tsdown-jsr-exports-lint/dist/index.js

JSR exports field lint with tsdown

import fs from "node:fs";
import path from "node:path";
import pc from "picocolors";

//#region src/validator.ts
function validateJsrExports(entries, jsr) {
	const result = {};
	for (const [key, value] of Object.entries(entries)) {
		const exportKey = key === "index" ? "." : `./${key}`;
		if (jsr[exportKey]) result[exportKey] = jsr[exportKey] === `./${value}` ? true : `jsr.exports["${exportKey}"] is ./${value}, but it does not exist in jsr file.`;
		else result[exportKey] = `jsr.exports["${exportKey}"] does not define.`;
	}
	return result;
}

//#endregion
//#region src/index.ts
function jsrExportsLint(jsrPath) {
	const targetJsrPath = jsrPath ?? path.resolve(process.cwd(), "jsr.json");
	if (!fs.existsSync(targetJsrPath)) throw new Error(`jsr manifest file not found at ${targetJsrPath}`);
	return async (config) => {
		const jsr = await import(targetJsrPath, { with: { type: "json" } }).then((m) => m.default || m);
		if (!jsr.exports) {
			error(pc.dim("No jsr.exports found in jsr.json"));
			process.exit(1);
		}
		const result = validateJsrExports(config.entry, jsr.exports);
		const messages = [];
		for (const [_, value] of Object.entries(result)) if (typeof value === "string") messages.push(value);
		if (messages.length > 0) {
			for (const msg of messages) {
				console.log("");
				error(pc.whiteBright(msg));
				console.log("");
			}
			process.exit(1);
		} else if (!config.silent) console.log(pc.green("✔"), "No JSR exports issues found");
	};
}
function error(message) {
	console.error(pc.bgRed(pc.black(" ERROR ")), message);
}

//#endregion
export { error, jsrExportsLint };