feat(2018 day-12): plant generation rules parser

Author: developher-net

2018/day-10/helpers.js

@@ -44,6 +44,7 @@ const parseLine = (input) => {
 }
 
 module.exports = {
+  listToProps: _listToProps,
   loadInput,
   parseLine
 }

2018/day-12/helpers.js

@@ -0,0 +1,14 @@
+const { listToProps } = require('../day-10/helpers')
+
+/**
+ * Parses a line from the input into structured data
+ * @param {String} input Line from input stream
+ * @returns Structured object with patterns and states
+ */
+const parseLine = (input) => {
+  return input.split(' => ').reduce((acc, curr, idx) => listToProps(acc, curr, idx, ['id', 'generate']), {})
+}
+
+module.exports = {
+  parseLine
+}

2018/day-12/helpers.test.js

@@ -7,11 +7,11 @@ const {
 describe('--- Day 12: Subterranean Sustainability ---', () => {
   describe('Helpers:', () => {
     describe('parseLine(input)', () => {
-      it.skip('converts a line of the input into structured object', () => {
+      it('converts a line of the input into structured object', () => {
         const test = `..#.. => #`
         const expected = {
           id: '..#..',
-          value: '#'
+          generate: '#'
         }
         const actual = parseLine(test)
         expect(actual).to.deep.equal(expected)