Function addExport

test/fixtures/snapshot/typescript.js:162659–162661

(decl, useEs6Exports)

            return getNamesToExportInCommonJS(decl).some(function (name) { return sourceFile.symbol.exports.has(ts.escapeLeadingUnderscores(name)); });
        }
        function addExport(decl, useEs6Exports) {
            return useEs6Exports ? [addEs6Export(decl)] : addCommonjsExport(decl);
        }
        function addEs6Export(d) {
            var modifiers = ts.concatenate([ts.factory.createModifier(93 /* SyntaxKind.ExportKeyword */)], d.modifiers);
            switch (d.kind) {