3 const _ = require("lodash");
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 = "value-list-max-empty-lines";
11 const messages = ruleMessages(ruleName, {
13 `Expected no more than ${max} empty ${max === 1 ? "line" : "lines"}`
16 const rule = function(max) {
17 const maxAdjacentNewlines = max + 1;
19 return (root, result) => {
20 const validOptions = validateOptions(result, ruleName, {
28 root.walkDecls(decl => {
29 const value = decl.value;
30 const repeatLFNewLines = _.repeat("\n", maxAdjacentNewlines);
31 const repeatCRLFNewLines = _.repeat("\r\n", maxAdjacentNewlines);
33 styleSearch({ source: value, target: "\n" }, match => {
35 value.substr(match.startIndex + 1, maxAdjacentNewlines) ===
37 value.substr(match.startIndex + 1, maxAdjacentNewlines * 2) ===
40 // Put index at `\r` if it's CRLF, otherwise leave it at `\n`
41 let index = match.startIndex;
42 if (value[index - 1] === "\r") {
47 message: messages.expected(max),
59 rule.ruleName = ruleName;
60 rule.messages = messages;
61 module.exports = rule;