lukeed / lukeed/dequal

Wrong result with nested sets

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#31 3 comments 1 reaction 0 assignees View on GitHub

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Dominant language
JavaScript
Stars
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Forks
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Description

import { dequal } from 'dequal';

const set1 = new Set([
    new Set([1, 2]),
    new Set([1, 2]),
]);

const set2 = new Set([
    new Set([1, 2]),
    new Set([1, 4]),
]);

console.log('dequal:', dequal(set1, set2)); //true

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  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Run the JavaScript reproduction from the issue and locate the nested Set comparison logic in the dequal source. Add a regression test covering the two Set values shown, then verify that the unequal nested Sets are no longer reported as equal.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript
Domain
tooling
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
55/100

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