Add space between part2 & part3

credit-card-checker

@@ -1 +0,0 @@
-Subproject commit ce5ec631b235224288aa67597f005daeeaa7889a

credit-card-checkerv/main.js

@@ -0,0 +1,90 @@
+// All valid credit card numbers
+const valid1 = [4, 5, 3, 9, 6, 7, 7, 9, 0, 8, 0, 1, 6, 8, 0, 8]
+const valid2 = [5, 5, 3, 5, 7, 6, 6, 7, 6, 8, 7, 5, 1, 4, 3, 9]
+const valid3 = [3, 7, 1, 6, 1, 2, 0, 1, 9, 9, 8, 5, 2, 3, 6]
+const valid4 = [6, 0, 1, 1, 1, 4, 4, 3, 4, 0, 6, 8, 2, 9, 0, 5]
+const valid5 = [4, 5, 3, 9, 4, 0, 4, 9, 6, 7, 8, 6, 9, 6, 6, 6]
+
+// All invalid credit card numbers
+const invalid1 = [4, 5, 3, 2, 7, 7, 8, 7, 7, 1, 0, 9, 1, 7, 9, 5]
+const invalid2 = [5, 7, 9, 5, 5, 9, 3, 3, 9, 2, 1, 3, 4, 6, 4, 3]
+const invalid3 = [3, 7, 5, 7, 9, 6, 0, 8, 4, 4, 5, 9, 9, 1, 4]
+const invalid4 = [6, 0, 1, 1, 1, 2, 7, 9, 6, 1, 7, 7, 7, 9, 3, 5]
+const invalid5 = [5, 3, 8, 2, 0, 1, 9, 7, 7, 2, 8, 8, 3, 8, 5, 4]
+
+// Can be either valid or invalid
+const mystery1 = [3, 4, 4, 8, 0, 1, 9, 6, 8, 3, 0, 5, 4, 1, 4]
+const mystery2 = [5, 4, 6, 6, 1, 0, 0, 8, 6, 1, 6, 2, 0, 2, 3, 9]
+const mystery3 = [6, 0, 1, 1, 3, 7, 7, 0, 2, 0, 9, 6, 2, 6, 5, 6, 2, 0, 3]
+const mystery4 = [4, 9, 2, 9, 8, 7, 7, 1, 6, 9, 2, 1, 7, 0, 9, 3]
+const mystery5 = [4, 9, 1, 3, 5, 4, 0, 4, 6, 3, 0, 7, 2, 5, 2, 3]
+
+// An array of all the arrays above
+const batch = [
+  valid1,
+  valid2,
+  valid3,
+  valid4,
+  valid5,
+  invalid1,
+  invalid2,
+  invalid3,
+  invalid4,
+  invalid5,
+  mystery1,
+  mystery2,
+  mystery3,
+  mystery4,
+  mystery5,
+]
+
+
+// Add your functions below:
+
+const validateCred = function (card) {
+  let luhn = 0
+  let double = false
+
+  for (let i = card.length - 1; i >= 0; i--) {
+    let cur = card[i]
+
+    if (double) {
+      cur *= 2
+    }
+    double = !double
+
+    if (cur > 9) {
+      cur -= 9
+    }
+
+    luhn += cur
+  }
+
+  return luhn % 10 === 0
+}
+
+const findInvalidCards = function (cards) {
+  return cards.filter(card => !validateCred(card))
+}
+
+const idInvalidCardCompanies = function (invalid) {
+  let issuingCompanies = []
+  const companies = {
+    3: 'Amex (American Express)',
+    4: 'Visa',
+    5: 'Mastercard',
+    6: 'Discover',
+  }
+
+  invalid.forEach((card) => {
+    let c = companies[card[0]]
+
+    issuingCompanies.push(c || 'Company not found')
+  })
+
+  return [...new Set(issuingCompanies)]
+}
+
+const invalid = findInvalidCards(batch)
+console.log(invalid.length)
+console.log(idInvalidCardCompanies(invalid))

message-generator/main.js

@@ -20,7 +20,7 @@ const part2 = [
   'but it will turn out perfectly in the end!',
 ]
 
-const part3 = 'Your lucky number is '
+const part3 = ' Your lucky number is '
 
 const buildMsg = function () {
   let msg = ''