@ainc/script/dist/transform.js

Script compiler for typescript

/**
 *****************************************
 * Created by edonet@163.com
 * Created on 2021-07-17 16:02:55
 *****************************************
 */
'use strict';
Object.defineProperty(exports, "__esModule", { value: true });
exports.transformScript = exports.transformTSXScript = exports.transformJSXScript = exports.transformTypeScript = exports.transformJavaScript = exports.transform = void 0;
/**
 *****************************************
 * 加载依赖
 *****************************************
 */
const babel = require("@babel/core");
const plugin_transform_typescript_1 = require("@babel/plugin-transform-typescript");
const plugin_transform_react_jsx_1 = require("@babel/plugin-transform-react-jsx");
const plugin_transform_modules_commonjs_1 = require("@babel/plugin-transform-modules-commonjs");
const plugin_proposal_dynamic_import_1 = require("@babel/plugin-proposal-dynamic-import");
const plugin_proposal_decorators_1 = require("@babel/plugin-proposal-decorators");
const plugin_proposal_class_properties_1 = require("@babel/plugin-proposal-class-properties");
const plugin_proposal_export_namespace_from_1 = require("@babel/plugin-proposal-export-namespace-from");
const module_paths_plugin_1 = require("./helpers/module-paths-plugin");
const tsconfig_1 = require("./helpers/tsconfig");
/**
 *****************************************
 * 解析路径配置
 *****************************************
 */
const modulePathsOptions = {
    baseUrl: tsconfig_1.compilerOptions.baseUrl,
    paths: tsconfig_1.compilerOptions.paths,
    alias: tsconfig_1.compilerOptions.alias,
    calls: [],
    useRelativePath: false,
};
/**
 *****************************************
 * 测试环境
 *****************************************
 */
if (process.env.BABEL_ENV === 'test') {
    modulePathsOptions.calls.push('jest.genMockFromModule', 'jest.mock', 'jest.unmock', 'jest.doMock', 'jest.dontMock', 'jest.setMock', 'jest.requireActual', 'jest.requireMock');
}
/**
 *****************************************
 * 解析模块配置
 *****************************************
 */
const moduleEntries = ['index.js', 'index.ts'];
const importInterop = tsconfig_1.compilerOptions.esModuleInterop ? 'babel' : 'none';
/**
 *****************************************
 * 是否使用懒加载
 *****************************************
 */
function lazy(file) {
    const isEntry = !!moduleEntries.find(name => file.endsWith(name));
    // 返回匹配函数
    return () => isEntry;
}
/**
 *****************************************
 * 默认配置
 *****************************************
 */
const babelOptions = {
    ast: false,
    babelrc: false,
    babelrcRoots: false,
    configFile: false,
    comments: false,
    sourceMaps: 'inline',
};
/**
 *****************************************
 * 转换代码
 *****************************************
 */
function transform(code, options) {
    const result = babel.transformSync(code, options);
    // 返回结果
    if (result) {
        return result.code || '';
    }
    // 返回空
    return '';
}
exports.transform = transform;
/**
 *****************************************
 * 转码【JavaScript】
 *****************************************
 */
function transformJavaScript(filename, code) {
    // 过滤第三方模块
    if (filename.indexOf('node_modules') > -1) {
        return code;
    }
    // 过滤非ES6模块
    if (code.indexOf('import ') === -1 && code.indexOf('export ') === -1) {
        return code;
    }
    // 转换代码
    return transform(code, {
        ...babelOptions,
        filename,
        plugins: [
            [plugin_proposal_export_namespace_from_1.default],
            [module_paths_plugin_1.default, modulePathsOptions],
            [plugin_transform_modules_commonjs_1.default, { lazy: lazy(filename), importInterop }],
            [plugin_proposal_dynamic_import_1.default],
            [plugin_proposal_decorators_1.default, { legacy: true }],
            [plugin_proposal_class_properties_1.default, { loose: true }],
        ],
    });
}
exports.transformJavaScript = transformJavaScript;
/**
 *****************************************
 * 转码【TypeScript】
 *****************************************
 */
function transformTypeScript(filename, code) {
    return transform(code, {
        ...babelOptions,
        filename,
        plugins: [
            [plugin_proposal_export_namespace_from_1.default],
            [plugin_transform_typescript_1.default, { isTSX: true, allowDeclareFields: true }],
            [module_paths_plugin_1.default, modulePathsOptions],
            [plugin_transform_modules_commonjs_1.default, { lazy: lazy(filename), importInterop }],
            [plugin_proposal_dynamic_import_1.default],
            [plugin_proposal_decorators_1.default, { legacy: true }],
            [plugin_proposal_class_properties_1.default, { loose: true }],
        ],
    });
}
exports.transformTypeScript = transformTypeScript;
/**
 *****************************************
 * 转码【JSX】
 *****************************************
 */
function transformJSXScript(filename, code) {
    return transform(code, {
        ...babelOptions,
        filename,
        plugins: [
            [plugin_proposal_export_namespace_from_1.default],
            [plugin_transform_react_jsx_1.default],
            [module_paths_plugin_1.default, modulePathsOptions],
            [plugin_transform_modules_commonjs_1.default, { lazy: lazy(filename), importInterop }],
            [plugin_proposal_dynamic_import_1.default],
            [plugin_proposal_decorators_1.default, { legacy: true }],
            [plugin_proposal_class_properties_1.default, { loose: true }],
        ],
    });
}
exports.transformJSXScript = transformJSXScript;
/**
 *****************************************
 * 转码【TSX】
 *****************************************
 */
function transformTSXScript(filename, code) {
    return transform(code, {
        ...babelOptions,
        filename,
        plugins: [
            [plugin_proposal_export_namespace_from_1.default],
            [plugin_transform_typescript_1.default, { isTSX: true, allowDeclareFields: true }],
            [plugin_transform_react_jsx_1.default],
            [module_paths_plugin_1.default, modulePathsOptions],
            [plugin_transform_modules_commonjs_1.default, { lazy: lazy(filename), importInterop }],
            [plugin_proposal_dynamic_import_1.default],
            [plugin_proposal_decorators_1.default, { legacy: true }],
            [plugin_proposal_class_properties_1.default, { loose: true }],
        ],
    });
}
exports.transformTSXScript = transformTSXScript;
/**
 *****************************************
 * 转码脚本
 *****************************************
 */
function transformScript(filename, code, options = {}) {
    const plugins = options.plugins || [];
    const opts = { ...babelOptions, ...options, filename, plugins };
    // 添加语法插件
    plugins.unshift([plugin_proposal_export_namespace_from_1.default]);
    // 添加模块解析
    plugins.push([plugin_transform_typescript_1.default, { isTSX: true, allowDeclareFields: true, ...opts.typescript }], [plugin_transform_react_jsx_1.default, opts.jsx], [module_paths_plugin_1.default, { ...modulePathsOptions, ...opts.modulePaths }], [plugin_transform_modules_commonjs_1.default, { lazy: lazy(filename), importInterop }], [plugin_proposal_dynamic_import_1.default], [plugin_proposal_decorators_1.default, { legacy: true }], [plugin_proposal_class_properties_1.default, { loose: true }]);
    // 执行转换
    return transform(code, opts);
}
exports.transformScript = transformScript;
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