style: adopt standard v16 ruleset

Author: developher-net

2018/day-03/claims.js

@@ -1,8 +1,8 @@
 const unique = require('../helpers').unique
 
-var _conflicts = []
-var _claims = []
-var _cloth = []
+let _conflicts = []
+let _claims = []
+let _cloth = []
 
 /**
  * Generates an empty matrix of X columns and Y rows

2018/day-03/claims.test.js

@@ -1,6 +1,6 @@
 /* eslint-env mocha */
 const expect = require('chai').expect
-var {
+const {
   _cloth,
   countConflicts,
   findNonOverlappingClaims,

2018/day-10/beacons.js

@@ -30,7 +30,7 @@ class Beacon {
     const data = {}
     // Calculate the position of all the beacons
     data.contents = this.start.map((beacon) => {
-      var point = {}
+      const point = {}
       Object.keys(beacon.position).forEach((key) => {
         point[key] = beacon.position[key] + (frame * beacon.velocity[key])
       })

2018/day-10/solution.js

@@ -19,11 +19,13 @@ const init = (data) => {
 
   // Find the frame with the best focus
   const best = beaconTracker.frameMeta.reduce((acc, curr, idx) => {
-    return (curr.focus < acc.focus) ? {
-      idx: idx,
-      focus: curr.focus,
-      dims: curr.dims
-    } : acc
+    return (curr.focus < acc.focus)
+      ? {
+          idx: idx,
+          focus: curr.focus,
+          dims: curr.dims
+        }
+      : acc
   }, { idx: 0, focus: beaconTracker.frameMeta[0].focus, dims: { dim: [0, 0], origin: [0, 0] } })
 
   // const answer = sumMetadata(data)

2018/day-11/fuel-cells.js

@@ -79,9 +79,6 @@ class Rack {
           return null // break for speed on invalid squares
         }
         const dest = this.cells[pointer]
-        if (!dest) {
-
-        }
         power += (dest) ? dest.power : 0
       }
     }

2018/day-13/tracks.js

@@ -59,7 +59,9 @@ class Track {
       (this.trackTurns.indexOf(s) === 0 && a === 'x') // horizontal turns clockwise
       // (this.trackTurns.indexOf(s) === 0 && a === 'x') // horizontal turns counter-clockwise
       // (this.trackTurns.indexOf(s) === 1 && a === 'y') // vertical turns counter-clockwise
-    ) ? 1 : -1
+    )
+      ? 1
+      : -1
     // Find the value of the new direction
     return this.cartDirections[this._roationDirection(d, r)]
   }