cli: Move handler functions outside try/catch of yargs

Author: shakyShane

bin/browser-sync2.js

@@ -9,22 +9,21 @@ var utils = require("../lib/utils");
  */
 if (!module.parent) {
     var yargs = require("yargs")
-        .command('start [options]', 'Start the server')
+        .command('start', 'Start the server')
         .command('init', 'Create a configuration file')
         .command('reload', 'Send a reload event over HTTP protocol')
-        .command('recipe <command> [options]', 'Generate the files for a recipe')
+        .command('recipe', 'Generate the files for a recipe')
         .version(function () {
             return pkg.version;
         })
-        .epilogue("For help running a certain command, type <command> --help\neg: browser-sync start --help");
+        .epilogue("For help running a certain command, type <command> --help\neg: $0 start --help");
 
     var argv    = yargs.argv;
     var command = argv._[0];
 
     var valid = ['start', 'init', 'reload', 'recipe'];
     if (valid.indexOf(command) > -1) {
-        var out = handleIncoming(command, yargs.reset());
-        // console.log(out);
+        handleIncoming(command, yargs.reset());
     } else {
         yargs.showHelp();
     }
@@ -42,65 +41,50 @@ function handleCli(opts) {
 
 module.exports = handleCli;
 
-
+/**
+ * @param {string} command
+ * @param {object} yargs
+ */
 function handleIncoming(command, yargs) {
+    var out;
     if (command === 'start') {
-        var out = yargs
-            .command('start [options]')
+        out = yargs
+            .usage("Usage: $0 start [options]")
             .options(startOpts)
-            .example('browser-sync start -s app', '- Use the App directory to serve files')
-            .example('browser-sync start -p www.bbc.co.uk', '- Proxy an existing website')
+            .example('$0 start -s app', '- Use the App directory to serve files')
+            .example('$0 start -p www.bbc.co.uk', '- Proxy an existing website')
             .help()
             .argv;
-        if (out.help) {
-            yargs.showHelp();
-        } else {
-            handleCli({cli: {flags: out, input: ["start"]}});
-        }
     }
     if (command === 'init') {
-        var out = yargs
-            .command('init', 'Generate a configuration file')
-            .example('browser-sync init')
+        out = yargs
+            .usage('Usage: $0 init')
+            .example('$0 init')
             .help()
             .argv;
-        if (out.help) {
-            yargs.showHelp();
-        } else {
-            handleCli({cli: {flags: out, input: ["init"]}});
-        }
     }
     if (command === 'reload') {
-        var out = yargs
-            .command('reload', 'Send a reload event over HTTP protocol')
-            .example('browser-sync reload')
-            .example('browser-sync reload --port 4000')
-            .example('browser-sync reload --port 4000')
+        out = yargs
+            .usage("Usage: $0 reload")
+            .options(reloadOpts)
+            .example('$0 reload')
+            .example('$0 reload --port 4000')
+            .example('$0 reload --port 4000')
             .help()
             .argv;
-        if (out.help) {
-            yargs.showHelp();
-        } else {
-            handleCli({cli: {flags: out, input: ["reload"]}});
-        }
     }
     if (command === 'recipe') {
-        var out = yargs
-            .command('recipe <recipe-name> [options]', 'Generate the files for a recipe', function (yargs) {
-            	console.log(yargs.argv._[1]);
-            })
-            .command('recipe ls', 'List all recipes', function (yargs) {
-            	console.log(yargs.argv._[1]);
-            })
-            .example('browser-sync recipe ls', 'list the recipes')
-            .example('browser-sync recipe gulp.sass', 'use the gulp.sass recipe')
+        out = yargs
+            .usage('Usage: $0 recipe <recipe-name>')
+            .option(recipeOpts)
+            .example('$0 recipe ls', 'list the recipes')
+            .example('$0 recipe gulp.sass', 'use the gulp.sass recipe')
             .help()
             .argv;
-        if (out.help) {
-            yargs.showHelp();
-        } else {
-            console.log('HERE', out);
-            // handleCli({cli: {flags: out, input: ["recipe", out["recipe-name"]]}});
-        }
     }
+    if (out.help) {
+        return yargs.showHelp();
+    }
+
+    handleCli({cli: {flags: out, input: out._}});
 }

lib/cli/command.recipe.js

@@ -31,6 +31,11 @@ module.exports = function (opts) {
         logRecipes();
         return opts.cb();
     }
+    
+    if (opts.cli.input[1] === 'ls') {
+        logRecipes();
+        return opts.cb();
+    }
 
     input         = input[0];
     var flags     = opts.cli.flags;

lib/cli/opts.recipe.json

@@ -2,9 +2,5 @@
   "output": {
     "alias": "o",
     "desc": "Specify an output directory"
-  },
-  "list": {
-    "alias": "ls",
-    "desc": "Show all available recipes"
   }
 }