| "use strict"; |
| |
| const _ = require("lodash"); |
| const atRuleParamIndex = require("../../utils/atRuleParamIndex"); |
| const report = require("../../utils/report"); |
| const ruleMessages = require("../../utils/ruleMessages"); |
| const validateOptions = require("../../utils/validateOptions"); |
| const valueParser = require("postcss-value-parser"); |
| |
| const ruleName = "media-feature-parentheses-space-inside"; |
| |
| const messages = ruleMessages(ruleName, { |
| expectedOpening: 'Expected single space after "("', |
| rejectedOpening: 'Unexpected whitespace after "("', |
| expectedClosing: 'Expected single space before ")"', |
| rejectedClosing: 'Unexpected whitespace before ")"' |
| }); |
| |
| const rule = function(expectation, options, context) { |
| return (root, result) => { |
| const validOptions = validateOptions(result, ruleName, { |
| actual: expectation, |
| possible: ["always", "never"] |
| }); |
| |
| if (!validOptions) { |
| return; |
| } |
| |
| root.walkAtRules(/^media$/i, atRule => { |
| // If there are comments in the params, the complete string |
| // will be at atRule.raws.params.raw |
| const params = _.get(atRule, "raws.params.raw", atRule.params); |
| const indexBoost = atRuleParamIndex(atRule); |
| const violations = []; |
| |
| const parsedParams = valueParser(params).walk(node => { |
| if (node.type === "function") { |
| const len = valueParser.stringify(node).length; |
| |
| if (expectation === "never") { |
| if (node.before === " ") { |
| if (context.fix) node.before = ""; |
| |
| violations.push({ |
| message: messages.rejectedOpening, |
| index: node.sourceIndex + 1 + indexBoost |
| }); |
| } |
| |
| if (node.after === " ") { |
| if (context.fix) node.after = ""; |
| |
| violations.push({ |
| message: messages.rejectedClosing, |
| index: node.sourceIndex - 2 + len + indexBoost |
| }); |
| } |
| } else if (expectation === "always") { |
| if (node.before === "") { |
| if (context.fix) node.before = " "; |
| |
| violations.push({ |
| message: messages.expectedOpening, |
| index: node.sourceIndex + 1 + indexBoost |
| }); |
| } |
| |
| if (node.after === "") { |
| if (context.fix) node.after = " "; |
| |
| violations.push({ |
| message: messages.expectedClosing, |
| index: node.sourceIndex - 2 + len + indexBoost |
| }); |
| } |
| } |
| } |
| }); |
| |
| if (violations.length) { |
| if (context.fix) { |
| atRule.params = parsedParams.toString(); |
| |
| return; |
| } |
| |
| violations.forEach(err => { |
| report({ |
| message: err.message, |
| node: atRule, |
| index: err.index, |
| result, |
| ruleName |
| }); |
| }); |
| } |
| }); |
| }; |
| }; |
| |
| rule.ruleName = ruleName; |
| rule.messages = messages; |
| module.exports = rule; |