stylelint/src/rules/property-no-vendor-prefix/index.js

Modern CSS linter

import {
  isAutoprefixable,
  report,
  ruleMessages,
  validateOptions,
} from "../../utils"

export const ruleName = "property-no-vendor-prefix"

export const messages = ruleMessages(ruleName, {
  rejected: property => `Unexpected vendor-prefix "${property}"`,
})

export default function (actual) {
  return (root, result) => {
    const validOptions = validateOptions(result, ruleName, { actual })
    if (!validOptions) { return }

    root.walkDecls(decl => {
      const { prop } = decl

      // Make sure there's a vendor prefix,
      // but this isn't a custom property
      if (prop[0] !== "-" || prop[1] === "-") { return }

      if (!isAutoprefixable.property(prop)) { return }
      report({
        message: messages.rejected(prop),
        node: decl,
        result,
        ruleName,
      })
    })
  }
}