71 lines
2.1 KiB
JavaScript
71 lines
2.1 KiB
JavaScript
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"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 (path, emit) {
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var kind = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : "var";
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path.traverse(visitor, { kind: kind, emit: emit });
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};
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var _babelTypes = require("babel-types");
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var t = _interopRequireWildcard(_babelTypes);
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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; } }
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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var visitor = {
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Scope: function Scope(path, state) {
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if (state.kind === "let") path.skip();
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},
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Function: function Function(path) {
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path.skip();
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},
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VariableDeclaration: function VariableDeclaration(path, state) {
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if (state.kind && path.node.kind !== state.kind) return;
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var nodes = [];
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var declarations = path.get("declarations");
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var firstId = void 0;
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for (var _iterator = declarations, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
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var _ref;
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if (_isArray) {
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if (_i >= _iterator.length) break;
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_ref = _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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_ref = _i.value;
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}
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var declar = _ref;
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firstId = declar.node.id;
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if (declar.node.init) {
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nodes.push(t.expressionStatement(t.assignmentExpression("=", declar.node.id, declar.node.init)));
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}
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for (var name in declar.getBindingIdentifiers()) {
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state.emit(t.identifier(name), name);
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}
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}
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if (path.parentPath.isFor({ left: path.node })) {
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path.replaceWith(firstId);
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} else {
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path.replaceWithMultiple(nodes);
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}
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}
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};
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module.exports = exports["default"];
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