in src/template.js [111:125]
function statements(template/*, ...nodes*/) {
template = Array.from(template);
const nodes = Array.from(arguments).slice(1);
const varNames = nodes.map(() => getUniqueVarName());
const src = template.reduce(
(result, elem, i) => result + varNames[i - 1] + elem
);
return replaceNodes(
src,
varNames,
nodes,
parser
).program.body;
}