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eslint-plugin-json-format

2.0.1 • Public • Published

eslint-plugin-json-format

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An ESLint plugin to lint, format, auto-fix, and sort your json files.

Features

  • lint, format, and auto-fix json files (files ending with .json or rc)
  • auto-sort package.json files (default true, can be disabled and sorting configured)
  • ignores json-with-comments files (default ["**/.tsconfig.json", ".vscode/**"])
  • ignores certain files by default (default ["**/package-lock.json"])

Installation

You'll first need to install ESLint:

npm install eslint --save-dev

Next, install eslint-plugin-json-format:

npm install eslint-plugin-json-format --save-dev

Usage

Add json-format to the plugins section of your .eslintrc configuration file. You can omit the eslint-plugin- prefix:

{
  "plugins": [
    "json-format"
  ]
}

cli example:

# lint entire poject for js and various json files 
eslint --ext .js,.json,.eslintrc,.babelrc --fix .

Note: In order to lint hidden files (e.g. .eslintrc.json), you'll need to modify/create a .eslintignore in your project root with these contents: .eslintignore:

# eslint ignores hidden files by default
!.*
**/node_modules

Settings

default settings (.eslintrc):

"settings"{
  "json/sort-package-json": "standard",
  "json/ignore-files": ["**/package-lock.json"],
  "json/json-with-comments-files": ["**/tsconfig.json", ".vscode/**"],
}

Note: glob patterns use minimatch against path names relative to the project root (cwd)

sort-package-json order

You can configure the exact sort order of your package.json files (or turn it off entirely with false)

Available sorting options

false: disable package.json sorting.

"standard": default from sort-package-json. This is a sane, standard order.

"pro": places scripts and dependencies at the top, reducing need to scroll down to view them. Pros only.

["your", "custom", "order", "here"]: provide an array to manually set the sort order.

Settings examples

to turn off sorting package.json files for example, in your .eslintrc:

{
  "plugins": [
    "json-format"
  ],
  "settings": {
    "json/sort-package-json": false,
  }
}

to format tsconfig.json (this will strip comments!), in your .eslintrc:

{
  "plugins": [
    "json-format"
  ],
  "settings": {
    "json/json-with-comments-files": [],
  }
}

change the sort order of package.json:

{
  "plugins": [
    "json-format"
  ],
  "settings": {
    "json/package-json-sort-order": ["license", "dependencies"],
  }
}

Editor Configuration

VSCode:

In order for editor integration via the vscode-eslint extension, you'll need to enable linting json files.

settings.json:

// enable eslint fix-on-save
  "eslint.autoFixOnSave"true,
  "eslint.validate"[
    {
      "language": "json",
      "autoFix": true
    },

to auto-format* json-with-comments-files, also add "language": "jsonc" (* will strip comments)

License

MIT

Credits

large amount of code borrowed from eslint-plugin-html

install

npm i eslint-plugin-json-format

Downloadsweekly downloads

3,209

version

2.0.1

license

MIT

homepage

github.com

repository

Gitgithub

last publish

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