Failing test for bad line breaks in markdown

Author: cyk

test/helpers/getBadLineBreaks.js

@@ -0,0 +1,14 @@
+const fs = require('fs');
+
+module.exports = function findBadLineBreaks(filepath) {
+  const markdown = fs.readFileSync(filepath).toString();
+
+  return [
+    // urls that have a newline between the ] and (
+    /\]\n\(/.test(markdown),
+
+    // to be safe, also search where \s is a whitespace
+    /\]\n\s\(/.test(markdown),
+    /\]\s\n\s\(/.test(markdown),
+  ].filter(Boolean);
+};

test/link-checker.js

@@ -1,6 +1,11 @@
 const { expect } = require('chai');
 
-const { getBadRelativeUrlsForFile, findMarkdownLinks, getBadImageUrls } = require('./helpers');
+const {
+  findMarkdownLinks,
+  getBadRelativeUrlsForFile,
+  getBadLineBreaks,
+  getBadImageUrls,
+} = require('./helpers');
 
 /**
  * Autogenerate some mocha tests
@@ -29,6 +34,9 @@ describe('check all links in markdown files', function () {
 
       expect(badLinks, printBadLinks(badLinks)).to.be.empty;
 
+      const badLineBreaks = getBadLineBreaks(filepath);
+      expect(badLineBreaks, printBadLinks(badLineBreaks)).to.be.empty;
+
       const badImageLinks = getBadImageUrls({
         filepath,
         links,