Function checkClassForDuplicateDeclarations

test/fixtures/snapshot/typescript.js:80253–80326

(node)

            }
        }
        function checkClassForDuplicateDeclarations(node) {
            var instanceNames = new ts.Map();
            var staticNames = new ts.Map();
            // instance and static private identifiers share the same scope
            var privateIdentifiers = new ts.Map();
            for (var _i = 0, _a = node.members; _i < _a.length; _i++) {
                var member = _a[_i];
                if (member.kind === 171 /* SyntaxKind.Constructor */) {
                    for (var _b = 0, _c = member.parameters; _b < _c.length; _b++) {
                        var param = _c[_b];
                        if (ts.isParameterPropertyDeclaration(param, member) && !ts.isBindingPattern(param.name)) {
                            addName(instanceNames, param.name, param.name.escapedText, 3 /* DeclarationMeaning.GetOrSetAccessor */);
                        }
                    }
                }
                else {
                    var isStaticMember = ts.isStatic(member);
                    var name = member.name;
                    if (!name) {
                        continue;
                    }
                    var isPrivate = ts.isPrivateIdentifier(name);
                    var privateStaticFlags = isPrivate && isStaticMember ? 16 /* DeclarationMeaning.PrivateStatic */ : 0;
                    var names = isPrivate ? privateIdentifiers :
                        isStaticMember ? staticNames :
                            instanceNames;
                    var memberName = name && ts.getPropertyNameForPropertyNameNode(name);
                    if (memberName) {
                        switch (member.kind) {
                            case 172 /* SyntaxKind.GetAccessor */:
                                addName(names, name, memberName, 1 /* DeclarationMeaning.GetAccessor */ | privateStaticFlags);
                                break;
                            case 173 /* SyntaxKind.SetAccessor */:
                                addName(names, name, memberName, 2 /* DeclarationMeaning.SetAccessor */ | privateStaticFlags);
                                break;
                            case 167 /* SyntaxKind.PropertyDeclaration */:
                                addName(names, name, memberName, 3 /* DeclarationMeaning.GetOrSetAccessor */ | privateStaticFlags);
                                break;
                            case 169 /* SyntaxKind.MethodDeclaration */:
                                addName(names, name, memberName, 8 /* DeclarationMeaning.Method */ | privateStaticFlags);
                                break;
                        }
                    }
                }
            }
            function addName(names, location, name, meaning) {
                var prev = names.get(name);
                if (prev) {
                    // For private identifiers, do not allow mixing of static and instance members with the same name
                    if ((prev & 16 /* DeclarationMeaning.PrivateStatic */) !== (meaning & 16 /* DeclarationMeaning.PrivateStatic */)) {
                        error(location, ts.Diagnostics.Duplicate_identifier_0_Static_and_instance_elements_cannot_share_the_same_private_name, ts.getTextOfNode(location));
                    }
                    else {
                        var prevIsMethod = !!(prev & 8 /* DeclarationMeaning.Method */);
                        var isMethod = !!(meaning & 8 /* DeclarationMeaning.Method */);
                        if (prevIsMethod || isMethod) {
                            if (prevIsMethod !== isMethod) {
                                error(location, ts.Diagnostics.Duplicate_identifier_0, ts.getTextOfNode(location));