Fixes #59 Print stack trace for errors

Author: danielb2

lib/index.js

@@ -232,12 +232,30 @@ internals.purdy.prototype.Array = function (array, path, depth) {
 
 internals.purdy.prototype.Error = function (err) {
 
+    const stack = internals.formatStack(err.stack, this.indentLevel, this.settings.indent);
     if (Object.keys(err).length === 0) {
-        return this.colorize('[' + err + ']', 'error');
+        return this.colorize(stack, 'error');
     }
+    const plain = this.settings.plain;
+    this.settings.plain = true;
     const obj = this.Object(err, '', null);
-    const message = err.message ? ': ' + err.message : '';
-    return obj.replace(/^{/, '{ ' + this.colorize('[Error' + message + ']', 'error') );
+    this.settings.plain = plain;
+    return obj.replace(/^{/, '{ ' + this.colorize(stack, 'error') );
+};
+
+
+internals.formatStack = function (stack, indentLevel, indent) {
+
+    const spaces = internals.spaces((indentLevel) * indent);
+    let stackArr = stack.split('\n');
+    const firstLine = stackArr.shift();
+    stackArr = stackArr.map(function (line) {
+
+        return spaces + line;
+    });
+    stackArr.unshift(firstLine);
+
+    return stackArr.join('\n');
 };
 
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "purdy",
-  "version": "3.0.2",
+  "version": "3.1.0",
   "description": "Pretty print objects in real purdy colors. Allows clearer visualization of objects than you get from most pretty printers due to colors. It will also print out the complete path to an object, something that's extremly useful for debugging. Purdy will also print out the path to access a variable using Hoek format making it useful on accessing values.",
   "main": "lib/index.js",
   "scripts": {

test/purdy.js

@@ -25,7 +25,7 @@ describe('Purdy', () => {
 
             const error = new Error('plain error');
             const out = Purdy.stringify(error);
-            expect(out).to.equal('\u001b[31m[Error: plain error]\u001b[39m');
+            expect(out).to.match(/\[31mError: plain error/);
             done();
         });
 
@@ -34,7 +34,7 @@ describe('Purdy', () => {
             const error = new Error();
             error.murray = 'rothbard';
             const out = Purdy.stringify(error);
-            expect(out).to.equal('{ \u001b[31m[Error]\u001b[39m\n    \u001b[1m\u001b[37mmurray\u001b[39m\u001b[22m: \u001b[33m\'rothbard\'\u001b[39m\n}');
+            expect(out).to.match(/31mError[^]*murray: 'rothbard'/);
             done();
         });
 
@@ -43,19 +43,20 @@ describe('Purdy', () => {
             const error = new Error('error with properties');
             error.code = 'BAD';
             const out = Purdy.stringify(error);
-            expect(out).to.equal('{ \u001b[31m[Error: error with properties]\u001b[39m\n    \u001b[1m\u001b[37mcode\u001b[39m\u001b[22m: \u001b[33m\'BAD\'\u001b[39m\n}');
+            expect(out).to.match(/31mError: error with properties[^]*code: 'BAD'/);
             done();
         });
 
         it('should display an error with detail', (done) => {
 
             const error = new Error('some bad, bad error');
             error.withKey = 'key';
+            error.withMore = 'more';
             const obj = {
                 theError: error
             };
             const out = Purdy.stringify(obj, { depth: null });
-            expect(out).to.equal('{\n    \u001b[1m\u001b[37mtheError\u001b[39m\u001b[22m: { \u001b[31m[Error: some bad, bad error]\u001b[39m\n        \u001b[1m\u001b[37mwithKey\u001b[39m\u001b[22m: \u001b[33m\'key\'\u001b[39m\n    }\n}');
+            expect(out).to.match(/theError[^]*: { [^]*31mError: some bad, bad error[^]*withKey: 'key'[^]*withMore: 'more'/);
             done();
         });
     });