fix(deps): update dependency eslint-config-prettier to v8

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
eslint-config-prettier	^5.0.0 -> ^8.0.0

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Release Notes

prettier/eslint-config-prettier

v8.3.0

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• Added: Support for [@​babel/eslint-plugin]. Thanks to Chip Zhang (@​ChipZhang) for the heads-up! ([eslint-plugin-babel] is still supported, too.)

v8.2.0

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• Added: [flowtype/quotes]. Thanks to Martin Zlámal (@​mrtnzlml)!

v8.1.0

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• Added: [flowtype/object-type-curly-spacing].
• Added: Dummy files for the configs removed in 8.0.0. The dummy files throw an error that try to guide you how to upgrade.

v8.0.0

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• Changed: All configs have been merged into one!

  To upgrade, change:

  {
    "extends": [
      "some-other-config-you-use",
      "prettier",
      "prettier/@​typescript-eslint",
      "prettier/babel",
      "prettier/flowtype",
      "prettier/react",
      "prettier/standard",
      "prettier/unicorn",
      "prettier/vue"
    ]
  }

  Into:

  {
    "extends": [
      "some-other-config-you-use",
      "prettier"
    ]
  }

  The "prettier" config now includes not just ESLint core rules, but also rules from all plugins. Much simpler!

  So … what’s the catch? Why haven’t we done this earlier? Turns out it’s just a sad mistake. I (@​lydell) was confused when testing, and thought that turning off unknown rules in a config was an error. Thanks to Georgii Dolzhykov (@​thorn0) for pointing this out!

  If you use [eslint-plugin-prettier], all you need is [plugin:prettier/recommended]:

  {
    "extends": [
      "some-other-config-you-use",
      "plugin:prettier/recommended"
    ]
  }

  (The ["prettier/prettier" config][prettier-prettier-config] still exists separately. It’s the odd one out. The main "prettier" config does not include the rules from it.)

• Changed: The CLI helper tool now only prints warnings for [arrow-body-style] and [prefer-arrow-callback], just like other “special rules.” This means that if you’ve decided to use those rules and [eslint-plugin-prettier] at the same time, you’ll get warnings but exit code zero (success).

v7.2.0

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• Added: [@​typescript-eslint/object-curly-spacing].
• Added: [react/jsx-newline].

v7.1.0

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• Added: [unicorn/empty-brace-spaces]. Thanks to fisker Cheung (@​fisker)!

v7.0.0

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• Changed: At least ESLint 7.0.0 is now required.

• Changed: [arrow-body-style] and [prefer-arrow-callback] are no longer turned off by default. They only need to be turned off if you use [eslint-plugin-prettier]. If you do, add "prettier/prettier" to your "extends" array to turn them off again.

  {
    "extends": ["prettier", "prettier/prettier"],
    "plugins": ["prettier"],
    "rules": {
      "prettier/prettier": "error"
    }
  }

  Alternatively, update [eslint-plugin-prettier] to version 3.2.0 or later which automatically turns off these two rules in its "plugin:prettier/recommended" config.

  The CLI helper tool only warns about these rules if you have the "prettier/prettier" rule enabled for a file.

• Changed: no-tabs is now a validatable rule. If you use it, you should enable allowIndentationTabs so that the rule works regardless of your Prettier config:

  {
    "rules": {
      "no-tabs": ["error", { "allowIndentationTabs": true }]
    }
  }

• Changed: The CLI helper tool is now called just eslint-config-prettier instead of eslint-config-prettier-check. This is so that npx eslint-config-prettier always works regardless of whether you have already installed eslint-config-prettier or not: If you have, the local installation is used; if you haven’t, npx downloads a temporary copy.

• Changed: The CLI helper tool no longer requires you to pipe the output of eslint --print-config to it. Instead, it does that automatically for you via ESLint API:s added in ESLint v7.

  Before:

  npx eslint --print-config index.js | npx eslint-config-prettier-check
  

  After:

  npx eslint-config-prettier index.js
  

• Improved: The npm package is now 75% smaller.

v6.15.0

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• Added: [@​typescript-eslint/space-infix-ops]. Thanks to Masafumi Koba (@​ybiquitous)!

v6.14.0

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• Added: New [eslint-plugin-vue] rules: [vue/array-bracket-newline] and [vue/block-tag-newline]. Thanks to @​xcatliu!

v6.13.0

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• Added: New rules in [eslint-plugin-vue] 7.0 (which supports Vue 3.0). Thanks to @​xcatliu!

v6.12.0

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• Added: [@​typescript-eslint/comma-dangle]. Thanks to Masafumi Koba (@​ybiquitous)!

v6.11.0

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• Added: [@​typescript-eslint/keyword-spacing]. Thanks to Hans Bergren (@​hbergren)!

v6.10.1

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• Improved: Recommend using npx when running the CLI helper tool.
• Updated: Mention that eslint-config-prettier has been tested with Prettier 2.0 and the latest versions of plugins.

v6.10.0

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• Added: [@​typescript-eslint/comma-spacing]. Thanks to Masafumi Koba (@​ybiquitous)!

v6.9.0

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• Added: [vue/max-len]. Thanks to @​xcatliu!

v6.8.0

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• Added: [@​typescript-eslint/no-extra-semi]. Thanks to @​xcatliu!

v6.7.0

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• Added: [@​typescript-eslint/space-before-function-paren]. Thanks to Masafumi Koba (@​ybiquitous)!

v6.6.0

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• Added: New [eslint-plugin-vue] rules: [vue/dot-location] and [vue/keyword-spacing]. Thanks to @​xcatliu!

v6.5.0

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• Added: Support for [excluding deprecated rules]. Thanks to Alex Ilyaev (@​alexilyaev)!

v6.4.0

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• Added: [unicorn/no-nested-ternary]. Thanks to Yang Mingshan (@​yangmingshan)!

v6.3.0

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• Added: [@​typescript-eslint/brace-style]. Thanks to Masafumi Koba (@​ybiquitous)!

v6.2.0

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• Added: [@​typescript-eslint/quotes] (as a [special rule][@​typescript-eslint/quotes-special]). Thanks to Masafumi Koba (@​ybiquitous)!

v6.1.0

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• Added: [function-call-argument-newline] (new in ESLint 6.2.0). Thanks to Masafumi Koba (@​ybiquitous)!

v6.0.0

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• Changed: The CLI helper tool now considers [no-confusing-arrow] to conflict if you use the default value of its allowParens option. The default was changed to true in ESLint 6, which conflicts with Prettier.

  If the CLI helper tool gives you errors about this after upgrading, the solution is to change this:

  {
    "rules": {
      "no-confusing-arrow": ["error"]
    }
  }

  Into this:

  {
    "rules": {
      "no-confusing-arrow": ["error", { "allowParens": false }]
    }
  }

  The latter works in both ESLint 6 as well as in ESLint 5 and older.

• Improved: eslint --print-config usage instructions. The CLI tool help text as well as the documentation has been updated to suggest commands that work in ESLint 6.0 as well as in ESLint 5 and older. (Instead of eslint --print-config ., use eslint --print-config path/to/main.js.)

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