graphql-paper/serialization-deserialization/deserialize-document.js

A flexible in-memory store based on a GraphQL Schema

'use strict';

var createDocument = require('../document/create-document.js');
var getConnections = require('../document/get-connections.js');
var nullDocument = require('../document/null-document.js');
var getDocumentKey = require('../document/get-document-key.js');
function deserializeDocument(serializedDocument, serializedMeta) {
  const documentData = structuredClone(serializedDocument);
  delete documentData.__meta__;
  const document = createDocument.createDocument(serializedDocument.__meta__.DOCUMENT_GRAPHQL_TYPENAME, documentData, serializedDocument.__meta__.DOCUMENT_KEY);
  // copy over connections from serialized document
  const documentConnections = getConnections.getConnections(document);
  const nullDocumentKeyForCurrentPaper = getDocumentKey.getDocumentKey(nullDocument.nullDocument);
  for (const connectionProperty in serializedDocument.__meta__.DOCUMENT_CONNECTIONS) {
    documentConnections[connectionProperty] = serializedDocument.__meta__.DOCUMENT_CONNECTIONS[connectionProperty].map(
    // the null key in the serialized document might be different than the null key used in the current instance,
    // this mapping translates any null serialized null document to use the null document key used by this instance
    documentKey => documentKey === serializedMeta.NULL_DOCUMENT_KEY ? nullDocumentKeyForCurrentPaper : documentKey);
  }
  return document;
}
exports.deserializeDocument = deserializeDocument;
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