Merge pull request #4 from html-next/improve-error-message-for-missing-config

feat(error messages) better message for missing config

Author: RobbieTheWagner

lib/get-validated-flexi-config.js

@@ -16,14 +16,15 @@ module.exports = function(projectRoot) {
   if (fs.existsSync(configPath)) {
     flexiConfig = require(configPath);
 
-    assert("config/flexi.js is defined, but could not be imported", flexiConfig);
-    assert("config/flexi.js is defined, but did not contain property [array] breakpoints",
+    assert('config/flexi.js is defined, but could not be imported', flexiConfig);
+    assert('config/flexi.js is defined, but did not contain property [array] breakpoints',
            flexiConfig.breakpoints instanceof Array);
-    assert("config/flexi.js is defined, but did not contain property [number] columns",
+    assert('config/flexi.js is defined, but did not contain property [number] columns',
            typeof flexiConfig.columns === 'number');
 
   } else {
-    assert("You must define a config file for flexi at '" + configPath + "'",
+    assert(`You must define a config file for flexi at '${configPath}'.` +
+           ' To generate a new config file, run `ember g flexi-config`',
            process.argv[2] === 'install' && process.argv[3].indexOf('flexi') !== -1);
   }