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@dominicfraser dominicfraser released this 17 Jul 16:06
· 112 commits to main since this release
v14.0.0
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What's Changed

Patch

  • [KOA-6079]: Migrate to Node 18 #552

Breaking

  • [KOA-6213] Update from babel-eslint to @babel/eslint-parser #565

babel-eslint was deprecated on July 31, 2020 in favour of the package from Babel's main monorepo; @babel/eslint-parser.

If using the standard Skyscanner tool chain as described in our Production Standards then for the majority of consumers this will be a patch level change.

However, if your repository is using non-standard presets then some additional configuration may be required.

Upgrade Details

Parser

eslint-config-skyscanner sets

parser: '@babel/eslint-parser',

by default, and overrides this for .ts?(x) files to

parser: '@typescript-eslint/parser',

If you were previous declaring parser explicitly in your eslintrc this will need to be updated, or removed (to inherit the behaviour as above).

Parser Options

For JavaScript eslint-config-skyscanner sets

  parserOptions: {
    requireConfigFile: false,
    babelOptions: {
      presets: ['@babel/preset-react'],
    },
  },

and for .ts?(x)

plugins: ['@typescript-eslint'],

This will not require a Babel config file, but if one is present will use it by default. It includes support for React syntax and TypeScript by default.

If you have extended your project beyond this to non-standard Skyscanner syntax, and this is not in your root Babel config, then you will need to override these settings in your eslintrc for Babel to be able to parse your code while ESLint runs.

https://github.com/babel/babel/tree/main/eslint/babel-eslint-parser#additional-parser-configuration

Full Changelog: v13.2.1...v14.0.0

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