Function collectFormatterExtensions

src/cm/lsp/formatter.ts:82–121

(languages: Set<string>)

}

function collectFormatterExtensions(languages: Set<string>): string[] {
	const extensions = new Set<string>();
	const modeMap = new Map<string, Mode>();

	try {
		const modes = getModes() as Mode[];
		modes.forEach((mode) => {
			const key = String(mode?.name ?? "")
				.trim()
				.toLowerCase();
			if (key) modeMap.set(key, mode);
		});
	} catch (_) {
		// Ignore mode loading errors
	}

	languages.forEach((language) => {
		const key = String(language ?? "")
			.trim()
			.toLowerCase();
		if (!key) return;
		extensions.add(key);
		const mode = modeMap.get(key);
		if (!mode?.extensions) return;
		String(mode.extensions)
			.split("|")
			.forEach((part) => {
				const ext = part.trim();
				if (ext && !ext.startsWith("^")) {
					extensions.add(ext);
				}
			});
	});

	if (!extensions.size) {
		return ["*"];
	}

	return Array.from(extensions);
}