Added method throwMessage to blocks.debug which outputs a custom error

string.
astoilkov · Sep 10, 2016 · 8fe09d4 · 8fe09d4
1 parent 5dc25a4
commit 8fe09d4
Showing 1 changed file with 39 additions and 1 deletion.
diff --git a/lib/blocks/jsdebug.js b/lib/blocks/jsdebug.js
@@ -37,6 +37,44 @@ blocks.debug = {
     blocks.debug.printErrors(method, args, options, errors);
   }),
 
+  throwMessage: debugFunc(function(errorMessage, method, style) {
+    if (!errorMessage) return;
+
+    var type = typeof style == 'string' ? style : 'Info';
+
+    if (!style || typeof style != 'object') {
+        style = defaultStyles[type.toLowerCase()];
+    }
+
+    var message = blocks.debug.Message();
+
+    message.addSpan(type, style).addText(' in ');
+
+    // No method => No name and no usage, so we at least print a stack trace
+    if (!method) {
+      message.addText('unspecified method - ')
+        .addText(errorMessage);
+
+      message.beginCollapsedGroup();
+
+      message.addText('Stack trace:')
+        .newLine()
+        .addText(new Error().stack);
+
+      message.endGroup();
+    }
+
+    // Print method name, error message and add usage
+    if (method) {
+      message.addSpan(method.name + '()', {background: '#EEE'})
+        .addText(' - ')
+        .addText(errorMessage);
+      addMethodReference(message, method, true);
+    }
+
+    message.print();
+  }),
+
   printErrors: function (method, args, options, errors) {
     if (!blocks.debug.enabled) {
       return;
@@ -275,7 +313,7 @@ function addError(message, error, method, paramNames) {
           message.addText(', ');
         }
         for (index = error.expected; index < error.actual; index++) {
-          message.addSpan(paramNames[index], blocks.extend({}, defaultStyles.error,{'text-decoration': 'line-through'}));
+          message.addSpan(paramNames[index], blocks.extend({}, defaultStyles.error, {'text-decoration': 'line-through'}));
           if (index != error.actual - 1) {
             message.addText(', ');
           }