0-relay-extract-deep-selections.js

function getFieldList(context, asts = context.fieldASTs) {
  //for recursion...Fragments doesn't have many sets...
  if (!Array.isArray(asts)) asts = [asts]

  //get all selectionSets
  var selections = asts.reduce((selections, source) => {
    if(source.selectionSet) {
      selections.push(...source.selectionSet.selections);
    }
    return selections;
  }, []);

  //return fields
  return selections.reduce((list, ast) => {
    switch (ast.kind) {
      case 'Field' :
        if (ast.selectionSet) {
          list[ast.name.value] = getFieldList(context, ast);
        } else {
          list[ast.name.value] = true
        }
        return list;
      case 'InlineFragment':
        return {
          ...list,
          ...getFieldList(context, ast)
        };
      case 'FragmentSpread':
        return {
          ...list,
          ...getFieldList(context, context.fragments[ast.name.value])
        };
      default: 
        throw new Error('Unsuported query selection')
    }
  }, {})
}

1-output.js

{ 
  edges: { 
   node: { 
     id: true, 
     nome: true, 
     idUsuario: true 
   },
   edgeInfo: { 
     status: true, 
     data: true 
   } 
 },
  pageInfo: {
    hasNextPage: true, 
    endCursor: true 
  } 
}