assert for arrays on .toString() (#642)

2018-03-14 12:21:05 +01:00
parent 3e95bbdf3c
commit 52ec4f3ad3
1 changed files with 1 additions and 0 deletions
@@ -208,6 +208,7 @@ Choo.prototype.toString = function (location, state) {
  this._matchRoute(location)
  var html = this._prerender(this.state)
  assert.ok(html, 'choo.toString: no valid value returned for the route ' + location)
+  assert(!Array.isArray(html), 'choo.toString: return value was an array for the route ' + location)
  return typeof html.outerHTML === 'string' ? html.outerHTML : html.toString()
 }