Function isAssignmentToReadonlyEntity

test/fixtures/snapshot/typescript.js:78305–78348

(expr, symbol, assignmentKind)

                ts.some(symbol.declarations, isReadonlyAssignmentDeclaration));
        }
        function isAssignmentToReadonlyEntity(expr, symbol, assignmentKind) {
            var _a, _b;
            if (assignmentKind === 0 /* AssignmentKind.None */) {
                // no assigment means it doesn't matter whether the entity is readonly
                return false;
            }
            if (isReadonlySymbol(symbol)) {
                // Allow assignments to readonly properties within constructors of the same class declaration.
                if (symbol.flags & 4 /* SymbolFlags.Property */ &&
                    ts.isAccessExpression(expr) &&
                    expr.expression.kind === 108 /* SyntaxKind.ThisKeyword */) {
                    // Look for if this is the constructor for the class that `symbol` is a property of.
                    var ctor = ts.getContainingFunction(expr);
                    if (!(ctor && (ctor.kind === 171 /* SyntaxKind.Constructor */ || isJSConstructor(ctor)))) {
                        return true;
                    }
                    if (symbol.valueDeclaration) {
                        var isAssignmentDeclaration_1 = ts.isBinaryExpression(symbol.valueDeclaration);
                        var isLocalPropertyDeclaration = ctor.parent === symbol.valueDeclaration.parent;
                        var isLocalParameterProperty = ctor === symbol.valueDeclaration.parent;
                        var isLocalThisPropertyAssignment = isAssignmentDeclaration_1 && ((_a = symbol.parent) === null || _a === void 0 ? void 0 : _a.valueDeclaration) === ctor.parent;
                        var isLocalThisPropertyAssignmentConstructorFunction = isAssignmentDeclaration_1 && ((_b = symbol.parent) === null || _b === void 0 ? void 0 : _b.valueDeclaration) === ctor;
                        var isWriteableSymbol = isLocalPropertyDeclaration
                            || isLocalParameterProperty
                            || isLocalThisPropertyAssignment
                            || isLocalThisPropertyAssignmentConstructorFunction;
                        return !isWriteableSymbol;
                    }
                }
                return true;
            }
            if (ts.isAccessExpression(expr)) {
                // references through namespace import should be readonly
                var node = ts.skipParentheses(expr.expression);
                if (node.kind === 79 /* SyntaxKind.Identifier */) {
                    var symbol_2 = getNodeLinks(node).resolvedSymbol;
                    if (symbol_2.flags & 2097152 /* SymbolFlags.Alias */) {
                        var declaration = getDeclarationOfAliasSymbol(symbol_2);
                        return !!declaration && declaration.kind === 268 /* SyntaxKind.NamespaceImport */;
                    }
                }
            }
            return false;
        }
        function checkReferenceExpression(expr, invalidReferenceMessage, invalidOptionalChainMessage) {
            // References are combinations of identifiers, parentheses, and property accesses.
            var node = ts.skipOuterExpressions(expr, 6 /* OuterExpressionKinds.Assertions */ | 1 /* OuterExpressionKinds.Parentheses */);