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weswighamweswigham
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Intentionally regress one buggy declaration output to an older version (#62163)
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5 files changed

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lines changed

5 files changed

+173
-1
lines changed

‎src/compiler/checker.ts

Lines changed: 11 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -8908,7 +8908,17 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
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function getPropertyNameNodeForSymbol(symbol: Symbol, context: NodeBuilderContext) {
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const hashPrivateName = getClonedHashPrivateName(symbol);
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if (hashPrivateName) {
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return hashPrivateName;
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const shouldEmitErroneousFieldName = !!context.tracker.reportPrivateInBaseOfClassExpression &&
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context.flags & NodeBuilderFlags.WriteClassExpressionAsTypeLiteral;
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if (!shouldEmitErroneousFieldName) {
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return hashPrivateName;
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}
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else {
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let rawName = unescapeLeadingUnderscores(symbol.escapedName);
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// symbol IDs are unstable - replace #nnn# with #private#
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rawName = rawName.replace(/__#\d+@#/g, "__#private@#");
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return createPropertyNameNodeForIdentifierOrLiteral(rawName, getEmitScriptTarget(compilerOptions), /*singleQuote*/ false, /*stringNamed*/ true, !!(symbol.flags & SymbolFlags.Method));
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}
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}
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const stringNamed = !!length(symbol.declarations) && every(symbol.declarations, isStringNamed);
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const singleQuote = !!length(symbol.declarations) && every(symbol.declarations, isSingleQuotedStringNamed);

‎tests/baselines/reference/privateFieldsInClassExpressionDeclaration.js

Lines changed: 61 additions & 0 deletions
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@@ -0,0 +1,61 @@
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//// [tests/cases/compiler/privateFieldsInClassExpressionDeclaration.ts] ////
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//// [privateFieldsInClassExpressionDeclaration.ts]
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export const ClassExpression = class {
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#context = 0;
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#method() { return 42; }
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public value = 1;
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};
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// Additional test with static private fields
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export const ClassExpressionStatic = class {
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static #staticPrivate = "hidden";
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#instancePrivate = true;
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public exposed = "visible";
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};
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//// [privateFieldsInClassExpressionDeclaration.js]
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var __setFunctionName = (this && this.__setFunctionName) || function (f, name, prefix) {
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if (typeof name === "symbol") name = name.description ? "[".concat(name.description, "]") : "";
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return Object.defineProperty(f, "name", { configurable: true, value: prefix ? "".concat(prefix, " ", name) : name });
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};
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var _instances, _context, _method, _a, _b, _ClassExpressionStatic_staticPrivate, _ClassExpressionStatic_instancePrivate;
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export const ClassExpression = (_a = class {
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constructor() {
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_instances.add(this);
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_context.set(this, 0);
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this.value = 1;
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}
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},
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_context = new WeakMap(),
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_instances = new WeakSet(),
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_method = function _method() { return 42; },
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_a);
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// Additional test with static private fields
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export const ClassExpressionStatic = (_b = class {
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constructor() {
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_ClassExpressionStatic_instancePrivate.set(this, true);
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this.exposed = "visible";
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}
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},
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_ClassExpressionStatic_instancePrivate = new WeakMap(),
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__setFunctionName(_b, "ClassExpressionStatic"),
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_ClassExpressionStatic_staticPrivate = { value: "hidden" },
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_b);
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//// [privateFieldsInClassExpressionDeclaration.d.ts]
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export declare const ClassExpression: {
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new (): {
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"__#private@#context": number;
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"__#private@#method"(): number;
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value: number;
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};
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};
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export declare const ClassExpressionStatic: {
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new (): {
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"__#private@#instancePrivate": boolean;
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exposed: string;
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};
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"__#private@#staticPrivate": string;
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};

‎tests/baselines/reference/privateFieldsInClassExpressionDeclaration.symbols

Lines changed: 31 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,31 @@
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//// [tests/cases/compiler/privateFieldsInClassExpressionDeclaration.ts] ////
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=== privateFieldsInClassExpressionDeclaration.ts ===
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export const ClassExpression = class {
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>ClassExpression : Symbol(ClassExpression, Decl(privateFieldsInClassExpressionDeclaration.ts, 0, 12))
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#context = 0;
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>#context : Symbol(ClassExpression.#context, Decl(privateFieldsInClassExpressionDeclaration.ts, 0, 38))
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#method() { return 42; }
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>#method : Symbol(ClassExpression.#method, Decl(privateFieldsInClassExpressionDeclaration.ts, 1, 17))
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public value = 1;
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>value : Symbol(ClassExpression.value, Decl(privateFieldsInClassExpressionDeclaration.ts, 2, 28))
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};
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// Additional test with static private fields
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export const ClassExpressionStatic = class {
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>ClassExpressionStatic : Symbol(ClassExpressionStatic, Decl(privateFieldsInClassExpressionDeclaration.ts, 7, 12))
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static #staticPrivate = "hidden";
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>#staticPrivate : Symbol(ClassExpressionStatic.#staticPrivate, Decl(privateFieldsInClassExpressionDeclaration.ts, 7, 44))
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#instancePrivate = true;
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>#instancePrivate : Symbol(ClassExpressionStatic.#instancePrivate, Decl(privateFieldsInClassExpressionDeclaration.ts, 8, 37))
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public exposed = "visible";
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>exposed : Symbol(ClassExpressionStatic.exposed, Decl(privateFieldsInClassExpressionDeclaration.ts, 9, 28))
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};

‎tests/baselines/reference/privateFieldsInClassExpressionDeclaration.types

Lines changed: 55 additions & 0 deletions
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//// [tests/cases/compiler/privateFieldsInClassExpressionDeclaration.ts] ////
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=== privateFieldsInClassExpressionDeclaration.ts ===
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export const ClassExpression = class {
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>ClassExpression : typeof ClassExpression
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> : ^^^^^^^^^^^^^^^^^^^^^^
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>class { #context = 0; #method() { return 42; } public value = 1;} : typeof ClassExpression
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> : ^^^^^^^^^^^^^^^^^^^^^^
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#context = 0;
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>#context : number
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> : ^^^^^^
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>0 : 0
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> : ^
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#method() { return 42; }
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>#method : () => number
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> : ^^^^^^^^^^^^
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>42 : 42
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> : ^^
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public value = 1;
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>value : number
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> : ^^^^^^
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>1 : 1
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> : ^
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};
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// Additional test with static private fields
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export const ClassExpressionStatic = class {
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>ClassExpressionStatic : typeof ClassExpressionStatic
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> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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>class { static #staticPrivate = "hidden"; #instancePrivate = true; public exposed = "visible";} : typeof ClassExpressionStatic
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> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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static #staticPrivate = "hidden";
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>#staticPrivate : string
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> : ^^^^^^
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>"hidden" : "hidden"
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> : ^^^^^^^^
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#instancePrivate = true;
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>#instancePrivate : boolean
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> : ^^^^^^^
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>true : true
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> : ^^^^
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public exposed = "visible";
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>exposed : string
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> : ^^^^^^
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>"visible" : "visible"
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> : ^^^^^^^^^
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};

‎tests/cases/compiler/privateFieldsInClassExpressionDeclaration.ts

Lines changed: 15 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,15 @@
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// @target: ES2015
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// @declaration: true
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export const ClassExpression = class {
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#context = 0;
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#method() { return 42; }
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public value = 1;
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};
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// Additional test with static private fields
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export const ClassExpressionStatic = class {
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static #staticPrivate = "hidden";
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#instancePrivate = true;
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public exposed = "visible";
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};

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