Function getParserForLanguage

src/utils/codeHighlight.js:157–185

* Gets language parser by language name (e.g., "javascript", "python") * Uses modelist to find the mode and get first valid extension for file matching

(langName)

 * Uses modelist to find the mode and get first valid extension for file matching
 */
async function getParserForLanguage(langName) {
	if (!langName) return null;

	const modesByName = getModesByName();
	const normalizedName = langName.toLowerCase();

	// Try to find mode by name (case-insensitive)
	const mode = modesByName[normalizedName];
	if (mode?.languageExtension) {
		try {
			const langExt = await mode.languageExtension();
			if (!langExt) return null;

			const langArray = Array.isArray(langExt) ? langExt : [langExt];
			for (const ext of langArray) {
				if (ext && typeof ext === "object" && "language" in ext) {
					return ext.language.parser;
				}
			}
		} catch (e) {
			console.warn("Failed to get parser for language:", langName, e);
		}
	}

	// Fallback: create a fake filename and use getModeForPath
	// This handles cases where the language name doesn't match mode name exactly
	const fakeUri = `file.${normalizedName}`;
	return await getLanguageParser(fakeUri);
}

/**
 * Highlights a single line of code for display in references panel