| "use strict"; |
| |
| const _ = require("lodash"); |
| const isStandardSyntaxAtRule = require("../../utils/isStandardSyntaxAtRule"); |
| const postcss = require("postcss"); |
| const report = require("../../utils/report"); |
| const ruleMessages = require("../../utils/ruleMessages"); |
| const validateOptions = require("../../utils/validateOptions"); |
| |
| const ruleName = "at-rule-whitelist"; |
| |
| const messages = ruleMessages(ruleName, { |
| rejected: name => `Unexpected at-rule "${name}"` |
| }); |
| |
| const rule = function(whitelistInput) { |
| // To allow for just a string as a parameter (not only arrays of strings) |
| const whitelist = [].concat(whitelistInput); |
| |
| return (root, result) => { |
| const validOptions = validateOptions(result, ruleName, { |
| actual: whitelist, |
| possible: [_.isString] |
| }); |
| |
| if (!validOptions) { |
| return; |
| } |
| |
| root.walkAtRules(atRule => { |
| const name = atRule.name; |
| |
| if (!isStandardSyntaxAtRule(atRule)) { |
| return; |
| } |
| |
| if ( |
| whitelist.indexOf(postcss.vendor.unprefixed(name).toLowerCase()) !== -1 |
| ) { |
| return; |
| } |
| |
| report({ |
| message: messages.rejected(name), |
| node: atRule, |
| result, |
| ruleName |
| }); |
| }); |
| }; |
| }; |
| |
| rule.primaryOptionArray = true; |
| |
| rule.ruleName = ruleName; |
| rule.messages = messages; |
| module.exports = rule; |