Category: Stylelint less

Stylelint less

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A collection of SCSS specific linting rules for stylelint in a form of a plugin. Moreover, it introduces some specific rules that can be used to lint SCSS, e. Yet stylelint is in general focused on standard CSS. That said, the rules from this plugin can be used with other syntaxes, like Less or some PostCSS syntaxes. That's why the rules' names are not tied to SCSS only at-function-pattern instead of scss-function-pattern. The plugin follows stylelint's guidelines about rule namestesting and so on.

Create the.

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All rules from stylelint-scss need to be namespaced with scss. Please refer to stylelint docs for the detailed info on using this linter. Here are stylelint-scss' rules, grouped by the thing they apply to just like in stylelint.

Please also see the example configs for special cases. There work on the plugin's rules is still in progress, so if you feel like it, you're welcome to help out in any of these the plugin follows stylelint guidelines so most part of this is based on its docs :. We communicate via issues and pull requests. There is also stackoverflowwhich would be the preferred QA forum.

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Git github. Need private packages and team management tools? Purpose stylelint by itself supports SCSS syntax very well as well as other preprocessors' syntaxes. Installation and usage stylelint-scss is a plugin for stylelintso it's meant to be used with it. First, install stylelint-scss and stylelint, if you haven't done so yet via NPM: npm install stylelint stylelint-scss Create the. Keywords css csslint lint linter stylelint stylelint-plugin. Install npm i stylelint-scss Downloads Weekly DownloadsVersion 3.

License MIT. Unpacked Size kB. Total Files Homepage github. Repository Git github. Last publish 4 days ago. Try on RunKit.

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Report a vulnerability.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. In I was fairly obsessed by getting a 'holy grail' tooling setup configured with Vue in TypeScript and having VS Code to autofix your code on file save in.

Because of an inherent clash with Prettier and ESLint having partly the same aim and similar rule checks, and with Vetur adding more complexity to this particular mix in VS Code. Also when the setup was mostly working, it was rather irritating that you needed to save the file several times in a row.

Because once ESLint found and fixed a set of errors, new errors appeared and it was not advanced enough to run those checks and fixes in a row until all was cleared Evan's workshop Deep Dive with Vue 3.

He told that the official tooling is going to see major overhauling pretty soon, and there will be new features coming in from newer versions of ESLint He also hinted that at this point there is autofix logic written to nearly all of Vue's official Style Guide 's rule checks, which in combination with the upcoming Vue 3. Or at least is making it easier for Vetur and similar plugins to run code checks and fixes by leveraging these new capabilities.

Which meant we could start using ESLint not just as a linter, but also a formattereffectively dropping the need for Prettier in our setups. So finally the path was cleared for getting this setup running! Next up, I'll answer my own question on how to configure this mix. While it's possible Vetur could still be used as a part of this setup, here I've changed to using Stylelint.

There has still been some problems with Stylelint's autofix feature, but is likely to be solved by future updates. Yet I'm still interested in hearing if Vetur would prove useful with or without Stylelint! After Vue CLI 4. Then I've added this section in top of.As front-end development has matured, the use of tools addressing code quality has grown substantially.

This is perhaps most evident when looking at the JavaScript ecosystem. Using a JavaScript linter is now the expected standard for front-end developers to ensure that their code is well structured and consistent.

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In fact, in my recent tooling survey, the vast majority of developers stated that they lint their JavaScript. When it comes to writing CSS, the drive towards using code quality tools has been a little slower, with the majority of developers in that same survey stating that they chose not to use a CSS linter in their workflow. I want to address this shortfall today, looking at one tool in particular that has raised the bar when it comes to linting stylesheets: stylelint.

When CSS linting was first introduced as a concept, it was fairly polarizing. Shortly after CSS Lint was introduced back inI remember reading an article by Matt Wilcox called CSS Lint is harmfulwhich criticized the opinionated nature of some of its rules — a sentiment that was shared by many in the community.

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There are a few reasons why I think stylelint is now the best tool available when it comes to linting your CSS. Firstly, it is completely un-opinionated. That means you can enable as few or as many rules as you like, with a number of its rules giving you options to configure them to your preferences.

Also, it has a huge array of rules available — over in factnot including language specific rules for preprocessor specific syntax. Spending a little time to look through these is invaluable to building up a set of rules that fits how you write your styles. So whether you want to lint preprocessor code or vanilla CSS, stylelint has you covered. Lastly, and perhaps most importantly, its documentation is excellent. Want to see what rules are available? Check out the detailed documentation covering all available rules.

How about some advice on how to contribute a new rule that you might like? They have a great developer guide to help you with that too. The above code shows two different syntax errors. The first error is an invalid hex color. The second is a typo when declaring the display property.

These are pretty basic syntax errors that can get picked up by stylelint using rules such as color-no-invalid-hex and property-no-unknownsaving you the headache of having to find the mistake manually. In CSS, code style preference can be extremely subjective.

All of the rule sets above contain valid CSS, but they are clearly not consistent with one another in style. Use of spacing in each declaration is different and each block is formatted in a slightly different way. This example shows just a few possible ways of formatting CSS. But in reality there are hundreds of subtle variations. Over a whole stylesheet or multiple filesinconsistencies such as these can hinder the readability and maintainability of your code.

This inconsistency becomes more apparent when a project is worked on by multiple developers, as each one might prefer to write their styles in a slightly different way. Stylelint allows you to customize a set of rules to match the way that you, or your team, prefer to format your styles.

Whatever preferences you have, stylelint can check that these rules are being applied consistently across your project. Stylelint has several rules that can help spot this kind of duplication in your code, such as the declaration-block-no-duplicate-properties rule that will catch duplicate properties. It can also be configured to ignore intentional duplication, such as when the same property has been defined to provide a fallback value:.

One commonly accepted best practice that falls into this category would be to throw an error when a certain selector nesting depth is exceeded when writing preprocessor code. The max-nesting-depth rule lets you define your own acceptable nesting depth to check against, meaning that this rule could be useful for any project that uses a preprocessor.

These can be used to enforce your own feature rules when working with your stylesheets. A common example would be if you use a tool like Autoprefixer to automate adding vendor prefixes to your styles. In this scenario, it would be useful to throw a warning or an error if a vendor prefix has been manually added by a developer, as this will help to keep your code clean of unnecessary prefixes that will get added when the tool is subsequently run over unprefixed styles.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I'm using stylelint as a postcss plugin in my webpack config. Further up the chain so being executed after the postcss-loaderI'm also using less-loader. All dependencies are used in their most current versions.

Everything works fine, the linting throws meaningful errors if there are any. It seems that this was once a known issue but should have been fixed with 9.

I can get rid of the camel case error changing the variable to fade-anim-durationbut the second error still remains:. As you're using stylelint as a PostCSS plugin, I believe you'll need to manually set the postcss-loader syntax configuration to postcss-less.

Alternatively, and I recommend this approach, you can use stylelint-webpack-plugin and take advantage of the syntax switching built into stylelint. Learn more. Asked 1 year ago. Active 1 year ago. Viewed times.

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These are the lines in my. I can get rid of the camel case error changing the variable to fade-anim-durationbut the second error still remains: Unexpected unknown at-rule " fade-anim-duration:" at-rule-no-unknown I don't want to have to disable those rules completely just to be able to use LESS variables. Active Oldest Votes. Unfortunately, setting syntax: 'postcss-less' in the loader options didn't change anything.

I'll give the stylelint webpack plugin a try! Turns out I was just stupid and added the parameter in the wronge place of my webpack config I have postcss-loader in there twice in order to execute autoprefixer and cssnano after less-loader and the linting before it. Added it to the first instance in the chain and it works like a charm, thanks!

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Lint your CSS with stylelint

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Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Already on GitHub? Sign in to your account. I think is possible to do it with htmlhint, but currently only supports jshint and csslint, maybe if someone can make a htmlhint rule for stylelint. I'm wondering if there's a way to get stylelint to report this to sublimelinter, although it works great from the command line, it doesn't work actively while typing in sublime.

Have you or anyone else had any luck with that? Also, yisibl thanks for posting this, helped me get started. I published an article which includes both solutions and explains two additional things configuration rules and errors when starting the dev server.

Using the yisibl solution i can't make it works using postcss. If you need to use other postcss tool, not just stylelint, you can use this way:.

This did the trick. There is a documentation somewhere about that? Any idea why? Defining the syntax package break all the plugins. Removing it stylelint will throw errors parsing the html template. I'm using latest versions of all. After trying many things, I got stylelint autofix to work with. Skip to content. Dismiss Join GitHub today GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together.

Sign up. New issue. Jump to bottom. Copy link Quote reply. This comment has been minimized. Sign in to view. Lints vue files but doesn't report to sublime linter Incompatibility with vue-loader and using stylelint as a PostCSS plugin For the record, this is working configuration for webpack: Install: npm i --save-dev stylelint stylelint-processor-html stylelint-config-standard stylelint-webpack-plugin.

Otherwise it will report the following error. This was referenced Aug 3, The line number of the. Any plan for StyleLint? Xotic mentioned this issue Feb 23, If you need to use other postcss tool, not just stylelint, you can use this way: npm i --save postcss postcss-syntax postcss-html. Use it with syntaxes that generate non-CSS output. Not at the moment.The extension uses the stylelint library installed in the opened workspace folder.

If the workspace folder does not provide the stylelint, the extension looks for a global installed stylelint. If not in the global installed stylelint, the extension uses the stylelint embedded in the extension. However, using stylelint embedded in the extension is not recommended. Read the extension installation guide for more details. To prevent both the editor built-in linters [css] [less] [scss] and this extension [stylelint] from reporting essentially the same errors like in the screenshot, disable the built-in ones in User or Workspace setting :.

Once a user follows the stylelint startup guide by creating a configuration file or by editing stylelint. Though it's highly recommended to add a stylelint configuration file to the current workspace folder instead, the following extension settings are also available. Set stylelint configOverrides option. Set stylelint config option.

Note that when this option is enabled, stylelint doesn't load configuration files. Set stylelint customSyntax option. An absolute path to a custom PostCSS-compatible syntax module. Set stylelint reportNeedlessDisables option.

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If truealso report errors for stylelint-disable comments that are not blocking a lint warning. Type: string[] Default: ["css","html","javascript","javascriptreact","less","markdown","postcss","sass","scss","source. Type: "npm" "yarn" "pnpm" Default: "npm".

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Controls the package manager to be used to resolve the stylelint library. This has only an influence if the stylelint library is resolved globally. Valid values are "npm" or "yarn" or "pnpm".


This setting supports the entry source. If set to true all auto-fixable stylelint errors will be fixed on save. You can also selectively enable and disable specific languages using VS Code's language scoped settings. Sign in. Get it now. Copied to clipboard. Type id:stylelint. Optional but recommended setup To prevent both the editor built-in linters [css] [less] [scss] and this extension [stylelint] from reporting essentially the same errors like in the screenshot, disable the built-in ones in User or Workspace setting : "css.

Fix all auto-fixable problems : applies stylelint auto-fix resolutions to all fixable problems.Starting from the current working directory, it looks for the following possible sources:. The search stops when one of these is found, and stylelint uses that object.

You can use the --config or configFile option to short-circuit the search. You can add a filename extension to help your text editor provide syntax checking and highlighting:.

Rules determine what the linter looks for and complains about. There are over rules built into stylelint. No rules are turned on by default and there are no default values. You must explicitly configure each rule to turn it on. The rules property is an object whose keys are rule names and values are rule configurations.

For example:. Many rules provide secondary options for further customization. To set secondary options, use a two-member array. You can use the message secondary option to deliver a custom message when a rule is violated.

Alternately, you can write a custom formatter for maximum control if you need serious customization.

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You can set the default severity level for all rules that do not have a severity specified in their secondary options. For example, you can set the default severity to "warning" :. You'll find more in awesome stylelint.

When one configuration extends another, it starts with the other's properties then adds to and overrides what's there. For example, you can extend the stylelint-config-standard and then change the indentation to tabs and turn off the number-leading-zero rule:.

You can extend an array of existing configurations, with each item in the array taking precedence over the previous item so the second item overrides rules in the first, the third item overrides rules in the first and the second, and so on, the last item overrides everything else.

For example, with stylelint-config-standardthen layer myExtendableConfig on top of that, and then override the indentation rule:. The value of "extends" is a "locater" or an array of "locaters" that is ultimately require d. It can fit whatever format works with Node's require. That means a "locater" can be:. Plugins are rules or sets of rules built by the community that support methodologies, toolsets, non-standard CSS features, or very specific use cases. To use one, add a "plugins" array to your config, containing "locaters" identifying the plugins you want to use.

As with extendsabove, a "locater" can be either a:. Once the plugin is declared, within your "rules" object you'll need to add options for the plugin's rule sjust like any standard rule. Look at the plugin's documentation to know what the rule name should be.

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A "plugin" can provide a single rule or a set of rules. If the plugin you use provides a set, invoke the module in your "plugins" configuration value, and use the rules it provides in "rules". Processors are functions built by the community that hook into stylelint's pipeline, modifying code on its way into stylelint and modifying results on their way out.

We discourage their use in favor of using the built-in syntaxes as processors are incompatible with the autofix feature. To use one, add a "processors" array to your config, containing "locaters" identifying the processors you want to use. As with extendsabove, a "locater" can be either an npm module name, an absolute path, or a path relative to the invoking configuration file. If your processor has options, make that item an array whose first item is the "locator" and second item is the options object.

Processors can also only be used with the CLI and the Node. The PostCSS plugin ignores them. However, this is overridden if ignoreFiles is set.

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