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- "use strict";
- exports.__esModule = true;
- var _getIterator2 = require("babel-runtime/core-js/get-iterator");
- var _getIterator3 = _interopRequireDefault(_getIterator2);
- exports.default = function (classPath) {
- classPath.assertClass();
- var memoisedExpressions = [];
- function maybeMemoise(path) {
- if (!path.node || path.isPure()) return;
- var uid = classPath.scope.generateDeclaredUidIdentifier();
- memoisedExpressions.push(t.assignmentExpression("=", uid, path.node));
- path.replaceWith(uid);
- }
- function memoiseDecorators(paths) {
- if (!Array.isArray(paths) || !paths.length) return;
- paths = paths.reverse();
- (0, _babelHelperBindifyDecorators2.default)(paths);
- for (var _iterator = paths, _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 path = _ref;
- maybeMemoise(path);
- }
- }
- maybeMemoise(classPath.get("superClass"));
- memoiseDecorators(classPath.get("decorators"), true);
- var methods = classPath.get("body.body");
- for (var _iterator2 = methods, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : (0, _getIterator3.default)(_iterator2);;) {
- var _ref2;
- if (_isArray2) {
- if (_i2 >= _iterator2.length) break;
- _ref2 = _iterator2[_i2++];
- } else {
- _i2 = _iterator2.next();
- if (_i2.done) break;
- _ref2 = _i2.value;
- }
- var methodPath = _ref2;
- if (methodPath.is("computed")) {
- maybeMemoise(methodPath.get("key"));
- }
- if (methodPath.has("decorators")) {
- memoiseDecorators(classPath.get("decorators"));
- }
- }
- if (memoisedExpressions) {
- classPath.insertBefore(memoisedExpressions.map(function (expr) {
- return t.expressionStatement(expr);
- }));
- }
- };
- var _babelHelperBindifyDecorators = require("babel-helper-bindify-decorators");
- var _babelHelperBindifyDecorators2 = _interopRequireDefault(_babelHelperBindifyDecorators);
- 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 }; }
- module.exports = exports["default"];
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