@bytedance/mona-shared/dist/readConfig.js

mona shared utils

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.readTypescriptFile = readTypescriptFile;
exports.readJavascriptFile = readJavascriptFile;
const fs_1 = __importDefault(require("fs"));
const path_1 = __importDefault(require("path"));
function readTypescriptFile(filename) {
    try {
        require('@babel/register')({
            presets: [
                [require.resolve('@babel/preset-env'), { modules: 'commonjs' }],
                require.resolve('@babel/preset-typescript'),
            ],
            extensions: ['.ts', '.tsx'],
            cache: false,
        });
        delete require.cache[require.resolve(filename)];
        const config = require(filename).default || require(filename);
        if (typeof config !== 'object') {
            throw new Error('无效的配置文件');
        }
        return config;
    }
    catch (err) {
        console.error(`读取配置文件失败，使用默认配置，请查看 ${filename} 是否正确`);
        console.error(err.message);
        return {};
    }
}
function readJavascriptFile(filename) {
    try {
        require('@babel/register')({
            presets: [[require.resolve('@babel/preset-env'), { modules: 'commonjs' }]],
            extensions: ['.js', 'jsx'],
            cache: false,
        });
        delete require.cache[require.resolve(filename)];
        const config = require(filename).default || require(filename);
        if (typeof config !== 'object') {
            throw new Error('无效的配置文件');
        }
        return config;
    }
    catch (err) {
        console.error(`读取配置文件失败，使用默认配置，请查看 ${filename} 是否正确`);
        console.error(err.message);
        return {};
    }
}
function readConfig(filename) {
    let cookedFilename = filename;
    const rawExt = path_1.default.extname(filename);
    if (['ts', 'js'].indexOf(rawExt) === -1) {
        for (const ext of ['ts', 'js']) {
            if (fs_1.default.existsSync(`${filename}.${ext}`)) {
                cookedFilename = `${filename}.${ext}`;
                break;
            }
        }
    }
    if (!fs_1.default.existsSync(cookedFilename)) {
        return {};
    }
    return path_1.default.extname(cookedFilename) === '.ts'
        ? readTypescriptFile(cookedFilename)
        : readJavascriptFile(cookedFilename);
}
exports.default = readConfig;
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