| "use strict"; |
| |
| const _ = require("lodash"); |
| const isStandardSyntaxAtRule = require("../../utils/isStandardSyntaxAtRule"); |
| const keywordSets = require("../../reference/keywordSets"); |
| const optionsMatches = require("../../utils/optionsMatches"); |
| const postcss = require("postcss"); |
| const report = require("../../utils/report"); |
| const ruleMessages = require("../../utils/ruleMessages"); |
| const validateOptions = require("../../utils/validateOptions"); |
| |
| const ruleName = "at-rule-no-unknown"; |
| |
| const messages = ruleMessages(ruleName, { |
| rejected: atRule => `Unexpected unknown at-rule "${atRule}"` |
| }); |
| |
| const rule = function(actual, options) { |
| return (root, result) => { |
| const validOptions = validateOptions( |
| result, |
| ruleName, |
| { actual }, |
| { |
| actual: options, |
| possible: { |
| ignoreAtRules: [_.isString, _.isRegExp] |
| }, |
| optional: true |
| } |
| ); |
| |
| if (!validOptions) { |
| return; |
| } |
| |
| root.walkAtRules(atRule => { |
| if (!isStandardSyntaxAtRule(atRule)) { |
| return; |
| } |
| |
| const name = atRule.name; |
| |
| // Return early if at-rule is to be ignored |
| if (optionsMatches(options, "ignoreAtRules", atRule.name)) { |
| return; |
| } |
| |
| if ( |
| postcss.vendor.prefix(name) || |
| keywordSets.atRules.has(name.toLowerCase()) |
| ) { |
| return; |
| } |
| |
| report({ |
| message: messages.rejected(`@${name}`), |
| node: atRule, |
| ruleName, |
| result |
| }); |
| }); |
| }; |
| }; |
| |
| rule.ruleName = ruleName; |
| rule.messages = messages; |
| module.exports = rule; |