Function visitImportEqualsDeclaration

test/fixtures/snapshot/typescript.js:93948–93983

* Visits an import equals declaration. * * @param node The import equals declaration node.

(node)

         * @param node The import equals declaration node.
         */
        function visitImportEqualsDeclaration(node) {
            // Always elide type-only imports
            if (node.isTypeOnly) {
                return undefined;
            }
            if (ts.isExternalModuleImportEqualsDeclaration(node)) {
                var isReferenced = shouldEmitAliasDeclaration(node);
                // If the alias is unreferenced but we want to keep the import, replace with 'import "mod"'.
                if (!isReferenced && compilerOptions.importsNotUsedAsValues === 1 /* ImportsNotUsedAsValues.Preserve */) {
                    return ts.setOriginalNode(ts.setTextRange(factory.createImportDeclaration(
                    /*decorators*/ undefined, 
                    /*modifiers*/ undefined, 
                    /*importClause*/ undefined, node.moduleReference.expression, 
                    /*assertClause*/ undefined), node), node);
                }
                return isReferenced ? ts.visitEachChild(node, visitor, context) : undefined;
            }
            if (!shouldEmitImportEqualsDeclaration(node)) {
                return undefined;
            }
            var moduleReference = ts.createExpressionFromEntityName(factory, node.moduleReference);
            ts.setEmitFlags(moduleReference, 1536 /* EmitFlags.NoComments */ | 2048 /* EmitFlags.NoNestedComments */);
            if (isNamedExternalModuleExport(node) || !isExportOfNamespace(node)) {
                //  export var ${name} = ${moduleReference};
                //  var ${name} = ${moduleReference};
                return ts.setOriginalNode(ts.setTextRange(factory.createVariableStatement(ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier), factory.createVariableDeclarationList([
                    ts.setOriginalNode(factory.createVariableDeclaration(node.name, 
                    /*exclamationToken*/ undefined, 
                    /*type*/ undefined, moduleReference), node)
                ])), node), node);
            }
            else {
                // exports.${name} = ${moduleReference};
                return ts.setOriginalNode(createNamespaceExport(node.name, moduleReference, node), node);
            }
        }
        /**
         * Gets a value indicating whether the node is exported from a namespace.
         *