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$elemMatch behavior mismatch with MongoDB

See original GitHub issue

Similar to #227, there seems to be another mismatch for $elemMatch compared to MongoDB behavior.

Specifying $elemMatch as a string is handled by sift when it should not be.

  it("should not handle $elemMatch with string value", () => {
      sift({ responsible: { $elemMatch: "Poyan" } })({
        responsible: ["Poyan", "Marcus"],

// --> test case fails, sift called with test-data returns true

Attempting to run the same query against MongoDB returns $elemMatch needs an Object, which is also what the documentation specifies.

Please advise.

Issue Analytics

  • State:closed
  • Created 2 years ago
  • Comments:6 (4 by maintainers)

github_iconTop GitHub Comments

crcncommented, Jul 28, 2021

This makes more sense, but I think it would be more consistent if it threw an error, like #227 does and like MongoDB does. What do you think? @crcn

Yes good idea 👍

crcncommented, Jul 28, 2021

of course!

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