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