create-expo-cljs-app
Version:
Create a react native application with Expo and Shadow-CLJS!
117 lines • 5.22 kB
JavaScript
;
/**
* Copyright (c) Expo.
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* Forks the default metro-react-native-babel-transformer and adds support for known transforms.
*/
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getBabelConfig = void 0;
const fs_1 = __importDefault(require("fs"));
const path_1 = __importDefault(require("path"));
const resolve_from_1 = __importDefault(require("resolve-from"));
/**
* Return a memoized function that checks for the existence of a
* project level .babelrc file, and if it doesn't exist, reads the
* default RN babelrc file and uses that.
*/
const getBabelRC = (function () {
let babelRC = null;
return function _getBabelRC(projectRoot, options) {
var _a, _b;
if (babelRC != null) {
return babelRC;
}
babelRC = { plugins: [] };
// Let's look for a babel config file in the project root.
// TODO look into adding a command line option to specify this location
let projectBabelRCPath;
// .babelrc
if (projectRoot) {
projectBabelRCPath = path_1.default.resolve(projectRoot, '.babelrc');
}
if (projectBabelRCPath) {
// .babelrc.js
if (!fs_1.default.existsSync(projectBabelRCPath)) {
projectBabelRCPath = path_1.default.resolve(projectRoot, '.babelrc.js');
}
// babel.config.js
if (!fs_1.default.existsSync(projectBabelRCPath)) {
projectBabelRCPath = path_1.default.resolve(projectRoot, 'babel.config.js');
}
// If we found a babel config file, extend our config off of it
// otherwise the default config will be used
if (fs_1.default.existsSync(projectBabelRCPath)) {
babelRC.extends = projectBabelRCPath;
}
}
// If a babel config file doesn't exist in the project then
// the default preset for react-native will be used instead.
if (!babelRC.extends) {
const { experimentalImportSupport, ...presetOptions } = options;
// Use `babel-preset-expo` instead of `metro-react-native-babel-preset`.
const presetPath = (_b = (_a = resolve_from_1.default.silent(projectRoot, 'babel-preset-expo')) !== null && _a !== void 0 ? _a : resolve_from_1.default.silent(projectRoot, 'metro-react-native-babel-preset')) !== null && _b !== void 0 ? _b : require.resolve('babel-preset-expo');
babelRC.presets = [
[
require(presetPath),
{
// Default to React 17 automatic JSX transform.
jsxRuntime: 'automatic',
...presetOptions,
disableImportExportTransform: experimentalImportSupport,
enableBabelRuntime: options.enableBabelRuntime,
},
],
];
}
return babelRC;
};
})();
/**
* Given a filename and options, build a Babel
* config object with the appropriate plugins.
*/
function getBabelConfig(filename, options, plugins = []) {
const babelRC = getBabelRC(options.projectRoot, options);
const extraConfig = {
babelrc: typeof options.enableBabelRCLookup === 'boolean' ? options.enableBabelRCLookup : true,
code: false,
filename,
highlightCode: true,
};
const config = { ...babelRC, ...extraConfig };
// Add extra plugins
const extraPlugins = [];
// TODO: This probably can be removed
if (options.inlineRequires) {
const inlineRequiresPlugin = resolve_from_1.default(options.projectRoot, 'babel-preset-fbjs/plugins/inline-requires');
extraPlugins.push(inlineRequiresPlugin);
}
config.plugins = extraPlugins.concat(config.plugins, plugins);
if (options.dev && options.hot) {
// Note: this intentionally doesn't include the path separator because
// I'm not sure which one it should use on Windows, and false positives
// are unlikely anyway. If you later decide to include the separator,
// don't forget that the string usually *starts* with "node_modules" so
// the first one often won't be there.
// TODO: Support monorepos
const mayContainEditableReactComponents = filename.indexOf('node_modules') === -1;
if (mayContainEditableReactComponents) {
if (!config.plugins) {
config.plugins = [];
}
// Add react refresh runtime.
// NOTICE: keep in sync with 'metro-react-native-babel-preset/src/configs/hmr'.
config.plugins.push(resolve_from_1.default.silent(options.projectRoot, 'react-refresh/babel'));
}
}
return { ...babelRC, ...config };
}
exports.getBabelConfig = getBabelConfig;
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