graphql-paper/operations/remove.js

A flexible in-memory store based on a GraphQL Schema

'use strict';

var getDocumentKey = require('../document/get-document-key.js');
function removeOperation(context, keyOrDocument) {
  const {
    store
  } = context;
  const key = getDocumentKey.getDocumentKey(keyOrDocument);
  let document;
  Object.entries(store).forEach(([type, documents]) => {
    const found = documents.find(document => getDocumentKey.getDocumentKey(document) === key);
    if (found) {
      store[type] = documents.filter(document => document !== found);
      document = found;
    }
  });
  if (!document) {
    throw new Error(`Could not find document with ${key} to remove`);
  }
  return document;
}
exports.removeOperation = removeOperation;
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