feat(2022-day-01): exposes calorie-based elf sorting

developher-net · developher-net · commit ebb9f3489912 · 2022-12-01T22:18:58.000-08:00
diff --git a/2022/day-01/calories.js b/2022/day-01/calories.js
@@ -17,6 +17,10 @@ const parseCalorieData = (data) => {
 }
 
 const findElfWithMost = (data) => {
+  return sortElvesByCalories(data)[0] // Sort for the elf with the most calories
+}
+
+const sortElvesByCalories = (data) => {
   const sum = (a, b) => { return a + b }
   const compare = (a, b) => {
     // compare sums of array values for sum-based sorting
@@ -27,10 +31,11 @@ const findElfWithMost = (data) => {
     )
   }
   data.sort(compare)
-  return data[0] // Sort for the elf with the most calories
+  return data
 }
 
 module.exports = {
   findElfWithMost,
-  parseCalorieData
+  parseCalorieData,
+  sortElvesByCalories
 }
diff --git a/2022/day-01/calories.test.js b/2022/day-01/calories.test.js
@@ -1,6 +1,6 @@
 /* eslint-env mocha */
 const { expect } = require('chai')
-const { findElfWithMost, parseCalorieData } = require('./calories')
+const { findElfWithMost, parseCalorieData, sortElvesByCalories } = require('./calories')
 
 const calorieData = `1000
 2000
@@ -39,5 +39,17 @@ describe('--- Day 1: Calorie Counting ---', () => {
           .to.equal(24000)
       })
     })
+    describe('sortElvesByCalories()', () => {
+      it('Sorts the list of elves by calories carried, maximum first', () => {
+        expect(sortElvesByCalories(parsedCalorieData))
+          .to.deep.equal([
+            [7000, 8000, 9000],
+            [5000, 6000],
+            [10000],
+            [1000, 2000, 3000],
+            [4000]
+          ])
+      })
+    })
   })
 })

Original file line number	Diff line number	Diff line change
`@@ -17,6 +17,10 @@ const parseCalorieData = (data) => {`
`17`	`17`	`}`
`18`	`18`
`19`	`19`	`const findElfWithMost = (data) => {`
	`20`	`+ return sortElvesByCalories(data)[0] // Sort for the elf with the most calories`
	`21`	`+}`
	`22`	`+`
	`23`	`+const sortElvesByCalories = (data) => {`
`20`	`24`	`const sum = (a, b) => { return a + b }`
`21`	`25`	`const compare = (a, b) => {`
`22`	`26`	`// compare sums of array values for sum-based sorting`
`@@ -27,10 +31,11 @@ const findElfWithMost = (data) => {`
`27`	`31`	`)`
`28`	`32`	`}`
`29`	`33`	`data.sort(compare)`
`30`		`- return data[0] // Sort for the elf with the most calories`
	`34`	`+ return data`
`31`	`35`	`}`
`32`	`36`
`33`	`37`	`module.exports = {`
`34`	`38`	`findElfWithMost,`
`35`		`- parseCalorieData`
	`39`	`+ parseCalorieData,`
	`40`	`+ sortElvesByCalories`
`36`	`41`	`}`