llipio#77 solutions and test

solutions/77.js

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+// Take a string, returns an object that shows how many vowels and consonants are in the string
+
+// Input: "head"
+// Output:
+// {vowel: 2
+// consonant:3
+// }
+
+// Solutions by Colin Xie @ColinX13
+/**
+* @param {string} string - the string Input
+* @param {object{}} letterObj - the object containing the number of consonants and vowels
+*/
+const solution = (string) => {
+  let letterObj = {'vowel': 0,
+                   'consonant': 0};
+  for(let i = 0; i < string.length; i++){
+    if(string[i] === 'a' ||  string[i] === 'e' || string[i] === 'i' || string[i] === 'o' || string[i] === 'u'){
+      letterObj['vowel'] = letterObj['vowel'] + 1;
+    }else{
+      letterObj['consonant'] = letterObj['consonant'] + 1
+    }
+  }
+  return letterObj;
+};
+module.exports = {
+  solution
+};

test/77.js

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+const expect = require('chai').expect;
+let solution = require('../solutions/77').solution;
+// solution = require('./yourSolution').solution;
+
+describe('vowel and consonant', () => {
+  it('by has 0 vowel and 2 consonant', () => {
+    expect(solution('by')).eql({'vowel': 0, 'consonant': 2});
+  });
+  it('head has 2 vowels and 2 consonants', () => {
+    expect(solution('head')).eql({'vowel': 2, 'consonant': 2});
+  });
+  it('jacques has 3 vowels and 4 consonants', () => {
+    expect(solution('jacques')).eql({'vowel': 3, 'consonant':4});
+  });
+ it('everything has 3 vowels and 7 consonants', () => {
+    expect(solution('everything')).eql({'vowel': 3, 'consonant': 7});
+  });
+it('titans has 2 vowel and 4 consonant', () => {
+    expect(solution('titans')).eql({'vowel': 2, 'consonant': 4});
+  });
+it('silence has 3 vowel and 4 consonant', () => {
+    expect(solution('silence')).eql({'vowel': 3, 'consonant': 4});
+  });
+});