Rooarii · December 14, 2020 10:11 · Dec 14, 2020
diff --git a/gistfile1.txt b/gistfile1.txt
@@ -0,0 +1,52 @@
+const assert = require('assert')
+
+// Type your code here
+const capitalizeFirstLetters =(input)=>{
+  // return input.length && !input.includes(' ') > 0 ? input[0].toUpperCase() + input.slice(1): '';
+
+  // first code version
+  let output = '';
+  if (input.length >0 && !input.includes(' ') ){
+    for (let i = 0 ; i < input.length ; i++) {
+      if (i === 0) {
+        output += input[0].toUpperCase();
+      } else {
+        output += input[i];
+      }
+    }
+  }else if (input.length >0 && input.includes(' ')){
+    let inputSplit=input .split(' ');
+
+    outputSplit = inputSplit.map(e =>(
+      e[0].toUpperCase()+ e.slice(1))
+    );
+    output = outputSplit.join(' ');
+    console.log(output)
+  }
+  else {
+    output =''
+  }
+  return output
+}
+// ************* tests
+
+// test1: check that capitalizeFirstLetters is a function
+assert.strictEqual(typeof capitalizeFirstLetters, 'function');
+
+// test2: check that capitalizeFirstLetters takes one argument
+assert.strictEqual(capitalizeFirstLetters.length, 1)
+
+// // test3: check that capitalizeFirstLetters argument is a string
+// assert.strictEqual(typeof input, 'string');
+
+// test4: Check that capitalizeFirstLetters transforms javaScript correctly
+assert.strictEqual(capitalizeFirstLetters('javaScript'), 'JavaScript');
+
+// test5: Check that it works for a 1-character string
+assert.strictEqual(capitalizeFirstLetters('z'), 'Z');
+
+// test6: Check that it works for i am learning TDD
+assert.strictEqual(capitalizeFirstLetters('i am learning TDD'), 'I Am Learning TDD');
+
+// test7: Check that it works for an empty string
+assert.strictEqual(capitalizeFirstLetters(''), '');