Function findOwnConstructorReferences

test/fixtures/snapshot/typescript.js:138382–138407

* `classSymbol` is the class where the constructor was defined. * Reference the constructor and all calls to `new this()`.

(classSymbol, sourceFile, addNode)

             * Reference the constructor and all calls to `new this()`.
             */
            function findOwnConstructorReferences(classSymbol, sourceFile, addNode) {
                var constructorSymbol = getClassConstructorSymbol(classSymbol);
                if (constructorSymbol && constructorSymbol.declarations) {
                    for (var _i = 0, _a = constructorSymbol.declarations; _i < _a.length; _i++) {
                        var decl = _a[_i];
                        var ctrKeyword = ts.findChildOfKind(decl, 134 /* SyntaxKind.ConstructorKeyword */, sourceFile);
                        ts.Debug.assert(decl.kind === 171 /* SyntaxKind.Constructor */ && !!ctrKeyword);
                        addNode(ctrKeyword);
                    }
                }
                if (classSymbol.exports) {
                    classSymbol.exports.forEach(function (member) {
                        var decl = member.valueDeclaration;
                        if (decl && decl.kind === 169 /* SyntaxKind.MethodDeclaration */) {
                            var body = decl.body;
                            if (body) {
                                forEachDescendantOfKind(body, 108 /* SyntaxKind.ThisKeyword */, function (thisKeyword) {
                                    if (ts.isNewExpressionTarget(thisKeyword)) {
                                        addNode(thisKeyword);
                                    }
                                });
                            }
                        }
                    });
                }
            }
            function getClassConstructorSymbol(classSymbol) {
                return classSymbol.members && classSymbol.members.get("__constructor" /* InternalSymbolName.Constructor */);
            }