added unit testing, and started implementing unit tests...phew

node_modules/logform/simple.js

@@ -0,0 +1,33 @@
+/* eslint no-undefined: 0 */
+'use strict';
+
+const format = require('./format');
+const { MESSAGE } = require('triple-beam');
+const jsonStringify = require('fast-safe-stringify');
+
+/*
+ * function simple (info)
+ * Returns a new instance of the simple format TransformStream
+ * which writes a simple representation of logs.
+ *
+ *    const { level, message, splat, ...rest } = info;
+ *
+ *    ${level}: ${message}                            if rest is empty
+ *    ${level}: ${message} ${JSON.stringify(rest)}    otherwise
+ */
+module.exports = format(info => {
+  const stringifiedRest = jsonStringify(Object.assign({}, info, {
+    level: undefined,
+    message: undefined,
+    splat: undefined
+  }));
+
+  const padding = info.padding && info.padding[info.level] || '';
+  if (stringifiedRest !== '{}') {
+    info[MESSAGE] = `${info.level}:${padding} ${info.message} ${stringifiedRest}`;
+  } else {
+    info[MESSAGE] = `${info.level}:${padding} ${info.message}`;
+  }
+
+  return info;
+});