| "use strict"; |
| |
| const _ = require("lodash"); |
| const declarationValueIndex = require("../utils/declarationValueIndex"); |
| const isStandardSyntaxFunction = require("../utils/isStandardSyntaxFunction"); |
| const report = require("../utils/report"); |
| const valueParser = require("postcss-value-parser"); |
| |
| module.exports = function(opts) { |
| opts.root.walkDecls(decl => { |
| const declValue = _.get(decl, "raws.value.raw", decl.value); |
| |
| let hasFixed; |
| const parsedValue = valueParser(declValue); |
| |
| parsedValue.walk(valueNode => { |
| if (valueNode.type !== "function") { |
| return; |
| } |
| |
| if (!isStandardSyntaxFunction(valueNode)) { |
| return; |
| } |
| |
| // Ignore `url()` arguments, which may contain data URIs or other funky stuff |
| if (valueNode.value.toLowerCase() === "url") { |
| return; |
| } |
| |
| const argumentStrings = valueNode.nodes.map(node => |
| valueParser.stringify(node) |
| ); |
| |
| const functionArguments = (() => { |
| // Remove function name and parens |
| let result = |
| valueNode.before + argumentStrings.join("") + valueNode.after; |
| |
| // 1. Remove comments including preceeding whitespace (when only succeeded by whitespace) |
| // 2. Remove all other comments, but leave adjacent whitespace intact |
| result = result.replace( |
| /( *\/(\*.*\*\/(?!\S)|\/.*)|(\/(\*.*\*\/|\/.*)))/, |
| "" |
| ); |
| |
| return result; |
| })(); |
| |
| /** |
| * Gets the index of the comma for checking. |
| * @param {Node} commaNode The comma node |
| * @param {number} nodeIndex The index of the comma node |
| * @returns {number} The index of the comma for checking |
| */ |
| function getCommaCheckIndex(commaNode, nodeIndex) { |
| let commaBefore = |
| valueNode.before + |
| argumentStrings.slice(0, nodeIndex).join("") + |
| commaNode.before; |
| |
| // 1. Remove comments including preceeding whitespace (when only succeeded by whitespace) |
| // 2. Remove all other comments, but leave adjacent whitespace intact |
| commaBefore = commaBefore.replace( |
| /( *\/(\*.*\*\/(?!\S)|\/.*)|(\/(\*.*\*\/|\/.*)))/, |
| "" |
| ); |
| |
| return commaBefore.length; |
| } |
| |
| const commaDataList = []; |
| |
| valueNode.nodes.forEach((node, nodeIndex) => { |
| if (node.type !== "div" || node.value !== ",") { |
| return; |
| } |
| |
| const checkIndex = getCommaCheckIndex(node, nodeIndex); |
| |
| commaDataList.push({ |
| commaNode: node, |
| checkIndex, |
| nodeIndex |
| }); |
| }); |
| |
| for (const { commaNode, checkIndex, nodeIndex } of commaDataList) { |
| opts.locationChecker({ |
| source: functionArguments, |
| index: checkIndex, |
| err: message => { |
| const index = |
| declarationValueIndex(decl) + |
| commaNode.sourceIndex + |
| commaNode.before.length; |
| |
| if (opts.fix && opts.fix(commaNode, nodeIndex, valueNode.nodes)) { |
| hasFixed = true; |
| |
| return; |
| } |
| |
| report({ |
| index, |
| message, |
| node: decl, |
| result: opts.result, |
| ruleName: opts.checkedRuleName |
| }); |
| } |
| }); |
| } |
| }); |
| |
| if (hasFixed) { |
| if (!decl.raws.value) { |
| decl.value = parsedValue.toString(); |
| } else { |
| decl.raws.value.raw = parsedValue.toString(); |
| } |
| } |
| }); |
| }; |