ESLint v10.1.0 released

Highlights

API Support for Bulk Suppressions

ESLint v10.1.0 introduces API support for the bulk suppressions feature that was previously only available in the CLI.

ESLint API consumers, such as IDEs, can now pass the applySuppressions: true option to the ESLint constructor. With this option, suppressions from the suppressions file are automatically applied to results from ESLint#lintFiles() and ESLint#lintText() methods.

const eslint = new ESLint({
  applySuppressions: true,
// optional, defaults to eslint-suppressions.json
suppressionsLocation: "./config/my-suppressions.json",
});
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Please see the Bulk Suppressions - Usage with the Node.js API section for more details.

Features

• ff4382b feat: apply fix for no-var in TSModuleBlock (#20638) (Tanuj Kanti)
• 0916995 feat: Implement api support for bulk-suppressions (#20565) (Blake Sager)

Bug Fixes

• 2b8824e fix: Prevent no-var autofix when a variable is used before declaration (#20464) (Amaresh S M)
• e58b4bf fix: update eslint (#20597) (renovate[bot])

Documentation

• b7b57fe docs: use correct JSDoc link in require-jsdoc (#20641) (mkemna-clb)
• 58e4cfc docs: add deprecation notice partial (#20639) (Milos Djermanovic)
• 7143dbf docs: update v9 migration guide for @eslint/js usage (#20540) (fnx)
• 035fc4f docs: note that globalReturn applies only with sourceType: "script" (#20630) (Milos Djermanovic)
• e972c88 docs: merge ESLint option descriptions into type definitions (#20608) (Francesco Trotta)
• 7f10d84 docs: Update README (GitHub Actions Bot)
• aeed007 docs: open playground link in new tab (#20602) (Tanuj Kanti)
• a0d1a37 docs: Add AI Usage Policy (#20510) (Nicholas C. Zakas)

Chores

• a9f9cce chore: update dependency eslint-plugin-unicorn to ^63.0.0 (#20584) (Milos Djermanovic)
• 1f42bd7 chore: update prettier to 3.8.1 (#20651) (루밀LuMir)
• c0a6f4a chore: update dependency @eslint/json to ^1.2.0 (#20652) (renovate[bot])
• cc43f79 chore: update dependency c8 to v11 (#20650) (renovate[bot])
• 2ce4635 chore: update dependency @eslint/json to v1 (#20649) (renovate[bot])
• f0406ee chore: update dependency markdownlint-cli2 to ^0.21.0 (#20646) (renovate[bot])
• dbb4c95 chore: remove trunk (#20478) (sethamus)
• c672a2a test: fix CLI test for empty output file (#20640) (kuldeep kumar)
• c7ada24 ci: bump pnpm/action-setup from 4.3.0 to 4.4.0 (#20636) (dependabot[bot])
• 07c4b8b test: fix RuleTester test without test runners (#20631) (Francesco Trotta)
• 079bba7 test: Add tests for isValidWithUnicodeFlag (#20601) (Manish chaudhary)
• 5885ae6 ci: unpin Node.js 25.x in CI (#20615) (Copilot)
• f65e5d3 chore: update pnpm/action-setup digest to b906aff (#20610) (renovate[bot])