11.0.1

@metamask/eslint-config

Fixed

• Enable function expressions again (#258)
  • We didn't realize this rule would disallow class methods, even class constructors. This was too disruptive.

@metamask/eslint-config-nodejs

Fixed

• Disable import/no-nodejs-modules in Node.js config (#257)
  • This rule was added to the base config, but we accidentally forgot to disable it here.

11.0.0

@metamask/eslint-config

Added

• BREAKING: Enable id-denylist and id-length in base config (#200)
• BREAKING: Add rules for hybrid Node.js and browser environments (#242)
  • The base config now only allows globals and modules that are available in both Node.js and browsers.
  • This adds a new @metamask/eslint-config-browser package, to be used in browser-only environments.
  • The @metamask/eslint-config-nodejs package has been updated to allow Node.js-only globals and modules.

Changed

• BREAKING: Remove no-undef in favour of custom environments configuration (#254)
• BREAKING: Bump all ESLint dependencies to the latest version (#252)
  • This includes peer dependencies.
• BREAKING: Automatically sort imports (#248)
• BREAKING: Disable more undesired syntax (#207)
  • This disables the with statement, function expressions, and the in operator.

@metamask/eslint-config-browser

Added

• Initial release of this package.

@metamask/eslint-config-jest

Changed

• BREAKING: Bump all ESLint dependencies to the latest version (#252)
  • This includes peer dependencies.

@metamask/eslint-config-mocha

Changed

• BREAKING: Bump all ESLint dependencies to the latest version (#252)
  • This includes peer dependencies.

@metamask/eslint-config-nodejs

Changed

• BREAKING: Remove no-undef in favour of custom environments configuration (#254)
  • This config now only allows globals that are available in Node.js.
• BREAKING: Bump all ESLint dependencies to the latest version (#252)
  • This includes peer dependencies.

@metamask/eslint-config-typescript

Added

• BREAKING: Add rules that require type information (#250)
  • This requires setting some parser options. See the README for more details.
• BREAKING: Bump all ESLint dependencies to the latest version (#252)
  • This includes peer dependencies.
• BREAKING: Forbid TypeScript's private modifier in favour of hash names (#244)

10.0.0

@metamask/eslint-config

Changed

• (BREAKING) Update ESLint from v7 to v8 (#233)
  • This is breaking because eslint is a peerDependency.
  • Four new rules have been added:
    • no-loss-of-precision
    • no-nonoctal-decimal-escape
    • no-unsafe-optional-chaining
    • no-useless-backreference
• (BREAKING) Update eslint-plugin-prettier from v3 to v4 (#231)
  • This is breaking beacuse eslint-plugin-prettier is a peerDependency.
• (BREAKING) Update minimium Node.js version to v14 (#225)
• Ignore rest siblings for no-unused-vars (#213)
  • This makes the no-unused-vars rule more permissive

@metamask/eslint-config-jest

Changed

• (BREAKING) Update ESLint from v7 to v8 (#233)
  • This is breaking because eslint is a peerDependency.
  • Four new rules have been added:
    • no-loss-of-precision
    • no-nonoctal-decimal-escape
    • no-unsafe-optional-chaining
    • no-useless-backreference
• (BREAKING) Bump eslint-plugin-jest to ^26.x (#228)
  • This is breaking because eslint-plugin-jest is a peerDependency
  • The rule jest/prefer-to-be has replaced the old rules jest/prefer-to-be-null and jest/prefer-to-be-undefined. This is breaking because it is more broadly applicable than the two it replaces, and may force us to use toBe for all primatives (over toBeEqual or equivalent).
  • Two rules were renamed (jest/valid-describe => jest/valid-describe-callback, and jest/lowercase-name => jest/prefer-lowercase-title)
• (BREAKING) Update minimium Node.js version to v14 (#225)

@metamask/eslint-config-mocha

Changed

• (BREAKING) Update ESLint from v7 to v8 (#233)
  • This is breaking because eslint is a peerDependency.
  • Four new rules have been added:
    • no-loss-of-precision
    • no-nonoctal-decimal-escape
    • no-unsafe-optional-chaining
    • no-useless-backreference
• (BREAKING) Update eslint-plugin-mocha from v8 to v10 (#232)
  • This is breaking because eslint-plugin-mocha is a peerDependency.
  • The rule mocha/no-empty-description was added.
• (BREAKING) Update minimium Node.js version to v14 (#225)
• Update Mocha ecmaVersion (#218)
  • This lets us use newer JavaScript features in our Mocha tests.

@metamask/eslint-config-nodejs

Changed

• (BREAKING) Update ESLint from v7 to v8 (#233)
  • This is breaking because eslint is a peerDependency.
  • Four new rules have been added:
    • no-loss-of-precision
    • no-nonoctal-decimal-escape
    • no-unsafe-optional-chaining
    • no-useless-backreference
• (BREAKING) Update minimium Node.js version to v14 (#225)

@metamask/eslint-config-typescript

Changed

• (BREAKING) Update ESLint from v7 to v8 (#233)
  • This is breaking because eslint is a peerDependency.
  • Four new rules have been added:
    • no-loss-of-precision
    • no-nonoctal-decimal-escape
    • no-unsafe-optional-chaining
    • no-useless-backreference
• (BREAKING) Update @typescript-eslint parser and plugin (#230)
  • This is breaking because these two packages are peerDependencies
  • There are two new rules:
    • @typescript-eslint/no-loss-of-precision
    • @typescript-eslint/no-unnecessary-type-constraint.
• (BREAKING) Update minimium Node.js version to v14 (#225)
• (BREAKING) Forbid TypeScript interfaces (#216)
• Ignore rest siblings for no-unused-vars (#213)
  • This makes the no-unused-vars rule more permissive

9.0.1

@metamask/eslint-config-typescript

Changed

• Disable @typescript-eslint/no-throw-literal (#210)
  • The introduction of this rule was one of the two breaking changes in the previous release. It was included unintentionally, and has now been removed to make updating to v9 easier.

9.0.0

@metamask/eslint-config

Added

• BREAKING Add JSDoc ESLint rules (#203)

@metamask/eslint-config-jest

Added

• BREAKING Add JSDoc ESLint rules (#203)

@metamask/eslint-config-mocha

Added

• BREAKING Add JSDoc ESLint rules (#203)

@metamask/eslint-config-nodejs

Added

• BREAKING Add JSDoc ESLint rules (#203)

@metamask/eslint-config-typescript

Added

• BREAKING Add JSDoc ESLint rules (#203)

8.0.0

@metamask/eslint-config

Changed

• (BREAKING) Require newlines between multiline blocks and expressions (#197)

@metamask/eslint-config-jest

@metamask/eslint-config-mocha

@metamask/eslint-config-nodejs

@metamask/eslint-config-typescript

7.0.1

@metamask/eslint-config

Fixed

• Restore default parserOptions (#193)
  • By extending the recommended eslint-plugin-import rules, we accidentally changed the default parserOptions.sourceType to module.
    The sourceType is now explicitly set to script.
  • In some cases, parserOptions.ecmaVersion could also be set to an incorrect version.
    The ecmaVersion is now explicitly set to 2017, matching the corresponding setting in env.

@metamask/eslint-config-nodejs

Fixed

• Restore default parserOptions (#193)
  • By extending the recommended eslint-plugin-import rules, we accidentally changed the default parserOptions.sourceType to module.
    The sourceType is now explicitly set to script.
  • In some cases, parserOptions.ecmaVersion could also be set to an incorrect version.
    The ecmaVersion is now explicitly set to 2017, matching the corresponding setting in env.

@metamask/eslint-config-typescript

Fixed

• Restore default parserOptions.ecmaVersion (#193)
  • In some cases, parserOptions.ecmaVersion could be set to an incorrect version.
    The ecmaVersion is now explicitly set to 2020, matching the corresponding setting in env.

7.0.0

@metamask/eslint-config

Changed

• (BREAKING) Update Prettier quoteProps rule to as-needed (#181)
• (BREAKING) Update ESLint no-shadow config (#168)
• Use recommended eslint-plugin-import rule sets (#184)
  • This only removed or disabled rules, and is not breaking.
• Update install instructions in readme (#185)
• Normalize rule config values (#169)

@metamask/eslint-config-jest

Changed

• Update install instructions in readme (#185)

Fixed

• Add @metamask/eslint-config as a peer dependency (#186)
  • This package is designed to be used in conjunction with the MetaMask base ESLint config, so this should always have been a peer dependency.

@metamask/eslint-config-mocha

Changed

• Update install instructions in readme (#185)

Fixed

• Add @metamask/eslint-config as a peer dependency (#186)
  • This package is designed to be used in conjunction with the MetaMask base ESLint config, so this should always have been a peer dependency.

@metamask/eslint-config-nodejs

Changed

• Update install instructions in readme (#185)

Fixed

• Add @metamask/eslint-config as a peer dependency (#186)
  • This package is designed to be used in conjunction with the MetaMask base ESLint config, so this should always have been a peer dependency.

@metamask/eslint-config-typescript

Changed

• (BREAKING) Update @typescript/no-shadow config (#168)
• Use recommended eslint-plugin-import rule sets (#184)
  • This only removed or disabled rules, and is not breaking.
• Update install instructions in readme (#185)

Fixed

• Add @metamask/eslint-config as a peer dependency (#186)
  • This package is designed to be used in conjunction with the MetaMask base ESLint config, so this should always have been a peer dependency.

6.0.0

(BREAKING) All configs are now published as separate packages, and must be extended by referencing their package names:

• @metamask/eslint-config (the base config)
• @metamask/eslint-config-jest
• @metamask/eslint-config-mocha
• @metamask/eslint-config-nodejs
• @metamask/eslint-config-typescript

See individual package changelogs for their specific changes:

• @metamask/eslint-config
• @metamask/eslint-config-jest
• @metamask/eslint-config-mocha
• @metamask/eslint-config-nodejs
• @metamask/eslint-config-typescript

5.0.0

Changed

• BREAKING: Enable semi in base config (#101)
• BREAKING: Disallow spaces before parentheses of named functions (#101)
• BREAKING: Upgrade to TypeScript v4 and corresponding @typescript-eslint dependencies (#79, #80, #103)