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@alibaba-aero/eslint-plugin-json
Advanced tools
Readme
Lint JSON files
You'll first need to install ESLint:
$ npm i eslint --save-dev
Next, install @alibaba-aero/eslint-plugin-json
:
$ npm install @alibaba-aero/eslint-plugin-json --save-dev
Note: If you installed ESLint globally (using the -g
flag) then you must also install @alibaba-aero/eslint-plugin-json
globally.
Add @alibaba-aero/eslint-plugin-json
to the plugins section of your .eslintrc
configuration file. You can omit the eslint-plugin-
prefix:
{
"plugins": [
"@alibaba-aero/json"
]
}
You can run ESLint on individual JSON files or you can use the --ext
flag to add JSON files to the list.
eslint . --ext .json --ext .js
eslint example.json
Starting from version 1.3, this plugin relies on what VSCode uses for its implementation of JSON validation. This plugin used to use JSHint, however due to the large size of this dependency, it was replaced.
eslint
itself or just JSON.parse
?eslint
's parser is a JavaScript parser. JSON is a stricter subset and things
that are valid JavaScript are not valid JSON. This is why something more specific
is more appropriate.
While JSON.parse
seems ideal, it is not designed to continue after the first error.
So if you have a missing trailing comma in the start of the file, the rest of the file
will go unlinted. A smarter parser that can self-correct after seeing errors is needed
which the VSCode implementation provides by leveraging the
jsonc-parser module.
Now that we have moved to a different implementation for our validation, a lot more things are possible. Optional support for JSON comments, trailing commas and schemas are possible.
Additionally, support for autofixing common errors is also possible.
eslint
really the best tool to lint my JSON?Not really. eslint
plugin interface wasn't designed to lint a completely different language but
its interface is flexible enough to allow it. So this plugin is certainly unusual.
Ideally, your editor would natively supports linting JSON. If it doesn't though, then might as well use this plugin. Hacky linting is better than no linting :)
FAQs
Lint JSON files
The npm package @alibaba-aero/eslint-plugin-json receives a total of 19 weekly downloads. As such, @alibaba-aero/eslint-plugin-json popularity was classified as not popular.
We found that @alibaba-aero/eslint-plugin-json demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 5 open source maintainers collaborating on the project.
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