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fix(v2): markdown title parser should ignore all forms of MDX import statements (#4735)

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Co-authored-by: Nam Hoang Le <nam.hoang.le@mgm-tp.com>
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Nam Hoang Le 2021-05-06 16:50:21 +07:00 • committed by GitHub
parent 8c39826496
commit 404b4dba8b
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2 changed files with 61 additions and 6 deletions
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20
packages/docusaurus-utils/src/markdownParser.ts
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@ -86,12 +86,20 @@ export function parseMarkdownContentTitle(
const content = contentUntrimmed.trim();
const regularTitleMatch = /^(?:import\s+\S+(\s+from\s+\S+)?;?|\n)*?(?<pattern>#\s*(?<title>[^#\n{]*)+[ \t]*(?<suffix>({#*[\w-]+})|#)?\n*?)/g.exec(
content,
);
const alternateTitleMatch = /^(?:import\s+\S+(\s+from\s+\S+)?;?|\n)*?(?<pattern>\s*(?<title>[^\n]*)\s*\n[=]+)/g.exec(
content,
);
const IMPORT_STATEMENT = /import\s+(([\w*{}\s\n,]+)from\s+)?["'\s]([@\w/_.-]+)["'\s];?|\n/
.source;
const REGULAR_TITLE = /(?<pattern>#\s*(?<title>[^#\n{]*)+[ \t]*(?<suffix>({#*[\w-]+})|#)?\n*?)/
.source;
const ALTERNATE_TITLE = /(?<pattern>\s*(?<title>[^\n]*)\s*\n[=]+)/.source;
const regularTitleMatch = new RegExp(
`^(?:${IMPORT_STATEMENT})*?${REGULAR_TITLE}`,
'g',
).exec(content);
const alternateTitleMatch = new RegExp(
`^(?:${IMPORT_STATEMENT})*?${ALTERNATE_TITLE}`,
'g',
).exec(content);
const titleMatch = regularTitleMatch ?? alternateTitleMatch;
const {pattern, title} = titleMatch?.groups ?? {};