one/dist/esm/cli/generateBundlerConfig.mjs

One is a React framework for web, iOS, and Android apps.

import { existsSync, readFileSync, writeFileSync } from "node:fs";
import path from "node:path";
import colors from "picocolors";
import { getRouterRootFromOneOptions } from "../utils/getRouterRootFromOneOptions.mjs";

const ONE_GENERATED_MARKER = "@one/generated bundler-config";
function buildBabelConfigContent({ eject, options }) {
	const header = eject ? `// you own this file. edit freely. \`one\` will not regenerate it.
// delegates to one/babel-preset which holds the canonical plugin chain.
` : `// ${ONE_GENERATED_MARKER}
//
// auto-generated by \`one metro-eject\`. delegates to one/babel-preset so
// Metro uses the same router/setup options as \`one dev\` and \`one build\`.
//
// to customize, delete this header and edit freely. re-runs will then
// leave this file alone.
`;
	return `${header}
const oneBabelPreset = require('one/babel-preset')
const preset = oneBabelPreset.default || oneBabelPreset
const oneBundlerOptions = ${serializeBundlerConfigOptions(options)}

module.exports = function (api) {
  return preset(api, oneBundlerOptions)
}
`;
}
function buildMetroConfigContent({ eject, options }) {
	const header = eject ? `// you own this file. edit freely. \`one\` will not regenerate it.
// withOne() invokes the same Metro pipeline One uses for production bundles.
` : `// ${ONE_GENERATED_MARKER}
//
// auto-generated by \`one metro-eject\`. delegates to one/metro-config,
// which invokes the same metro pipeline One uses for production native
// bundles with your router and setup options.
//
// to customize, delete this header and edit freely. re-runs will then
// leave this file alone.
`;
	return `${header}
const { withOne } = require('one/metro-config')
const oneBundlerOptions = ${serializeBundlerConfigOptions(options)}

module.exports = withOne(__dirname, oneBundlerOptions)
`;
}
const FILES = [{
	name: "babel.config.cjs",
	getContent: buildBabelConfigContent,
	conflicting: [
		"babel.config.js",
		"babel.config.mjs",
		".babelrc",
		".babelrc.js"
	]
}, {
	name: "metro.config.cjs",
	getContent: buildMetroConfigContent,
	conflicting: ["metro.config.js", "metro.config.mjs"]
}];
function stripUndefined(value) {
	if (Array.isArray(value)) {
		return value.map(stripUndefined);
	}
	if (value && typeof value === "object") {
		return Object.fromEntries(Object.entries(value).filter(([, entry]) => entry !== void 0).map(([key, entry]) => [key, stripUndefined(entry)]));
	}
	return value;
}
function assertSerializable(value, keyPath = "one bundler options") {
	if (typeof value === "function" || typeof value === "symbol" || typeof value === "bigint") {
		throw new Error(`[one] ${keyPath} must be JSON-serializable to generate Babel/Metro config files. Move function-valued native linking/customization into an ejected config.`);
	}
	if (Array.isArray(value)) {
		value.forEach((entry, index) => assertSerializable(entry, `${keyPath}[${index}]`));
		return;
	}
	if (value && typeof value === "object") {
		for (const [key, entry] of Object.entries(value)) {
			assertSerializable(entry, `${keyPath}.${key}`);
		}
	}
}
function serializeBundlerConfigOptions(options) {
	const clean = stripUndefined(options);
	assertSerializable(clean);
	return JSON.stringify(clean, null, 2);
}
function getBundlerConfigOptionsFromOneOptions(oneOptions = {}) {
	return stripUndefined({
		routerRoot: getRouterRootFromOneOptions(oneOptions),
		ignoredRouteFiles: oneOptions.router?.ignoredRouteFiles,
		linking: oneOptions.router?.linking,
		setupFile: oneOptions.setupFile
	});
}
function generateBundlerConfig(args = {}) {
	const cwd = path.resolve(args.cwd ?? process.cwd());
	const force = !!args.force;
	const check = !!args.check;
	const quiet = !!args.quiet;
	const log = (msg) => {
		if (!quiet) console.info(msg);
	};
	const warn = (msg) => {
		if (!quiet) console.warn(msg);
	};
	const results = [];
	const eject = !!args.eject;
	const bundlerOptions = getBundlerConfigOptionsFromOneOptions(args.oneOptions);
	for (const file of FILES) {
		const filePath = path.join(cwd, file.name);
		const targetContent = file.getContent({
			eject,
			options: bundlerOptions
		});
		const conflict = file.conflicting.find((alt) => existsSync(path.join(cwd, alt)));
		if (conflict && !existsSync(filePath)) {
			results.push({
				filePath: path.join(cwd, conflict),
				action: "skipped-other-format",
				reason: `Found ${conflict}; not creating ${file.name}. To switch, delete ${conflict} and re-run with --force.`
			});
			warn(colors.yellow(`[one] found ${conflict}. Leaving it alone. Delete it and re-run with --force to switch to ${file.name}.`));
			continue;
		}
		if (!existsSync(filePath)) {
			if (check) {
				results.push({
					filePath,
					action: "would-write"
				});
				log(colors.yellow(`[one] missing: ${file.name}`));
				continue;
			}
			writeFileSync(filePath, targetContent);
			results.push({
				filePath,
				action: "wrote"
			});
			log(colors.green(`[one] wrote ${file.name}`));
			continue;
		}
		const existing = readFileSync(filePath, "utf8");
		if (existing === targetContent) {
			results.push({
				filePath,
				action: "kept"
			});
			log(colors.dim(`[one] up to date: ${file.name}`));
			continue;
		}
		const hasMarker = existing.includes(ONE_GENERATED_MARKER);
		if (!hasMarker && !force) {
			results.push({
				filePath,
				action: "skipped-customized",
				reason: `${file.name} has been customized (no @one marker). Re-add the marker comment or pass --force to overwrite.`
			});
			warn(colors.yellow(`[one] ${file.name} appears customized. Skipping. Pass --force to overwrite.`));
			continue;
		}
		if (check) {
			results.push({
				filePath,
				action: "would-overwrite"
			});
			log(colors.yellow(`[one] out of date: ${file.name}`));
			continue;
		}
		writeFileSync(filePath, targetContent);
		results.push({
			filePath,
			action: "wrote"
		});
		log(colors.green(`[one] updated ${file.name}`));
	}
	const acceptableAlways = /* @__PURE__ */ new Set([
		"wrote",
		"kept",
		"skipped-other-format",
		"skipped-customized"
	]);
	const acceptableInCheck = /* @__PURE__ */ new Set([
		"kept",
		"skipped-other-format",
		"skipped-customized"
	]);
	const ok = (check ? acceptableInCheck : acceptableAlways).size ? results.every((r) => (check ? acceptableInCheck : acceptableAlways).has(r.action)) : false;
	return {
		results,
		ok
	};
}

export { ONE_GENERATED_MARKER, generateBundlerConfig, getBundlerConfigOptionsFromOneOptions };
//# sourceMappingURL=generateBundlerConfig.mjs.map