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Update clearHtmlCommentText helper to match HTML specification better; "--" within a comment does not make it invalid (fixes #361).

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This commit is contained in:
David Anson 2021-01-28 21:45:53 -08:00
parent df4aa9f4e8
commit 838afe0a00
4 changed files with 37 additions and 21 deletions
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12
demo/markdownlint-browser.js
View file

@ -128,11 +128,13 @@ module.exports.clearHtmlCommentText = function clearHtmlCommentText(text) {
}
var comment = text.slice(i + htmlCommentBegin.length, j);
if ((comment.length > 0) &&
(comment[0] !== ">") &&
(comment[comment.length - 1] !== "-") &&
!comment.includes("--") &&
(text.slice(i, j + htmlCommentEnd.length)
.search(inlineCommentRe) === -1)) {
!comment.startsWith(">") &&
!comment.startsWith("->") &&
!comment.endsWith("<!-") &&
!comment.includes("<!--") &&
// !comment.includes("-->") &&
!comment.includes("--!>") &&
(text.slice(i, j + htmlCommentEnd.length).search(inlineCommentRe) === -1)) {
var blanks = comment
.replace(/[^\r\n]/g, " ")
.replace(/ ([\r\n])/g, "\\$1");

16
helpers/helpers.js
View file

@ -114,12 +114,16 @@ module.exports.clearHtmlCommentText = function clearHtmlCommentText(text) {
break;
}
const comment = text.slice(i + htmlCommentBegin.length, j);
if ((comment.length > 0) &&
(comment[0] !== ">") &&
(comment[comment.length - 1] !== "-") &&
!comment.includes("--") &&
(text.slice(i, j + htmlCommentEnd.length)
.search(inlineCommentRe) === -1)) {
if (
(comment.length > 0) &&
!comment.startsWith(">") &&
!comment.startsWith("->") &&
!comment.endsWith("<!-") &&
!comment.includes("<!--") &&
// !comment.includes("-->") &&
!comment.includes("--!>") &&
(text.slice(i, j + htmlCommentEnd.length).search(inlineCommentRe) === -1)
) {
const blanks = comment
.replace(/[^\r\n]/g, " ")
.replace(/ ([\r\n])/g, "\\$1");

2
test/ignore-comments.md
View file

@ -20,7 +20,7 @@ Hard tab
<!--
Hard tab {MD010}
Invalid--comment
Invalid--!>comment
Hard tab {MD010}
-->

28
test/markdownlint-test-helpers.js
View file

@ -12,6 +12,7 @@ test("clearHtmlCommentTextValid", (t) => {
"<!-- text -->",
"<!--text-->",
"<!-- -->",
"<!-- -- -->",
"<!---->",
"<!---text-->",
"<!--text-text-->",
@ -49,6 +50,7 @@ test("clearHtmlCommentTextValid", (t) => {
"<!-- -->",
"<!-- -->",
"<!-- -->",
"<!-- -->",
"<!---->",
"<!-- -->",
"<!-- -->",
@ -94,18 +96,26 @@ test("clearHtmlCommentTextInvalid", (t) => {
"<!->",
"<!-->",
"<!--->",
"<!-->-->",
"<!--->-->",
"<!----->",
"<!------>",
"<!-- -- -->",
"<!-->-->",
"<!--> -->",
"<!--->-->",
"<!-->text-->",
"<!--->text-->",
"<!--text--->",
"<!--te--xt-->"
"<!---->",
// Restrictions from specification
"<!-->-->",
"<!-->t-->",
"<!--->-->",
"<!--->t-->",
"<!--<!--t-->",
"<!--t<!---->",
"<!--t<!--t-->",
// "<!---->t-->",
// "<!--t-->-->",
// "<!--t-->t-->",
"<!----!>t-->",
"<!--t--!>-->",
"<!--t--!>t-->",
"<!--<!--->",
"<!--t<!--->"
];
const actual = helpers.clearHtmlCommentText(invalidComments.join("\n"));
const expected = invalidComments.join("\n");