@eljs/utils/esm/file/transformer.js

Collection of nodejs utility.

function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : String(i); }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
import path from 'node:path';
import { addHook } from 'pirates';

/**
 * 转换器构造函数选项
 */

/**
 * 转换器类
 */
export var Transformer = /*#__PURE__*/function () {
  function Transformer(options) {
    _classCallCheck(this, Transformer);
    /**
     * 构造函数选项
     */
    _defineProperty(this, "constructorOptions", void 0);
    _defineProperty(this, "_revert", function () {});
    this.constructorOptions = options;
  }

  /**
   * 执行文件劫持
   * @param options 文件转换函数选项
   */
  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  _createClass(Transformer, [{
    key: "apply",
    value: function apply(options) {
      var _this = this;
      var _this$constructorOpti = this.constructorOptions,
        _this$constructorOpti2 = _this$constructorOpti.exts,
        exts = _this$constructorOpti2 === void 0 ? ['.ts'] : _this$constructorOpti2,
        ignoreNodeModules = _this$constructorOpti.ignoreNodeModules;
      this._revert = addHook(function (code, filename) {
        return _this._transform(code, filename, options || {});
      }, {
        exts: exts,
        ignoreNodeModules: ignoreNodeModules
      });
    }

    /**
     * 恢复文件劫持
     */
  }, {
    key: "revert",
    value: function revert() {
      this._revert();
    }

    /**
     * 转换文件
     * @param input 源文件内容
     * @param filename 源文件名
     * @param options 文件转换函数选项
     */
  }, {
    key: "_transform",
    value: function _transform(input, filename, options) {
      var ext = path.extname(filename);
      try {
        var _this$constructorOpti3 = this.constructorOptions.transform(input, _objectSpread({
            sourcefile: filename,
            loader: ext.slice(1),
            target: 'es2019',
            format: 'cjs',
            logLevel: 'error'
          }, options)),
          code = _this$constructorOpti3.code;
        return code;
      } catch (error) {
        var err = error;
        err.message = "Transform ".concat(filename, " failed: ").concat(err.message);
        throw err;
      }
    }
  }]);
  return Transformer;
}();