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[CLEANUP] Code cleanup to reduce the amount of duplicate code each day

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This commit is contained in:
Bas Dado
2021-12-05 11:25:07 +01:00
parent 039c36f09a
commit 8b3963fa6a
6 changed files with 40 additions and 40 deletions
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7
functions/src/day.ts Normal file
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@@ -0,0 +1,7 @@
interface Day {
part1(input: string[]): number;
part2(input: string[]): number;
}
export default Day;

7
functions/src/day1.ts
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@@ -1,6 +1,7 @@
import Day from "./day";
class Day1 {
static part1(input: string[]): number {
class Day1 implements Day {
part1(input: string[]): number {
const values = input.map(s => parseInt(s));
let res = 0;
@@ -10,7 +11,7 @@ class Day1 {
return res;
}
static part2(input: string[]): number {
part2(input: string[]): number {
const values = input.map(s => parseInt(s));
let res = 0;

19
functions/src/day2.ts
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@@ -1,22 +1,23 @@
import Utils from "./utils";
import Day from "./day";
class Day2 {
static part1(input: string[]): number {
class Day2 implements Day {
part1(input: string[]): number {
const forwardMoves = input.filter(s => s.startsWith("forward"))
.map(s => this.readUnits(s));
.map(s => Day2.readUnits(s));
const finalForwardPosition = Utils.sum(forwardMoves);
const depthMovesUp = input.filter(s => s.startsWith("up"))
.map(s => this.readUnits(s));
.map(s => Day2.readUnits(s));
const depthMovesDown = input.filter(s => s.startsWith("down"))
.map(s => this.readUnits(s));
.map(s => Day2.readUnits(s));
const finalDepthPosition = Utils.sum(depthMovesDown) - Utils.sum(depthMovesUp);
return finalForwardPosition * finalDepthPosition;
}
static part2(input: string[]): number {
part2(input: string[]): number {
let depth = 0;
let aim = 0;
@@ -24,11 +25,11 @@ class Day2 {
for (const entry of input) {
if (entry.startsWith("up")) {
aim -= this.readUnits(entry);
aim -= Day2.readUnits(entry);
} else if (entry.startsWith("down")) {
aim += this.readUnits(entry);
aim += Day2.readUnits(entry);
} else if (entry.startsWith("forward")) {
const movement = this.readUnits(entry);
const movement = Day2.readUnits(entry);
depth += aim * movement;
x += movement;
}

13
functions/src/day3.ts
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@@ -1,12 +1,13 @@
import Utils from "./utils";
import Day from "./day";
class Day3 {
class Day3 implements Day {
public static part1(input: string[]): number {
public part1(input: string[]): number {
let sums = Utils.zeroes(input[0].length);
const sums = Utils.zeroes(input[0].length);
for (let value of input) {
for (const value of input) {
for (let i = 0; i < value.length; i++) {
if (value[i] === "1") {
sums[i] += 1;
@@ -20,9 +21,9 @@ class Day3 {
return gamma * epsilon;
}
public static part2(input: string[]): number {
public part2(input: string[]): number {
return this.findLifeSupportRating(input, "oxygen") * this.findLifeSupportRating(input, "CO2");
return Day3.findLifeSupportRating(input, "oxygen") * Day3.findLifeSupportRating(input, "CO2");
}
static findLifeSupportRating(input: string[], type: "oxygen" | "CO2"): number {

32
functions/src/index.ts
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@@ -1,9 +1,10 @@
import * as functions from "firebase-functions";
import Utils from "./utils";
import Day1 from "./day1";
import {Response} from "firebase-functions";
import {Request, Response} from "firebase-functions";
import Day2 from "./day2";
import Day3 from "./day3";
import Day from "./day";
// // Start writing Firebase Functions
@@ -20,30 +21,19 @@ interface DayResult {
}
export const day = {
1: functions.region("europe-west1").https.onRequest((request, response) => {
1: functions.region("europe-west1").https.onRequest((request, response) => { processDay(new Day1(), request, response) }),
2: functions.region("europe-west1").https.onRequest((request, response) => { processDay(new Day2(), request, response) }),
3: functions.region("europe-west1").https.onRequest((request, response) => { processDay(new Day3(), request, response) }),
}
function processDay(day: Day, request: Request, response: Response) {
const input = Utils.parseInput(request);
const part1 = Day1.part1(input);
const part2 = Day1.part2(input);
const part1 = day.part1(input);
const part2 = day.part2(input);
sendResponse(response, part1, part2);
}),
2: functions.region("europe-west1").https.onRequest((request, response) => {
const input = Utils.parseInput(request);
const part1 = Day2.part1(input);
const part2 = Day2.part2(input);
sendResponse(response, part1, part2);
}),
3: functions.region("europe-west1").https.onRequest((request, response) => {
const input = Utils.parseInput(request);
const part1 = Day3.part1(input);
const part2 = Day3.part2(input);
sendResponse(response, part1, part2);
}),
}
function sendResponse(response: Response, part1: string | number, part2: string | number) {

2
functions/src/utils.ts
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@@ -19,7 +19,7 @@ class Utils {
static zeroes(length: number): number[] {
let res = [];
const res = [];
for (let i = 0; i < length; i++) {
res.push(0);
}