Fix note content rendering to not remove whitespace before hashtag

Changelog-Fixed: Fixed note content rendering to not remove whitespace before hashtag

Closes: https://github.com/damus-io/damus/issues/3122
Fixes: f436291209 ("Fix note content rendering to not remove whitespace before hashtag")
Signed-off-by: Terry Yiu <git@tyiu.xyz>
This commit is contained in:
2025-07-20 01:25:58 -04:00
committed by Daniel D’Aquino
parent 793970beaf
commit b26eedc633

View File

@@ -76,6 +76,11 @@ func render_note_content(ev: NostrEvent, profiles: Profiles, keypair: Keypair) -
return .separated(render_blocks(blocks: blocks, profiles: profiles, can_hide_last_previewable_refs: true))
}
// FIXME(tyiu): There are a lot of hacks to get this function to render the blocks correctly.
// However, the entire note content rendering logic just needs to be rewritten.
// Block previews should actually be rendered in the position of the note content where it was found.
// Currently, we put some previews at the bottom of the note, which is incorrect as they take things out of
// the author's intended context.
func render_blocks(blocks bs: Blocks, profiles: Profiles, can_hide_last_previewable_refs: Bool = false) -> NoteArtifactsSeparated {
var invoices: [Invoice] = []
var urls: [UrlType] = []
@@ -120,6 +125,7 @@ func render_blocks(blocks bs: Blocks, profiles: Profiles, can_hide_last_previewa
// We should hide whitespace at the end sequence.
hide_text_index = i
} else if case .hashtag = block {
// SPECIAL CASE:
// We should keep hashtags at the end sequence but hide all the other previewables around it.
hide_text_index = i
} else {
@@ -171,7 +177,14 @@ func render_blocks(blocks bs: Blocks, profiles: Profiles, can_hide_last_previewa
case .mention(let m):
return str + mention_str(m, profiles: profiles)
case .text(let txt):
return str + CompatibleText(stringLiteral: reduce_text_block(ind: ind, hide_text_index: hide_text_index, txt: txt))
if case .hashtag = blocks[safe: ind+1] {
// SPECIAL CASE:
// Do not trim whitespaces from suffix if the following block is a hashtag.
// This is because of the code further up (see "SPECIAL CASE").
return str + CompatibleText(stringLiteral: reduce_text_block(ind: ind, hide_text_index: -1, txt: txt))
} else {
return str + CompatibleText(stringLiteral: reduce_text_block(ind: ind, hide_text_index: hide_text_index, txt: txt))
}
case .relay(let relay):
return str + CompatibleText(stringLiteral: relay)
case .hashtag(let htag):