Initial commit

node_modules/stylelint/lib/utils/checkAgainstRule.js

@@ -0,0 +1,31 @@
+/* @flow */
+"use strict"
+
+const Result = require("postcss/lib/result")
+const normalizeRuleSettings = require("../normalizeRuleSettings")
+const rules = require("../rules")
+
+// Useful for third-party code (e.g. plugins) to run a PostCSS Root
+// against a specific rule and do something with the warnings
+module.exports = function (
+  options/*: {
+    ruleName: string,
+    ruleSettings: stylelint$configRuleSettings,
+    root: Object,
+  }*/,
+  callback/*: Function*/
+) {
+  if (!options) throw new Error("checkAgainstRule requires an options object with 'ruleName', 'ruleSettings', and 'root' properties")
+  if (!callback) throw new Error("checkAgainstRule requires a callback")
+  if (!options.ruleName) throw new Error("checkAgainstRule requires a 'ruleName' option")
+  if (!rules[options.ruleName]) throw new Error(`Rule '${options.ruleName}' does not exist`)
+  if (!options.ruleSettings) throw new Error("checkAgainstRule requires a 'ruleSettings' option")
+  if (!options.root) throw new Error("checkAgainstRule requires a 'root' option")
+
+  const settings = normalizeRuleSettings(options.ruleSettings, options.ruleName)
+  if (!settings) { return }
+
+  const tmpPostcssResult = new Result()
+  rules[options.ruleName](settings[0], settings[1])(options.root, tmpPostcssResult)
+  tmpPostcssResult.warnings().forEach(callback)
+}