Day 1 Part A of advent of code 2019

File Parsing, Getting Line, Floor, and Reduce

Day1/day1.js

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+function readFile(fileName) {
+    const fs = require("fs");
+    const path = require("path");
+    return fs.readFileSync(fileName, 'utf8');
+}
+
+function getLine(textBuffer) {
+    const arr = textBuffer.split('\n').filter(line => {
+        return line.length > 0;
+    });
+
+    return arr;
+}
+
+function calculateFuelPerModule(massString) {
+    const mass = parseInt(massString)
+    console.log("Mass : ", mass)
+    const fuel = Math.floor(mass/3) - 2
+    console.log(fuel) 
+    return fuel;
+}
+
+
+const textFileBuffer = readFile("./input.txt");
+const lines = getLine(textFileBuffer);
+const totalFuel = lines.reduce(function(sum, line) {
+    return sum + calculateFuelPerModule(line);
+  }, 0);
+console.log("Total Fuel: ", totalFuel)
+
+

Day1/input.txt

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+50350
+104487
+101866
+143582
+58497
+69981
+98300
+119291
+148489
+83005
+107291
+124738
+142256
+108102
+121054
+119697
+75546
+109022
+136754
+52073
+115235
+87668
+64523
+71179
+69071
+142380
+68233
+115226
+132656
+137007
+82838
+79339
+131726
+52295
+102941
+98297
+144374
+118998
+63910
+146772
+82916
+72068
+82855
+55915
+91663
+82917
+105876
+119551
+70639
+114459
+129235
+56041
+70031
+145187
+54913
+56928
+52159
+144384
+80104
+83932
+81334
+72693
+50595
+128895
+54138
+79126
+69930
+72896
+108357
+67415
+110581
+131477
+65517
+87912
+125782
+51785
+145472
+54358
+87715
+98067
+99791
+92502
+50750
+76614
+110137
+56118
+149501
+76542
+87183
+128333
+127657
+144246
+141704
+96873
+62434
+136609
+121829
+111796
+103936
+69807