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fix(web): replace fs.cpSync to avoid Windows crash in extract step #574

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fix(web): replace fs.cpSync to avoid Windows crash in extract step #574

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22 changes: 21 additions & 1 deletion web/scripts/extract-content.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -204,6 +204,26 @@ function titleFromMarkdown(content: string, fallback: string): string {
return titleMatch ? titleMatch[1] : fallback;
}

/**
* Recursively copy a directory tree.
*
* Avoids `fs.cpSync`: on Windows with Node 22 it terminates the process with
* STATUS_STACK_BUFFER_OVERRUN (exit code 0xC0000409) and no JS-level error,
* which silently breaks `npm run dev` because this script backs its `predev` step.
*/
function copyDirRecursive(srcDir: string, dstDir: string): void {
fs.mkdirSync(dstDir, { recursive: true });
for (const entry of fs.readdirSync(srcDir, { withFileTypes: true })) {
const srcPath = path.join(srcDir, entry.name);
const dstPath = path.join(dstDir, entry.name);
if (entry.isDirectory()) {
copyDirRecursive(srcPath, dstPath);
} else if (entry.isFile()) {
fs.copyFileSync(srcPath, dstPath);
}
}
}

function cleanCourseAssets() {
fs.rmSync(COURSE_ASSETS_DIR, { recursive: true, force: true });
fs.mkdirSync(COURSE_ASSETS_DIR, { recursive: true });
Expand All @@ -215,7 +235,7 @@ function copyChapterAssets(chapter: ChapterSource): ChapterImage[] {

const outDir = path.join(COURSE_ASSETS_DIR, chapter.dirName);
fs.mkdirSync(outDir, { recursive: true });
fs.cpSync(imagesDir, outDir, { recursive: true });
copyDirRecursive(imagesDir, outDir);

return fs
.readdirSync(imagesDir)
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