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b76acd3f42
Summary: Fixes a regression in https://github.com/facebook/react-native/commit/1f8b46a2fc191e2899735fbdcdbb535a91b63724. The internal subscription vendor uses a sparse array to track listeners, which makes listener removal fast. When querying listeners, the sparse entries need to be removed. `Array#filter` is a built-in way to do this -> linked to the JS spec, which explains this. [General] [Fixed] - Fixed sparse array handling in `EventEmitter#listeners()` Pull Request resolved: https://github.com/facebook/react-native/pull/24546 Differential Revision: D15044790 Pulled By: cpojer fbshipit-source-id: 0f1301618739357b4a0f5378b9584efe74f0f09a