Function expandCodeEmbedsInMarkdown

src/code_embed_markdown.ts:234–286

(
	plugin: CodeSpacePlugin,
	markdown: string,
	sourceFile: TFile
)

}

export async function expandCodeEmbedsInMarkdown(
	plugin: CodeSpacePlugin,
	markdown: string,
	sourceFile: TFile
): Promise<string> {
	const allowedExtensions = collectAllowedExtensions(plugin);
	const lines = markdown.split("\n");
	const output: string[] = [];
	let activeFence: { marker: "`" | "~"; length: number } | null = null;

	for (const line of lines) {
		const fenceMatch = line.match(/^(\s*)(`{3,}|~{3,})/);
		if (fenceMatch?.[2]) {
			const marker = fenceMatch[2][0] as "`" | "~";
			const length = fenceMatch[2].length;

			if (!activeFence) {
				activeFence = { marker, length };
			} else if (activeFence.marker === marker && length >= activeFence.length) {
				activeFence = null;
			}

			output.push(line);
			continue;
		}

		if (activeFence) {
			output.push(line);
			continue;
		}

		const embedMatch = line.match(/^([>\s]*)!\[\[([^\]]+)\]\]\s*$/);
		if (!embedMatch?.[2]) {
			output.push(line);
			continue;
		}

		const indent = embedMatch[1] ?? "";
		const rawReference = embedMatch[2].trim();
		const resolved = resolveCodeEmbedReference(plugin, rawReference, sourceFile.path, allowedExtensions);
		if (!resolved) {
			output.push(line);
			continue;
		}

		const fullContent = await plugin.app.vault.read(resolved.file);
		const slicedContent = sliceFileContent(fullContent, resolved.startLine, resolved.endLine);
		const fencedCode = createFencedCodeBlock(slicedContent, resolved.file.extension.toLowerCase());
		output.push(indentMultiline(fencedCode, indent));
	}

	return output.join("\n");
}