Display information instead of stack traces if the user didn't enter …

…a valid color. closes ryanzec#1
jantimon · May 10, 2016 · d2304dd · d2304dd
1 parent 0bb5ec7
commit d2304dd
Showing 1 changed file with 10 additions and 1 deletion.
diff --git a/lib/index.js b/lib/index.js
@@ -2,5 +2,14 @@
 var oneColor = require('onecolor');
 var chalk = require('chalk');
 var ntc = require('./ntc');
+var color = oneColor(process.argv[2]);
+
+if (!process.argv[2]) {
+  console.log('Usage: name-that-color "#C0FFEE"');
+} else if (color === false) {
+  console.log('"' + process.argv[2] + '" is not a valid color.');
+} else {
+  console.log(chalk.magenta(process.argv[2]) + ' name is ' + chalk.cyan(ntc.name(oneColor(process.argv[2]).hex())[1]));
+}
+
 
-console.log(chalk.magenta(process.argv[2]) + ' name is ' + chalk.cyan(ntc.name(oneColor(process.argv[2]).hex())[1]));