Initial take on the commands + renderers + cli.

lib/renderers/json.js

@@ -0,0 +1,38 @@
+var circularJson = require('circular-json');
+
+function renderHead() {
+    return '[';
+}
+
+function renderTail() {
+    return ']\n';
+}
+
+function renderData(data) {
+    return stringify(data) + ', ';
+}
+
+function renderError(err) {
+    return stringify(err) + ', ';
+}
+
+function renderEnd(data) {
+    return data ? stringify(data) : '';
+}
+
+// -------------------------
+
+function uncolor(str) {
+    return str.replace(/\x1B\[\d+m/g, '');
+}
+
+function stringify(data) {
+    return uncolor(circularJson.stringify(data, null, '  '));
+}
+
+module.exports.head = renderHead;
+module.exports.tail = renderTail;
+
+module.exports.data = renderData;
+module.exports.error = renderError;
+module.exports.end = renderEnd;