Update for choo@7 (#527)

* Update choo

* Remove choo peerDependency

* Add support for choo@6

package.json

@@ -53,7 +53,7 @@
     "minimist": "^1.2.0",
     "mkdirp": "^0.5.1",
     "nanohtml": "^1.2.4",
-    "nanologger": "^1.3.1",
+    "nanologger": "^2.0.0",
     "nanoraf": "^3.0.1",
     "nanotiming": "^7.2.0",
     "on-idle": "^3.1.4",
@@ -82,14 +82,14 @@
     "v8-compile-cache": "^2.0.0",
     "wasm-brotli": "^1.0.2",
     "watchify": "^3.10.0",
-    "wayfarer": "^6.6.3"
+    "wayfarer": "^7.0.0"
   },
   "devDependencies": {
     "a-module-with-babelrc": "^1.0.0",
     "assert-html": "^1.1.5",
-    "choo": "^6.8.0",
-    "choo-devtools": "^2.3.3",
-    "choo-service-worker": "^2.4.0",
+    "choo": "^7.0.0",
+    "choo-devtools": "^3.0.0",
+    "choo-service-worker": "^3.0.0",
     "read-file-tree": "^1.1.0",
     "standard": "^12.0.1",
     "tachyons": "^4.9.1",

ssr/choo.js

@@ -55,10 +55,6 @@ module.exports.listRoutes = function (app) {
 //
 // NOTE: state is never passed in it seems. Funky fn signature, this should be
 // fixed.
-//
-// NOTE: Choo currently doesn't use the passed-in state as the base. It probably
-// should, so we can treat the state as the only stateful bits, and the rest is
-// just context.
 
 module.exports.render = function (app, route, cb) {
   var state = {}
@@ -80,8 +76,10 @@ module.exports.render = function (app, route, cb) {
     var res = { state: state }
     res.body = app.toString(route, state)
     delete res.state._experimental_prefetch // State needs to be serializable.
-    if (app.state.title) res.title = app.state.title
-    if (app.state.language) res.language = app.state.language
+    var title = state.title || app.state.title // Support for choo@6
+    var lang = state.language || app.state.language // Support for choo@6
+    if (title) res.title = title
+    if (lang) res.language = lang
     if (app.selector) res.selector = app.selector
     cb(null, res)
   }