From b880e675c0ed55a94baa850aac4eac3749114855 Mon Sep 17 00:00:00 2001
From: Anthony McLin <git@anthonymclin.com>
Date: Thu, 1 Dec 2022 19:32:49 -0800
Subject: [PATCH 1/6] feat(2022-day-01): parse and sort elves by calories
 carried

---
 2022/day-01/calories.js      | 36 ++++++++++++++++++++++++++++++
 2022/day-01/calories.test.js | 43 ++++++++++++++++++++++++++++++++++++
 2022/day-01/index.js         |  3 +++
 2022/day-01/input.txt        |  0
 2022/day-01/solution.js      | 35 +++++++++++++++++++++++++++++
 package.json                 |  6 ++++-
 6 files changed, 122 insertions(+), 1 deletion(-)
 create mode 100644 2022/day-01/calories.js
 create mode 100644 2022/day-01/calories.test.js
 create mode 100644 2022/day-01/index.js
 create mode 100644 2022/day-01/input.txt
 create mode 100644 2022/day-01/solution.js

diff --git a/2022/day-01/calories.js b/2022/day-01/calories.js
new file mode 100644
index 0000000..1854da9
--- /dev/null
+++ b/2022/day-01/calories.js
@@ -0,0 +1,36 @@
+/**
+ * Takes the provided list of items and breaks
+ * it up into the list of individual elves with
+ * the items they carry
+ * @param {string} data List of items split by lines
+ * @returns array List of elves' payloads
+ */
+const parseCalorieData = (data) => {
+  const pattern = /\r?\n/g
+  let results = data.replace(pattern, ',') // switch to commas to avoid OS newline character discrepancies
+  results = results.split(',,') // double commas indicate where one elf stops and the next starts
+  const parseElf = (elfData) => {
+    return elfData.split(',') // each elf can carry a varying number of items
+      .map((cal) => parseInt(cal)) // make sure we're working with numbers
+  }
+  return results.map(parseElf)
+}
+
+const findElfWithMost = (data) => {
+  const sum = (a, b) => { return a + b }
+  const compare = (a, b) => {
+    // compare sums of array values for sum-based sorting
+    return b.reduce(
+      sum, 0
+    ) - a.reduce(
+      sum, 0
+    )
+  }
+  data.sort(compare)
+  return data[0] // Sort for the elf with the most calories
+}
+
+module.exports = {
+  findElfWithMost,
+  parseCalorieData
+}
diff --git a/2022/day-01/calories.test.js b/2022/day-01/calories.test.js
new file mode 100644
index 0000000..cee5d6c
--- /dev/null
+++ b/2022/day-01/calories.test.js
@@ -0,0 +1,43 @@
+/* eslint-env mocha */
+const { expect } = require('chai')
+const { findElfWithMost, parseCalorieData } = require('./calories')
+
+const calorieData = `1000
+2000
+3000
+
+4000
+
+5000
+6000
+
+7000
+8000
+9000
+
+10000`
+const parsedCalorieData = [
+  [1000, 2000, 3000],
+  [4000],
+  [5000, 6000],
+  [7000, 8000, 9000],
+  [10000]
+]
+
+describe('--- Day 1: Calorie Counting ---', () => {
+  describe('Part 1', () => {
+    describe('parseCalorieData', () => {
+      it('Splits data into a list of elves with provisions', () => {
+        expect(parseCalorieData(calorieData))
+          .to.deep.equal(parsedCalorieData)
+      })
+    })
+    describe('findElfWithMost()', () => {
+      it('Identifies the elf with the most total calories', () => {
+        expect(findElfWithMost(parsedCalorieData)
+          .reduce((a, b) => a + b))
+          .to.equal(24000)
+      })
+    })
+  })
+})
diff --git a/2022/day-01/index.js b/2022/day-01/index.js
new file mode 100644
index 0000000..af7e035
--- /dev/null
+++ b/2022/day-01/index.js
@@ -0,0 +1,3 @@
+// eslint-disable-next-line no-unused-vars
+const console = require('../helpers')
+require('./solution')
diff --git a/2022/day-01/input.txt b/2022/day-01/input.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2022/day-01/solution.js b/2022/day-01/solution.js
new file mode 100644
index 0000000..779f7ea
--- /dev/null
+++ b/2022/day-01/solution.js
@@ -0,0 +1,35 @@
+const fs = require('fs')
+const path = require('path')
+const filePath = path.join(__dirname, 'input.txt')
+const { inputToArray } = require('../../2018/inputParser')
+
+fs.readFile(filePath, { encoding: 'utf8' }, (err, initData) => {
+  if (err) throw err
+
+  initData = inputToArray(initData.trim())
+
+  const resetInput = () => {
+    // Deep copy to ensure we aren't mutating the original data
+    return JSON.parse(JSON.stringify(initData))
+  }
+
+  const part1 = () => {
+    const data = resetInput()
+    console.debug(data)
+    return 'No answer yet'
+  }
+
+  const part2 = () => {
+    const data = resetInput()
+    console.debug(data)
+    return 'No answer yet'
+  }
+  const answers = []
+  answers.push(part1())
+  answers.push(part2())
+
+  answers.forEach((ans, idx) => {
+    console.info(`-- Part ${idx + 1} --`)
+    console.info(`Answer: ${ans}`)
+  })
+})
diff --git a/package.json b/package.json
index 830c40d..a3cb898 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,11 @@
   },
   "keywords": [
     "advent-of-code",
-    "advent-of-code-2018"
+    "advent-of-code-2018",
+    "advent-of-code-2019",
+    "advent-of-code-2020",
+    "advent-of-code-2021",
+    "advent-of-code-2022"
   ],
   "author": "Anthony McLin",
   "license": "MIT",

From 6a422872aba0071b7688f3f37c04e46db2442995 Mon Sep 17 00:00:00 2001
From: Anthony McLin <git@anthonymclin.com>
Date: Thu, 1 Dec 2022 19:33:54 -0800
Subject: [PATCH 2/6] feat(2022-day-01): solution to day 1 part 1

---
 2022/day-01/input.txt   | 2249 +++++++++++++++++++++++++++++++++++++++
 2022/day-01/solution.js |    9 +-
 index.js                |    2 +-
 3 files changed, 2255 insertions(+), 5 deletions(-)

diff --git a/2022/day-01/input.txt b/2022/day-01/input.txt
index e69de29..e329ff7 100644
--- a/2022/day-01/input.txt
+++ b/2022/day-01/input.txt
@@ -0,0 +1,2249 @@
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diff --git a/2022/day-01/solution.js b/2022/day-01/solution.js
index 779f7ea..cb4889e 100644
--- a/2022/day-01/solution.js
+++ b/2022/day-01/solution.js
@@ -1,12 +1,13 @@
 const fs = require('fs')
 const path = require('path')
+const { findElfWithMost, parseCalorieData } = require('./calories')
 const filePath = path.join(__dirname, 'input.txt')
-const { inputToArray } = require('../../2018/inputParser')
+// const { inputToArray } = require('../../2018/inputParser')
 
 fs.readFile(filePath, { encoding: 'utf8' }, (err, initData) => {
   if (err) throw err
 
-  initData = inputToArray(initData.trim())
+  // initData = inputToArray(initData.trim())
 
   const resetInput = () => {
     // Deep copy to ensure we aren't mutating the original data
@@ -15,8 +16,8 @@ fs.readFile(filePath, { encoding: 'utf8' }, (err, initData) => {
 
   const part1 = () => {
     const data = resetInput()
-    console.debug(data)
-    return 'No answer yet'
+    const elfWithMost = findElfWithMost(parseCalorieData(data))
+    return elfWithMost.reduce((a, b) => a + b) // Tally calories for elf with most
   }
 
   const part2 = () => {
diff --git a/index.js b/index.js
index 274e3b7..e44e4ef 100644
--- a/index.js
+++ b/index.js
@@ -1 +1 @@
-require('./2021/day-10/solution')
+require('./2022/day-01/solution')

From ebb9f3489912cba00c2a3953d093a6284e9f1ad1 Mon Sep 17 00:00:00 2001
From: Anthony McLin <git@anthonymclin.com>
Date: Thu, 1 Dec 2022 22:18:58 -0800
Subject: [PATCH 3/6] feat(2022-day-01): exposes calorie-based elf sorting

---
 2022/day-01/calories.js      |  9 +++++++--
 2022/day-01/calories.test.js | 14 +++++++++++++-
 2 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/2022/day-01/calories.js b/2022/day-01/calories.js
index 1854da9..dc79056 100644
--- 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
index cee5d6c..3a4166d 100644
--- 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]
+          ])
+      })
+    })
   })
 })

From 75259c8cbdb82528e0a730de8882a6805e749db6 Mon Sep 17 00:00:00 2001
From: Anthony McLin <git@anthonymclin.com>
Date: Thu, 1 Dec 2022 22:24:06 -0800
Subject: [PATCH 4/6] feat(2022-day-01): solution for part two, getting the top
 3 elves' calories

---
 2022/day-01/solution.js | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/2022/day-01/solution.js b/2022/day-01/solution.js
index cb4889e..d87afa2 100644
--- a/2022/day-01/solution.js
+++ b/2022/day-01/solution.js
@@ -1,6 +1,6 @@
 const fs = require('fs')
 const path = require('path')
-const { findElfWithMost, parseCalorieData } = require('./calories')
+const { findElfWithMost, parseCalorieData, sortElvesByCalories } = require('./calories')
 const filePath = path.join(__dirname, 'input.txt')
 // const { inputToArray } = require('../../2018/inputParser')
 
@@ -11,19 +11,23 @@ fs.readFile(filePath, { encoding: 'utf8' }, (err, initData) => {
 
   const resetInput = () => {
     // Deep copy to ensure we aren't mutating the original data
-    return JSON.parse(JSON.stringify(initData))
+    return parseCalorieData(JSON.parse(JSON.stringify(initData)))
   }
 
   const part1 = () => {
     const data = resetInput()
-    const elfWithMost = findElfWithMost(parseCalorieData(data))
+    const elfWithMost = findElfWithMost(data)
     return elfWithMost.reduce((a, b) => a + b) // Tally calories for elf with most
   }
 
   const part2 = () => {
     const data = resetInput()
-    console.debug(data)
-    return 'No answer yet'
+    const elves = sortElvesByCalories(data)
+    let results = 0
+    for (let x = 0; x < 3; x++) { // iterate through the top 3 results
+      results += elves[x].reduce((a, b) => a + b, 0) // sum the calorie counts
+    }
+    return results
   }
   const answers = []
   answers.push(part1())

From 9f9ba2d94a969c70b587cc7ae682da3811530dff Mon Sep 17 00:00:00 2001
From: Anthony McLin <git@anthonymclin.com>
Date: Thu, 1 Dec 2022 22:28:28 -0800
Subject: [PATCH 5/6] style: adopt updated eslint rules

---
 2018/day-04/guards.js      | 2 +-
 2018/day-06/coordinates.js | 4 ++--
 2018/day-09/marbles.js     | 2 +-
 2018/day-10/solution.js    | 2 +-
 2018/day-11/fuel-cells.js  | 2 +-
 2018/day-12/plants.js      | 2 +-
 6 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/2018/day-04/guards.js b/2018/day-04/guards.js
index 4724550..7d1a4ef 100644
--- a/2018/day-04/guards.js
+++ b/2018/day-04/guards.js
@@ -44,7 +44,7 @@ const findSleepiestTimes = (guard, data) => {
   const getTimesAsleep = (activity) => {
     return activity.split('')
       .map((state, idx) => {
-        return { id: idx, state: state } // parse the activity stream into data
+        return { id: idx, state } // parse the activity stream into data
       }).filter((minute) => minute.state === '#') // get only the times the guard is asleep
       .map((minute) => minute.id) // convert into a list of times
   }
diff --git a/2018/day-06/coordinates.js b/2018/day-06/coordinates.js
index af9a879..e5ff0f7 100644
--- a/2018/day-06/coordinates.js
+++ b/2018/day-06/coordinates.js
@@ -76,8 +76,8 @@ const blankGrid = () => {
     grid[x] = grid[x] || []
     for (let y = minY; y < maxY; y++) {
       grid[x][y] = grid[x][y] || {
-        x: x,
-        y: y
+        x,
+        y
       }
     }
   }
diff --git a/2018/day-09/marbles.js b/2018/day-09/marbles.js
index e069569..8fdbe16 100644
--- a/2018/day-09/marbles.js
+++ b/2018/day-09/marbles.js
@@ -160,7 +160,7 @@ const playGame = (playerCount, highMarble, showBoard) => {
 
   // tally the results
   const results = {
-    players: players,
+    players,
     highScore: players.sort((a, b) => b - a)[0]
   }
 
diff --git a/2018/day-10/solution.js b/2018/day-10/solution.js
index 3704ab2..9e35ec8 100644
--- a/2018/day-10/solution.js
+++ b/2018/day-10/solution.js
@@ -21,7 +21,7 @@ const init = (data) => {
   const best = beaconTracker.frameMeta.reduce((acc, curr, idx) => {
     return (curr.focus < acc.focus)
       ? {
-          idx: idx,
+          idx,
           focus: curr.focus,
           dims: curr.dims
         }
diff --git a/2018/day-11/fuel-cells.js b/2018/day-11/fuel-cells.js
index 871a160..537c8d4 100644
--- a/2018/day-11/fuel-cells.js
+++ b/2018/day-11/fuel-cells.js
@@ -95,7 +95,7 @@ class Rack {
   findMaxSquare (size) {
     return this.cells.reduce((acc, cell, idx) => {
       const squarePower = this._tallySquare(idx, size)
-      return (squarePower !== null && squarePower > acc.power) ? { power: squarePower, idx: idx } : acc
+      return (squarePower !== null && squarePower > acc.power) ? { power: squarePower, idx } : acc
     }, { power: -99999, idx: -1 })
   }
 }
diff --git a/2018/day-12/plants.js b/2018/day-12/plants.js
index c90ea9e..284fab6 100644
--- a/2018/day-12/plants.js
+++ b/2018/day-12/plants.js
@@ -63,7 +63,7 @@ class Plants {
 
       return {
         position: pot.position,
-        state: state
+        state
       }
     })
 

From ef66f7d2f6fff51473e1de929698258473949171 Mon Sep 17 00:00:00 2001
From: Anthony McLin <git@anthonymclin.com>
Date: Thu, 1 Dec 2022 22:31:49 -0800
Subject: [PATCH 6/6] ci: update automation runtimes from Node 14 to 16

---
 .github/workflows/release.yml   | 2 +-
 .github/workflows/run-tests.yml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 9152245..57fb614 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -21,7 +21,7 @@ jobs:
         uses: actions/checkout@v2
       - uses: actions/setup-node@v2
         with:
-          node-version: 14
+          node-version: 16
       - run: npm ci
       - name: Semantic Release
         uses: cycjimmy/semantic-release-action@v2
diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 2801b19..d8370e5 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -16,7 +16,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: ['14']
+        node-version: ['16']
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps: