initial commit.

node_modules/json2csv/lib/transforms/flatten.js

@@ -0,0 +1,37 @@
+/**
+ * Performs the flattening of a data row recursively
+ *
+ * @param {String} separator Separator to be used as the flattened field name
+ * @returns {Object => Object} Flattened object
+ */
+function flatten({ objects = true, arrays = false, separator = '.' } = {}) {
+  function step (obj, flatDataRow, currentPath) {
+    Object.keys(obj).forEach((key) => {
+      const newPath = currentPath ? `${currentPath}${separator}${key}` : key;
+      const value = obj[key];
+
+      if (objects
+        && typeof value === 'object'
+        && value !== null
+        && !Array.isArray(value)
+        && Object.prototype.toString.call(value.toJSON) !== '[object Function]'
+        && Object.keys(value).length) {
+        step(value, flatDataRow, newPath);
+        return;
+      }
+
+      if (arrays && Array.isArray(value)) {
+        step(value, flatDataRow, newPath);
+        return;
+      }
+      
+      flatDataRow[newPath] = value;
+    });
+
+    return flatDataRow;
+  }
+
+  return dataRow => step(dataRow, {});
+}
+
+module.exports = flatten;