cap-swap

6-refactoring/exercises/prompt-alert-confirm/cap-swap/data/constants.js

@@ -0,0 +1 @@
+export const CAP_SWAP_BUTTON = 'swap-button';

6-refactoring/exercises/prompt-alert-confirm/cap-swap/src/handler.js

@@ -1,3 +1,17 @@
-import { capSwap } from './utils.js';
+import { capSwap } from './util.js';
 
 export const capSwapHandler = () => {};
+() => {
+    // read & process user input
+    let userInput = null;
+    while (userInput === null) {
+      userInput = prompt('enter a string to cap-swap');
+    }
+
+    // execute core logic
+
+    const capSwapped = capSwap(userInput);
+
+    // communicate result to user
+    alert(capSwapped);
+  };

6-refactoring/exercises/prompt-alert-confirm/cap-swap/src/init.js

@@ -1,4 +1,8 @@
-document.getElementById('swap-button').addEventListener('click', () => {
+
+import { CAP_SWAP_BUTTON } from '../data/constants.js';
+import './listener.js';
+
+/*document.getElementById(CAP_SWAP_BUTTON).addEventListener('click', () => {
   // read & process user input
   let userInput = null;
   while (userInput === null) {

6-refactoring/exercises/prompt-alert-confirm/cap-swap/src/listener.js

@@ -1 +1,2 @@
 import { capSwapHandler } from './handler.js';
+document.getElementById(CAP_SWAP_BUTTON).addEventListener('click',capSwapHandler);

6-refactoring/exercises/prompt-alert-confirm/cap-swap/src/util.js

@@ -1,4 +1,18 @@
-/**
- *
- */
-export const capSwap = () => {};
+
+export const capSwap = (userInput) => {
+
+    const capSwapped = userInput
+    .split('')
+    .map((str) => {
+      const charCode = str.charCodeAt(0);
+      if (64 < charCode && charCode < 91) {
+        return String.fromCharCode(charCode + 32);
+      } else if (96 < charCode && charCode < 123) {
+        return String.fromCharCode(charCode - 32);
+      } else {
+        return str;
+      }
+    })
+    .join('');
+    return capSwapped;
+};

6-refactoring/exercises/prompt-alert-confirm/cap-swap/src/util.spec.js

@@ -1,4 +1,4 @@
-import { capSwap } from './utils.js';
+import { capSwap } from './util.js';
 
 describe('capSwap: makes uppercase lowercase, and lowercase uppercase', () => {
   it('returns an empty string for an empty string', () => {

6-refactoring/exercises/state/no-copies/data/state.js

@@ -1 +1,3 @@
-export const state = _;
+export const state = {
+    noCopies: [],
+  };

6-refactoring/exercises/state/no-copies/src/handler.js

@@ -1,4 +1,16 @@
-import { saveNoCopies } from './utils.js';
+import { saveNoCopies } from './util.js';
 import { state } from '../data/state.js';
 
-export const saveNoCopiesHandler = () => {};
+export const saveNoCopiesHandler = () => {
+    // read & process user input
+let userInput = null;
+while (userInput === null) {
+  userInput = prompt('enter a string to save');
+}
+  // communicate result to user
+const message = saveNoCopies(userInput);
+alert(message);
+// log interaction
+console.log(message);
+};
+export default saveNoCopiesHandler;

6-refactoring/exercises/state/no-copies/src/init.js

@@ -1,3 +1,7 @@
+import './listener.js';
+
+
+/*
 // data to refactor out of this file
 const data = {
   noCopies: [],
@@ -23,3 +27,4 @@ document.getElementById('no-copies-button').addEventListener('click', () => {
   // log interaction
   console.log(data);
 });
+*/

6-refactoring/exercises/state/no-copies/src/listener.js

@@ -1 +1,7 @@
 import { saveNoCopiesHandler } from './handler.js';
+
+const listener = () => {
+    document.getElementById('no-copies-button').
+    addEventListener('click',saveNoCopiesHandler);
+  };
+  export default listener;

6-refactoring/exercises/state/no-copies/src/util.js

@@ -1,4 +1,14 @@
-/**
- *
- */
-export const saveNoCopies = () => {};
+
+
+  export const saveNoCopies = (userInput) => {
+    const alreadySaved = data.noCopies.includes(userInput);
+    if (!alreadySaved) {
+      data.noCopies.push(userInput);
+    }
+    // Communicate result to user
+    const message = data.noCopies.join(', ');
+    return data.noCopies;
+  };
+
+  export default saveNoCopies;
+

6-refactoring/exercises/state/no-copies/src/util.spec.js

@@ -1,4 +1,4 @@
-import { saveNoCopies } from './utils.js';
+import { saveNoCopies } from './util.js';
 
 describe('saveNoCopies: ', () => {
   describe('adds a new items that are not in the array', () => {