Function visitClassDeclaration

test/fixtures/snapshot/typescript.js:92049–92125

(node)

                || ts.some(node.members, hasTypeScriptClassSyntax);
        }
        function visitClassDeclaration(node) {
            if (!isClassLikeDeclarationWithTypeScriptSyntax(node) && !(currentNamespace && ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */))) {
                return ts.visitEachChild(node, visitor, context);
            }
            var staticProperties = ts.getProperties(node, /*requireInitializer*/ true, /*isStatic*/ true);
            var facts = getClassFacts(node, staticProperties);
            if (facts & 128 /* ClassFacts.UseImmediatelyInvokedFunctionExpression */) {
                context.startLexicalEnvironment();
            }
            var name = node.name || (facts & 5 /* ClassFacts.NeedsName */ ? factory.getGeneratedNameForNode(node) : undefined);
            var classStatement = facts & 2 /* ClassFacts.HasConstructorDecorators */
                ? createClassDeclarationHeadWithDecorators(node, name)
                : createClassDeclarationHeadWithoutDecorators(node, name, facts);
            var statements = [classStatement];
            // Write any decorators of the node.
            addClassElementDecorationStatements(statements, node, /*isStatic*/ false);
            addClassElementDecorationStatements(statements, node, /*isStatic*/ true);
            addConstructorDecorationStatement(statements, node);
            if (facts & 128 /* ClassFacts.UseImmediatelyInvokedFunctionExpression */) {
                // When we emit a TypeScript class down to ES5, we must wrap it in an IIFE so that the
                // 'es2015' transformer can properly nest static initializers and decorators. The result
                // looks something like:
                //
                //  var C = function () {
                //      class C {
                //      }
                //      C.static_prop = 1;
                //      return C;
                //  }();
                //
                var closingBraceLocation = ts.createTokenRange(ts.skipTrivia(currentSourceFile.text, node.members.end), 19 /* SyntaxKind.CloseBraceToken */);
                var localName = factory.getInternalName(node);
                // The following partially-emitted expression exists purely to align our sourcemap
                // emit with the original emitter.
                var outer = factory.createPartiallyEmittedExpression(localName);
                ts.setTextRangeEnd(outer, closingBraceLocation.end);
                ts.setEmitFlags(outer, 1536 /* EmitFlags.NoComments */);
                var statement = factory.createReturnStatement(outer);
                ts.setTextRangePos(statement, closingBraceLocation.pos);
                ts.setEmitFlags(statement, 1536 /* EmitFlags.NoComments */ | 384 /* EmitFlags.NoTokenSourceMaps */);
                statements.push(statement);
                ts.insertStatementsAfterStandardPrologue(statements, context.endLexicalEnvironment());
                var iife = factory.createImmediatelyInvokedArrowFunction(statements);
                ts.setEmitFlags(iife, 33554432 /* EmitFlags.TypeScriptClassWrapper */);
                var varStatement = factory.createVariableStatement(
                /*modifiers*/ undefined, factory.createVariableDeclarationList([
                    factory.createVariableDeclaration(factory.getLocalName(node, /*allowComments*/ false, /*allowSourceMaps*/ false), 
                    /*exclamationToken*/ undefined, 
                    /*type*/ undefined, iife)
                ]));
                ts.setOriginalNode(varStatement, node);
                ts.setCommentRange(varStatement, node);
                ts.setSourceMapRange(varStatement, ts.moveRangePastDecorators(node));
                ts.startOnNewLine(varStatement);
                statements = [varStatement];
            }
            // If the class is exported as part of a TypeScript namespace, emit the namespace export.
            // Otherwise, if the class was exported at the top level and was decorated, emit an export