Typescript all the parser things

app/imports/api/engine/computation/buildComputation/linkCalculationDependencies.js

@@ -1,4 +1,4 @@
-import { traverse } from '/imports/parser/resolve';
+import traverse from '/imports/parser/traverse';
 
 export default function linkCalculationDependencies(dependencyGraph, prop, { propsById }) {
   prop._computationDetails.calculations.forEach(calcObj => {

app/imports/api/engine/computation/buildComputation/parseCalculationFields.js

@@ -125,6 +125,6 @@ function parseCalculation(calcObj) {
       message: prettifyParseError(e),
     };
     calcObj.parseError = error;
-    calcObj.parseNode = errorNode.create({ error });
+    calcObj.parseNode = errorNode.create({ error: error.message });
   }
 }