#49 : Code cleanup

src/actions/pausable/pausable.js

@@ -1,4 +1,7 @@
-import { createDispatcher, getIsTouchable } from '../../utils/event'
+import {
+  createDispatcher,
+  getIsTouchable,
+} from '../../utils/event'
 
 import { focusable } from '../focusable'
 import { tappable } from '../tappable'

src/actions/swipeable/swipeable.js

@@ -37,7 +37,7 @@ export function swipeable(node, { thresholdProvider }) {
     return swipeDurationMs >= SWIPE_MIN_DURATION_MS && Math.abs(moved) >= SWIPE_MIN_DISTANCE_PX
   }
 
-  function handleMousedown(event) {
+  function handleDown(event) {
     swipeStartedAt = Date.now()
     moved = 0
     isTouching = true
@@ -45,11 +45,11 @@ export function swipeable(node, { thresholdProvider }) {
     x = coords.x
     y = coords.y
     dispatch('swipeStart', { x, y })
-    addMoveEventListener(window, handleMousemove)
+    addMoveEventListener(window, handleMove)
-    addEndEventListener(window, handleMouseup)
+    addEndEventListener(window, handleUp)
   }
 
-  function handleMousemove(event) {
+  function handleMove(event) {
     if (!isTouching) return
     const coords = getCoords(event)
     const dx = coords.x - x
@@ -64,14 +64,14 @@ export function swipeable(node, { thresholdProvider }) {
     moved += dx
     if (Math.abs(moved) > thresholdProvider()) {
       dispatch('swipeThresholdReached', { direction: moved > 0 ? PREV : NEXT })
-      removeEndEventListener(window, handleMouseup)
+      removeEndEventListener(window, handleUp)
-      removeMoveEventListener(window, handleMousemove)
+      removeMoveEventListener(window, handleMove)
     }
   }
 
-  function handleMouseup(event) {
+  function handleUp(event) {
-    removeEndEventListener(window, handleMouseup)
+    removeEndEventListener(window, handleUp)
-    removeMoveEventListener(window, handleMousemove)
+    removeMoveEventListener(window, handleMove)
 
     isTouching = false
 
@@ -83,10 +83,10 @@ export function swipeable(node, { thresholdProvider }) {
     dispatch('swipeEnd', { x: coords.x, y: coords.y })
   }
 
-  addStartEventListener(node, handleMousedown)
+  addStartEventListener(node, handleDown)
   return {
     destroy() {
-      removeStartEventListener(node, handleMousedown)
+      removeStartEventListener(node, handleDown)
     },
   }
 }

src/utils/math.js

@@ -1,6 +1,6 @@
 export const getDistance = (p1, p2) => {
-  const x = p2.x - p1.x;
+  const xDist = p2.x - p1.x;
-  const y = p2.y - p1.y;
+  const yDist = p2.y - p1.y;
 
-  return Math.sqrt((x * x) + (y * y));
+  return Math.sqrt((xDist * xDist) + (yDist * yDist));
 }