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Fix possible null-dereference if RegExp does not match in MD038.

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David Anson 2019-01-06 22:07:10 -08:00
parent 4f4dee162c
commit 7d6635b472
2 changed files with 5 additions and 1 deletions
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2
lib/md038.js
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@ -19,7 +19,7 @@ module.exports = {
inlineCodeSpansRe.lastIndex = 0; inlineCodeSpansRe.lastIndex = 0;
} }
const match = inlineCodeSpansRe.exec(parent.content); const match = inlineCodeSpansRe.exec(parent.content);
const content = match[3]; const content = (match || [])[3];
const leftError = /^\s([^`]|$)/.test(content); const leftError = /^\s([^`]|$)/.test(content);
const rightError = /[^`]\s$/.test(content); const rightError = /[^`]\s$/.test(content);
if (leftError || rightError) { if (leftError || rightError) {

4
test/backslashes-and-backticks.md Normal file
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@ -0,0 +1,4 @@
# Heading
\\`\\
\\`\\