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| "use strict";
|
| Object.defineProperty(exports, "__esModule", {
| value: true
| });
| exports.default = hoistVariables;
|
| var _t = require("@babel/types");
|
| const {
| assignmentExpression,
| expressionStatement,
| identifier
| } = _t;
| const visitor = {
| Scope(path, state) {
| if (state.kind === "let") path.skip();
| },
|
| FunctionParent(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(expressionStatement(assignmentExpression("=", declar.node.id, declar.node.init)));
| }
|
| for (const name of Object.keys(declar.getBindingIdentifiers())) {
| state.emit(identifier(name), name, declar.node.init !== null);
| }
| }
|
| if (path.parentPath.isFor({
| left: path.node
| })) {
| path.replaceWith(firstId);
| } else {
| path.replaceWithMultiple(nodes);
| }
| }
|
| };
|
| function hoistVariables(path, emit, kind = "var") {
| path.traverse(visitor, {
| kind,
| emit
| });
| }
|
|
