| "use strict"; |
| |
| Object.defineProperty(exports, "__esModule", { |
| value: true |
| }); |
| exports.default = _default; |
| |
| var _core = require("@babel/core"); |
| |
| const buildForAwait = (0, _core.template)(` |
| async function wrapper() { |
| var ITERATOR_ABRUPT_COMPLETION = false; |
| var ITERATOR_HAD_ERROR_KEY = false; |
| var ITERATOR_ERROR_KEY; |
| try { |
| for ( |
| var ITERATOR_KEY = GET_ITERATOR(OBJECT), STEP_KEY; |
| ITERATOR_ABRUPT_COMPLETION = !(STEP_KEY = await ITERATOR_KEY.next()).done; |
| ITERATOR_ABRUPT_COMPLETION = false |
| ) { |
| } |
| } catch (err) { |
| ITERATOR_HAD_ERROR_KEY = true; |
| ITERATOR_ERROR_KEY = err; |
| } finally { |
| try { |
| if (ITERATOR_ABRUPT_COMPLETION && ITERATOR_KEY.return != null) { |
| await ITERATOR_KEY.return(); |
| } |
| } finally { |
| if (ITERATOR_HAD_ERROR_KEY) { |
| throw ITERATOR_ERROR_KEY; |
| } |
| } |
| } |
| } |
| `); |
| |
| function _default(path, { |
| getAsyncIterator |
| }) { |
| const { |
| node, |
| scope, |
| parent |
| } = path; |
| const stepKey = scope.generateUidIdentifier("step"); |
| |
| const stepValue = _core.types.memberExpression(stepKey, _core.types.identifier("value")); |
| |
| const left = node.left; |
| let declar; |
| |
| if (_core.types.isIdentifier(left) || _core.types.isPattern(left) || _core.types.isMemberExpression(left)) { |
| declar = _core.types.expressionStatement(_core.types.assignmentExpression("=", left, stepValue)); |
| } else if (_core.types.isVariableDeclaration(left)) { |
| declar = _core.types.variableDeclaration(left.kind, [_core.types.variableDeclarator(left.declarations[0].id, stepValue)]); |
| } |
| |
| let template = buildForAwait({ |
| ITERATOR_HAD_ERROR_KEY: scope.generateUidIdentifier("didIteratorError"), |
| ITERATOR_ABRUPT_COMPLETION: scope.generateUidIdentifier("iteratorAbruptCompletion"), |
| ITERATOR_ERROR_KEY: scope.generateUidIdentifier("iteratorError"), |
| ITERATOR_KEY: scope.generateUidIdentifier("iterator"), |
| GET_ITERATOR: getAsyncIterator, |
| OBJECT: node.right, |
| STEP_KEY: _core.types.cloneNode(stepKey) |
| }); |
| template = template.body.body; |
| |
| const isLabeledParent = _core.types.isLabeledStatement(parent); |
| |
| const tryBody = template[3].block.body; |
| const loop = tryBody[0]; |
| |
| if (isLabeledParent) { |
| tryBody[0] = _core.types.labeledStatement(parent.label, loop); |
| } |
| |
| return { |
| replaceParent: isLabeledParent, |
| node: template, |
| declar, |
| loop |
| }; |
| } |