ESLint v8.x reached end-of-life on 2024-10-05 and is no longer maintained. Upgrade or consider long-term support options

ESLint v5.0.0-alpha.2 released

We just pushed ESLint v5.0.0-alpha.2, which is a major release upgrade of ESLint. This release adds some new features and fixes several bugs found in the previous release. This release also has some breaking changes, so please read the following closely.

Highlights

This is a summary of the major changes you need to know about for this version of ESLint.

Installing

Since this is a pre-release version, you will not automatically be upgraded by npm. You must specify the next tag when installing:

npm i eslint@next --save-dev

You can also specify the version directly:

npm i eslint@5.0.0-alpha.2 --save-dev

Migration Guide

As there are a lot of changes, we’ve created a migration guide describing the changes in great detail along with the steps you should take to address them. We expect that most users should be able to upgrade without any build changes, but the migration guide should be a useful resource if you encounter problems.

Breaking Changes

Enhancements

  • a82cbea Update: re-enable experimentalObjectRestSpread (fixes #9990) (#10230) (Toru Nagashima)

Bug Fixes

Documentation

Chores

  • 7c2e83a Chore: improve tests and checking for equality (#10182) (Ruben Bridgewater)
  • b32d1f4 Chore: upgrade eslump@1.6.2 (#10258) (薛定谔的猫)
  • 7938bf1 Chore: update eslint-fuzzer ecmaVersion to 2018 (#10255) (薛定谔的猫)
  • a2953ec Chore: small opt to improve readability (#10225) (薛定谔的猫)

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