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Handle linechunked input

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Adds logic to correctly handle line chunked input, in which reading the input will only read until next new line character.
Seems to be used by codemirror, as that's when I found the issue with it.
This commit is contained in:
Daniel Bulant 2023-12-27 16:22:09 +01:00 committed by GitHub
parent 6223674c53
commit 9356c4fe2e
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 31 additions and 7 deletions
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38
src/extensions.ts
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@ -470,11 +470,20 @@ export const YAMLFrontMatter: MarkdownConfig = {
return false;
}
cx.checkedYaml = true;
const fmRegex = /(^|^\s*\n)(---\n.+?\n---)/s;
const match = fmRegex.exec(cx.input.chunk(0));
if (match) {
const start = match[1].length;
const end = start + match[2].length;
if(cx.input.lineChunks) {
let cline = cx.input.chunk(0);
if(cline !== "---") return false;
let start = cx.lineStart;
let end = 0;
while(cx.nextLine()) {
let cline = cx.input.chunk(cx.lineStart);
if(cline === "---" || cline === "---\n") {
end = cx.lineStart + 3;
break;
}
}
if(end === 0) return false;
line.pos = 3;
cx.addElement(
cx.elt("YAMLFrontMatter", start, end, [
cx.elt("YAMLMarker", start, start + 3),
@ -482,9 +491,24 @@ export const YAMLFrontMatter: MarkdownConfig = {
cx.elt("YAMLMarker", end - 3, end),
])
);
while (cx.lineStart + line.text.length < end && cx.nextLine()) {}
line.pos = 3;
return true;
} else {
const fmRegex = /(^|^\s*\n)(---\n.+?\n---)/s;
const match = fmRegex.exec(cx.input.chunk(0));
if (match) {
const start = match[1].length;
const end = start + match[2].length;
cx.addElement(
cx.elt("YAMLFrontMatter", start, end, [
cx.elt("YAMLMarker", start, start + 3),
cx.elt("YAMLContent", start + 4, end - 4),
cx.elt("YAMLMarker", end - 3, end),
])
);
while (cx.lineStart + line.text.length < end && cx.nextLine()) {}
line.pos = 3;
return true;
}
}
return false;
},