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ljharb/es-shim-unscopables

GitHub
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Last release:

es-shim-unscopables is a helper package that adds or shims a method into `Array.prototype[Symbol.unscopables]`. It is useful when you need consistent `Symbol.unscopables` behavior for `with` statements and array prototype methods across environments.

Project status

  • Maintenance status: The upstream repo shows an activity push on 2026-01-13, but the most recent published update in the provided history is v1.1.0 (2025-02-12), with no newer published updates shown up to 2026-06-09, suggesting quiet or maintenance-mode rather than active, frequent maintenance.
  • Update cadence: After v1.1.0 (2025-02-12), the next items in the provided list are v1.0.x from 2023-10-21 and v1.0.0 from 2022-04-11, indicating infrequent updates overall.

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Recent updates

  • v1.1.0

    v1.1.0 introduces TypeScript support and updates project tooling, but the publisher did not provide release notes. The code changes also include a small runtime hardening around writing to Array.prototype[Symbol.unscopables].

    BreakingFeatures
  • v1.0.2

    Release v1.0.2 primarily updates the package metadata and dependency list. The code diff shows the removal of an unused dependency, with no changes to the package’s runtime API surface apparent from the diff.

  • v1.0.1

    Release v1.0.1 was published, but no release notes were provided by the publisher. As a result, there is no documented information about new features, breaking changes, bug fixes, security updates, or dependency updates in this release.

  • v1.0.0

    The release notes for v1.0.0 were not provided, so there is no documented information about new features, breaking changes, bug fixes, or other developer-impacting changes. Without additional release note content, it is not possible to accurately extract upgrade-relevant details from the provided material.