eslint-typegen/dist/index.mjs

Generate types from ESLint rule schemas automatically, with auto-completion and type-checking for rule options.

import { flatConfigsToPlugins, pluginsToRulesDTS } from "./core.mjs";
import { existsSync } from "node:fs";
import fs from "node:fs/promises";
import { hash } from "ohash";

//#region package.json
var version = "2.3.1";

//#endregion
//#region src/index.ts
/**
* Wrap with resolved flat configs to generates types for rules.
*/
async function typegen(configs, options = {}) {
	const { includeCoreRules = true, dtsPath = "eslint-typegen.d.ts" } = options;
	const resolved = await configs;
	let configsInput = resolved;
	if (includeCoreRules) {
		const { builtinRules } = await import("eslint/use-at-your-own-risk");
		configsInput = [{ plugins: { "": { rules: Object.fromEntries(builtinRules.entries()) } } }, ...configsInput];
	}
	const plugins = await flatConfigsToPlugins(configsInput, options);
	const configNames = configsInput.flatMap((c) => c.name).filter(Boolean);
	const hash$1 = hash([
		version,
		...Object.entries(plugins).map(([n, p]) => [p.meta?.name, p.meta?.version].filter(Boolean).join("@") || p.name || n).sort(),
		...configNames
	].join(" "));
	if ((existsSync(dtsPath) ? (await fs.readFile(dtsPath, "utf-8")).match(/\/\* eslint-typegen-hash: (\S*) \*\//)?.[1]?.trim() : void 0) !== hash$1) {
		const dts = [
			"/* This file is generated by eslint-typegen, for augmenting rules types in ESLint */",
			"/* You might want to include this file in tsconfig.json but excluded from git */",
			`/* eslint-typegen-hash: ${hash$1} */`,
			"",
			await pluginsToRulesDTS(plugins, {
				...options,
				configNames
			})
		].join("\n");
		fs.writeFile(dtsPath, dts, "utf-8");
	}
	return resolved;
}

//#endregion
export { typegen as default };