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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/@expo/metro-config/build/transformer

Просмотр файла: getBabelConfig.js

"use strict";
/**
 * 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;
//# sourceMappingURL=getBabelConfig.js.map

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