cli: create checlist

lib/commands/new_project.js

@@ -88,7 +88,7 @@ function _promptUser(projName, stage, s3Bucket, region, notificationEmail, awsPr
     // Prompt: region - initial region for this stage
     prompts.properties.region = {
       description: JawsCLI.promptList(
-        'Which AWS Region would you like to start with (enter a number): ',
+        'Which AWS Region would you like to start with: ',
         regions,
         regions[0]).yellow,
       message: 'Please enter a valid region in the list',

lib/utils/cli.js

@@ -1,4 +1,4 @@
-'use strict';
+// 'use strict';
 
 /**
  * JAWS Services: CLI
@@ -18,14 +18,16 @@ var Promise = require('bluebird'),
 
 Promise.promisifyAll(fs);
 
+var JawsCLI = {};
+
 /**
  * Prompt
  */
-module.exports.prompt = function() {
-    prompt.start();
-    prompt.delimiter = "";
-    prompt.message = "JAWS: ";
-    return prompt;
+module.exports.prompt = JawsCLI.prompt = function() {
+  prompt.start();
+  prompt.delimiter = '';
+  prompt.message = 'JAWS: ';
+  return prompt;
 };
 
 /**
@@ -34,11 +36,11 @@ module.exports.prompt = function() {
  * @param choices
  * @returns {*}
  */
-module.exports.promptList = function(message, choices, defaultChoice) {
+module.exports.promptList = JawsCLI.promptList = function(message, choices, defaultChoice) {
 
   message = message + '('.white + defaultChoice + ')'.white + os.EOL;
 
-  for (var i = 0;i < choices.length;i++) {
+  for (var i = 0; i < choices.length; i++) {
     message = message
         + '      - '
         + choices[i].toString().yellow
@@ -48,10 +50,147 @@ module.exports.promptList = function(message, choices, defaultChoice) {
   return message;
 };
 
+/**
+ * Prompt CheckList
+ *
+ * @param message
+ * @param choices
+ * @param spacer
+ *
+ * Accepts array: {key: '1: ', key2: '(deployed) ', value: 'a great choice!'}
+ * Or: {spacer: true}
+ *
+ * @returns {Promise}
+ */
+module.exports.promptChecklist = JawsCLI.promptChecklist = function(message, choices, spacer) {
+  return new Promise(function(resolve, reject) {
+
+    // Log Message
+    console.log('JAWS: ' + chalk.yellow(message));
+
+    var state = {
+      choices: choices,
+      index: 1,
+      lines: 0,
+    };
+
+    // Add Done and Cancel to choices
+    state.choices.push(
+        { spacer: true },
+        { action: 'Done'});
+
+    var keypress = require('keypress');
+    keypress(process.stdin);
+
+    process.stdin.on('keypress', function (ch, key) {
+      if (key && key.ctrl && key.name == 'c') {
+        process.stdin.pause();
+      } else if (key.name == 'up' && state.index > 1) {
+        if (state.choices[state.index - 2].spacer) {
+          state.index = state.index - 2;
+        } else {
+          state.index = state.index - 1;
+        }
+        return _render();
+      } else if (key.name == 'down' && state.index < state.choices.length) {
+        if (state.choices[state.index].spacer) {
+          state.index = state.index + 2;
+        } else {
+          state.index = state.index + 1;
+        }
+        return _render();
+      } else if (key.name == 'return') {
+        if (state.choices[state.index - 1].action && state.choices[state.index - 1].action.toLowerCase() === 'done') {
+          return _close();
+        } else {
+          state.choices[state.index - 1].toggled = state.choices[state.index - 1].toggled ? false : true;
+          return _render();
+        }
+      }
+    });
+
+    process.stdin.setRawMode(true);
+    process.stdin.resume();
+
+    // Initial Render
+    _render();
+
+    // Render function
+    function _render() {
+
+      // Clear Rendering
+      for (var i = 1; i < state.lines; i++) {
+        process.stdout.moveCursor(0, -1);
+        process.stdout.clearLine();
+      }
+
+      // Reset line count
+      state.lines = 1;
+
+      // Render Line
+      for (var i = 0; i < state.choices.length; i++) {
+        var choice = state.choices[i],
+            line = '';
+
+        // Increment line count
+        state.lines++;
+
+        // Select Arrow
+        var arrow = i === (state.index - 1) ? '  > ' : '    ';
+
+        // Render Choice
+        if (choice.value) {
+          // Line - Key
+          if (choice.key) line = line + choice.key;
+          // Line - Key2
+          if (choice.key2) line = line + choice.key2;
+          // Line - Line
+          line = line + choice.value;
+          // Add toggled style
+          if (choice.toggled) {
+            line = chalk.yellow(line);
+          }
+          // Add line break
+          line = line + os.EOL;
+        }
+
+        // Render Spacer
+        if (choice.spacer) {
+          line = (spacer ? spacer : '    ') + os.EOL;
+        }
+
+        // Render Action
+        if (choice.action) {
+          line = choice.action + os.EOL;
+        }
+
+        // TODO: Add custom word wrap after measuring terminal width. Re-count lines.
+
+        // Render
+        process.stdout.write(arrow + line);
+      }
+    }
+
+    // Close function
+    function _close() {
+
+      process.stdin.pause();
+
+      // Clean Choices
+      for (var i = 0; i < state.choices.length; i++) {
+        if (state.choices[i].spacer) state.choices.splice(i, 1);
+        if (state.choices[i].action) state.choices.splice(i, 1);
+      }
+
+      return resolve(state.choices);
+    }
+  });
+};
+
 /**
  * ASCII
  */
-module.exports.ascii = function() {
+module.exports.ascii = JawsCLI.ascii = function() {
 
   var art = '';
   art = art + '       ____   _____  __      __  _________ ' + os.EOL;
@@ -60,7 +199,7 @@ module.exports.ascii = function() {
   art = art + '  /\\__|    /    |    \\        / /        \\ ' + os.EOL;
   art = art + '  \\________\\____|__  /\\__/\\__/ /_________/ v' + packageJson.version + os.EOL;
   art = art + '' + os.EOL;
-  art = art + '       *** The Server-less Framework ***     ' + os.EOL;
+  art = art + '       *** The Server-Less Framework ***     ' + os.EOL;
 
   console.log(chalk.yellow(art));
 };
@@ -68,15 +207,15 @@ module.exports.ascii = function() {
 /**
  * Spinner
  */
-module.exports.spinner = function(message) {
+module.exports.spinner = JawsCLI.spinner = function(message) {
   var spinner = new Spinner('JAWS: ' + chalk.yellow('%s ' + message));
   spinner.setSpinnerString('|/-\\');
   return spinner;
-}
+};
 
 /**
  * Log
  */
-module.exports.log = function(message) {
+module.exports.log = JawsCLI.log = function(message) {
   console.log('JAWS: ' + chalk.yellow(message));
-}
+};

package.json

@@ -47,6 +47,7 @@
     "insert-module-globals": "^6.5.2",
     "jaws-api-gateway-client": "0.11.0",
     "mkdirp-then": "^1.1.0",
+    "keypress": "^0.2.1",
     "moment": "^2.10.6",
     "node-uuid": "^1.4.2",
     "node-zip": "^1.1.0",