Find the closest babel config based on a directory. 

Find the closest babel config based on a directory

tleunen

find-babel-config

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All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.

## [1.0.1](https://github.com/tleunen/find-babel-config/compare/v1.0.0...v1.0.1) (2016-08-20)

* Fix async call with depth 0 ([ddb684f](https://github.com/tleunen/find-babel-config/commit/ddb684f))

# [1.0.0](https://github.com/tleunen/find-babel-config/compare/v0.1.1...v1.0.0) (2016-08-06)

* Add support for async lookup ([ca2f592](https://github.com/tleunen/find-babel-config/commit/ca2f592))

* The default function is now async and uses a Promise. And the function doesn't

return null when the config is not found. Instead, an object { file: null,

## [0.1.1](https://github.com/tleunen/find-babel-config/compare/v0.1.0...v0.1.1) (2016-07-10)

* **release:** Ignore src/ but not lib/ for npm ([2588adf](https://github.com/tleunen/find-babel-config/commit/2588adf))

* **find:** Initial commit with the find babel config function ([cd861f4](https://github.com/tleunen/find-babel-config/commit/cd861f4))

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol ? "symbol" : typeof obj; };

var nullConf = { file: null, config: null };

function asyncFind(resolve, dir, depth) {

    var babelrc = path.join(dir, BABELRC_FILENAME);

    return pathExists(babelrc).then(function (exists) {

            fs.readFile(babelrc, 'utf8', function (err, data) {

                        config: JSON5.parse(data)

                var packageFile = path.join(dir, PACKAGE_FILENAME);

                    v: pathExists(packageFile).then(function (ex) {

                            fs.readFile(packageFile, 'utf8', function (err, data) {

                                var packageJson = JSON.parse(data);

                                if (packageJson.babel) {

                                    resolve({

                                        file: packageFile,

                                        config: packageJson.babel

            if ((typeof _ret === 'undefined' ? 'undefined' : _typeof(_ret)) === "object") return _ret.v;

            var nextDir = path.dirname(dir);

                asyncFind(resolve, nextDir, depth - 1);

module.exports = function findBabelConfig(start) {

    var depth = arguments.length <= 1 || arguments[1] === undefined ? INFINITY : arguments[1];

        return new Promise(function (resolve) {

    var dir = path.isAbsolute(start) ? start : path.join(process.cwd(), start);

    return new Promise(function (resolve) {

module.exports.sync = function findBabelConfigSync(start) {

    // eslint-disable-next-line no-cond-assign

        var babelrc = path.join(dir, BABELRC_FILENAME);

            var babelrcContent = fs.readFileSync(babelrc, 'utf8');

                config: JSON5.parse(babelrcContent)

        var packageFile = path.join(dir, PACKAGE_FILENAME);

        if (pathExists.sync(packageFile)) {

            var packageContent = fs.readFileSync(packageFile, 'utf8');

            var packageJson = JSON.parse(packageContent);

                    config: packageJson.babel

  "description": "Find the closest babel config based on a directory",

    "url": "https://github.com/tleunen/find-babel-config.git"

  "author": "Tommy Leunen <tommy.leunen@gmail.com> (http://tommyleunen.com)",

    "eslint-config-airbnb-base": "^5.0.1",

    "eslint-config-airbnb-base": "^5.0.2",

    "test:watch": "npm run test:suite -- -w",

    "test:suite": "mocha --require babel-register",

    "compile": "babel src --out-dir lib",

[![npm][npm-version-image]][npm-url] [![Build Status][ci-image]][ci-url] [![Coverage Status][coverage-image]][coverage-url]

Helper function to retrieve the closest Babel configuration from a specific directory.

// directory can be an absolute or relative path

// If it's a relative path, it is relative to the current working directory (process.cwd())

findBabelConfig(directory).then(({ file, config }) => {

        // file is the file in which the config is found

        // config is a JS plain object with the babel config

const { file, config } = findBabelConfig(directory);

const { file, config } = findBabelConfig.sync(directory);

// if c === null, the config wasn't found

    // file is the file in which the config is found

    // config is a JS plain object with the babel config

A second parameter can be given to `findBabelConfig`, it specifies the `depth` of search. By default, this value is `Infinity` but you can set the value you want: `findBabelConfig('src', 10)`.

MIT, see [LICENSE.md](/LICENSE.md) for details.

[ci-image]: https://circleci.com/gh/tleunen/find-babel-config.svg?style=shield

[ci-url]: https://circleci.com/gh/tleunen/find-babel-config

[coverage-image]: https://codecov.io/gh/tleunen/find-babel-config/branch/master/graph/badge.svg

[coverage-url]: https://codecov.io/gh/tleunen/find-babel-config

[npm-version-image]: https://img.shields.io/npm/v/find-babel-config.svg

[npm-url]: https://www.npmjs.com/package/find-babel-config

		@@ -5,2 +5,12 @@ # Change Log

		<a name="1.0.1"></a>
		## [1.0.1](https://github.com/tleunen/find-babel-config/compare/v1.0.0...v1.0.1) (2016-08-20)


		### Bug Fixes

		* Fix async call with depth 0 ([ddb684f](https://github.com/tleunen/find-babel-config/commit/ddb684f))



		<a name="1.0.0"></a>
		@@ -7,0 +17,0 @@ # [1.0.0](https://github.com/tleunen/find-babel-config/compare/v0.1.1...v1.0.0) (2016-08-06)

		@@ -17,3 +17,5 @@ 'use strict';
		function asyncFind(resolve, dir, depth) {
		if (!depth) resolve(nullConf);
		if (depth < 0) {
		return resolve(nullConf);
		}

		@@ -20,0 +22,0 @@ var babelrc = path.join(dir, BABELRC_FILENAME);

		{
		"name": "find-babel-config",
		"version": "1.0.0",
		"version": "1.0.1",
		"main": "lib/index.js",
		@@ -28,8 +28,7 @@ "description": "Find the closest babel config based on a directory",
		"chai": "^3.5.0",
		"eslint": "^3.2.2",
		"eslint-config-airbnb-base": "^5.0.1",
		"eslint-plugin-import": "^1.12.0",
		"lodash": "^4.14.1",
		"mocha": "^3.0.1",
		"nyc": "^7.1.0",
		"eslint": "^3.3.0",
		"eslint-config-airbnb-base": "^5.0.2",
		"eslint-plugin-import": "^1.13.0",
		"mocha": "^3.0.2",
		"nyc": "^8.1.0",
		"standard-version": "^2.4.0"
		@@ -36,0 +35,0 @@ },

		@@ -36,3 +36,3 @@ # find-babel-config
		const directory = 'src';
		const { file, config } = findBabelConfig(directory);
		const { file, config } = findBabelConfig.sync(directory);
		// if c === null, the config wasn't found
		@@ -39,0 +39,0 @@ if (file) {

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