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Fix empty lines round-trip and trim trailing markers (#185)

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This commit is contained in:
Yuri Karamian
2026-06-30 11:01:25 +02:00
parent e063f1c73a
commit 2c58bf3d9a
1 changed files with 9 additions and 6 deletions
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src/lib/components/Editor.svelte
+9 -6
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@@ -3010,6 +3010,9 @@
} }
entries.push({ text: serializeNode(node), isImage: isImageNode(node) }); entries.push({ text: serializeNode(node), isImage: isImageNode(node) });
}); });
while (entries.length > 0 && entries[entries.length - 1].text === '<!-- -->') {
entries.pop();
}
// Join: skip extra \n separator before image nodes so they don't get unwanted blank lines // Join: skip extra \n separator before image nodes so they don't get unwanted blank lines
let result = ''; let result = '';
for (let i = 0; i < entries.length; i++) { for (let i = 0; i < entries.length; i++) {
@@ -3819,10 +3822,10 @@
src = src.replace(/^([\s>]*)-\s\[ \][^\S\n]+(.+)$/gm, '$1- <tiptask checked="false">$2</tiptask>'); src = src.replace(/^([\s>]*)-\s\[ \][^\S\n]+(.+)$/gm, '$1- <tiptask checked="false">$2</tiptask>');
src = src.replace(/^([\s>]*)-\s\[ \][^\S\n]*$/gm, '$1- <tiptask checked="false">&nbsp;</tiptask>'); src = src.replace(/^([\s>]*)-\s\[ \][^\S\n]*$/gm, '$1- <tiptask checked="false">&nbsp;</tiptask>');
// Pre-process: strip list-separator comments before markdown-it. // Pre-process: replace empty-paragraph markers with a div sentinel before markdown-it.
// markdown-it treats <!-- --> as an HTML block start, swallowing the // A bare <!-- --> starts an HTML block that swallows the next line; the blank lines
// next line (e.g. an image) as raw HTML instead of parsing it. // around the div keep it isolated. Post-render converts it back to <p></p>.
src = src.replace(/<!-- -->/g, '\n'); src = src.replace(/<!-- -->/g, '\n\n<div data-empty-para></div>\n\n');
// Pre-process: preserve blank lines before image-only lines // Pre-process: preserve blank lines before image-only lines
// markdown-it collapses blank lines into paragraph breaks, losing the empty paragraph. // markdown-it collapses blank lines into paragraph breaks, losing the empty paragraph.
@@ -3839,8 +3842,8 @@
html = html.replace(/<code([^>]*)>\n?/g, '<code$1>'); html = html.replace(/<code([^>]*)>\n?/g, '<code$1>');
html = html.replace(/\n<\/code>/g, '</code>'); html = html.replace(/\n<\/code>/g, '</code>');
// Post-process: convert list-separator comments back to empty paragraphs for TipTap // Post-process: convert empty-paragraph div sentinels back to empty paragraphs for TipTap
html = html.replace(/<!-- -->/g, '<p></p>'); html = html.replace(/<div data-empty-para><\/div>\n?/g, '<p></p>\n');
// Post-process: convert task list items to TipTap format // Post-process: convert task list items to TipTap format
// Convert opening <li> + <tiptask> into data-attributed <li>, handles both tight and loose (with <p>) lists // Convert opening <li> + <tiptask> into data-attributed <li>, handles both tight and loose (with <p>) lists