more linting, lots of undefined vars or unused vars

src/components/beat-loader.js

@@ -161,7 +161,6 @@ AFRAME.registerComponent('beat-loader', {
     return function (noteInfo) {
       var beatEl;
       var color;
-      var orientation;
       var type = noteInfo._cutDirection === 8 ? 'dot' : 'arrow';
 
       color = noteInfo._type === 0 ? 'red' : 'blue';
@@ -191,9 +190,10 @@ AFRAME.registerComponent('beat-loader', {
   generateWall: function (wallInfo) {
     var el = this.el.sceneEl.components.pool__wall.requestEntity();
     var speed = this.data.beatSpeed;
-    var durationMs;
+
     if (!el) { return; }
-    durationSeconds = 60 * (wallInfo._duration / this.bpm);
+
+    const durationSeconds = 60 * (wallInfo._duration / this.bpm);
     el.setAttribute('wall', 'speed', speed);
     el.object3D.position.set(
       this.horizontalPositions[wallInfo._lineIndex],

src/components/beat.js

@@ -128,8 +128,6 @@ AFRAME.registerComponent('beat', {
 
   initColliders: function () {
     var data = this.data;
-    var i;
-    var size;
     var hitColliderConfiguration = {
       position: {x: 0, y: data.size / 2, z: 0},
       size: {width: data.size, height: data.size / 5.0, depth: data.size}
@@ -251,13 +249,9 @@ AFRAME.registerComponent('beat', {
       var coplanarPoint;
       var cutThickness = this.cutThickness = 0.02;
       var direction = this.cutDirection;
-      var focalPoint;
-      var i;
       var leftBorderInnerPlane = this.leftBorderInnerPlane;
       var leftBorderOuterPlane = this.leftBorderOuterPlane;
       var leftCutPlane = this.leftCutPlane;
-      var parallelPlane2;
-      var parallelPlane;
       var planeGeometry;
       var planeMesh;
       var rightBorderInnerPlane = this.rightBorderInnerPlane;
@@ -307,7 +301,7 @@ AFRAME.registerComponent('beat', {
         planeGeometry.lookAt(rightBorderOuterPlane.normal);
         planeGeometry.translate(coplanarPoint.x, coplanarPoint.y, coplanarPoint.z);
 
-        parallelPlaneMesh = new THREE.Mesh(planeGeometry, parallelPlaneMaterial);
+        const parallelPlaneMesh = new THREE.Mesh(planeGeometry, parallelPlaneMaterial);
         this.el.sceneEl.setObject3D('planeParallel', parallelPlaneMesh);
       }
 

src/components/cursor-mesh.js

@@ -19,11 +19,8 @@ AFRAME.registerComponent('cursor-mesh', {
     var cursor;
     var cursorEl = this.data.cursorEl;
     var el = this.el;
-    var i;
     var intersection;
     var intersectedEl;
-    var intersectionPoint;
-    var object3D = this.el.object3D;
     var scenePivotEl = this.scenePivotEl;
 
     if (!this.data.active) { return; }

src/components/materials.js

@@ -13,6 +13,8 @@ AFRAME.registerComponent('materials', {
   },
 
   update: function () {
-    this.el.object3D.traverse(o => o.material = this.system[this.data]);
+    this.el.object3D.traverse(o => {
+      o.material = this.system[this.data]
+    });
   }
 });

src/components/menu-controls.js

@@ -15,7 +15,6 @@ AFRAME.registerComponent('menu-controls', {
   },
 
   init: function () {
-    const data = this.data;
     const el = this.el;
 
     results = document.getElementById('searchResultList').children;

src/components/search-thumbnail-atlas.js

@@ -44,7 +44,6 @@ AFRAME.registerComponent('search-thumbnail-atlas', {
 
   update: function () {
     var el = this.el;
-    var data = this.data;
 
     const results = el.sceneEl.systems.state.state.searchResultsPage;
     for (let i = 0; i < results.length; i++) {

src/components/search.js

@@ -36,6 +36,7 @@ AFRAME.registerComponent('search', {
     this.queryObject.query = query;
     algolia.search(this.queryObject, (err, content) => {
       // Cache popular hits.
+      if (err) { console.error(err); }
       if (!query) { this.popularHits = content.hits; }
       this.eventDetail.results = content.hits;
       this.el.sceneEl.emit('searchresults', this.eventDetail);

src/components/song-preview.js

@@ -218,7 +218,7 @@ AFRAME.registerComponent('song-preview-system', {
       }
     }
     if (!index) { return; }
-    this.preloadQueue.splice(i, 1);
+    this.preloadQueue.splice(index, 1);
   }
 });
 

src/components/song.js

@@ -32,8 +32,6 @@ AFRAME.registerComponent('song', {
   },
 
   update: function (oldData) {
-    var audio = this.audio;
-    var el = this.el;
     var data = this.data;
 
     // Game over, slow down audio, and then stop.

src/components/trail.js

@@ -7,7 +7,6 @@ AFRAME.registerComponent('trail', {
 
   init: function () {
     var geometry = this.geometry = new THREE.BufferGeometry();
-    var steps = 10;
     var maxPoints = this.maxPoints = 12;
     var vertices = this.vertices = new Float32Array(36 * maxPoints);
     var colors = this.colors = new Float32Array(48 * maxPoints);
@@ -81,18 +80,15 @@ AFRAME.registerComponent('trail', {
     var segments = this.segments;
     var dx = 2 / segments;
     var colors = this.colors;
-    var bottomLayer;
     var vertices = this.vertices;
-    var uvs = this.uvs;
-    var indexOffset;
     var color = this.bladeColor;
 
     if (this.layers >= this.maxLayers) { this.layers = 0; }
 
-    bottomLayer = this.layers * length;
+    const bottomLayer = this.layers * length;
     length = bottomLayer + length;
-    indexOffset = this.layers * segments * 18;
-    colorOffset = this.layers * segments * 24;
+    const indexOffset = this.layers * segments * 18;
+    const colorOffset = this.layers * segments * 24;
 
     for (var i = 0; i < segments; ++i) {
       vertices[indexOffset + 18 * i] = startX + i * dx;

src/lib/soundpool.js

@@ -1,6 +1,6 @@
+/* global Audio */
 module.exports = function SoundPool (src, volume) {
   var currSound = 0;
-  var i;
   var pool = [];
   var sound;
 

src/state/index.js

@@ -1,7 +1,7 @@
+/* global localStorage */
 var utils = require('../utils');
 
 const challengeDataStore = {};
-const hasInitialChallenge = !!AFRAME.utils.getUrlParameter('challenge');
 const SEARCH_PER_PAGE = 6;
 const SONG_NAME_TRUNCATE = 24;
 const SONG_SUB_NAME_TRUNCATE = 32;
@@ -142,7 +142,7 @@ AFRAME.registerState({
       computeMenuSelectedChallengeIndex(state);
     },
 
-    menuchallengeunselect: () => {
+    menuchallengeunselect: state => {
       state.menuSelectedChallenge.id = '';
     },
 
@@ -286,7 +286,7 @@ function computeSearchPagination (state) {
       truncate(state.search.results[i].songSubName, SONG_SUB_NAME_TRUNCATE) + '\n';
   }
 
-  for (i = 0; i < state.searchResultsPage.length; i++) {
+  for (let i = 0; i < state.searchResultsPage.length; i++) {
     state.searchResultsPage[i].index = i;
   }