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Improve display of HTML ul (bullet list) and ol (numbered list) (#1690)

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While SwiftUI's `Text` view won't display these in an `AttributedString` even if they get parsed from Markdown (which would also require the use of the `.full` option instead of the `.inlineOnlyPresrevingWhitespace` option), we can improve the appearance somewhat.
Currently, list elements are clumped together with no spaces between them, and there's no indication whatsoever that the author indicated these to be a list.
Change to insert Markdown list syntax with linebreaks and dashes, so users can at least understand there's a list there.
Similar change for ordered lists.

This will still be broken for nested lists, but it didn't seem worth it to put a lot of effort into this (or other revamps, like making bold/italics/code work properly) because it seems like the current text handling in Ice Cubes is suboptimal and eventually slated for improvement (according to https://github.com/Dimillian/IceCubesApp/issues/1459#issuecomment-1638562657).
So this is more designed to make lists "less broken" in some cases, rather than be a comprehensive fix for all lists in all cases.
This commit is contained in:
Nathan Reed 2023-11-27 03:15:27 -05:00 committed by GitHub
parent de83b8ec90
commit 06a8ca67c3
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1 changed files with 22 additions and 0 deletions
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22
Packages/Models/Sources/Models/Alias/HTMLString.swift
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@ -183,6 +183,28 @@ public struct HTMLString: Codable, Equatable, Hashable, @unchecked Sendable {
}
// Strip newlines and line separators - they should be being sent as <br>s
asMarkdown += txt.replacingOccurrences(of: "\n", with: "").replacingOccurrences(of: "\u{2028}", with: "")
} else if node.nodeName() == "ul" {
// Unordered (bulleted) list
// SwiftUI's Text won't display these in an AttributedString, but we can at least improve the appearance
asMarkdown += "\n\n"
for nn in node.getChildNodes() {
asMarkdown += "- "
handleNode(node: nn)
asMarkdown += "\n"
}
return
} else if node.nodeName() == "ol" {
// Ordered (numbered) list
// Same thing, won't display in a Text, but this is just an attempt to improve the appearance
asMarkdown += "\n\n"
var curNumber = 1
for nn in node.getChildNodes() {
asMarkdown += "\(curNumber). "
handleNode(node: nn)
asMarkdown += "\n"
curNumber += 1
}
return
}
for n in node.getChildNodes() {