| "use strict"; |
| |
| const blurFunctionArguments = require("../../utils/blurFunctionArguments"); |
| const report = require("../../utils/report"); |
| const ruleMessages = require("../../utils/ruleMessages"); |
| const styleSearch = require("style-search"); |
| const validateOptions = require("../../utils/validateOptions"); |
| |
| const ruleName = "color-hex-case"; |
| |
| const messages = ruleMessages(ruleName, { |
| expected: (actual, expected) => `Expected "${actual}" to be "${expected}"` |
| }); |
| |
| const rule = function(expectation, options, context) { |
| return (root, result) => { |
| const validOptions = validateOptions(result, ruleName, { |
| actual: expectation, |
| possible: ["lower", "upper"] |
| }); |
| |
| if (!validOptions) { |
| return; |
| } |
| |
| root.walkDecls(decl => { |
| const declString = blurFunctionArguments(decl.toString(), "url"); |
| const fixPositions = []; |
| |
| styleSearch({ source: declString, target: "#" }, match => { |
| const hexMatch = /^#[0-9A-Za-z]+/.exec( |
| declString.substr(match.startIndex) |
| ); |
| |
| if (!hexMatch) { |
| return; |
| } |
| |
| const hexValue = hexMatch[0]; |
| const hexValueLower = hexValue.toLowerCase(); |
| const hexValueUpper = hexValue.toUpperCase(); |
| const expectedHex = |
| expectation === "lower" ? hexValueLower : hexValueUpper; |
| |
| if (hexValue === expectedHex) { |
| return; |
| } |
| |
| if (context.fix) { |
| fixPositions.unshift({ |
| expectedHex, |
| currentHex: hexValue, |
| startIndex: match.startIndex |
| }); |
| |
| return; |
| } |
| |
| report({ |
| message: messages.expected(hexValue, expectedHex), |
| node: decl, |
| index: match.startIndex, |
| result, |
| ruleName |
| }); |
| }); |
| |
| if (fixPositions.length) { |
| const declProp = decl.prop; |
| const declBetween = decl.raws.between; |
| |
| fixPositions.forEach(function(fixPosition) { |
| // 1 — it's a # length |
| decl.value = replaceHex( |
| decl.value, |
| fixPosition.currentHex, |
| fixPosition.expectedHex, |
| fixPosition.startIndex - declProp.length - declBetween.length - 1 |
| ); |
| }); |
| } |
| }); |
| }; |
| }; |
| |
| function replaceHex(input, searchString, replaceString, startIndex) { |
| const offset = startIndex + 1; |
| const stringStart = input.slice(0, offset); |
| const stringEnd = input.slice(offset + searchString.length); |
| |
| return stringStart + replaceString + stringEnd; |
| } |
| |
| rule.ruleName = ruleName; |
| rule.messages = messages; |
| module.exports = rule; |