"use strict";
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exports.__esModule = true;
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var _getIterator2 = require("babel-runtime/core-js/get-iterator");
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var _getIterator3 = _interopRequireDefault(_getIterator2);
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exports.default = function (_ref) {
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var t = _ref.types;
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var findBareSupers = {
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Super: function Super(path) {
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if (path.parentPath.isCallExpression({ callee: path.node })) {
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this.push(path.parentPath);
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}
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}
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};
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var referenceVisitor = {
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ReferencedIdentifier: function ReferencedIdentifier(path) {
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if (this.scope.hasOwnBinding(path.node.name)) {
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this.collision = true;
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path.skip();
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}
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}
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};
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var buildObjectDefineProperty = (0, _babelTemplate2.default)("\n Object.defineProperty(REF, KEY, {\n // configurable is false by default\n enumerable: true,\n writable: true,\n value: VALUE\n });\n ");
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var buildClassPropertySpec = function buildClassPropertySpec(ref, _ref2) {
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var key = _ref2.key,
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value = _ref2.value,
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computed = _ref2.computed;
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return buildObjectDefineProperty({
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REF: ref,
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KEY: t.isIdentifier(key) && !computed ? t.stringLiteral(key.name) : key,
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VALUE: value ? value : t.identifier("undefined")
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});
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};
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var buildClassPropertyNonSpec = function buildClassPropertyNonSpec(ref, _ref3) {
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var key = _ref3.key,
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value = _ref3.value,
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computed = _ref3.computed;
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return t.expressionStatement(t.assignmentExpression("=", t.memberExpression(ref, key, computed || t.isLiteral(key)), value));
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};
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return {
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inherits: require("babel-plugin-syntax-class-properties"),
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visitor: {
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Class: function Class(path, state) {
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var buildClassProperty = state.opts.spec ? buildClassPropertySpec : buildClassPropertyNonSpec;
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var isDerived = !!path.node.superClass;
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var constructor = void 0;
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var props = [];
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var body = path.get("body");
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for (var _iterator = body.get("body"), _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
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var _ref4;
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if (_isArray) {
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if (_i >= _iterator.length) break;
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_ref4 = _iterator[_i++];
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} else {
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_i = _iterator.next();
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if (_i.done) break;
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_ref4 = _i.value;
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}
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var _path = _ref4;
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if (_path.isClassProperty()) {
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props.push(_path);
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} else if (_path.isClassMethod({ kind: "constructor" })) {
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constructor = _path;
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}
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}
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if (!props.length) return;
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var nodes = [];
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var ref = void 0;
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if (path.isClassExpression() || !path.node.id) {
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(0, _babelHelperFunctionName2.default)(path);
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ref = path.scope.generateUidIdentifier("class");
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} else {
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ref = path.node.id;
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}
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var instanceBody = [];
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for (var _iterator2 = props, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : (0, _getIterator3.default)(_iterator2);;) {
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var _ref5;
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if (_isArray2) {
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if (_i2 >= _iterator2.length) break;
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_ref5 = _iterator2[_i2++];
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} else {
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_i2 = _iterator2.next();
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if (_i2.done) break;
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_ref5 = _i2.value;
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}
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var _prop = _ref5;
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var propNode = _prop.node;
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if (propNode.decorators && propNode.decorators.length > 0) continue;
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if (!state.opts.spec && !propNode.value) continue;
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var isStatic = propNode.static;
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if (isStatic) {
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nodes.push(buildClassProperty(ref, propNode));
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} else {
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if (!propNode.value) continue;
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instanceBody.push(buildClassProperty(t.thisExpression(), propNode));
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}
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}
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if (instanceBody.length) {
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if (!constructor) {
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var newConstructor = t.classMethod("constructor", t.identifier("constructor"), [], t.blockStatement([]));
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if (isDerived) {
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newConstructor.params = [t.restElement(t.identifier("args"))];
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newConstructor.body.body.push(t.returnStatement(t.callExpression(t.super(), [t.spreadElement(t.identifier("args"))])));
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}
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var _body$unshiftContaine = body.unshiftContainer("body", newConstructor);
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constructor = _body$unshiftContaine[0];
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}
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var collisionState = {
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collision: false,
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scope: constructor.scope
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};
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for (var _iterator3 = props, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : (0, _getIterator3.default)(_iterator3);;) {
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var _ref6;
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if (_isArray3) {
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if (_i3 >= _iterator3.length) break;
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_ref6 = _iterator3[_i3++];
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} else {
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_i3 = _iterator3.next();
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if (_i3.done) break;
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_ref6 = _i3.value;
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}
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var prop = _ref6;
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prop.traverse(referenceVisitor, collisionState);
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if (collisionState.collision) break;
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}
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if (collisionState.collision) {
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var initialisePropsRef = path.scope.generateUidIdentifier("initialiseProps");
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nodes.push(t.variableDeclaration("var", [t.variableDeclarator(initialisePropsRef, t.functionExpression(null, [], t.blockStatement(instanceBody)))]));
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instanceBody = [t.expressionStatement(t.callExpression(t.memberExpression(initialisePropsRef, t.identifier("call")), [t.thisExpression()]))];
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}
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if (isDerived) {
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var bareSupers = [];
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constructor.traverse(findBareSupers, bareSupers);
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for (var _iterator4 = bareSupers, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : (0, _getIterator3.default)(_iterator4);;) {
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var _ref7;
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if (_isArray4) {
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if (_i4 >= _iterator4.length) break;
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_ref7 = _iterator4[_i4++];
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} else {
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_i4 = _iterator4.next();
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if (_i4.done) break;
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_ref7 = _i4.value;
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}
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var bareSuper = _ref7;
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bareSuper.insertAfter(instanceBody);
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}
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} else {
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constructor.get("body").unshiftContainer("body", instanceBody);
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}
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}
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for (var _iterator5 = props, _isArray5 = Array.isArray(_iterator5), _i5 = 0, _iterator5 = _isArray5 ? _iterator5 : (0, _getIterator3.default)(_iterator5);;) {
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var _ref8;
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if (_isArray5) {
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if (_i5 >= _iterator5.length) break;
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_ref8 = _iterator5[_i5++];
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} else {
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_i5 = _iterator5.next();
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if (_i5.done) break;
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_ref8 = _i5.value;
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}
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var _prop2 = _ref8;
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_prop2.remove();
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}
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if (!nodes.length) return;
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if (path.isClassExpression()) {
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path.scope.push({ id: ref });
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path.replaceWith(t.assignmentExpression("=", ref, path.node));
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} else {
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if (!path.node.id) {
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path.node.id = ref;
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}
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if (path.parentPath.isExportDeclaration()) {
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path = path.parentPath;
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}
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}
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path.insertAfter(nodes);
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},
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ArrowFunctionExpression: function ArrowFunctionExpression(path) {
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var classExp = path.get("body");
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if (!classExp.isClassExpression()) return;
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var body = classExp.get("body");
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var members = body.get("body");
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if (members.some(function (member) {
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return member.isClassProperty();
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})) {
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path.ensureBlock();
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}
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}
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}
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};
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};
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var _babelHelperFunctionName = require("babel-helper-function-name");
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var _babelHelperFunctionName2 = _interopRequireDefault(_babelHelperFunctionName);
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var _babelTemplate = require("babel-template");
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var _babelTemplate2 = _interopRequireDefault(_babelTemplate);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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module.exports = exports["default"];
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