Separated parser class nodes and began writing compile methods

app/imports/parser/parseTree/ConstantNode.js

@@ -0,0 +1,21 @@
+import ParseNode from '/imports/parser/parseTree/ParseNode.js';
+
+export default class ConstantNode extends ParseNode {
+  constructor({value, type, errors}){
+		super();
+    // string, number, boolean, numberArray, uncompiledNode
+    this.type = type;
+    this.value = value;
+    if (errors) this.errors = errors;
+  }
+  compile(){
+    return this;
+  }
+  reduce(){
+    if (this.type === 'numberArray'){
+	    return this.value.reduce((total, num) => total + num, 0);
+		} else {
+			return this;
+		}
+  }
+}