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- "use strict";
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.default = void 0;
- var _binding = require("../binding");
- var _helperSplitExportDeclaration = require("@babel/helper-split-export-declaration");
- var _t = require("@babel/types");
- const {
- VISITOR_KEYS,
- assignmentExpression,
- identifier,
- toExpression,
- variableDeclaration,
- variableDeclarator
- } = _t;
- const renameVisitor = {
- ReferencedIdentifier({
- node
- }, state) {
- if (node.name === state.oldName) {
- node.name = state.newName;
- }
- },
- Scope(path, state) {
- if (!path.scope.bindingIdentifierEquals(state.oldName, state.binding.identifier)) {
- skipAllButComputedMethodKey(path);
- }
- },
- "AssignmentExpression|Declaration|VariableDeclarator"(path, state) {
- if (path.isVariableDeclaration()) return;
- const ids = path.getOuterBindingIdentifiers();
- for (const name in ids) {
- if (name === state.oldName) ids[name].name = state.newName;
- }
- }
- };
- class Renamer {
- constructor(binding, oldName, newName) {
- this.newName = newName;
- this.oldName = oldName;
- this.binding = binding;
- }
- maybeConvertFromExportDeclaration(parentDeclar) {
- const maybeExportDeclar = parentDeclar.parentPath;
- if (!maybeExportDeclar.isExportDeclaration()) {
- return;
- }
- if (maybeExportDeclar.isExportDefaultDeclaration() && !maybeExportDeclar.get("declaration").node.id) {
- return;
- }
- (0, _helperSplitExportDeclaration.default)(maybeExportDeclar);
- }
- maybeConvertFromClassFunctionDeclaration(path) {
- return;
- if (!path.isFunctionDeclaration() && !path.isClassDeclaration()) return;
- if (this.binding.kind !== "hoisted") return;
- path.node.id = identifier(this.oldName);
- path.node._blockHoist = 3;
- path.replaceWith(variableDeclaration("let", [variableDeclarator(identifier(this.newName), toExpression(path.node))]));
- }
- maybeConvertFromClassFunctionExpression(path) {
- return;
- if (!path.isFunctionExpression() && !path.isClassExpression()) return;
- if (this.binding.kind !== "local") return;
- path.node.id = identifier(this.oldName);
- this.binding.scope.parent.push({
- id: identifier(this.newName)
- });
- path.replaceWith(assignmentExpression("=", identifier(this.newName), path.node));
- }
- rename(block) {
- const {
- binding,
- oldName,
- newName
- } = this;
- const {
- scope,
- path
- } = binding;
- const parentDeclar = path.find(path => path.isDeclaration() || path.isFunctionExpression() || path.isClassExpression());
- if (parentDeclar) {
- const bindingIds = parentDeclar.getOuterBindingIdentifiers();
- if (bindingIds[oldName] === binding.identifier) {
- this.maybeConvertFromExportDeclaration(parentDeclar);
- }
- }
- const blockToTraverse = block || scope.block;
- if ((blockToTraverse == null ? void 0 : blockToTraverse.type) === "SwitchStatement") {
- blockToTraverse.cases.forEach(c => {
- scope.traverse(c, renameVisitor, this);
- });
- } else {
- scope.traverse(blockToTraverse, renameVisitor, this);
- }
- if (!block) {
- scope.removeOwnBinding(oldName);
- scope.bindings[newName] = binding;
- this.binding.identifier.name = newName;
- }
- if (parentDeclar) {
- this.maybeConvertFromClassFunctionDeclaration(parentDeclar);
- this.maybeConvertFromClassFunctionExpression(parentDeclar);
- }
- }
- }
- exports.default = Renamer;
- function skipAllButComputedMethodKey(path) {
- if (!path.isMethod() || !path.node.computed) {
- path.skip();
- return;
- }
- const keys = VISITOR_KEYS[path.type];
- for (const key of keys) {
- if (key !== "key") path.skipKey(key);
- }
- }
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