text: "use strict";
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.default = void 0;
  
  function _assert() {
    const data = _interopRequireDefault(require("assert"));
  
    _assert = function () {
      return data;
    };
  
    return data;
  }
  
  function t() {
    const data = _interopRequireWildcard(require("@babel/types"));
  
    t = function () {
      return data;
    };
  
    return data;
  }
  
  function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  class ImportBuilder {
    constructor(importedSource, scope, hub) {
      this._statements = [];
      this._resultName = null;
      this._scope = null;
      this._hub = null;
      this._scope = scope;
      this._hub = hub;
      this._importedSource = importedSource;
    }
  
    done() {
      return {
        statements: this._statements,
        resultName: this._resultName
      };
    }
  
    import() {
      this._statements.push(t().importDeclaration([], t().stringLiteral(this._importedSource)));
  
      return this;
    }
  
    require() {
      this._statements.push(t().expressionStatement(t().callExpression(t().identifier("require"), [t().stringLiteral(this._importedSource)])));
  
      return this;
    }
  
    namespace(name = "namespace") {
      name = this._scope.generateUidIdentifier(name);
      const statement = this._statements[this._statements.length - 1];
      (0, _assert().default)(statement.type === "ImportDeclaration");
      (0, _assert().default)(statement.specifiers.length === 0);
      statement.specifiers = [t().importNamespaceSpecifier(name)];
      this._resultName = t().cloneNode(name);
      return this;
    }
  
    default(name) {
      name = this._scope.generateUidIdentifier(name);
      const statement = this._statements[this._statements.length - 1];
      (0, _assert().default)(statement.type === "ImportDeclaration");
      (0, _assert().default)(statement.specifiers.length === 0);
      statement.specifiers = [t().importDefaultSpecifier(name)];
      this._resultName = t().cloneNode(name);
      return this;
    }
  
    named(name, importName) {
      if (importName === "default") return this.default(name);
      name = this._scope.generateUidIdentifier(name);
      const statement = this._statements[this._statements.length - 1];
      (0, _assert().default)(statement.type === "ImportDeclaration");
      (0, _assert().default)(statement.specifiers.length === 0);
      statement.specifiers = [t().importSpecifier(name, t().identifier(importName))];
      this._resultName = t().cloneNode(name);
      return this;
    }
  
    var(name) {
      name = this._scope.generateUidIdentifier(name);
      let statement = this._statements[this._statements.length - 1];
  
      if (statement.type !== "ExpressionStatement") {
        (0, _assert().default)(this._resultName);
        statement = t().expressionStatement(this._resultName);
  
        this._statements.push(statement);
      }
  
      this._statements[this._statements.length - 1] = t().variableDeclaration("var", [t().variableDeclarator(name, statement.expression)]);
      this._resultName = t().cloneNode(name);
      return this;
    }
  
    defaultInterop() {
      return this._interop(this._hub.addHelper("interopRequireDefault"));
    }
  
    wildcardInterop() {
      return this._interop(this._hub.addHelper("interopRequireWildcard"));
    }
  
    _interop(callee) {
      const statement = this._statements[this._statements.length - 1];
  
      if (statement.type === "ExpressionStatement") {
        statement.expression = t().callExpression(callee, [statement.expression]);
      } else if (statement.type === "VariableDeclaration") {
        (0, _assert().default)(statement.declarations.length === 1);
        statement.declarations[0].init = t().callExpression(callee, [statement.declarations[0].init]);
      } else {
        _assert().default.fail("Unexpected type.");
      }
  
      return this;
    }
  
    prop(name) {
      const statement = this._statements[this._statements.length - 1];
  
      if (statement.type === "ExpressionStatement") {
        statement.expression = t().memberExpression(statement.expression, t().identifier(name));
      } else if (statement.type === "VariableDeclaration") {
        (0, _assert().default)(statement.declarations.length === 1);
        statement.declarations[0].init = t().memberExpression(statement.declarations[0].init, t().identifier(name));
      } else {
        _assert().default.fail("Unexpected type:" + statement.type);
      }
  
      return this;
    }
  
    read(name) {
      this._resultName = t().memberExpression(this._resultName, t().identifier(name));
    }
  
  }
  
  exports.default = ImportBuilder;