New rules

• Add unicorn/string-content rule (#439) 5a22b77
• Add unicorn/prevent-abbreviations rule ba4efc9
  This rule enforces more readable code by preventing the use of certain abbreviations in favor of the full word. Not everyone knows all abbreviations. Saving a few characters are not worth making your code less readable. List of abbreviations XO prevents.

Improvements

• Add webpack option (#375) f656ee3
• Get extensions and ignores from config files (#436) 0d63c64

v0.27.2...v0.28.0

• Sort file paths before generating unique cache key (#432) 1807537

v0.27.1...v0.27.2

• Various fixes to TypeScript integration (#431) 0ea5dbb

Important: We changed the cache structure, so you'll need to delete node_modules/.cache/xo:

$ rm node_modules/.cache/xo

v0.27.0...v0.27.1

• Add TypeScript support (#426) b0dfcbd
  You can now lint TypeScript projects without any extra config. You can also lint d.ts files in JS projects. Read more.
• Find XO config based on linted file path (#425) e0f81a7
• Fix overrides handling for extends, envs, globals, plugins (#429) 4cefdbc
• Add node/no-unsupported-features rules (#341) 2297c07
• Improve import/no-unassigned-import settings (#430) 0c78113

v0.26.1...v0.27.0

• Use new eslint-config-prettier override (#422) 9fbdb97

v0.26.0...v0.26.1

Breaking

• Require Node.js 10 d7fa875
• Move $ xo --init to $ npm init xo 6463dfe

New rules

20 new rules 👌

ESLint

• default-param-last
• function-call-argument-newline
• grouped-accessor-pairs
• no-constructor-return
• no-dupe-else-if
• no-import-assign
• no-setter-return
• no-useless-catch
• prefer-exponentiation-operator
• prefer-named-capture-group
• prefer-object-spread
• prefer-regex-literals

Unicorn

• unicorn/prefer-modern-dom-apis
• unicorn/prefer-negative-index
• unicorn/prefer-replace-all
• unicorn/prefer-string-slice
• unicorn/prefer-trim-start-end

Other

• node/prefer-global/url-search-params
• node/prefer-global/url
• promise/prefer-await-to-then

Enhancements

• Set the es2020 environment by default eb5ea2c

Fixes

• Fix compatibility with being run in a child process (#405) 08af7c1

v0.25.3...v0.26.0

• Temporarily disable the import/order rule 776927f

v0.25.3...v0.25.4

• Enable unicorn/prefer-flat-map only for Node.js >=11 (#403) 80c592e

v0.25.2...v0.25.3

• Disable no-nested-ternary rule when Prettier is used (#402) 537ef66

v0.25.1...v0.25.2

• Don't report normal TODO comments as errors 4378e83

v0.25.0...v0.25.1