in lib/generator.js [176:186]
saveInnerModule(ast, targetPath) {
const keys = ast.innerModule.keys();
let data = keys.next();
while (!data.done) {
const aliasId = data.value;
const moduleAst = ast.innerDep.get(aliasId);
const filepath = ast.innerModule.get(aliasId);
this.visitModule(moduleAst, filepath, false, 0);
data = keys.next();
}
}