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monjack
2025-06-20 18:01:48 +08:00
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"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
};
}
//# sourceMappingURL=for-await.js.map

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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _helperPluginUtils = require("@babel/helper-plugin-utils");
var _helperRemapAsyncToGenerator = require("@babel/helper-remap-async-to-generator");
var _core = require("@babel/core");
var _traverse = require("@babel/traverse");
var _forAwait = require("./for-await.js");
var _default = exports.default = (0, _helperPluginUtils.declare)(api => {
api.assertVersion("^7.0.0-0 || >8.0.0-alpha <8.0.0-beta");
const yieldStarVisitor = _traverse.visitors.environmentVisitor({
ArrowFunctionExpression(path) {
path.skip();
},
YieldExpression({
node
}, state) {
if (!node.delegate) return;
const asyncIter = _core.types.callExpression(state.addHelper("asyncIterator"), [node.argument]);
node.argument = _core.types.callExpression(state.addHelper("asyncGeneratorDelegate"), [asyncIter, state.addHelper("awaitAsyncGenerator")]);
}
});
const forAwaitVisitor = _traverse.visitors.environmentVisitor({
ArrowFunctionExpression(path) {
path.skip();
},
ForOfStatement(path, {
file
}) {
const {
node
} = path;
if (!node.await) return;
const build = (0, _forAwait.default)(path, {
getAsyncIterator: file.addHelper("asyncIterator")
});
const {
declar,
loop
} = build;
const block = loop.body;
path.ensureBlock();
if (declar) {
block.body.push(declar);
if (path.node.body.body.length) {
block.body.push(_core.types.blockStatement(path.node.body.body));
}
} else {
block.body.push(...path.node.body.body);
}
_core.types.inherits(loop, node);
_core.types.inherits(loop.body, node.body);
const p = build.replaceParent ? path.parentPath : path;
p.replaceWithMultiple(build.node);
p.scope.parent.crawl();
}
});
const visitor = {
Function(path, state) {
if (!path.node.async) return;
path.traverse(forAwaitVisitor, state);
if (!path.node.generator) return;
path.traverse(yieldStarVisitor, state);
path.setData("@babel/plugin-transform-async-generator-functions/async_generator_function", true);
(0, _helperRemapAsyncToGenerator.default)(path, {
wrapAsync: state.addHelper("wrapAsyncGenerator"),
wrapAwait: state.addHelper("awaitAsyncGenerator")
});
}
};
return {
name: "transform-async-generator-functions",
manipulateOptions: (_, parser) => parser.plugins.push("asyncGenerators"),
visitor: {
Program(path, state) {
path.traverse(visitor, state);
}
}
};
});
//# sourceMappingURL=index.js.map

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