Separated parser class nodes and began writing compile methods

app/imports/parser/parseTree/OperatorNode.js

@@ -0,0 +1,11 @@
+import ParseNode from '/imports/parser/parseTree/ParseNode.js';
+
+export default class OperatorNode extends ParseNode {
+  constructor({left, right, operator, fn}) {
+		super();
+    this.left = left;
+    this.right = right;
+    this.fn = fn;
+    this.operator = operator;
+  }
+}