Function updateVariableCSS

api/cdn/src/css.ts:100–176

(
	id: string,
	version: string,
	file: string,
	metadata: IDResponse,
	variableMeta: VariableMetadata,
	env: Env,
	ctx: ExecutionContext,
)

};

export const updateVariableCSS = async (
	id: string,
	version: string,
	file: string,
	metadata: IDResponse,
	variableMeta: VariableMetadata,
	env: Env,
	ctx: ExecutionContext,
): Promise<string> => {
	let css: string | undefined;
	const { category, type } = metadata;
	const tag = `${id}@${version}`;
	const vfTag = `${id}:vf@${version}`;

	const generateMeta = {
		id,
		...generateVariableVariants(metadata, variableMeta),
	};

	// Icons are handled differently
	if (category === 'icons' && type === 'google') {
		const cssGenerate = generateIconVariableCSS(
			generateMeta,
			makeFontFileVariablePath,
			vfTag,
		);
		for (const item of cssGenerate) {
			// Reject index.css for variable fonts
			if (item.filename === 'index.css') {
				continue;
			}

			if (item.filename === file) {
				css = item.css;

				ctx.waitUntil(
					env.CSS.put(keyGenV(tag, item.filename), item.css, {
						metadata: {
							ttl: Date.now() / 1000 + CSS_TTL,
						},
					}),
				);
			}
		}
	} else {
		const cssGenerate = generateVariableCSS(
			metadata,
			generateMeta,
			makeFontFileVariablePath,
			vfTag,
		);
		for (const item of cssGenerate) {
			// Reject index.css for variable fonts
			if (item.filename === 'index.css') {
				continue;
			}

			if (item.filename === file) {