export function migrateLeadInAttribute()

in tools/cleaner.ts [166:180]

• 15 lines of code
• 4 McCabe index (conditional complexity)

export function migrateLeadInAttribute(documents: Markdown[]): Markdown[] {
	return documents.map((document) => {
		if (!document.frontmatter.leadin) {
			return document;
		}
		const hasContent = document.content && document.content !== "\n";
		const oldLeadin = document.frontmatter.leadin;
		delete document.frontmatter.leadin;
		return {
			...document,
			content: !hasContent ? oldLeadin : document.content,
			isChanged: true,
		};
	});
}