feat: Add support for $eq query constraint in LiveQuery

spec/QueryTools.spec.js

@@ -125,6 +125,35 @@ describe('matchesQuery', function () {
  expect(matchesQuery(obj, q)).toBe(false);
  });
 
+ it('matches queries with eq constraint', function () {
+ const obj = {
+ objectId: 'Person2',
+ score: 12,
+ name: 'Tom',
+ };
+
+ const q1 = {
+ objectId: {
+ $eq: 'Person2',
+ },
+ };
+
+ const q2 = {
+ score: {
+ $eq: 12,
+ },
+ };
+
+ const q3 = {
+ name: {
+ $eq: 'Tom',
+ },
+ };
+ expect(matchesQuery(obj, q1)).toBe(true);
+ expect(matchesQuery(obj, q2)).toBe(true);
+ expect(matchesQuery(obj, q3)).toBe(true);
+ });
+
  it('matches on equality queries', function () {
  const day = new Date();
  const location = new Parse.GeoPoint({

src/LiveQuery/QueryTools.js

@@ -247,6 +247,11 @@ function matchesKeyConstraints(object, key, constraints) {
  return false;
  }
  break;
+ case '$eq':
+ if (!equalObjects(object[key], compareTo)) {
+ return false;
+ }
+ break;
  case '$ne':
  if (equalObjects(object[key], compareTo)) {
  return false;