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 = "function-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 if (decl.value.indexOf("(") === -1) {
33 const declString = decl.toString();
34 const repeatLFNewLines = _.repeat("\n", maxAdjacentNewlines);
35 const repeatCRLFNewLines = _.repeat("\r\n", maxAdjacentNewlines);
41 functionArguments: "only"
45 declString.substr(match.startIndex + 1, maxAdjacentNewlines) ===
47 declString.substr(match.startIndex + 1, maxAdjacentNewlines * 2) ===
50 // Put index at `\r` if it's CRLF, otherwise leave it at `\n`
51 let index = match.startIndex;
52 if (declString[index - 1] === "\r") {
57 message: messages.expected(max),
70 rule.ruleName = ruleName;
71 rule.messages = messages;
72 module.exports = rule;