"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.buildCheckInRHS = buildCheckInRHS; exports.buildFieldsInitNodes = buildFieldsInitNodes; exports.buildPrivateNamesMap = buildPrivateNamesMap; exports.buildPrivateNamesNodes = buildPrivateNamesNodes; exports.privateNameVisitorFactory = privateNameVisitorFactory; exports.transformPrivateNamesUsage = transformPrivateNamesUsage; var _core = require("@babel/core"); var _helperReplaceSupers = require("@babel/helper-replace-supers"); var _helperEnvironmentVisitor = require("@babel/helper-environment-visitor"); var _helperMemberExpressionToFunctions = require("@babel/helper-member-expression-to-functions"); var _helperOptimiseCallExpression = require("@babel/helper-optimise-call-expression"); var _helperAnnotateAsPure = require("@babel/helper-annotate-as-pure"); var _helperSkipTransparentExpressionWrappers = require("@babel/helper-skip-transparent-expression-wrappers"); var ts = require("./typescript.js"); { var newHelpers = file => { ; return file.availableHelper("classPrivateFieldGet2"); }; } function buildPrivateNamesMap(className, privateFieldsAsSymbolsOrProperties, props, file) { const privateNamesMap = new Map(); let classBrandId; for (const prop of props) { if (prop.isPrivate()) { const { name } = prop.node.key.id; let update = privateNamesMap.get(name); if (!update) { const isMethod = !prop.isProperty(); const isStatic = prop.node.static; let initAdded = false; let id; if (!privateFieldsAsSymbolsOrProperties && newHelpers(file) && isMethod && !isStatic) { var _classBrandId; initAdded = !!classBrandId; (_classBrandId = classBrandId) != null ? _classBrandId : classBrandId = prop.scope.generateUidIdentifier(`${className}_brand`); id = classBrandId; } else { id = prop.scope.generateUidIdentifier(name); } update = { id, static: isStatic, method: isMethod, initAdded }; privateNamesMap.set(name, update); } if (prop.isClassPrivateMethod()) { if (prop.node.kind === "get") { const { body } = prop.node.body; let $; if (body.length === 1 && _core.types.isReturnStatement($ = body[0]) && _core.types.isCallExpression($ = $.argument) && $.arguments.length === 1 && _core.types.isThisExpression($.arguments[0]) && _core.types.isIdentifier($ = $.callee)) { update.getId = _core.types.cloneNode($); update.getterDeclared = true; } else { update.getId = prop.scope.generateUidIdentifier(`get_${name}`); } } else if (prop.node.kind === "set") { const { params } = prop.node; const { body } = prop.node.body; let $; if (body.length === 1 && _core.types.isExpressionStatement($ = body[0]) && _core.types.isCallExpression($ = $.expression) && $.arguments.length === 2 && _core.types.isThisExpression($.arguments[0]) && _core.types.isIdentifier($.arguments[1], { name: params[0].name }) && _core.types.isIdentifier($ = $.callee)) { update.setId = _core.types.cloneNode($); update.setterDeclared = true; } else { update.setId = prop.scope.generateUidIdentifier(`set_${name}`); } } else if (prop.node.kind === "method") { update.methodId = prop.scope.generateUidIdentifier(name); } } privateNamesMap.set(name, update); } } return privateNamesMap; } function buildPrivateNamesNodes(privateNamesMap, privateFieldsAsProperties, privateFieldsAsSymbols, state) { const initNodes = []; const injectedIds = new Set(); for (const [name, value] of privateNamesMap) { const { static: isStatic, method: isMethod, getId, setId } = value; const isGetterOrSetter = getId || setId; const id = _core.types.cloneNode(value.id); let init; if (privateFieldsAsProperties) { init = _core.types.callExpression(state.addHelper("classPrivateFieldLooseKey"), [_core.types.stringLiteral(name)]); } else if (privateFieldsAsSymbols) { init = _core.types.callExpression(_core.types.identifier("Symbol"), [_core.types.stringLiteral(name)]); } else if (!isStatic) { if (injectedIds.has(id.name)) continue; injectedIds.add(id.name); init = _core.types.newExpression(_core.types.identifier(isMethod && (!isGetterOrSetter || newHelpers(state)) ? "WeakSet" : "WeakMap"), []); } if (init) { if (!privateFieldsAsSymbols) { (0, _helperAnnotateAsPure.default)(init); } initNodes.push(_core.template.statement.ast`var ${id} = ${init}`); } } return initNodes; } function privateNameVisitorFactory(visitor) { const nestedVisitor = _core.traverse.visitors.merge([Object.assign({}, visitor), _helperEnvironmentVisitor.default]); const privateNameVisitor = Object.assign({}, visitor, { Class(path) { const { privateNamesMap } = this; const body = path.get("body.body"); const visiblePrivateNames = new Map(privateNamesMap); const redeclared = []; for (const prop of body) { if (!prop.isPrivate()) continue; const { name } = prop.node.key.id; visiblePrivateNames.delete(name); redeclared.push(name); } if (!redeclared.length) { return; } path.get("body").traverse(nestedVisitor, Object.assign({}, this, { redeclared })); path.traverse(privateNameVisitor, Object.assign({}, this, { privateNamesMap: visiblePrivateNames })); path.skipKey("body"); } }); return privateNameVisitor; } const privateNameVisitor = privateNameVisitorFactory({ PrivateName(path, { noDocumentAll }) { const { privateNamesMap, redeclared } = this; const { node, parentPath } = path; if (!parentPath.isMemberExpression({ property: node }) && !parentPath.isOptionalMemberExpression({ property: node })) { return; } const { name } = node.id; if (!privateNamesMap.has(name)) return; if (redeclared && redeclared.includes(name)) return; this.handle(parentPath, noDocumentAll); } }); function unshadow(name, scope, innerBinding) { while ((_scope = scope) != null && _scope.hasBinding(name) && !scope.bindingIdentifierEquals(name, innerBinding)) { var _scope; scope.rename(name); scope = scope.parent; } } function buildCheckInRHS(rhs, file, inRHSIsObject) { if (inRHSIsObject || !(file.availableHelper != null && file.availableHelper("checkInRHS"))) return rhs; return _core.types.callExpression(file.addHelper("checkInRHS"), [rhs]); } const privateInVisitor = privateNameVisitorFactory({ BinaryExpression(path, { file }) { const { operator, left, right } = path.node; if (operator !== "in") return; if (!_core.types.isPrivateName(left)) return; const { privateFieldsAsProperties, privateNamesMap, redeclared } = this; const { name } = left.id; if (!privateNamesMap.has(name)) return; if (redeclared && redeclared.includes(name)) return; unshadow(this.classRef.name, path.scope, this.innerBinding); if (privateFieldsAsProperties) { const { id } = privateNamesMap.get(name); path.replaceWith(_core.template.expression.ast` Object.prototype.hasOwnProperty.call(${buildCheckInRHS(right, file)}, ${_core.types.cloneNode(id)}) `); return; } const { id, static: isStatic } = privateNamesMap.get(name); if (isStatic) { path.replaceWith(_core.template.expression.ast`${buildCheckInRHS(right, file)} === ${_core.types.cloneNode(this.classRef)}`); return; } path.replaceWith(_core.template.expression.ast`${_core.types.cloneNode(id)}.has(${buildCheckInRHS(right, file)})`); } }); function readOnlyError(file, name) { return _core.types.callExpression(file.addHelper("readOnlyError"), [_core.types.stringLiteral(`#${name}`)]); } function writeOnlyError(file, name) { if (!file.availableHelper("writeOnlyError")) { console.warn(`@babel/helpers is outdated, update it to silence this warning.`); return _core.types.buildUndefinedNode(); } return _core.types.callExpression(file.addHelper("writeOnlyError"), [_core.types.stringLiteral(`#${name}`)]); } function buildStaticPrivateFieldAccess(expr, noUninitializedPrivateFieldAccess) { if (noUninitializedPrivateFieldAccess) return expr; return _core.types.memberExpression(expr, _core.types.identifier("_")); } const privateNameHandlerSpec = { memoise(member, count) { const { scope } = member; const { object } = member.node; const memo = scope.maybeGenerateMemoised(object); if (!memo) { return; } this.memoiser.set(object, memo, count); }, receiver(member) { const { object } = member.node; if (this.memoiser.has(object)) { return _core.types.cloneNode(this.memoiser.get(object)); } return _core.types.cloneNode(object); }, get(member) { const { classRef, privateNamesMap, file, innerBinding, noUninitializedPrivateFieldAccess } = this; const { name } = member.node.property.id; const { id, static: isStatic, method: isMethod, methodId, getId, setId } = privateNamesMap.get(name); const isGetterOrSetter = getId || setId; if (isStatic) { unshadow(classRef.name, member.scope, innerBinding); if (!newHelpers(file)) { const helperName = isMethod && !isGetterOrSetter ? "classStaticPrivateMethodGet" : "classStaticPrivateFieldSpecGet"; return _core.types.callExpression(file.addHelper(helperName), [this.receiver(member), _core.types.cloneNode(classRef), _core.types.cloneNode(id)]); } const receiver = this.receiver(member); const skipCheck = _core.types.isIdentifier(receiver) && receiver.name === classRef.name; if (!isMethod) { if (skipCheck) { return buildStaticPrivateFieldAccess(_core.types.cloneNode(id), noUninitializedPrivateFieldAccess); } return buildStaticPrivateFieldAccess(_core.types.callExpression(file.addHelper("assertClassBrand"), [_core.types.cloneNode(classRef), receiver, _core.types.cloneNode(id)]), noUninitializedPrivateFieldAccess); } if (getId) { if (skipCheck) { return _core.types.callExpression(_core.types.cloneNode(getId), [receiver]); } return _core.types.callExpression(file.addHelper("classPrivateGetter"), [_core.types.cloneNode(classRef), receiver, _core.types.cloneNode(getId)]); } if (setId) { const err = _core.types.buildUndefinedNode(); if (skipCheck) return err; return _core.types.sequenceExpression([_core.types.callExpression(file.addHelper("assertClassBrand"), [_core.types.cloneNode(classRef), receiver]), err]); } if (skipCheck) return _core.types.cloneNode(id); return _core.types.callExpression(file.addHelper("assertClassBrand"), [_core.types.cloneNode(classRef), receiver, _core.types.cloneNode(id)]); } if (isMethod) { if (isGetterOrSetter) { if (!getId) { return _core.types.sequenceExpression([this.receiver(member), writeOnlyError(file, name)]); } if (!newHelpers(file)) { return _core.types.callExpression(file.addHelper("classPrivateFieldGet"), [this.receiver(member), _core.types.cloneNode(id)]); } return _core.types.callExpression(file.addHelper("classPrivateGetter"), [_core.types.cloneNode(id), this.receiver(member), _core.types.cloneNode(getId)]); } if (!newHelpers(file)) { return _core.types.callExpression(file.addHelper("classPrivateMethodGet"), [this.receiver(member), _core.types.cloneNode(id), _core.types.cloneNode(methodId)]); } return _core.types.callExpression(file.addHelper("assertClassBrand"), [_core.types.cloneNode(id), this.receiver(member), _core.types.cloneNode(methodId)]); } if (newHelpers(file)) { return _core.types.callExpression(file.addHelper("classPrivateFieldGet2"), [_core.types.cloneNode(id), this.receiver(member)]); } return _core.types.callExpression(file.addHelper("classPrivateFieldGet"), [this.receiver(member), _core.types.cloneNode(id)]); }, boundGet(member) { this.memoise(member, 1); return _core.types.callExpression(_core.types.memberExpression(this.get(member), _core.types.identifier("bind")), [this.receiver(member)]); }, set(member, value) { const { classRef, privateNamesMap, file, noUninitializedPrivateFieldAccess } = this; const { name } = member.node.property.id; const { id, static: isStatic, method: isMethod, setId, getId } = privateNamesMap.get(name); const isGetterOrSetter = getId || setId; if (isStatic) { if (!newHelpers(file)) { const helperName = isMethod && !isGetterOrSetter ? "classStaticPrivateMethodSet" : "classStaticPrivateFieldSpecSet"; return _core.types.callExpression(file.addHelper(helperName), [this.receiver(member), _core.types.cloneNode(classRef), _core.types.cloneNode(id), value]); } const receiver = this.receiver(member); const skipCheck = _core.types.isIdentifier(receiver) && receiver.name === classRef.name; if (isMethod && !setId) { const err = readOnlyError(file, name); if (skipCheck) return _core.types.sequenceExpression([value, err]); 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), _core.types.cloneNode(setId), receiver, value]); } return _core.types.assignmentExpression("=", buildStaticPrivateFieldAccess(_core.types.cloneNode(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), _core.types.cloneNode(id), value]); } return _core.types.callExpression(file.addHelper("classPrivateSetter"), [_core.types.cloneNode(id), _core.types.cloneNode(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"), [_core.types.cloneNode(id), this.receiver(member), value]); } return _core.types.callExpression(file.addHelper("classPrivateFieldSet"), [this.receiver(member), _core.types.cloneNode(id), value]); }, destructureSet(member) { const { classRef, privateNamesMap, file, noUninitializedPrivateFieldAccess } = this; const { name } = member.node.property.id; const { id, static: isStatic, method: isMethod, setId } = privateNamesMap.get(name); 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), _core.types.cloneNode(id)]), _core.types.identifier("value")); } return _core.types.memberExpression(_core.types.callExpression(file.addHelper("classPrivateFieldDestructureSet"), [this.receiver(member), _core.types.cloneNode(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 inheritPropComments(_core.types.expressionStatement(_core.types.callExpression(helper, [_core.types.thisExpression(), _core.types.cloneNode(id), newHelpers(state) ? value : _core.template.expression.ast`{ writable: true, value: ${value} }`])), prop); } 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: ${setId ? setId.name : prop.scope.buildUndefinedNode()} }); `, prop); } } const helper = state.addHelper("classPrivateFieldInitSpec"); return inheritPropComments(_core.template.statement.ast`${helper}( ${_core.types.thisExpression()}, ${_core.types.cloneNode(id)}, { get: ${getId ? getId.name : prop.scope.buildUndefinedNode()}, set: ${setId ? setId.name : prop.scope.buildUndefinedNode()} }, )`, prop); } function buildPrivateInstanceMethodInitialization(ref, prop, privateNamesMap, state) { const privateName = privateNamesMap.get(prop.node.key.id.name); const { id } = privateName; { if (!state.availableHelper("classPrivateMethodInitSpec")) { return inheritPropComments(_core.template.statement.ast`${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 = _core.traverse.visitors.merge([{ 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()); } } }, _helperEnvironmentVisitor.default]); 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 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) { 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