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Code Issues Projects Releases Packages Wiki Activity Actions 33

refactor(discord): share Markdown edit projection (#149214)

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Vincent Koc 2026-09-19 04:13:41 +08:00 • committed by GitHub
parent 1e65cfd2c2
commit 47c4fbcb20
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1 changed files with 27 additions and 30 deletions
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57
extensions/discord/src/markdown.ts
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@ -247,6 +247,15 @@ function normalizeDiscordBold(markdown: string): string {
editsBySpan.set(edit.spanId, [edit]);
}
}
const renderEdits = (selectedEdits: typeof edits, start = 0, end = markdown.length) => {
let cursor = start;
let rendered = "";
for (const edit of selectedEdits) {
rendered += `${markdown.slice(cursor, edit.start)}${edit.marker}`;
cursor = edit.start + edit.consume;
}
return rendered + markdown.slice(cursor, end);
};
const protectedSpanIds = new Set<number>();
const protectedEditKeys = new Set<string>();
const spansWithProtectedContent = new Set<number>();
@ -275,19 +284,14 @@ function normalizeDiscordBold(markdown: string): string {
if (!span) {
continue;
}
let localCursor = span.start;
const localRendered =
(editsBySpan.get(spanId) ?? [])
.filter((edit) => {
const key = `${edit.start}:${edit.consume}:${edit.marker}`;
return !protectedEditKeys.has(key);
})
.map((edit) => {
const chunk = `${markdown.slice(localCursor, edit.start)}${edit.marker}`;
localCursor = edit.start + edit.consume;
return chunk;
})
.join("") + markdown.slice(localCursor, span.end);
const localRendered = renderEdits(
(editsBySpan.get(spanId) ?? []).filter((edit) => {
const key = `${edit.start}:${edit.consume}:${edit.marker}`;
return !protectedEditKeys.has(key);
}),
span.start,
span.end,
);
const localSource = markdown.slice(span.start, span.end);
if (
markdownSemanticSignature(fromMarkdown(localRendered) as PositionedMarkdownNode) !==
@ -296,24 +300,17 @@ function normalizeDiscordBold(markdown: string): string {
protectedSpanIds.add(spanId);
}
}
let cursor = 0;
const seenEdits = new Set<string>();
const rendered =
edits
.filter((edit) => {
const key = `${edit.start}:${edit.consume}:${edit.marker}`;
if (protectedSpanIds.has(edit.spanId) || protectedEditKeys.has(key) || seenEdits.has(key)) {
return false;
}
seenEdits.add(key);
return true;
})
.map((edit) => {
const chunk = `${markdown.slice(cursor, edit.start)}${edit.marker}`;
cursor = edit.start + edit.consume;
return chunk;
})
.join("") + markdown.slice(cursor);
const rendered = renderEdits(
edits.filter((edit) => {
const key = `${edit.start}:${edit.consume}:${edit.marker}`;
if (protectedSpanIds.has(edit.spanId) || protectedEditKeys.has(key) || seenEdits.has(key)) {
return false;
}
seenEdits.add(key);
return true;
}),
);
return markdownSemanticSignature(fromMarkdown(rendered) as PositionedMarkdownNode) ===
markdownSemanticSignature(sourceTree)
? rendered