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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = _default;
var t = _interopRequireWildcard(require("@babel/types"));
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
const visitor = {
Scope(path, state) {
if (state.kind === "let") path.skip();
},
Function(path) {
path.skip();
},
VariableDeclaration(path, state) {
if (state.kind && path.node.kind !== state.kind) return;
const nodes = [];
const declarations = path.get("declarations");
let firstId;
for (const declar of declarations) {
firstId = declar.node.id;
if (declar.node.init) {
nodes.push(t.expressionStatement(t.assignmentExpression("=", declar.node.id, declar.node.init)));
}
for (const name of Object.keys(declar.getBindingIdentifiers())) {
state.emit(t.identifier(name), name, declar.node.init !== null);
}
}
if (path.parentPath.isFor({
left: path.node
})) {
path.replaceWith(firstId);
} else {
path.replaceWithMultiple(nodes);
}
}
};
function _default(path, emit, kind = "var") {
path.traverse(visitor, {
kind,
emit
});
}