rkleine · May 23, 2018 12:11 · Aug 12, 2017 · Aug 12, 2017 · Aug 12, 2017 · May 29, 2017
diff --git a/cuit-cuit.js → cuit-cuil.js b/cuit-cuit.js → cuit-cuil.js
diff --git a/cuit-cuit.js b/cuit-cuit.js
@@ -1,5 +1,5 @@
 function generateCUIL(dni, type) {
-  if (dni.length < 7) return false;
+  if (dni.toString().length < 7) return false;
 
   let xy = 30;
 
@@ -9,7 +9,14 @@ function generateCUIL(dni, type) {
     xy = 20;
   }
 
-  const parts = `${xy}${dni}`.split('');
+  const parts = `${dni}`.split('');
+  const diff = 8 - parts.length;
+
+  for (let i = 0; i < diff; i++) {
+    parts.unshift('0');
+  }
+
+  parts.unshift(...`${xy}`.split(''))
 
   const numbers = '5432765432'.split('');
   let sum  = 0;

diff --git a/cuit-cuit.js b/cuit-cuit.js
@@ -0,0 +1,64 @@
+function generateCUIL(dni, type) {
+  if (dni.length < 7) return false;
+
+  let xy = 30;
+
+  if (type === 'f') {
+    xy = 27;
+  } else if(type === 'm') {
+    xy = 20;
+  }
+
+  const parts = `${xy}${dni}`.split('');
+
+  const numbers = '5432765432'.split('');
+  let sum  = 0;
+
+  for (let i = 0; i <= 9; i++) {
+    sum += +parts[i] * +numbers[i];
+  }
+
+  const remainder = sum % 11;
+  let z = 11 - remainder;
+
+  if (remainder === 0) {
+    z = 0;
+  } else if (remainder === 1 && type === 'm') {
+    z = 9;
+    xy = 23;
+  } else if (remainder === 1 && type === 'f') {
+    z = 4;
+    xy = 23;
+  }
+  return `${xy}-${dni}-${z}`;
+}
+
+function validateCUIT(number, type) {
+  const parts = `${number}`.split('');
+
+  if (parts.length !== 11) return false;
+
+  const numbers = '5432765432'.split('');
+  let sum = 0;
+
+  for (let i = 0; i <= 9; i++) {
+    sum += +parts[i] * +numbers[i];
+  }
+
+  const remainder = sum % 11;
+  let z = 11 - remainder;
+
+  if (remainder === 0) {
+    z = 0;
+  } else if (remainder === 1 && type === 'm') {
+    z = 9;
+    xy = 23;
+  } else if (remainder === 1 && type === 'f') {
+    z = 4;
+    xy = 23;
+  } else if (remainder === 1) {
+    z = 9;
+  }
+
+  return z === +parts[10];
+}
diff --git a/cuit-validation.js b/cuit-validation.js
@@ -1,24 +0,0 @@
-function validCUIT(number) {
-  number = String(number || '').split('');
-
-  if (number.length !== 11) { return false; }
-
-  var numbers = '5432765432'.split(''),
-      result  = 0;
-
-  for (var i = 0; i <= 9; i++) {
-    result += Number(number[i]) * Number(numbers[i]);
-  }
-
-  result = result % 11;
-  result = 11 - result;
-
-  if (result === 11) { result = 0; }
-  if (result === 10) { result = 9; }
-
-  return result === Number(number[10]);
-}
-
-validCUIT(20311251407) // => true
-validCUIT("20-31125140-7") // => true
-validCUIT(20311251405) // => false

diff --git a/valid_cuit.js → cuit-validation.js b/valid_cuit.js → cuit-validation.js
diff --git a/valid_cuit.rb → cuit_validation.rb b/valid_cuit.rb → cuit_validation.rb
diff --git a/valid_cuit.rb b/valid_cuit.rb
@@ -7,7 +7,7 @@ def valid_cuit?
     numbers = %w(5 4 3 2 7 6 5 4 3 2)
     result  = 0
 
-    9.times.each { |i| result += number[i].to_i * numbers[i].to_i }
+    10.times.each { |i| result += number[i].to_i * numbers[i].to_i }
 
     result = result % 11
     result = 11 - result

diff --git a/valid_cuit.rb b/valid_cuit.rb
@@ -1,6 +1,6 @@
 class Object
   def valid_cuit?
-    number = "20-31125140-7".to_s.gsub(/\D/, '').split('')
+    number = self.to_s.gsub(/\D/, '').split('')
 
     return if number.size != 11
 

diff --git a/valid_cuit.js b/valid_cuit.js
@@ -1,4 +1,4 @@
-function isValidCUIT(number) {
+function validCUIT(number) {
   number = String(number || '').split('');
 
   if (number.length !== 11) { return false; }

diff --git a/valid_cuit.js b/valid_cuit.js
@@ -0,0 +1,24 @@
+function isValidCUIT(number) {
+  number = String(number || '').split('');
+
+  if (number.length !== 11) { return false; }
+
+  var numbers = '5432765432'.split(''),
+      result  = 0;
+
+  for (var i = 0; i <= 9; i++) {
+    result += Number(number[i]) * Number(numbers[i]);
+  }
+
+  result = result % 11;
+  result = 11 - result;
+
+  if (result === 11) { result = 0; }
+  if (result === 10) { result = 9; }
+
+  return result === Number(number[10]);
+}
+
+validCUIT(20311251407) // => true
+validCUIT("20-31125140-7") // => true
+validCUIT(20311251405) // => false
diff --git a/valid_cuit.rb b/valid_cuit.rb
@@ -1,11 +1,11 @@
 class Object
   def valid_cuit?
-    number = self.to_s.gsub(/\D/, '').split('')
+    number = "20-31125140-7".to_s.gsub(/\D/, '').split('')
 
     return if number.size != 11
 
     numbers = %w(5 4 3 2 7 6 5 4 3 2)
-    result  = 0;
+    result  = 0
 
     9.times.each { |i| result += number[i].to_i * numbers[i].to_i }
 
@@ -20,4 +20,5 @@ def valid_cuit?
 end
 
 20311251407.valid_cuit? # => true
+"20-31125140-7".valid_cuit? # => true
 20311251405.valid_cuit? # => false
diff --git a/valid_cuit.rb b/valid_cuit.rb
@@ -1,6 +1,6 @@
 class Object
   def valid_cuit?
-    number = self.to_s.split('')
+    number = self.to_s.gsub(/\D/, '').split('')
 
     return if number.size != 11
 
@@ -18,3 +18,6 @@ def valid_cuit?
     result == number[10].to_i
   end
 end
+
+20311251407.valid_cuit? # => true
+20311251405.valid_cuit? # => false
diff --git a/valid_cuit.rb b/valid_cuit.rb
@@ -1,6 +1,6 @@
 class Object
   def valid_cuit?
-    number = (self.to_s || '').split('')
+    number = self.to_s.split('')
 
     return if number.size != 11
 

diff --git a/valid_cuit → valid_cuit.rb b/valid_cuit → valid_cuit.rb
diff --git a/valid_cuit b/valid_cuit
@@ -0,0 +1,20 @@
+class Object
+  def valid_cuit?
+    number = (self.to_s || '').split('')
+
+    return if number.size != 11
+
+    numbers = %w(5 4 3 2 7 6 5 4 3 2)
+    result  = 0;
+
+    9.times.each { |i| result += number[i].to_i * numbers[i].to_i }
+
+    result = result % 11
+    result = 11 - result
+
+    result = 0 if result == 11
+    result = 9 if result == 10
+
+    result == number[10].to_i
+  end
+end