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node_modules/babel-helper-bindify-decorators/lib/index.js 1.81 KB
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  "use strict";
  
  exports.__esModule = true;
  
  var _getIterator2 = require("babel-runtime/core-js/get-iterator");
  
  var _getIterator3 = _interopRequireDefault(_getIterator2);
  
  exports.default = bindifyDecorators;
  
  var _babelTypes = require("babel-types");
  
  var t = _interopRequireWildcard(_babelTypes);
  
  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)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function bindifyDecorators(decorators) {
    for (var _iterator = decorators, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
      var _ref;
  
      if (_isArray) {
        if (_i >= _iterator.length) break;
        _ref = _iterator[_i++];
      } else {
        _i = _iterator.next();
        if (_i.done) break;
        _ref = _i.value;
      }
  
      var decoratorPath = _ref;
  
      var decorator = decoratorPath.node;
      var expression = decorator.expression;
      if (!t.isMemberExpression(expression)) continue;
  
      var temp = decoratorPath.scope.maybeGenerateMemoised(expression.object);
      var ref = void 0;
  
      var nodes = [];
  
      if (temp) {
        ref = temp;
        nodes.push(t.assignmentExpression("=", temp, expression.object));
      } else {
        ref = expression.object;
      }
  
      nodes.push(t.callExpression(t.memberExpression(t.memberExpression(ref, expression.property, expression.computed), t.identifier("bind")), [ref]));
  
      if (nodes.length === 1) {
        decorator.expression = nodes[0];
      } else {
        decorator.expression = t.sequenceExpression(nodes);
      }
    }
  }
  module.exports = exports["default"];