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1056 lines
40 KiB
1056 lines
40 KiB
"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.buildCheckInRHS = buildCheckInRHS;
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exports.buildFieldsInitNodes = buildFieldsInitNodes;
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exports.buildPrivateNamesMap = buildPrivateNamesMap;
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exports.buildPrivateNamesNodes = buildPrivateNamesNodes;
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exports.privateNameVisitorFactory = privateNameVisitorFactory;
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exports.transformPrivateNamesUsage = transformPrivateNamesUsage;
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var _core = require("@babel/core");
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var _traverse = require("@babel/traverse");
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var _helperReplaceSupers = require("@babel/helper-replace-supers");
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var _helperMemberExpressionToFunctions = require("@babel/helper-member-expression-to-functions");
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var _helperOptimiseCallExpression = require("@babel/helper-optimise-call-expression");
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var _helperAnnotateAsPure = require("@babel/helper-annotate-as-pure");
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var _helperSkipTransparentExpressionWrappers = require("@babel/helper-skip-transparent-expression-wrappers");
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var ts = require("./typescript.js");
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{
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var newHelpers = file => {
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;
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return file.availableHelper("classPrivateFieldGet2");
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};
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}
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function buildPrivateNamesMap(className, privateFieldsAsSymbolsOrProperties, props, file) {
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const privateNamesMap = new Map();
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let classBrandId;
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for (const prop of props) {
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if (prop.isPrivate()) {
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const {
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name
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} = prop.node.key.id;
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let update = privateNamesMap.get(name);
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if (!update) {
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const isMethod = !prop.isProperty();
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const isStatic = prop.node.static;
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let initAdded = false;
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let id;
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if (!privateFieldsAsSymbolsOrProperties && newHelpers(file) && isMethod && !isStatic) {
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var _classBrandId;
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initAdded = !!classBrandId;
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(_classBrandId = classBrandId) != null ? _classBrandId : classBrandId = prop.scope.generateUidIdentifier(`${className}_brand`);
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id = classBrandId;
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} else {
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id = prop.scope.generateUidIdentifier(name);
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}
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update = {
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id,
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static: isStatic,
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method: isMethod,
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initAdded
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};
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privateNamesMap.set(name, update);
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}
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if (prop.isClassPrivateMethod()) {
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if (prop.node.kind === "get") {
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const {
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body
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} = prop.node.body;
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let $;
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if (body.length === 1 && _core.types.isReturnStatement($ = body[0]) && _core.types.isCallExpression($ = $.argument) && $.arguments.length === 1 && _core.types.isThisExpression($.arguments[0]) && _core.types.isIdentifier($ = $.callee)) {
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update.getId = _core.types.cloneNode($);
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update.getterDeclared = true;
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} else {
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update.getId = prop.scope.generateUidIdentifier(`get_${name}`);
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}
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} else if (prop.node.kind === "set") {
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const {
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params
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} = prop.node;
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const {
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body
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} = prop.node.body;
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let $;
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if (body.length === 1 && _core.types.isExpressionStatement($ = body[0]) && _core.types.isCallExpression($ = $.expression) && $.arguments.length === 2 && _core.types.isThisExpression($.arguments[0]) && _core.types.isIdentifier($.arguments[1], {
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name: params[0].name
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}) && _core.types.isIdentifier($ = $.callee)) {
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update.setId = _core.types.cloneNode($);
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update.setterDeclared = true;
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} else {
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update.setId = prop.scope.generateUidIdentifier(`set_${name}`);
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}
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} else if (prop.node.kind === "method") {
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update.methodId = prop.scope.generateUidIdentifier(name);
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}
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}
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privateNamesMap.set(name, update);
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}
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}
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return privateNamesMap;
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}
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function buildPrivateNamesNodes(privateNamesMap, privateFieldsAsProperties, privateFieldsAsSymbols, state) {
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const initNodes = [];
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const injectedIds = new Set();
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for (const [name, value] of privateNamesMap) {
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const {
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static: isStatic,
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method: isMethod,
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getId,
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setId
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} = value;
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const isGetterOrSetter = getId || setId;
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const id = _core.types.cloneNode(value.id);
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let init;
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if (privateFieldsAsProperties) {
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init = _core.types.callExpression(state.addHelper("classPrivateFieldLooseKey"), [_core.types.stringLiteral(name)]);
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} else if (privateFieldsAsSymbols) {
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init = _core.types.callExpression(_core.types.identifier("Symbol"), [_core.types.stringLiteral(name)]);
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} else if (!isStatic) {
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if (injectedIds.has(id.name)) continue;
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injectedIds.add(id.name);
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init = _core.types.newExpression(_core.types.identifier(isMethod && (!isGetterOrSetter || newHelpers(state)) ? "WeakSet" : "WeakMap"), []);
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}
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if (init) {
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if (!privateFieldsAsSymbols) {
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(0, _helperAnnotateAsPure.default)(init);
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}
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initNodes.push(_core.template.statement.ast`var ${id} = ${init}`);
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}
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}
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return initNodes;
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}
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function privateNameVisitorFactory(visitor) {
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const nestedVisitor = _traverse.visitors.environmentVisitor(Object.assign({}, visitor));
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const privateNameVisitor = Object.assign({}, visitor, {
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Class(path) {
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const {
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privateNamesMap
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} = this;
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const body = path.get("body.body");
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const visiblePrivateNames = new Map(privateNamesMap);
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const redeclared = [];
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for (const prop of body) {
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if (!prop.isPrivate()) continue;
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const {
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name
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} = prop.node.key.id;
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visiblePrivateNames.delete(name);
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redeclared.push(name);
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}
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if (!redeclared.length) {
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return;
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}
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path.get("body").traverse(nestedVisitor, Object.assign({}, this, {
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redeclared
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}));
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path.traverse(privateNameVisitor, Object.assign({}, this, {
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privateNamesMap: visiblePrivateNames
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}));
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path.skipKey("body");
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}
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});
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return privateNameVisitor;
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}
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const privateNameVisitor = privateNameVisitorFactory({
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PrivateName(path, {
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noDocumentAll
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}) {
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const {
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privateNamesMap,
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redeclared
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} = this;
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const {
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node,
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parentPath
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} = path;
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if (!parentPath.isMemberExpression({
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property: node
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}) && !parentPath.isOptionalMemberExpression({
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property: node
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})) {
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return;
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}
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const {
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name
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} = node.id;
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if (!privateNamesMap.has(name)) return;
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if (redeclared != null && redeclared.includes(name)) return;
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this.handle(parentPath, noDocumentAll);
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}
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});
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function unshadow(name, scope, innerBinding) {
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while ((_scope = scope) != null && _scope.hasBinding(name) && !scope.bindingIdentifierEquals(name, innerBinding)) {
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var _scope;
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scope.rename(name);
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scope = scope.parent;
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}
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}
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function buildCheckInRHS(rhs, file, inRHSIsObject) {
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if (inRHSIsObject || !(file.availableHelper != null && file.availableHelper("checkInRHS"))) return rhs;
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return _core.types.callExpression(file.addHelper("checkInRHS"), [rhs]);
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}
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const privateInVisitor = privateNameVisitorFactory({
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BinaryExpression(path, {
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file
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}) {
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const {
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operator,
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left,
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right
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} = path.node;
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if (operator !== "in") return;
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if (!_core.types.isPrivateName(left)) return;
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const {
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privateFieldsAsProperties,
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privateNamesMap,
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redeclared
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} = this;
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const {
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name
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} = left.id;
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if (!privateNamesMap.has(name)) return;
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if (redeclared != null && redeclared.includes(name)) return;
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unshadow(this.classRef.name, path.scope, this.innerBinding);
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if (privateFieldsAsProperties) {
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const {
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id
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} = privateNamesMap.get(name);
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path.replaceWith(_core.template.expression.ast`
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Object.prototype.hasOwnProperty.call(${buildCheckInRHS(right, file)}, ${_core.types.cloneNode(id)})
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`);
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return;
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}
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const {
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id,
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static: isStatic
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} = privateNamesMap.get(name);
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if (isStatic) {
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path.replaceWith(_core.template.expression.ast`${buildCheckInRHS(right, file)} === ${_core.types.cloneNode(this.classRef)}`);
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return;
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}
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path.replaceWith(_core.template.expression.ast`${_core.types.cloneNode(id)}.has(${buildCheckInRHS(right, file)})`);
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}
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});
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function readOnlyError(file, name) {
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return _core.types.callExpression(file.addHelper("readOnlyError"), [_core.types.stringLiteral(`#${name}`)]);
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}
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function writeOnlyError(file, name) {
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if (!file.availableHelper("writeOnlyError")) {
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console.warn(`@babel/helpers is outdated, update it to silence this warning.`);
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return _core.types.buildUndefinedNode();
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}
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return _core.types.callExpression(file.addHelper("writeOnlyError"), [_core.types.stringLiteral(`#${name}`)]);
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}
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function buildStaticPrivateFieldAccess(expr, noUninitializedPrivateFieldAccess) {
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if (noUninitializedPrivateFieldAccess) return expr;
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return _core.types.memberExpression(expr, _core.types.identifier("_"));
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}
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function autoInherits(fn) {
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return function (member) {
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return _core.types.inherits(fn.apply(this, arguments), member.node);
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};
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}
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const privateNameHandlerSpec = {
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memoise(member, count) {
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const {
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scope
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} = member;
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const {
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object
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} = member.node;
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const memo = scope.maybeGenerateMemoised(object);
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if (!memo) {
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return;
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}
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this.memoiser.set(object, memo, count);
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},
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receiver(member) {
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const {
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object
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} = member.node;
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if (this.memoiser.has(object)) {
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return _core.types.cloneNode(this.memoiser.get(object));
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}
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return _core.types.cloneNode(object);
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},
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get: autoInherits(function (member) {
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const {
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classRef,
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privateNamesMap,
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file,
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innerBinding,
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noUninitializedPrivateFieldAccess
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} = this;
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const privateName = member.node.property;
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const {
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name
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} = privateName.id;
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const {
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id,
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static: isStatic,
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method: isMethod,
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methodId,
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getId,
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setId
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} = privateNamesMap.get(name);
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const isGetterOrSetter = getId || setId;
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const cloneId = id => _core.types.inherits(_core.types.cloneNode(id), privateName);
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if (isStatic) {
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unshadow(classRef.name, member.scope, innerBinding);
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if (!newHelpers(file)) {
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const helperName = isMethod && !isGetterOrSetter ? "classStaticPrivateMethodGet" : "classStaticPrivateFieldSpecGet";
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return _core.types.callExpression(file.addHelper(helperName), [this.receiver(member), _core.types.cloneNode(classRef), cloneId(id)]);
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}
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const receiver = this.receiver(member);
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const skipCheck = _core.types.isIdentifier(receiver) && receiver.name === classRef.name;
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if (!isMethod) {
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if (skipCheck) {
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return buildStaticPrivateFieldAccess(cloneId(id), noUninitializedPrivateFieldAccess);
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}
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return buildStaticPrivateFieldAccess(_core.types.callExpression(file.addHelper("assertClassBrand"), [_core.types.cloneNode(classRef), receiver, cloneId(id)]), noUninitializedPrivateFieldAccess);
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}
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if (getId) {
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if (skipCheck) {
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return _core.types.callExpression(cloneId(getId), [receiver]);
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}
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return _core.types.callExpression(file.addHelper("classPrivateGetter"), [_core.types.cloneNode(classRef), receiver, cloneId(getId)]);
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}
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if (setId) {
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const err = _core.types.buildUndefinedNode();
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if (skipCheck) return err;
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return _core.types.sequenceExpression([_core.types.callExpression(file.addHelper("assertClassBrand"), [_core.types.cloneNode(classRef), receiver]), err]);
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}
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if (skipCheck) return cloneId(id);
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return _core.types.callExpression(file.addHelper("assertClassBrand"), [_core.types.cloneNode(classRef), receiver, cloneId(id)]);
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}
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if (isMethod) {
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if (isGetterOrSetter) {
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if (!getId) {
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return _core.types.sequenceExpression([this.receiver(member), writeOnlyError(file, name)]);
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}
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if (!newHelpers(file)) {
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return _core.types.callExpression(file.addHelper("classPrivateFieldGet"), [this.receiver(member), cloneId(id)]);
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}
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return _core.types.callExpression(file.addHelper("classPrivateGetter"), [_core.types.cloneNode(id), this.receiver(member), cloneId(getId)]);
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}
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if (!newHelpers(file)) {
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return _core.types.callExpression(file.addHelper("classPrivateMethodGet"), [this.receiver(member), _core.types.cloneNode(id), cloneId(methodId)]);
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}
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return _core.types.callExpression(file.addHelper("assertClassBrand"), [_core.types.cloneNode(id), this.receiver(member), cloneId(methodId)]);
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}
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if (newHelpers(file)) {
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return _core.types.callExpression(file.addHelper("classPrivateFieldGet2"), [cloneId(id), this.receiver(member)]);
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}
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return _core.types.callExpression(file.addHelper("classPrivateFieldGet"), [this.receiver(member), cloneId(id)]);
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}),
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boundGet(member) {
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this.memoise(member, 1);
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return _core.types.callExpression(_core.types.memberExpression(this.get(member), _core.types.identifier("bind")), [this.receiver(member)]);
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},
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set: autoInherits(function (member, value) {
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const {
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classRef,
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privateNamesMap,
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file,
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noUninitializedPrivateFieldAccess
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} = this;
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const privateName = member.node.property;
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const {
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name
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} = privateName.id;
|
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const {
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id,
|
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static: isStatic,
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method: isMethod,
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setId,
|
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getId
|
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} = privateNamesMap.get(name);
|
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const isGetterOrSetter = getId || setId;
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const cloneId = id => _core.types.inherits(_core.types.cloneNode(id), privateName);
|
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if (isStatic) {
|
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if (!newHelpers(file)) {
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const helperName = isMethod && !isGetterOrSetter ? "classStaticPrivateMethodSet" : "classStaticPrivateFieldSpecSet";
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return _core.types.callExpression(file.addHelper(helperName), [this.receiver(member), _core.types.cloneNode(classRef), cloneId(id), value]);
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}
|
|
const receiver = this.receiver(member);
|
|
const skipCheck = _core.types.isIdentifier(receiver) && receiver.name === classRef.name;
|
|
if (isMethod && !setId) {
|
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const err = readOnlyError(file, name);
|
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if (skipCheck) return _core.types.sequenceExpression([value, err]);
|
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return _core.types.sequenceExpression([value, _core.types.callExpression(file.addHelper("assertClassBrand"), [_core.types.cloneNode(classRef), receiver]), readOnlyError(file, name)]);
|
|
}
|
|
if (setId) {
|
|
if (skipCheck) {
|
|
return _core.types.callExpression(_core.types.cloneNode(setId), [receiver, value]);
|
|
}
|
|
return _core.types.callExpression(file.addHelper("classPrivateSetter"), [_core.types.cloneNode(classRef), cloneId(setId), receiver, value]);
|
|
}
|
|
return _core.types.assignmentExpression("=", buildStaticPrivateFieldAccess(cloneId(id), noUninitializedPrivateFieldAccess), skipCheck ? value : _core.types.callExpression(file.addHelper("assertClassBrand"), [_core.types.cloneNode(classRef), receiver, value]));
|
|
}
|
|
if (isMethod) {
|
|
if (setId) {
|
|
if (!newHelpers(file)) {
|
|
return _core.types.callExpression(file.addHelper("classPrivateFieldSet"), [this.receiver(member), cloneId(id), value]);
|
|
}
|
|
return _core.types.callExpression(file.addHelper("classPrivateSetter"), [_core.types.cloneNode(id), cloneId(setId), this.receiver(member), value]);
|
|
}
|
|
return _core.types.sequenceExpression([this.receiver(member), value, readOnlyError(file, name)]);
|
|
}
|
|
if (newHelpers(file)) {
|
|
return _core.types.callExpression(file.addHelper("classPrivateFieldSet2"), [cloneId(id), this.receiver(member), value]);
|
|
}
|
|
return _core.types.callExpression(file.addHelper("classPrivateFieldSet"), [this.receiver(member), cloneId(id), value]);
|
|
}),
|
|
destructureSet(member) {
|
|
const {
|
|
classRef,
|
|
privateNamesMap,
|
|
file,
|
|
noUninitializedPrivateFieldAccess
|
|
} = this;
|
|
const privateName = member.node.property;
|
|
const {
|
|
name
|
|
} = privateName.id;
|
|
const {
|
|
id,
|
|
static: isStatic,
|
|
method: isMethod,
|
|
setId
|
|
} = privateNamesMap.get(name);
|
|
const cloneId = id => _core.types.inherits(_core.types.cloneNode(id), privateName);
|
|
if (!newHelpers(file)) {
|
|
if (isStatic) {
|
|
try {
|
|
var helper = file.addHelper("classStaticPrivateFieldDestructureSet");
|
|
} catch (_unused) {
|
|
throw new Error("Babel can not transpile `[C.#p] = [0]` with @babel/helpers < 7.13.10, \n" + "please update @babel/helpers to the latest version.");
|
|
}
|
|
return _core.types.memberExpression(_core.types.callExpression(helper, [this.receiver(member), _core.types.cloneNode(classRef), cloneId(id)]), _core.types.identifier("value"));
|
|
}
|
|
return _core.types.memberExpression(_core.types.callExpression(file.addHelper("classPrivateFieldDestructureSet"), [this.receiver(member), cloneId(id)]), _core.types.identifier("value"));
|
|
}
|
|
if (isMethod && !setId) {
|
|
return _core.types.memberExpression(_core.types.sequenceExpression([member.node.object, readOnlyError(file, name)]), _core.types.identifier("_"));
|
|
}
|
|
if (isStatic && !isMethod) {
|
|
const getCall = this.get(member);
|
|
if (!noUninitializedPrivateFieldAccess || !_core.types.isCallExpression(getCall)) {
|
|
return getCall;
|
|
}
|
|
const ref = getCall.arguments.pop();
|
|
getCall.arguments.push(_core.template.expression.ast`(_) => ${ref} = _`);
|
|
return _core.types.memberExpression(_core.types.callExpression(file.addHelper("toSetter"), [getCall]), _core.types.identifier("_"));
|
|
}
|
|
const setCall = this.set(member, _core.types.identifier("_"));
|
|
if (!_core.types.isCallExpression(setCall) || !_core.types.isIdentifier(setCall.arguments[setCall.arguments.length - 1], {
|
|
name: "_"
|
|
})) {
|
|
throw member.buildCodeFrameError("Internal Babel error while compiling this code. This is a Babel bug. " + "Please report it at https://github.com/babel/babel/issues.");
|
|
}
|
|
let args;
|
|
if (_core.types.isMemberExpression(setCall.callee, {
|
|
computed: false
|
|
}) && _core.types.isIdentifier(setCall.callee.property) && setCall.callee.property.name === "call") {
|
|
args = [setCall.callee.object, _core.types.arrayExpression(setCall.arguments.slice(1, -1)), setCall.arguments[0]];
|
|
} else {
|
|
args = [setCall.callee, _core.types.arrayExpression(setCall.arguments.slice(0, -1))];
|
|
}
|
|
return _core.types.memberExpression(_core.types.callExpression(file.addHelper("toSetter"), args), _core.types.identifier("_"));
|
|
},
|
|
call(member, args) {
|
|
this.memoise(member, 1);
|
|
return (0, _helperOptimiseCallExpression.default)(this.get(member), this.receiver(member), args, false);
|
|
},
|
|
optionalCall(member, args) {
|
|
this.memoise(member, 1);
|
|
return (0, _helperOptimiseCallExpression.default)(this.get(member), this.receiver(member), args, true);
|
|
},
|
|
delete() {
|
|
throw new Error("Internal Babel error: deleting private elements is a parsing error.");
|
|
}
|
|
};
|
|
const privateNameHandlerLoose = {
|
|
get(member) {
|
|
const {
|
|
privateNamesMap,
|
|
file
|
|
} = this;
|
|
const {
|
|
object
|
|
} = member.node;
|
|
const {
|
|
name
|
|
} = member.node.property.id;
|
|
return _core.template.expression`BASE(REF, PROP)[PROP]`({
|
|
BASE: file.addHelper("classPrivateFieldLooseBase"),
|
|
REF: _core.types.cloneNode(object),
|
|
PROP: _core.types.cloneNode(privateNamesMap.get(name).id)
|
|
});
|
|
},
|
|
set() {
|
|
throw new Error("private name handler with loose = true don't need set()");
|
|
},
|
|
boundGet(member) {
|
|
return _core.types.callExpression(_core.types.memberExpression(this.get(member), _core.types.identifier("bind")), [_core.types.cloneNode(member.node.object)]);
|
|
},
|
|
simpleSet(member) {
|
|
return this.get(member);
|
|
},
|
|
destructureSet(member) {
|
|
return this.get(member);
|
|
},
|
|
call(member, args) {
|
|
return _core.types.callExpression(this.get(member), args);
|
|
},
|
|
optionalCall(member, args) {
|
|
return _core.types.optionalCallExpression(this.get(member), args, true);
|
|
},
|
|
delete() {
|
|
throw new Error("Internal Babel error: deleting private elements is a parsing error.");
|
|
}
|
|
};
|
|
function transformPrivateNamesUsage(ref, path, privateNamesMap, {
|
|
privateFieldsAsProperties,
|
|
noUninitializedPrivateFieldAccess,
|
|
noDocumentAll,
|
|
innerBinding
|
|
}, state) {
|
|
if (!privateNamesMap.size) return;
|
|
const body = path.get("body");
|
|
const handler = privateFieldsAsProperties ? privateNameHandlerLoose : privateNameHandlerSpec;
|
|
(0, _helperMemberExpressionToFunctions.default)(body, privateNameVisitor, Object.assign({
|
|
privateNamesMap,
|
|
classRef: ref,
|
|
file: state
|
|
}, handler, {
|
|
noDocumentAll,
|
|
noUninitializedPrivateFieldAccess,
|
|
innerBinding
|
|
}));
|
|
body.traverse(privateInVisitor, {
|
|
privateNamesMap,
|
|
classRef: ref,
|
|
file: state,
|
|
privateFieldsAsProperties,
|
|
innerBinding
|
|
});
|
|
}
|
|
function buildPrivateFieldInitLoose(ref, prop, privateNamesMap) {
|
|
const {
|
|
id
|
|
} = privateNamesMap.get(prop.node.key.id.name);
|
|
const value = prop.node.value || prop.scope.buildUndefinedNode();
|
|
return inheritPropComments(_core.template.statement.ast`
|
|
Object.defineProperty(${ref}, ${_core.types.cloneNode(id)}, {
|
|
// configurable is false by default
|
|
// enumerable is false by default
|
|
writable: true,
|
|
value: ${value}
|
|
});
|
|
`, prop);
|
|
}
|
|
function buildPrivateInstanceFieldInitSpec(ref, prop, privateNamesMap, state) {
|
|
const {
|
|
id
|
|
} = privateNamesMap.get(prop.node.key.id.name);
|
|
const value = prop.node.value || prop.scope.buildUndefinedNode();
|
|
{
|
|
if (!state.availableHelper("classPrivateFieldInitSpec")) {
|
|
return inheritPropComments(_core.template.statement.ast`${_core.types.cloneNode(id)}.set(${ref}, {
|
|
// configurable is always false for private elements
|
|
// enumerable is always false for private elements
|
|
writable: true,
|
|
value: ${value},
|
|
})`, prop);
|
|
}
|
|
}
|
|
const helper = state.addHelper("classPrivateFieldInitSpec");
|
|
return inheritLoc(inheritPropComments(_core.types.expressionStatement(_core.types.callExpression(helper, [_core.types.thisExpression(), inheritLoc(_core.types.cloneNode(id), prop.node.key), newHelpers(state) ? value : _core.template.expression.ast`{ writable: true, value: ${value} }`])), prop), prop.node);
|
|
}
|
|
function buildPrivateStaticFieldInitSpec(prop, privateNamesMap, noUninitializedPrivateFieldAccess) {
|
|
const privateName = privateNamesMap.get(prop.node.key.id.name);
|
|
const value = noUninitializedPrivateFieldAccess ? prop.node.value : _core.template.expression.ast`{
|
|
_: ${prop.node.value || _core.types.buildUndefinedNode()}
|
|
}`;
|
|
return inheritPropComments(_core.types.variableDeclaration("var", [_core.types.variableDeclarator(_core.types.cloneNode(privateName.id), value)]), prop);
|
|
}
|
|
{
|
|
var buildPrivateStaticFieldInitSpecOld = function (prop, privateNamesMap) {
|
|
const privateName = privateNamesMap.get(prop.node.key.id.name);
|
|
const {
|
|
id,
|
|
getId,
|
|
setId,
|
|
initAdded
|
|
} = privateName;
|
|
const isGetterOrSetter = getId || setId;
|
|
if (!prop.isProperty() && (initAdded || !isGetterOrSetter)) return;
|
|
if (isGetterOrSetter) {
|
|
privateNamesMap.set(prop.node.key.id.name, Object.assign({}, privateName, {
|
|
initAdded: true
|
|
}));
|
|
return inheritPropComments(_core.template.statement.ast`
|
|
var ${_core.types.cloneNode(id)} = {
|
|
// configurable is false by default
|
|
// enumerable is false by default
|
|
// writable is false by default
|
|
get: ${getId ? getId.name : prop.scope.buildUndefinedNode()},
|
|
set: ${setId ? setId.name : prop.scope.buildUndefinedNode()}
|
|
}
|
|
`, prop);
|
|
}
|
|
const value = prop.node.value || prop.scope.buildUndefinedNode();
|
|
return inheritPropComments(_core.template.statement.ast`
|
|
var ${_core.types.cloneNode(id)} = {
|
|
// configurable is false by default
|
|
// enumerable is false by default
|
|
writable: true,
|
|
value: ${value}
|
|
};
|
|
`, prop);
|
|
};
|
|
}
|
|
function buildPrivateMethodInitLoose(ref, prop, privateNamesMap) {
|
|
const privateName = privateNamesMap.get(prop.node.key.id.name);
|
|
const {
|
|
methodId,
|
|
id,
|
|
getId,
|
|
setId,
|
|
initAdded
|
|
} = privateName;
|
|
if (initAdded) return;
|
|
if (methodId) {
|
|
return inheritPropComments(_core.template.statement.ast`
|
|
Object.defineProperty(${ref}, ${id}, {
|
|
// configurable is false by default
|
|
// enumerable is false by default
|
|
// writable is false by default
|
|
value: ${methodId.name}
|
|
});
|
|
`, prop);
|
|
}
|
|
const isGetterOrSetter = getId || setId;
|
|
if (isGetterOrSetter) {
|
|
privateNamesMap.set(prop.node.key.id.name, Object.assign({}, privateName, {
|
|
initAdded: true
|
|
}));
|
|
return inheritPropComments(_core.template.statement.ast`
|
|
Object.defineProperty(${ref}, ${id}, {
|
|
// configurable is false by default
|
|
// enumerable is false by default
|
|
// writable is false by default
|
|
get: ${getId ? getId.name : prop.scope.buildUndefinedNode()},
|
|
set: ${setId ? setId.name : prop.scope.buildUndefinedNode()}
|
|
});
|
|
`, prop);
|
|
}
|
|
}
|
|
function buildPrivateInstanceMethodInitSpec(ref, prop, privateNamesMap, state) {
|
|
const privateName = privateNamesMap.get(prop.node.key.id.name);
|
|
if (privateName.initAdded) return;
|
|
if (!newHelpers(state)) {
|
|
const isGetterOrSetter = privateName.getId || privateName.setId;
|
|
if (isGetterOrSetter) {
|
|
return buildPrivateAccessorInitialization(ref, prop, privateNamesMap, state);
|
|
}
|
|
}
|
|
return buildPrivateInstanceMethodInitialization(ref, prop, privateNamesMap, state);
|
|
}
|
|
function buildPrivateAccessorInitialization(ref, prop, privateNamesMap, state) {
|
|
const privateName = privateNamesMap.get(prop.node.key.id.name);
|
|
const {
|
|
id,
|
|
getId,
|
|
setId
|
|
} = privateName;
|
|
privateNamesMap.set(prop.node.key.id.name, Object.assign({}, privateName, {
|
|
initAdded: true
|
|
}));
|
|
{
|
|
if (!state.availableHelper("classPrivateFieldInitSpec")) {
|
|
return inheritPropComments(_core.template.statement.ast`
|
|
${id}.set(${ref}, {
|
|
get: ${getId ? getId.name : prop.scope.buildUndefinedNode()},
|
|
set: ${setId ? setId.name : prop.scope.buildUndefinedNode()}
|
|
});
|
|
`, prop);
|
|
}
|
|
}
|
|
const helper = state.addHelper("classPrivateFieldInitSpec");
|
|
return inheritLoc(inheritPropComments(_core.template.statement.ast`${helper}(
|
|
${_core.types.thisExpression()},
|
|
${_core.types.cloneNode(id)},
|
|
{
|
|
get: ${getId ? getId.name : prop.scope.buildUndefinedNode()},
|
|
set: ${setId ? setId.name : prop.scope.buildUndefinedNode()}
|
|
},
|
|
)`, prop), prop.node);
|
|
}
|
|
function buildPrivateInstanceMethodInitialization(ref, prop, privateNamesMap, state) {
|
|
const privateName = privateNamesMap.get(prop.node.key.id.name);
|
|
const {
|
|
id
|
|
} = privateName;
|
|
{
|
|
if (!state.availableHelper("classPrivateMethodInitSpec")) {
|
|
return inheritPropComments(_core.template.statement.ast`${id}.add(${ref})`, prop);
|
|
}
|
|
}
|
|
const helper = state.addHelper("classPrivateMethodInitSpec");
|
|
return inheritPropComments(_core.template.statement.ast`${helper}(
|
|
${_core.types.thisExpression()},
|
|
${_core.types.cloneNode(id)}
|
|
)`, prop);
|
|
}
|
|
function buildPublicFieldInitLoose(ref, prop) {
|
|
const {
|
|
key,
|
|
computed
|
|
} = prop.node;
|
|
const value = prop.node.value || prop.scope.buildUndefinedNode();
|
|
return inheritPropComments(_core.types.expressionStatement(_core.types.assignmentExpression("=", _core.types.memberExpression(ref, key, computed || _core.types.isLiteral(key)), value)), prop);
|
|
}
|
|
function buildPublicFieldInitSpec(ref, prop, state) {
|
|
const {
|
|
key,
|
|
computed
|
|
} = prop.node;
|
|
const value = prop.node.value || prop.scope.buildUndefinedNode();
|
|
return inheritPropComments(_core.types.expressionStatement(_core.types.callExpression(state.addHelper("defineProperty"), [ref, computed || _core.types.isLiteral(key) ? key : _core.types.stringLiteral(key.name), value])), prop);
|
|
}
|
|
function buildPrivateStaticMethodInitLoose(ref, prop, state, privateNamesMap) {
|
|
const privateName = privateNamesMap.get(prop.node.key.id.name);
|
|
const {
|
|
id,
|
|
methodId,
|
|
getId,
|
|
setId,
|
|
initAdded
|
|
} = privateName;
|
|
if (initAdded) return;
|
|
const isGetterOrSetter = getId || setId;
|
|
if (isGetterOrSetter) {
|
|
privateNamesMap.set(prop.node.key.id.name, Object.assign({}, privateName, {
|
|
initAdded: true
|
|
}));
|
|
return inheritPropComments(_core.template.statement.ast`
|
|
Object.defineProperty(${ref}, ${id}, {
|
|
// configurable is false by default
|
|
// enumerable is false by default
|
|
// writable is false by default
|
|
get: ${getId ? getId.name : prop.scope.buildUndefinedNode()},
|
|
set: ${setId ? setId.name : prop.scope.buildUndefinedNode()}
|
|
})
|
|
`, prop);
|
|
}
|
|
return inheritPropComments(_core.template.statement.ast`
|
|
Object.defineProperty(${ref}, ${id}, {
|
|
// configurable is false by default
|
|
// enumerable is false by default
|
|
// writable is false by default
|
|
value: ${methodId.name}
|
|
});
|
|
`, prop);
|
|
}
|
|
function buildPrivateMethodDeclaration(file, prop, privateNamesMap, privateFieldsAsSymbolsOrProperties = false) {
|
|
const privateName = privateNamesMap.get(prop.node.key.id.name);
|
|
const {
|
|
id,
|
|
methodId,
|
|
getId,
|
|
setId,
|
|
getterDeclared,
|
|
setterDeclared,
|
|
static: isStatic
|
|
} = privateName;
|
|
const {
|
|
params,
|
|
body,
|
|
generator,
|
|
async
|
|
} = prop.node;
|
|
const isGetter = getId && params.length === 0;
|
|
const isSetter = setId && params.length > 0;
|
|
if (isGetter && getterDeclared || isSetter && setterDeclared) {
|
|
privateNamesMap.set(prop.node.key.id.name, Object.assign({}, privateName, {
|
|
initAdded: true
|
|
}));
|
|
return null;
|
|
}
|
|
if (newHelpers(file) && (isGetter || isSetter) && !privateFieldsAsSymbolsOrProperties) {
|
|
const scope = prop.get("body").scope;
|
|
const thisArg = scope.generateUidIdentifier("this");
|
|
const state = {
|
|
thisRef: thisArg,
|
|
argumentsPath: []
|
|
};
|
|
prop.traverse(thisContextVisitor, state);
|
|
if (state.argumentsPath.length) {
|
|
const argumentsId = scope.generateUidIdentifier("arguments");
|
|
scope.push({
|
|
id: argumentsId,
|
|
init: _core.template.expression.ast`[].slice.call(arguments, 1)`
|
|
});
|
|
for (const path of state.argumentsPath) {
|
|
path.replaceWith(_core.types.cloneNode(argumentsId));
|
|
}
|
|
}
|
|
params.unshift(_core.types.cloneNode(thisArg));
|
|
}
|
|
let declId = methodId;
|
|
if (isGetter) {
|
|
privateNamesMap.set(prop.node.key.id.name, Object.assign({}, privateName, {
|
|
getterDeclared: true,
|
|
initAdded: true
|
|
}));
|
|
declId = getId;
|
|
} else if (isSetter) {
|
|
privateNamesMap.set(prop.node.key.id.name, Object.assign({}, privateName, {
|
|
setterDeclared: true,
|
|
initAdded: true
|
|
}));
|
|
declId = setId;
|
|
} else if (isStatic && !privateFieldsAsSymbolsOrProperties) {
|
|
declId = id;
|
|
}
|
|
return inheritPropComments(_core.types.functionDeclaration(_core.types.cloneNode(declId), params, body, generator, async), prop);
|
|
}
|
|
const thisContextVisitor = _traverse.visitors.environmentVisitor({
|
|
Identifier(path, state) {
|
|
if (state.argumentsPath && path.node.name === "arguments") {
|
|
state.argumentsPath.push(path);
|
|
}
|
|
},
|
|
UnaryExpression(path) {
|
|
const {
|
|
node
|
|
} = path;
|
|
if (node.operator === "delete") {
|
|
const argument = (0, _helperSkipTransparentExpressionWrappers.skipTransparentExprWrapperNodes)(node.argument);
|
|
if (_core.types.isThisExpression(argument)) {
|
|
path.replaceWith(_core.types.booleanLiteral(true));
|
|
}
|
|
}
|
|
},
|
|
ThisExpression(path, state) {
|
|
state.needsClassRef = true;
|
|
path.replaceWith(_core.types.cloneNode(state.thisRef));
|
|
},
|
|
MetaProperty(path) {
|
|
const {
|
|
node,
|
|
scope
|
|
} = path;
|
|
if (node.meta.name === "new" && node.property.name === "target") {
|
|
path.replaceWith(scope.buildUndefinedNode());
|
|
}
|
|
}
|
|
});
|
|
const innerReferencesVisitor = {
|
|
ReferencedIdentifier(path, state) {
|
|
if (path.scope.bindingIdentifierEquals(path.node.name, state.innerBinding)) {
|
|
state.needsClassRef = true;
|
|
path.node.name = state.thisRef.name;
|
|
}
|
|
}
|
|
};
|
|
function replaceThisContext(path, ref, innerBindingRef) {
|
|
var _state$thisRef;
|
|
const state = {
|
|
thisRef: ref,
|
|
needsClassRef: false,
|
|
innerBinding: innerBindingRef
|
|
};
|
|
if (!path.isMethod()) {
|
|
path.traverse(thisContextVisitor, state);
|
|
}
|
|
if (innerBindingRef != null && (_state$thisRef = state.thisRef) != null && _state$thisRef.name && state.thisRef.name !== innerBindingRef.name) {
|
|
path.traverse(innerReferencesVisitor, state);
|
|
}
|
|
return state.needsClassRef;
|
|
}
|
|
function isNameOrLength({
|
|
key,
|
|
computed
|
|
}) {
|
|
if (key.type === "Identifier") {
|
|
return !computed && (key.name === "name" || key.name === "length");
|
|
}
|
|
if (key.type === "StringLiteral") {
|
|
return key.value === "name" || key.value === "length";
|
|
}
|
|
return false;
|
|
}
|
|
function inheritPropComments(node, prop) {
|
|
_core.types.inheritLeadingComments(node, prop.node);
|
|
_core.types.inheritInnerComments(node, prop.node);
|
|
return node;
|
|
}
|
|
function inheritLoc(node, original) {
|
|
node.start = original.start;
|
|
node.end = original.end;
|
|
node.loc = original.loc;
|
|
return node;
|
|
}
|
|
function buildFieldsInitNodes(ref, superRef, props, privateNamesMap, file, setPublicClassFields, privateFieldsAsSymbolsOrProperties, noUninitializedPrivateFieldAccess, constantSuper, innerBindingRef) {
|
|
var _ref, _ref2;
|
|
let classRefFlags = 0;
|
|
let injectSuperRef;
|
|
const staticNodes = [];
|
|
const instanceNodes = [];
|
|
let lastInstanceNodeReturnsThis = false;
|
|
const pureStaticNodes = [];
|
|
let classBindingNode = null;
|
|
const getSuperRef = _core.types.isIdentifier(superRef) ? () => superRef : () => {
|
|
var _injectSuperRef;
|
|
(_injectSuperRef = injectSuperRef) != null ? _injectSuperRef : injectSuperRef = props[0].scope.generateUidIdentifierBasedOnNode(superRef);
|
|
return injectSuperRef;
|
|
};
|
|
const classRefForInnerBinding = (_ref = ref) != null ? _ref : props[0].scope.generateUidIdentifier((innerBindingRef == null ? void 0 : innerBindingRef.name) || "Class");
|
|
(_ref2 = ref) != null ? _ref2 : ref = _core.types.cloneNode(innerBindingRef);
|
|
for (const prop of props) {
|
|
if (prop.isClassProperty()) {
|
|
ts.assertFieldTransformed(prop);
|
|
}
|
|
const isStatic = !(_core.types.isStaticBlock != null && _core.types.isStaticBlock(prop.node)) && prop.node.static;
|
|
const isInstance = !isStatic;
|
|
const isPrivate = prop.isPrivate();
|
|
const isPublic = !isPrivate;
|
|
const isField = prop.isProperty();
|
|
const isMethod = !isField;
|
|
const isStaticBlock = prop.isStaticBlock == null ? void 0 : prop.isStaticBlock();
|
|
if (isStatic) classRefFlags |= 1;
|
|
if (isStatic || isMethod && isPrivate || isStaticBlock) {
|
|
new _helperReplaceSupers.default({
|
|
methodPath: prop,
|
|
constantSuper,
|
|
file: file,
|
|
refToPreserve: innerBindingRef,
|
|
getSuperRef,
|
|
getObjectRef() {
|
|
classRefFlags |= 2;
|
|
if (isStatic || isStaticBlock) {
|
|
return classRefForInnerBinding;
|
|
} else {
|
|
return _core.types.memberExpression(classRefForInnerBinding, _core.types.identifier("prototype"));
|
|
}
|
|
}
|
|
}).replace();
|
|
const replaced = replaceThisContext(prop, classRefForInnerBinding, innerBindingRef);
|
|
if (replaced) {
|
|
classRefFlags |= 2;
|
|
}
|
|
}
|
|
lastInstanceNodeReturnsThis = false;
|
|
switch (true) {
|
|
case isStaticBlock:
|
|
{
|
|
const blockBody = prop.node.body;
|
|
if (blockBody.length === 1 && _core.types.isExpressionStatement(blockBody[0])) {
|
|
staticNodes.push(inheritPropComments(blockBody[0], prop));
|
|
} else {
|
|
staticNodes.push(_core.types.inheritsComments(_core.template.statement.ast`(() => { ${blockBody} })()`, prop.node));
|
|
}
|
|
break;
|
|
}
|
|
case isStatic && isPrivate && isField && privateFieldsAsSymbolsOrProperties:
|
|
staticNodes.push(buildPrivateFieldInitLoose(_core.types.cloneNode(ref), prop, privateNamesMap));
|
|
break;
|
|
case isStatic && isPrivate && isField && !privateFieldsAsSymbolsOrProperties:
|
|
if (!newHelpers(file)) {
|
|
staticNodes.push(buildPrivateStaticFieldInitSpecOld(prop, privateNamesMap));
|
|
} else {
|
|
staticNodes.push(buildPrivateStaticFieldInitSpec(prop, privateNamesMap, noUninitializedPrivateFieldAccess));
|
|
}
|
|
break;
|
|
case isStatic && isPublic && isField && setPublicClassFields:
|
|
if (!isNameOrLength(prop.node)) {
|
|
staticNodes.push(buildPublicFieldInitLoose(_core.types.cloneNode(ref), prop));
|
|
break;
|
|
}
|
|
case isStatic && isPublic && isField && !setPublicClassFields:
|
|
staticNodes.push(buildPublicFieldInitSpec(_core.types.cloneNode(ref), prop, file));
|
|
break;
|
|
case isInstance && isPrivate && isField && privateFieldsAsSymbolsOrProperties:
|
|
instanceNodes.push(buildPrivateFieldInitLoose(_core.types.thisExpression(), prop, privateNamesMap));
|
|
break;
|
|
case isInstance && isPrivate && isField && !privateFieldsAsSymbolsOrProperties:
|
|
instanceNodes.push(buildPrivateInstanceFieldInitSpec(_core.types.thisExpression(), prop, privateNamesMap, file));
|
|
break;
|
|
case isInstance && isPrivate && isMethod && privateFieldsAsSymbolsOrProperties:
|
|
instanceNodes.unshift(buildPrivateMethodInitLoose(_core.types.thisExpression(), prop, privateNamesMap));
|
|
pureStaticNodes.push(buildPrivateMethodDeclaration(file, prop, privateNamesMap, privateFieldsAsSymbolsOrProperties));
|
|
break;
|
|
case isInstance && isPrivate && isMethod && !privateFieldsAsSymbolsOrProperties:
|
|
instanceNodes.unshift(buildPrivateInstanceMethodInitSpec(_core.types.thisExpression(), prop, privateNamesMap, file));
|
|
pureStaticNodes.push(buildPrivateMethodDeclaration(file, prop, privateNamesMap, privateFieldsAsSymbolsOrProperties));
|
|
break;
|
|
case isStatic && isPrivate && isMethod && !privateFieldsAsSymbolsOrProperties:
|
|
if (!newHelpers(file)) {
|
|
staticNodes.unshift(buildPrivateStaticFieldInitSpecOld(prop, privateNamesMap));
|
|
}
|
|
pureStaticNodes.push(buildPrivateMethodDeclaration(file, prop, privateNamesMap, privateFieldsAsSymbolsOrProperties));
|
|
break;
|
|
case isStatic && isPrivate && isMethod && privateFieldsAsSymbolsOrProperties:
|
|
staticNodes.unshift(buildPrivateStaticMethodInitLoose(_core.types.cloneNode(ref), prop, file, privateNamesMap));
|
|
pureStaticNodes.push(buildPrivateMethodDeclaration(file, prop, privateNamesMap, privateFieldsAsSymbolsOrProperties));
|
|
break;
|
|
case isInstance && isPublic && isField && setPublicClassFields:
|
|
instanceNodes.push(buildPublicFieldInitLoose(_core.types.thisExpression(), prop));
|
|
break;
|
|
case isInstance && isPublic && isField && !setPublicClassFields:
|
|
lastInstanceNodeReturnsThis = true;
|
|
instanceNodes.push(buildPublicFieldInitSpec(_core.types.thisExpression(), prop, file));
|
|
break;
|
|
default:
|
|
throw new Error("Unreachable.");
|
|
}
|
|
}
|
|
if (classRefFlags & 2 && innerBindingRef != null) {
|
|
classBindingNode = _core.types.expressionStatement(_core.types.assignmentExpression("=", _core.types.cloneNode(classRefForInnerBinding), _core.types.cloneNode(innerBindingRef)));
|
|
}
|
|
return {
|
|
staticNodes: staticNodes.filter(Boolean),
|
|
instanceNodes: instanceNodes.filter(Boolean),
|
|
lastInstanceNodeReturnsThis,
|
|
pureStaticNodes: pureStaticNodes.filter(Boolean),
|
|
classBindingNode,
|
|
wrapClass(path) {
|
|
for (const prop of props) {
|
|
prop.node.leadingComments = null;
|
|
prop.remove();
|
|
}
|
|
if (injectSuperRef) {
|
|
path.scope.push({
|
|
id: _core.types.cloneNode(injectSuperRef)
|
|
});
|
|
path.set("superClass", _core.types.assignmentExpression("=", injectSuperRef, path.node.superClass));
|
|
}
|
|
if (classRefFlags !== 0) {
|
|
if (path.isClassExpression()) {
|
|
path.scope.push({
|
|
id: ref
|
|
});
|
|
path.replaceWith(_core.types.assignmentExpression("=", _core.types.cloneNode(ref), path.node));
|
|
} else {
|
|
if (innerBindingRef == null) {
|
|
path.node.id = ref;
|
|
}
|
|
if (classBindingNode != null) {
|
|
path.scope.push({
|
|
id: classRefForInnerBinding
|
|
});
|
|
}
|
|
}
|
|
}
|
|
return path;
|
|
}
|
|
};
|
|
}
|
|
|
|
//# sourceMappingURL=fields.js.map
|