Revert "fix: create cache (#47)"

This reverts commit 45cabae.

src/index.js

@@ -27,8 +27,16 @@ module.exports = function module (moduleOptions) {
   // sitemap-routes.json is written to dist dir on build mode
   const jsonStaticRoutesPath = path.resolve(this.options.buildDir, path.join('dist', 'sitemap-routes.json'))
 
+  let staticRoutes = fs.readJsonSync(jsonStaticRoutesPath, { throws: false })
   let cache = null
 
+  if (staticRoutes && !this.options.dev) {
+    // Create a cache for routes
+    cache = createCache(staticRoutes, options)
+    // Hydrate cache
+    cache.get('routes')
+  }
+
   // Extend routes
   this.extendRoutes(routes => {
     // Get all static routes and ignore dynamic routes
@@ -42,13 +50,14 @@ module.exports = function module (moduleOptions) {
       staticRoutes = staticRoutes.filter(route => minimatch.match(route))
     })
 
-    if (!this.options.dev) {
+    if (this.options.dev) {
+      // Create a cache for routes
+      cache = createCache(staticRoutes, options)
+    } else {
+      // Save static routes
       fs.ensureDirSync(path.resolve(this.options.buildDir, 'dist'))
       fs.writeJsonSync(jsonStaticRoutesPath, staticRoutes)
     }
-
-    // Create a cache for routes
-    cache = createCache(staticRoutes, options)
   })
 
   if (options.generate) {