleLoopAdjustIn = function(channel, _control, value, _status, group) {
+PioneerDDJFLX4.toggleLoopAdjustIn = function (
+  channel,
+  _control,
+  value,
+  _status,
+  group
+) {
   if (value === 0 || engine.getValue(group, "loop_enabled" === 0)) {
     return;
   }
@@ -420,54 +506,64 @@ PioneerDDJFLX4.toggleLoopAdjustIn = function(channel, _control, value, _status,
   PioneerDDJFLX4.loopAdjustOut[channel] = false;
 };
 
-PioneerDDJFLX4.toggleLoopAdjustOut = function(channel, _control, value, _status, group) {
+PioneerDDJFLX4.toggleLoopAdjustOut = function (
+  channel,
+  _control,
+  value,
+  _status,
+  group
+) {
   if (value === 0 || engine.getValue(group, "loop_enabled" === 0)) {
     return;
   }
-    PioneerDDJFLX4.loopAdjustOut[channel] = !PioneerDDJFLX4.loopAdjustOut[channel];
+  PioneerDDJFLX4.loopAdjustOut[channel] =
+    !PioneerDDJFLX4.loopAdjustOut[channel];
   PioneerDDJFLX4.loopAdjustIn[channel] = false;
 };
 
 // Two signals are sent here so that the light stays lit/unlit in its shift state too
 PioneerDDJFLX4.setReloopLight = function (status, value) {
-    midi.sendShortMsg(status, 0x4D, value);
+  midi.sendShortMsg(status, 0x4d, value);
   midi.sendShortMsg(status, 0x50, value);
 };
 
-
 PioneerDDJFLX4.setLoopButtonLights = function (status, value) {
-    [0x10, 0x11, 0x4E, 0x4C].forEach(function(control) {
+  [0x10, 0x11, 0x4e, 0x4c].forEach(function (control) {
     midi.sendShortMsg(status, control, value);
   });
 };
 
-PioneerDDJFLX4.startLoopLightsBlink = function(channel, control, status, group) {
+PioneerDDJFLX4.startLoopLightsBlink = function (
-    let blink = 0x7F;
+  channel,
+  control,
+  status,
+  group
+) {
+  let blink = 0x7f;
 
   PioneerDDJFLX4.stopLoopLightsBlink(group, control, status);
 
   PioneerDDJFLX4.timers[group][control] = engine.beginTimer(500, () => {
-        blink = 0x7F - blink;
+    blink = 0x7f - blink;
 
     // When adjusting the loop out position, turn the loop in light off
     if (PioneerDDJFLX4.loopAdjustOut[channel]) {
       midi.sendShortMsg(status, 0x10, 0x00);
-            midi.sendShortMsg(status, 0x4C, 0x00);
+      midi.sendShortMsg(status, 0x4c, 0x00);
     } else {
       midi.sendShortMsg(status, 0x10, blink);
-            midi.sendShortMsg(status, 0x4C, blink);
+      midi.sendShortMsg(status, 0x4c, blink);
     }
 
     // When adjusting the loop in position, turn the loop out light off
     if (PioneerDDJFLX4.loopAdjustIn[channel]) {
       midi.sendShortMsg(status, 0x11, 0x00);
-            midi.sendShortMsg(status, 0x4E, 0x00);
+      midi.sendShortMsg(status, 0x4e, 0x00);
     } else {
       midi.sendShortMsg(status, 0x11, blink);
-            midi.sendShortMsg(status, 0x4E, blink);
+      midi.sendShortMsg(status, 0x4e, blink);
     }
   });
-
 };
 
 PioneerDDJFLX4.stopLoopLightsBlink = function (group, control, status) {
@@ -477,14 +573,14 @@ PioneerDDJFLX4.stopLoopLightsBlink = function(group, control, status) {
     engine.stopTimer(PioneerDDJFLX4.timers[group][control]);
   }
   PioneerDDJFLX4.timers[group][control] = undefined;
-    PioneerDDJFLX4.setLoopButtonLights(status, 0x7F);
+  PioneerDDJFLX4.setLoopButtonLights(status, 0x7f);
 };
 
 PioneerDDJFLX4.loopToggle = function (value, group, control) {
   const status = group === "[Channel1]" ? 0x90 : 0x91,
     channel = group === "[Channel1]" ? 0 : 1;
 
-    PioneerDDJFLX4.setReloopLight(status, value ? 0x7F : 0x00);
+  PioneerDDJFLX4.setReloopLight(status, value ? 0x7f : 0x00);
 
   if (value) {
     PioneerDDJFLX4.startLoopLightsBlink(channel, control, status, group);
@@ -499,13 +595,25 @@ PioneerDDJFLX4.loopToggle = function(value, group, control) {
 // CUE/LOOP CALL
 //
 
-PioneerDDJFLX4.cueLoopCallLeft = function(_channel, _control, value, _status, group) {
+PioneerDDJFLX4.cueLoopCallLeft = function (
+  _channel,
+  _control,
+  value,
+  _status,
+  group
+) {
   if (value) {
     engine.setValue(group, "loop_scale", 0.5);
   }
 };
 
-PioneerDDJFLX4.cueLoopCallRight = function(_channel, _control, value, _status, group) {
+PioneerDDJFLX4.cueLoopCallRight = function (
+  _channel,
+  _control,
+  value,
+  _status,
+  group
+) {
   if (value) {
     engine.setValue(group, "loop_scale", 2.0);
   }
@@ -526,14 +634,28 @@ PioneerDDJFLX4.syncPressed = function(channel, control, value, status, group) {
   }
 };
 
-PioneerDDJFLX4.syncLongPressed = function(channel, control, value, status, group) {
+PioneerDDJFLX4.syncLongPressed = function (
+  channel,
+  control,
+  value,
+  status,
+  group
+) {
   if (value) {
     engine.setValue(group, "sync_enabled", 1);
   }
 };
 
-PioneerDDJFLX4.cycleTempoRange = function(_channel, _control, value, _status, group) {
+PioneerDDJFLX4.cycleTempoRange = function (
-    if (value === 0) { return; } // ignore release
+  _channel,
+  _control,
+  value,
+  _status,
+  group
+) {
+  if (value === 0) {
+    return;
+  } // ignore release
 
   const currRange = engine.getValue(group, "rateRange");
   let idx = 0;
@@ -562,12 +684,16 @@ PioneerDDJFLX4.jogTurn = function(channel, _control, value, _status, group) {
   const loopEnabled = engine.getValue(group, "loop_enabled");
   if (loopEnabled > 0) {
     if (PioneerDDJFLX4.loopAdjustIn[channel]) {
-            newVal = newVal * PioneerDDJFLX4.loopAdjustMultiply + engine.getValue(group, "loop_start_position");
+      newVal =
+        newVal * PioneerDDJFLX4.loopAdjustMultiply +
+        engine.getValue(group, "loop_start_position");
       engine.setValue(group, "loop_start_position", newVal);
       return;
     }
     if (PioneerDDJFLX4.loopAdjustOut[channel]) {
-            newVal = newVal * PioneerDDJFLX4.loopAdjustMultiply + engine.getValue(group, "loop_end_position");
+      newVal =
+        newVal * PioneerDDJFLX4.loopAdjustMultiply +
+        engine.getValue(group, "loop_end_position");
       engine.setValue(group, "loop_end_position", newVal);
       return;
     }
@@ -575,13 +701,19 @@ PioneerDDJFLX4.jogTurn = function(channel, _control, value, _status, group) {
 
   if (engine.isScratching(deckNum)) {
     engine.scratchTick(deckNum, newVal);
-    } else { // fallback
+  } else {
+    // fallback
     engine.setValue(group, "jog", newVal * this.bendScale);
   }
 };
 
-
+PioneerDDJFLX4.jogSearch = function (
-PioneerDDJFLX4.jogSearch = function(_channel, _control, value, _status, group) {
+  _channel,
+  _control,
+  value,
+  _status,
+  group
+) {
   const newVal = (value - 64) * PioneerDDJFLX4.fastSeekScale;
   engine.setValue(group, "jog", newVal);
 };
@@ -590,7 +722,10 @@ PioneerDDJFLX4.jogTouch = function(channel, _control, value) {
   const deckNum = channel + 1;
 
   // skip while adjusting the loop points
-    if (PioneerDDJFLX4.loopAdjustIn[channel] || PioneerDDJFLX4.loopAdjustOut[channel]) {
+  if (
+    PioneerDDJFLX4.loopAdjustIn[channel] ||
+    PioneerDDJFLX4.loopAdjustOut[channel]
+  ) {
     return;
   }
 
@@ -605,11 +740,16 @@ PioneerDDJFLX4.jogTouch = function(channel, _control, value) {
 // Shift button
 //
 
-PioneerDDJFLX4.shiftPressed = function(channel, _control, value, _status, _group) {
+PioneerDDJFLX4.shiftPressed = function (
-    PioneerDDJFLX4.shiftButtonDown[channel] = value === 0x7F;
+  channel,
+  _control,
+  value,
+  _status,
+  _group
+) {
+  PioneerDDJFLX4.shiftButtonDown[channel] = value === 0x7f;
 };
 
-
 //
 // Tempo sliders
 //
@@ -618,18 +758,26 @@ PioneerDDJFLX4.shiftPressed = function(channel, _control, value, _status, _group
 // UI and the control sliders always move in the same direction.
 //
 
-PioneerDDJFLX4.tempoSliderMSB = function(channel, control, value, status, group) {
+PioneerDDJFLX4.tempoSliderMSB = function (
+  channel,
+  control,
+  value,
+  status,
+  group
+) {
   PioneerDDJFLX4.highResMSB[group].tempoSlider = value;
 };
 
-PioneerDDJFLX4.tempoSliderLSB = function(channel, control, value, status, group) {
+PioneerDDJFLX4.tempoSliderLSB = function (
+  channel,
+  control,
+  value,
+  status,
+  group
+) {
   const fullValue = (PioneerDDJFLX4.highResMSB[group].tempoSlider << 7) + value;
 
-    engine.setValue(
+  engine.setValue(group, "rate", 1 - fullValue / 0x2000);
-        group,
-        "rate",
-        1 - (fullValue / 0x2000)
-    );
 };
 
 //
@@ -640,39 +788,79 @@ PioneerDDJFLX4.tempoSliderLSB = function(channel, control, value, status, group)
 // allow further increasing/decreasing of all the values.
 //
 
-PioneerDDJFLX4.beatjumpPadPressed = function(_channel, control, value, _status, group) {
+PioneerDDJFLX4.beatjumpPadPressed = function (
+  _channel,
+  control,
+  value,
+  _status,
+  group
+) {
   if (value === 0) {
     return;
   }
-    engine.setValue(group, "beatjump_size", Math.abs(PioneerDDJFLX4.beatjumpSizeForPad[control]));
+  engine.setValue(
-    engine.setValue(group, "beatjump", PioneerDDJFLX4.beatjumpSizeForPad[control]);
+    group,
+    "beatjump_size",
+    Math.abs(PioneerDDJFLX4.beatjumpSizeForPad[control])
+  );
+  engine.setValue(
+    group,
+    "beatjump",
+    PioneerDDJFLX4.beatjumpSizeForPad[control]
+  );
 };
 
-PioneerDDJFLX4.increaseBeatjumpSizes = function(_channel, control, value, _status, group) {
+PioneerDDJFLX4.increaseBeatjumpSizes = function (
+  _channel,
+  control,
+  value,
+  _status,
+  group
+) {
   if (value === 0 || PioneerDDJFLX4.beatjumpSizeForPad[0x21] * 16 > 16) {
     return;
   }
   Object.keys(PioneerDDJFLX4.beatjumpSizeForPad).forEach(function (pad) {
-        PioneerDDJFLX4.beatjumpSizeForPad[pad] = PioneerDDJFLX4.beatjumpSizeForPad[pad] * 16;
+    PioneerDDJFLX4.beatjumpSizeForPad[pad] =
+      PioneerDDJFLX4.beatjumpSizeForPad[pad] * 16;
   });
-    engine.setValue(group, "beatjump_size", PioneerDDJFLX4.beatjumpSizeForPad[0x21]);
+  engine.setValue(
+    group,
+    "beatjump_size",
+    PioneerDDJFLX4.beatjumpSizeForPad[0x21]
+  );
 };
 
-PioneerDDJFLX4.decreaseBeatjumpSizes = function(_channel, control, value, _status, group) {
+PioneerDDJFLX4.decreaseBeatjumpSizes = function (
+  _channel,
+  control,
+  value,
+  _status,
+  group
+) {
   if (value === 0 || PioneerDDJFLX4.beatjumpSizeForPad[0x21] / 16 < 1 / 16) {
     return;
   }
   Object.keys(PioneerDDJFLX4.beatjumpSizeForPad).forEach(function (pad) {
-        PioneerDDJFLX4.beatjumpSizeForPad[pad] = PioneerDDJFLX4.beatjumpSizeForPad[pad] / 16;
+    PioneerDDJFLX4.beatjumpSizeForPad[pad] =
+      PioneerDDJFLX4.beatjumpSizeForPad[pad] / 16;
   });
-    engine.setValue(group, "beatjump_size", PioneerDDJFLX4.beatjumpSizeForPad[0x21]);
+  engine.setValue(
+    group,
+    "beatjump_size",
+    PioneerDDJFLX4.beatjumpSizeForPad[0x21]
+  );
 };
 
 //
 // Sampler mode
 //
 
-PioneerDDJFLX4.samplerPlayOutputCallbackFunction = function(value, group, _control) {
+PioneerDDJFLX4.samplerPlayOutputCallbackFunction = function (
+  value,
+  group,
+  _control
+) {
   if (value === 1) {
     const curPad = group.match(script.samplerRegEx)[1];
     let deckIndex = 0;
@@ -692,36 +880,48 @@ PioneerDDJFLX4.samplerPlayOutputCallbackFunction = function(value, group, _contr
       padIndex = curPad - 9;
     }
 
-        PioneerDDJFLX4.startSamplerBlink(
+    PioneerDDJFLX4.startSamplerBlink(0x97 + deckIndex, 0x30 + padIndex, group);
-            0x97 + deckIndex,
-            0x30 + padIndex,
-            group);
   }
 };
 
-PioneerDDJFLX4.padModeKeyPressed = function(_channel, _control, value, _status, _group) {
+PioneerDDJFLX4.padModeKeyPressed = function (
-    const deck = (_status === 0x90 ? PioneerDDJFLX4.lights.deck1 : PioneerDDJFLX4.lights.deck2);
+  _channel,
+  _control,
+  value,
+  _status,
+  _group
+) {
+  const deck =
+    _status === 0x90
+      ? PioneerDDJFLX4.lights.deck1
+      : PioneerDDJFLX4.lights.deck2;
 
-    if (_control === 0x1B) {
+  if (_control === 0x1b) {
     PioneerDDJFLX4.toggleLight(deck.hotcueMode, true);
   } else if (_control === 0x69) {
     PioneerDDJFLX4.toggleLight(deck.keyboardMode, true);
-    } else if (_control === 0x1E) {
+  } else if (_control === 0x1e) {
     PioneerDDJFLX4.toggleLight(deck.padFX1Mode, true);
-    } else if (_control === 0x6B) {
+  } else if (_control === 0x6b) {
     PioneerDDJFLX4.toggleLight(deck.padFX2Mode, true);
   } else if (_control === 0x20) {
     PioneerDDJFLX4.toggleLight(deck.beatJumpMode, true);
-    } else if (_control === 0x6D) {
+  } else if (_control === 0x6d) {
     PioneerDDJFLX4.toggleLight(deck.beatLoopMode, true);
   } else if (_control === 0x22) {
     PioneerDDJFLX4.toggleLight(deck.samplerMode, true);
-    } else if (_control === 0x6F) {
+  } else if (_control === 0x6f) {
     PioneerDDJFLX4.toggleLight(deck.keyShiftMode, true);
   }
 };
 
-PioneerDDJFLX4.samplerPadPressed = function(_channel, _control, value, _status, group) {
+PioneerDDJFLX4.samplerPadPressed = function (
+  _channel,
+  _control,
+  value,
+  _status,
+  group
+) {
   if (engine.getValue(group, "track_loaded")) {
     engine.setValue(group, "cue_gotoandplay", value);
   } else {
@@ -729,7 +929,13 @@ PioneerDDJFLX4.samplerPadPressed = function(_channel, _control, value, _status,
   }
 };
 
-PioneerDDJFLX4.samplerPadShiftPressed = function(_channel, _control, value, _status, group) {
+PioneerDDJFLX4.samplerPadShiftPressed = function (
+  _channel,
+  _control,
+  value,
+  _status,
+  group
+) {
   if (engine.getValue(group, "play")) {
     engine.setValue(group, "cue_gotoandstop", value);
   } else if (engine.getValue(group, "track_loaded")) {
@@ -747,7 +953,7 @@ PioneerDDJFLX4.startSamplerBlink = function(channel, control, group) {
     // blink the appropriate pad
     midi.sendShortMsg(channel, control, val);
     // also blink the pad while SHIFT is pressed
-        midi.sendShortMsg((channel+1), control, val);
+    midi.sendShortMsg(channel + 1, control, val);
 
     const isPlaying = engine.getValue(group, "play") === 1;
 
@@ -757,7 +963,7 @@ PioneerDDJFLX4.startSamplerBlink = function(channel, control, group) {
       // set the pad LED to ON
       midi.sendShortMsg(channel, control, 0x7f);
       // set the pad LED to ON while SHIFT is pressed
-            midi.sendShortMsg((channel+1), control, 0x7f);
+      midi.sendShortMsg(channel + 1, control, 0x7f);
     }
   });
 };
@@ -771,20 +977,37 @@ PioneerDDJFLX4.stopSamplerBlink = function(channel, control) {
   }
 };
 
-
+PioneerDDJFLX4.toggleQuantize = function (
-PioneerDDJFLX4.toggleQuantize = function(_channel, _control, value, _status, group) {
+  _channel,
+  _control,
+  value,
+  _status,
+  group
+) {
   if (value) {
     script.toggleControl(group, "quantize");
   }
 };
 
-PioneerDDJFLX4.quickJumpForward = function(_channel, _control, value, _status, group) {
+PioneerDDJFLX4.quickJumpForward = function (
+  _channel,
+  _control,
+  value,
+  _status,
+  group
+) {
   if (value) {
     engine.setValue(group, "beatjump", PioneerDDJFLX4.quickJumpSize);
   }
 };
 
-PioneerDDJFLX4.quickJumpBack = function(_channel, _control, value, _status, group) {
+PioneerDDJFLX4.quickJumpBack = function (
+  _channel,
+  _control,
+  value,
+  _status,
+  group
+) {
   if (value) {
     engine.setValue(group, "beatjump", -PioneerDDJFLX4.quickJumpSize);
   }
@@ -805,14 +1028,14 @@ PioneerDDJFLX4.shutdown = function() {
     midi.sendShortMsg(0x97, 0x30 + i, 0x00); // Deck 1 pads
     midi.sendShortMsg(0x98, 0x30 + i, 0x00); // Deck 1 pads with SHIFT
     midi.sendShortMsg(0x99, 0x30 + i, 0x00); // Deck 2 pads
-        midi.sendShortMsg(0x9A, 0x30 + i, 0x00);    // Deck 2 pads with SHIFT
+    midi.sendShortMsg(0x9a, 0x30 + i, 0x00); // Deck 2 pads with SHIFT
   }
   // turn off all Hotcue LEDs
   for (i = 0; i <= 7; ++i) {
     midi.sendShortMsg(0x97, 0x00 + i, 0x00); // Deck 1 pads
     midi.sendShortMsg(0x98, 0x00 + i, 0x00); // Deck 1 pads with SHIFT
     midi.sendShortMsg(0x99, 0x00 + i, 0x00); // Deck 2 pads
-        midi.sendShortMsg(0x9A, 0x00 + i, 0x00);    // Deck 2 pads with SHIFT
+    midi.sendShortMsg(0x9a, 0x00 + i, 0x00); // Deck 2 pads with SHIFT
   }
 
   // turn off loop in and out lights