stylelint-scss/src/rules/dollar-variable-colon-space-before/index.js

A collection of SCSS specific rules for stylelint

import {
  namespace,
  whitespaceChecker,
} from "../../utils"
import { utils } from "stylelint"
import { variableColonSpaceChecker } from "../dollar-variable-colon-space-after"

export const ruleName = namespace("dollar-variable-colon-space-before")

export const messages = utils.ruleMessages(ruleName, {
  expectedBefore: () => "Expected single space before \":\"",
  rejectedBefore: () => "Unexpected whitespace before \":\"",
})

export default function (expectation) {
  const checker = whitespaceChecker("space", expectation, messages)
  return (root, result) => {
    const validOptions = utils.validateOptions(result, ruleName, {
      actual: expectation,
      possible: [
        "always",
        "never",
      ],
    })
    if (!validOptions) { return }

    variableColonSpaceChecker({
      root,
      result,
      locationChecker: checker.before,
      checkedRuleName: ruleName,
    })
  }
}