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"use strict";
exports.__esModule = true;
var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck");
var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
var _binding = require("../binding");
var _binding2 = _interopRequireDefault(_binding);
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 }; }
var renameVisitor = {
ReferencedIdentifier: function ReferencedIdentifier(_ref, state) {
var node = _ref.node;
if (node.name === state.oldName) {
node.name = state.newName;
}
},
Scope: function Scope(path, state) {
if (!path.scope.bindingIdentifierEquals(state.oldName, state.binding.identifier)) {
path.skip();
}
},
"AssignmentExpression|Declaration": function AssignmentExpressionDeclaration(path, state) {
var ids = path.getOuterBindingIdentifiers();
for (var name in ids) {
if (name === state.oldName) ids[name].name = state.newName;
}
}
};
var Renamer = function () {
function Renamer(binding, oldName, newName) {
(0, _classCallCheck3.default)(this, Renamer);
this.newName = newName;
this.oldName = oldName;
this.binding = binding;
}
Renamer.prototype.maybeConvertFromExportDeclaration = function maybeConvertFromExportDeclaration(parentDeclar) {
var exportDeclar = parentDeclar.parentPath.isExportDeclaration() && parentDeclar.parentPath;
if (!exportDeclar) return;
var isDefault = exportDeclar.isExportDefaultDeclaration();
if (isDefault && (parentDeclar.isFunctionDeclaration() || parentDeclar.isClassDeclaration()) && !parentDeclar.node.id) {
parentDeclar.node.id = parentDeclar.scope.generateUidIdentifier("default");
}
var bindingIdentifiers = parentDeclar.getOuterBindingIdentifiers();
var specifiers = [];
for (var name in bindingIdentifiers) {
var localName = name === this.oldName ? this.newName : name;
var exportedName = isDefault ? "default" : name;
specifiers.push(t.exportSpecifier(t.identifier(localName), t.identifier(exportedName)));
}
if (specifiers.length) {
var aliasDeclar = t.exportNamedDeclaration(null, specifiers);
if (parentDeclar.isFunctionDeclaration()) {
aliasDeclar._blockHoist = 3;
}
exportDeclar.insertAfter(aliasDeclar);
exportDeclar.replaceWith(parentDeclar.node);
}
};
Renamer.prototype.maybeConvertFromClassFunctionDeclaration = function maybeConvertFromClassFunctionDeclaration(path) {
return;
if (!path.isFunctionDeclaration() && !path.isClassDeclaration()) return;
if (this.binding.kind !== "hoisted") return;
path.node.id = t.identifier(this.oldName);
path.node._blockHoist = 3;
path.replaceWith(t.variableDeclaration("let", [t.variableDeclarator(t.identifier(this.newName), t.toExpression(path.node))]));
};
Renamer.prototype.maybeConvertFromClassFunctionExpression = function maybeConvertFromClassFunctionExpression(path) {
return;
if (!path.isFunctionExpression() && !path.isClassExpression()) return;
if (this.binding.kind !== "local") return;
path.node.id = t.identifier(this.oldName);
this.binding.scope.parent.push({
id: t.identifier(this.newName)
});
path.replaceWith(t.assignmentExpression("=", t.identifier(this.newName), path.node));
};
Renamer.prototype.rename = function rename(block) {
var binding = this.binding,
oldName = this.oldName,
newName = this.newName;
var scope = binding.scope,
path = binding.path;
var parentDeclar = path.find(function (path) {
return path.isDeclaration() || path.isFunctionExpression();
});
if (parentDeclar) {
this.maybeConvertFromExportDeclaration(parentDeclar);
}
scope.traverse(block || scope.block, renameVisitor, this);
if (!block) {
scope.removeOwnBinding(oldName);
scope.bindings[newName] = binding;
this.binding.identifier.name = newName;
}
if (binding.type === "hoisted") {}
if (parentDeclar) {
this.maybeConvertFromClassFunctionDeclaration(parentDeclar);
this.maybeConvertFromClassFunctionExpression(parentDeclar);
}
};
return Renamer;
}();
exports.default = Renamer;
module.exports = exports["default"];
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