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"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 _traverse = require("@babel/traverse");
var _helperReplaceSupers = require("@babel/helper-replace-supers");
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 = _traverse.visitors.environmentVisitor(Object.assign({}, visitor));
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 != null && 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 != null && 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("_"));
}
function autoInherits(fn) {
return function (member) {
return _core.types.inherits(fn.apply(this, arguments), member.node);
};
}
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: autoInherits(function (member) {
const {
classRef,
privateNamesMap,
file,
innerBinding,
noUninitializedPrivateFieldAccess
} = this;
const privateName = member.node.property;
const {
name
} = privateName.id;
const {
id,
static: isStatic,
method: isMethod,
methodId,
getId,
setId
} = privateNamesMap.get(name);
const isGetterOrSetter = getId || setId;
const cloneId = id => _core.types.inherits(_core.types.cloneNode(id), privateName);
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), cloneId(id)]);
}
const receiver = this.receiver(member);
const skipCheck = _core.types.isIdentifier(receiver) && receiver.name === classRef.name;
if (!isMethod) {
if (skipCheck) {
return buildStaticPrivateFieldAccess(cloneId(id), noUninitializedPrivateFieldAccess);
}
return buildStaticPrivateFieldAccess(_core.types.callExpression(file.addHelper("assertClassBrand"), [_core.types.cloneNode(classRef), receiver, cloneId(id)]), noUninitializedPrivateFieldAccess);
}
if (getId) {
if (skipCheck) {
return _core.types.callExpression(cloneId(getId), [receiver]);
}
return _core.types.callExpression(file.addHelper("classPrivateGetter"), [_core.types.cloneNode(classRef), receiver, cloneId(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 cloneId(id);
return _core.types.callExpression(file.addHelper("assertClassBrand"), [_core.types.cloneNode(classRef), receiver, cloneId(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), cloneId(id)]);
}
return _core.types.callExpression(file.addHelper("classPrivateGetter"), [_core.types.cloneNode(id), this.receiver(member), cloneId(getId)]);
}
if (!newHelpers(file)) {
return _core.types.callExpression(file.addHelper("classPrivateMethodGet"), [this.receiver(member), _core.types.cloneNode(id), cloneId(methodId)]);
}
return _core.types.callExpression(file.addHelper("assertClassBrand"), [_core.types.cloneNode(id), this.receiver(member), cloneId(methodId)]);
}
if (newHelpers(file)) {
return _core.types.callExpression(file.addHelper("classPrivateFieldGet2"), [cloneId(id), this.receiver(member)]);
}
return _core.types.callExpression(file.addHelper("classPrivateFieldGet"), [this.receiver(member), cloneId(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: autoInherits(function (member, value) {
const {
classRef,
privateNamesMap,
file,
noUninitializedPrivateFieldAccess
} = this;
const privateName = member.node.property;
const {
name
} = privateName.id;
const {
id,
static: isStatic,
method: isMethod,
setId,
getId
} = privateNamesMap.get(name);
const isGetterOrSetter = getId || setId;
const cloneId = id => _core.types.inherits(_core.types.cloneNode(id), privateName);
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), cloneId(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), 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