3 const blurFunctionArguments = require("../../utils/blurFunctionArguments");
4 const report = require("../../utils/report");
5 const ruleMessages = require("../../utils/ruleMessages");
6 const styleSearch = require("style-search");
7 const validateOptions = require("../../utils/validateOptions");
9 const ruleName = "color-hex-case";
11 const messages = ruleMessages(ruleName, {
12 expected: (actual, expected) => `Expected "${actual}" to be "${expected}"`
15 const rule = function(expectation, options, context) {
16 return (root, result) => {
17 const validOptions = validateOptions(result, ruleName, {
19 possible: ["lower", "upper"]
25 root.walkDecls(decl => {
26 const declString = blurFunctionArguments(decl.toString(), "url");
27 const fixPositions = [];
29 styleSearch({ source: declString, target: "#" }, match => {
30 const hexMatch = /^#[0-9A-Za-z]+/.exec(
31 declString.substr(match.startIndex)
37 const hexValue = hexMatch[0];
38 const hexValueLower = hexValue.toLowerCase();
39 const hexValueUpper = hexValue.toUpperCase();
41 expectation === "lower" ? hexValueLower : hexValueUpper;
43 if (hexValue === expectedHex) {
48 fixPositions.unshift({
51 startIndex: match.startIndex
58 message: messages.expected(hexValue, expectedHex),
60 index: match.startIndex,
66 if (fixPositions.length) {
67 const declProp = decl.prop;
68 const declBetween = decl.raws.between;
70 fixPositions.forEach(function(fixPosition) {
71 // 1 — it's a # length
72 decl.value = replaceHex(
74 fixPosition.currentHex,
75 fixPosition.expectedHex,
76 fixPosition.startIndex - declProp.length - declBetween.length - 1
84 function replaceHex(input, searchString, replaceString, startIndex) {
85 const offset = startIndex + 1;
86 const stringStart = input.slice(0, offset);
87 const stringEnd = input.slice(offset + searchString.length);
89 return stringStart + replaceString + stringEnd;
92 rule.ruleName = ruleName;
93 rule.messages = messages;
94 module.exports = rule;