[feature] Allow footnotes in markdown, use <br> instead of \n (#767)

* allow markdown footnotes + hard line breaks

* don't keep whitespace w/minify (unnecessary now)

* test markdown a bit more
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tobi 2022-08-26 13:28:06 +02:00 committed by GitHub
parent 2fe3a2b5b8
commit 79fb8bad04
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2 changed files with 22 additions and 6 deletions

View file

@ -28,7 +28,10 @@ import (
"github.com/tdewolff/minify/v2/html"
)
var m *minify.M
var (
bfExtensions = blackfriday.CommonExtensions | blackfriday.HardLineBreak | blackfriday.Footnotes
m *minify.M
)
func (f *formatter) FromMarkdown(ctx context.Context, md string, mentions []*gtsmodel.Mention, tags []*gtsmodel.Tag) string {
// format tags nicely
@ -38,7 +41,7 @@ func (f *formatter) FromMarkdown(ctx context.Context, md string, mentions []*gts
content = f.ReplaceMentions(ctx, content, mentions)
// parse markdown
contentBytes := blackfriday.Run([]byte(content))
contentBytes := blackfriday.Run([]byte(content), blackfriday.WithExtensions(bfExtensions))
// clean anything dangerous out of it
content = SanitizeHTML(string(contentBytes))
@ -46,9 +49,8 @@ func (f *formatter) FromMarkdown(ctx context.Context, md string, mentions []*gts
if m == nil {
m = minify.New()
m.Add("text/html", &html.Minifier{
KeepEndTags: true,
KeepQuotes: true,
KeepWhitespace: true,
KeepEndTags: true,
KeepQuotes: true,
})
}

View file

@ -56,11 +56,15 @@ const (
mdWithHTML = "# Title\n\nHere's a simple text in markdown.\n\nHere's a <a href=\"https://example.org\">link</a>.\n\nHere's an image: <img src=\"https://gts.superseriousbusiness.org/assets/logo.png\" alt=\"The GoToSocial sloth logo.\" width=\"500\" height=\"600\">"
mdWithHTMLExpected = "<h1>Title</h1><p>Heres a simple text in markdown.</p><p>Heres a <a href=\"https://example.org\" rel=\"nofollow noreferrer noopener\" target=\"_blank\">link</a>.</p><p>Heres an image: <img src=\"https://gts.superseriousbusiness.org/assets/logo.png\" alt=\"The GoToSocial sloth logo.\" width=\"500\" height=\"600\" crossorigin=\"anonymous\"></p>"
mdWithCheekyHTML = "# Title\n\nHere's a simple text in markdown.\n\nHere's a cheeky little script: <script>alert(ahhhh)</script>"
mdWithCheekyHTMLExpected = "<h1>Title</h1><p>Heres a simple text in markdown.</p><p>Heres a cheeky little script: </p>"
mdWithCheekyHTMLExpected = "<h1>Title</h1><p>Heres a simple text in markdown.</p><p>Heres a cheeky little script:</p>"
mdWithHashtagInitial = "#welcome #Hashtag"
mdWithHashtagInitialExpected = "<p><a href=\"http://localhost:8080/tags/welcome\" class=\"mention hashtag\" rel=\"tag nofollow noreferrer noopener\" target=\"_blank\">#<span>welcome</span></a> <a href=\"http://localhost:8080/tags/Hashtag\" class=\"mention hashtag\" rel=\"tag nofollow noreferrer noopener\" target=\"_blank\">#<span>Hashtag</span></a></p>"
mdCodeBlockWithNewlines = "some code coming up\n\n```\n\n\n\n```\nthat was some code"
mdCodeBlockWithNewlinesExpected = "<p>some code coming up</p><pre><code>\n\n\n</code></pre><p>that was some code</p>"
mdWithFootnote = "fox mulder,fbi.[^1]\n\n[^1]: federated bureau of investigation"
mdWithFootnoteExpected = "<p>fox mulder,fbi.<sup id=\"fnref:1\"><a href=\"#fn:1\" rel=\"nofollow noreferrer\">1</a></sup></p><div><hr><ol><li id=\"fn:1\">federated bureau of investigation<br></li></ol></div>"
mdWithBlockQuote = "get ready, there's a block quote coming:\n\n>line1\n>line2\n>\n>line3\n\n"
mdWithBlockQuoteExpected = "<p>get ready, theres a block quote coming:</p><blockquote><p>line1<br>line2</p><p>line3</p></blockquote>"
)
type MarkdownTestSuite struct {
@ -119,6 +123,16 @@ func (suite *MarkdownTestSuite) TestParseCodeBlockWithNewlines() {
suite.Equal(mdCodeBlockWithNewlinesExpected, s)
}
func (suite *MarkdownTestSuite) TestParseWithFootnote() {
s := suite.formatter.FromMarkdown(context.Background(), mdWithFootnote, nil, nil)
suite.Equal(mdWithFootnoteExpected, s)
}
func (suite *MarkdownTestSuite) TestParseWithBlockquote() {
s := suite.formatter.FromMarkdown(context.Background(), mdWithBlockQuote, nil, nil)
suite.Equal(mdWithBlockQuoteExpected, s)
}
func TestMarkdownTestSuite(t *testing.T) {
suite.Run(t, new(MarkdownTestSuite))
}