'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var helperModuleImports = require('@babel/helper-module-imports');
var t = require('@babel/types');
var babelPluginMacros = require('babel-plugin-macros');

function _interopNamespace(e) {
  if (e && e.__esModule) return e;
  var n = Object.create(null);
  if (e) {
    Object.keys(e).forEach(function (k) {
      if (k !== 'default') {
        var d = Object.getOwnPropertyDescriptor(e, k);
        Object.defineProperty(n, k, d.get ? d : {
          enumerable: true,
          get: function () { return e[k]; }
        });
      }
    });
  }
  n["default"] = e;
  return Object.freeze(n);
}

var t__namespace = /*#__PURE__*/_interopNamespace(t);

var macro = function macro(_ref) {
  var _references$useProxy;

  var references = _ref.references;
  (_references$useProxy = references.useProxy) == null ? void 0 : _references$useProxy.forEach(function (path) {
    var _path$parentPath, _path$parentPath$get, _path$parentPath2, _path$parentPath2$par, _path$parentPath3, _path$parentPath3$get;

    var hook = helperModuleImports.addNamed(path, 'useSnapshot', 'valtio');
    var proxy = (_path$parentPath = path.parentPath) == null ? void 0 : (_path$parentPath$get = _path$parentPath.get('arguments.0')) == null ? void 0 : _path$parentPath$get.node;
    if (!t__namespace.isIdentifier(proxy)) throw new babelPluginMacros.MacroError('no proxy object');
    var snap = t__namespace.identifier("valtio_macro_snap_" + proxy.name);
    (_path$parentPath2 = path.parentPath) == null ? void 0 : (_path$parentPath2$par = _path$parentPath2.parentPath) == null ? void 0 : _path$parentPath2$par.replaceWith(t__namespace.variableDeclaration('const', [t__namespace.variableDeclarator(snap, t__namespace.callExpression(hook, [proxy]))]));
    var inFunction = 0;
    (_path$parentPath3 = path.parentPath) == null ? void 0 : (_path$parentPath3$get = _path$parentPath3.getFunctionParent()) == null ? void 0 : _path$parentPath3$get.traverse({
      Identifier: function Identifier(p) {
        if (inFunction === 0 && p.node !== proxy && p.node.name === proxy.name) {
          p.node.name = snap.name;
        }
      },
      Function: {
        enter: function enter() {
          ++inFunction;
        },
        exit: function exit() {
          --inFunction;
        }
      }
    });
  });
};

var macro$1 = babelPluginMacros.createMacro(macro, {
  configName: 'valtio'
});

exports["default"] = macro$1;