Inserting log in controller

Author: andrelmlins

src/Log.ts

@@ -0,0 +1,75 @@
+class Log {
+  private static _instance: Log;
+  private infoOld: string;
+  private colors = {
+    reset: '\x1b[0m',
+    fgBlack: '\x1b[30m',
+    fgBlue: '\x1b[34m',
+    fgGreen: '\x1b[32m',
+    fgCyan: '\x1b[36m',
+    fgYellow: '\x1b[33m',
+    fgRed: '\x1b[31m',
+    bgBlue: '\x1b[44m',
+    bgRed: '\x1b[41m',
+    bgYellow: '\x1b[43m'
+  };
+
+  private constructor() {
+    this.infoOld = '';
+  }
+
+  public static get Instance() {
+    return this._instance || (this._instance = new this());
+  }
+
+  infoHeap(text: string) {
+    if (this.infoOld !== '') {
+      process.stdout.clearLine(0);
+      process.stdout.cursorTo(0);
+    }
+
+    process.stdout.write(`${this.colors.fgBlue}ℹ${this.colors.reset} ${text}`);
+    this.infoOld = text;
+  }
+
+  successHeap(text: string) {
+    if (this.infoOld !== '') {
+      process.stdout.clearLine(0);
+      process.stdout.cursorTo(0);
+    }
+
+    process.stdout.write(
+      `${this.colors.fgGreen}✓${this.colors.reset} ${text}\n`
+    );
+    this.infoOld = text;
+  }
+
+  errorHeap(text: string) {
+    process.stdout.clearLine(0);
+    process.stdout.cursorTo(0);
+    process.stdout.write(`${this.colors.fgRed}☓${this.colors.reset} ${text}\n`);
+  }
+
+  jump() {
+    process.stdout.write(`\n`);
+  }
+
+  title(text: string) {
+    process.stdout.write(
+      `\n${this.colors.bgBlue}⚬ ${text.toUpperCase()}${this.colors.reset}\n\n`
+    );
+  }
+
+  info(text: string) {
+    process.stdout.write(
+      `\n${this.colors.fgCyan}⚬${this.colors.reset} ${text}`
+    );
+  }
+
+  exception(text: string) {
+    process.stdout.write(`\n${this.colors.fgRed}☓${this.colors.reset} ${text}`);
+    process.exit(1);
+  }
+}
+
+export default Log;

src/generators/ControllerGenerator.ts

@@ -3,47 +3,39 @@ import path from 'path';
 import commander from 'commander';
 import capitalize from '../utils/capitalize';
 import replaceMask from '../utils/replaceMask';
-
-let controllerName: string = '';
+import Log from '../Log';
 
 commander
   .name(`recife-cli controller`)
   .arguments('<controller-name>')
-  .action(name => (controllerName = name))
+  .action(name => createController(name))
   .allowUnknownOption(false)
   .parse(process.argv);
 
-if (controllerName) {
-  controllerName = capitalize(
-    controllerName.replace(/Controller|\.ts|\.js/g, '')
-  );
+const createController = (name: string) => {
+  if (name) {
+    Log.Instance.infoHeap(`Creating the controller`);
 
-  controllerName += 'Controller';
+    name = capitalize(name.replace(/Controller|\.ts|\.js/g, ''));
 
-  const source = path.join(__dirname, '/../../templates/controller/template');
-  const target = path.join(
-    process.cwd(),
-    'src/controllers',
-    `${controllerName}.ts`
-  );
+    name += 'Controller';
 
-  try {
-    const contentFile = fs.readFileSync(source).toString();
-    fs.writeFileSync(
-      target,
-      replaceMask(contentFile, { name: controllerName })
-    );
+    const source = path.join(__dirname, '/../../templates/controller/template');
+    const target = path.join(process.cwd(), 'src/controllers', `${name}.ts`);
+
+    try {
+      const contentFile = fs.readFileSync(source).toString();
+      fs.writeFileSync(target, replaceMask(contentFile, { name }));
 
-    console.info(
-      `\x1b[36mCreating the controller ${controllerName}.`,
-      '\x1b[0m'
+      Log.Instance.successHeap(`The controller ${name} created.`);
+      Log.Instance.info(`Path: ${target}`);
+    } catch (err) {
+      Log.Instance.exception(err);
+    }
+  } else {
+    Log.Instance.errorHeap(`Specify the name controller.`);
+    Log.Instance.info(
+      `For example: recife-cli controller User\nRun --help for more information`
     );
-    console.info(`Path: ${target}`, '\x1b[0m\n');
-  } catch (err) {
-    console.log(`\x1b[31m${err}\x1b[0m`);
   }
-} else {
-  console.error('\x1b[31mSpecify the name controller.', '\x1b[0m');
-  console.log(`  For example: recife-cli controller User`);
-  console.log(`  Run --help for more information\n`);
-}
+};

src/index.ts

@@ -4,11 +4,11 @@
 
 import commander from 'commander';
 import path from 'path';
+import Log from './Log';
 
 const packageJson = require(path.join(__dirname, '../package.json'));
 
-console.log('\x1b[36mRecife CLI', '\x1b[0m');
-console.log(`🚀 Version: ${packageJson.version}\n`);
+Log.Instance.title(`RecifeJs CLI`);
 
 commander
   .version(packageJson.version, '-v --version', 'Version number')