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Update MD051/link-fragments to use the same character classes as GitHub, encode unprintable characters from emojii.

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This commit is contained in:
David Anson 2022-04-18 20:59:01 -07:00
parent db5d9f6dbb
commit 9a5e7e42ef
3 changed files with 34 additions and 7 deletions
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10
demo/markdownlint-browser.js
View file

@ -4408,10 +4408,14 @@ var identifierRe = /(?:id|name)\s*=\s*['"]?([^'"\s>]+)/iu;
*/
function convertHeadingToHTMLFragment(inline) {
var inlineText = inline.children.map(function (token) { return token.content; }).join("");
return "#" + inlineText
return "#" + encodeURIComponent(inlineText
.toLowerCase()
.replace(/ /g, "-")
.replace(/[^-_a-z0-9]/g, "");
// RegExp source with Ruby's \p{Word} expanded into its General Categories
// eslint-disable-next-line max-len
// https://github.com/gjtorikian/html-pipeline/blob/main/lib/html/pipeline/toc_filter.rb
// https://ruby-doc.org/core-3.0.2/Regexp.html
.replace(/[^\p{Letter}\p{Mark}\p{Number}\p{Connector_Punctuation}\- ]/gu, "")
.replace(/ /gu, "-"));
}
module.exports = {
"names": ["MD051", "link-fragments"],

15
lib/md051.js
View file

@ -18,10 +18,19 @@ const identifierRe = /(?:id|name)\s*=\s*['"]?([^'"\s>]+)/iu;
*/
function convertHeadingToHTMLFragment(inline) {
const inlineText = inline.children.map((token) => token.content).join("");
return "#" + inlineText
return "#" + encodeURIComponent(
inlineText
.toLowerCase()
.replace(/ /g, "-")
.replace(/[^-_a-z0-9]/g, "");
// RegExp source with Ruby's \p{Word} expanded into its General Categories
// eslint-disable-next-line max-len
// https://github.com/gjtorikian/html-pipeline/blob/main/lib/html/pipeline/toc_filter.rb
// https://ruby-doc.org/core-3.0.2/Regexp.html
.replace(
/[^\p{Letter}\p{Mark}\p{Number}\p{Connector_Punctuation}\- ]/gu,
""
)
.replace(/ /gu, "-")
);
}
module.exports = {

14
test/link-fragments.md
View file

@ -18,6 +18,10 @@
[Valid](#valid-heading--with-emoji-2)
[Valid](#valid-heading-2010-)
[Valid](#valid-heading-2004-%EF%B8%8F)
[Valid](#valid-closed-atx-heading)
[Valid](#valid-setext-heading)
@ -56,6 +60,14 @@ Text
Text
### Valid Heading 20.10 ❌
Text
### Valid Heading 20.04 ✔️
Text
### Valid Closed ATX Heading ###
Text
@ -77,6 +89,8 @@ Text
## Invalid Fragments
[Inalid](#valid-heading-2004-) {MD051}
[Invalid](#invalid-fragment) {MD051}
[Invalid](#myname) {MD051}