From 6dc16c11542c94dd32d5de06a57f7d9a566f9e15 Mon Sep 17 00:00:00 2001 From: crystal <71373843+CrystalCommunication@users.noreply.github.com> Date: Tue, 31 Jan 2023 02:23:19 -0700 Subject: [PATCH] Fix README TOC links (#22577) (#22677) Backport #22577 Fixes anchored markup links by adding `user-content-` (which is prepended to IDs) Closes https://codeberg.org/Codeberg/Community/issues/894 --- modules/markup/html.go | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/modules/markup/html.go b/modules/markup/html.go index ae00c3905f..3838708231 100644 --- a/modules/markup/html.go +++ b/modules/markup/html.go @@ -358,12 +358,19 @@ func postProcess(ctx *RenderContext, procs []processor, input io.Reader, output } func visitNode(ctx *RenderContext, procs, textProcs []processor, node *html.Node) { - // Add user-content- to IDs if they don't already have them + // Add user-content- to IDs and "#" links if they don't already have them for idx, attr := range node.Attr { - if attr.Key == "id" && !(strings.HasPrefix(attr.Val, "user-content-") || blackfridayExtRegex.MatchString(attr.Val)) { + val := strings.TrimPrefix(attr.Val, "#") + notHasPrefix := !(strings.HasPrefix(val, "user-content-") || blackfridayExtRegex.MatchString(val)) + + if attr.Key == "id" && notHasPrefix { node.Attr[idx].Val = "user-content-" + attr.Val } + if attr.Key == "href" && strings.HasPrefix(attr.Val, "#") && notHasPrefix { + node.Attr[idx].Val = "#user-content-" + val + } + if attr.Key == "class" && attr.Val == "emoji" { textProcs = nil }