setup-php/node_modules/@babel/helper-hoist-variables/lib/index.js
2019-09-20 21:54:46 +05:30

63 lines
1.7 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = _default;
function t() {
const data = _interopRequireWildcard(require("@babel/types"));
t = function () {
return data;
};
return data;
}
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)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; 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
});
}