fastify-openapi-glue/lib/templates/templateUtils.js

generate a fastify configuration from an openapi specification

import { dump } from "js-yaml";

export function comments(route, indent = 0) {
	const prefix = `${"\t".repeat(indent)}//`;
	const items = {
		"req.headers": route.schema.headers,
		"req.params": route.schema.params,
		"req.query": route.schema.querystring,
		"req.body": route.schema.body,
		"valid responses": route.openapiSource.responses,
	};

	const commentize = (label) => {
		const data = items[label];
		if (!data) {
			return "";
		}
		const dataStrings = dump(data).split("\n");
		return `${prefix} ${label}
${dataStrings
	.map((item) => (item.length > 0 ? `${prefix}   ${item}` : prefix))
	.join("\n")}
`;
	};

	return Object.keys(items).reduce((acc, label) => acc + commentize(label), "");
}