Getting better control over octorun's output

Author: StanleyGoldman

octorun/src/output.js

@@ -0,0 +1,70 @@
+var endOfLine = require('os').EOL;
+
+var outputResult = function (status, results, errors) {
+    process.stdout.write(status);
+    process.stdout.write(endOfLine);
+
+    if (!results) {
+        process.stdout.write("");
+        process.stdout.write(endOfLine);
+    }
+    else {
+        if (typeof results === 'string') {
+            process.stdout.write(results);
+            process.stdout.write(endOfLine);
+        }
+        else if (Array.isArray(results)) {
+            for (var resultIndex = 0; resultIndex < results.length; resultIndex++) {
+                var result = results[resultIndex];
+                if (typeof result !== 'string') {
+                    throw "Unsupported result output";
+                }
+
+                process.stdout.write(result);
+                process.stdout.write(endOfLine);
+            }
+        }
+
+        throw "Unsupported result output";
+    }
+
+    if (errors) {
+        if (typeof errors === 'string') {
+            process.stdout.write(errors);
+            process.stdout.write(endOfLine);
+        }
+        else if (Array.isArray(errors)) {
+            for (var errorIndex = 0; errorIndex < errors.length; errorIndex++) {
+                var error = errors[errorIndex];
+                if (typeof error !== 'string') {
+                    throw "Unsupported result output";
+                }
+
+                process.stdout.write(error);
+                process.stdout.write(endOfLine);
+            }
+        }
+        else {
+            process.stdout.write(errors);
+            process.stdout.write(endOfLine);
+        }
+    }
+}
+
+var outputSuccess = function (results) {
+    outputResult("success", results);
+}
+
+var outputCustom = function (status, results) {
+    outputResult(status, results);
+}
+
+var outputError = function (errors) {
+    outputResult("error", null, errors);
+}
+
+module.exports = {
+    success: outputSuccess,
+    custom: outputCustom,
+    error: outputError
+};