now presenta is a primise

Author: abusedmedia

src/controllers/cache/index.js

@@ -2,27 +2,46 @@ import u from '../../utils.js'
 
 const caches = []
 
-const cache = function (rootElement, router, ctrlConfig, projectConfig) {
-  projectConfig.scenes.forEach(s => {
-    s.blocks.forEach(b => {
-      const blk = caches.find(d => d.type === b.type)
-      if (blk && b.url) {
-        const f = blk => {
-          fetch(b.url).then(data => {
-            data.text().then(data => {
-              b._cache = data
-            })
-          })
-        }
-        f(blk)
-      }
-    })
-  })
-}
+const cache = function (rootElement, router, ctrlConfig, projectConfig) {}
 
 const addCache = ob => {
   caches.push(ob)
 }
 u.io.addCache = addCache
 
+cache.run = config => {
+  return new Promise((resolve, reject) => {
+    let len = 0
+    let cnt = 0
+
+    const blocks = config.scenes.reduce((a, s) => {
+      s.blocks.reduce((a2, b) => {
+        const blk = caches.find(d => d.type === b.type)
+        if (blk && b.url) a.push(b)
+      }, [])
+      return a
+    }, [])
+
+    if (blocks.length === 0) resolve()
+
+    blocks.forEach(block => {
+      const f = block => {
+        fetch(block.url).then(data => {
+          data.text().then(data => {
+            block._cache = data
+            cnt++
+            if (cnt === len) resolve()
+          })
+        }).catch(err => {
+          cnt++
+          block._cache = err + ': ' + block.url
+          if (cnt === len) resolve()
+        })
+      }
+      len++
+      f(block)
+    })
+  })
+}
+
 export { cache }

src/index.js

@@ -17,9 +17,19 @@ const Presenta = function (el, config) {
 
   const plugins = { ...controllers, ...modules, ...blocks }
   for (const k in plugins) if (plugins[k].init) plugins[k].init()
-  for (const k in plugins) if (plugins[k].run) plugins[k].run(config)
 
-  return new Container(utils.select(el), config)
+  const all = []
+  for (const k in plugins) {
+    if (plugins[k].run) {
+      all.push(plugins[k].run(config))
+    }
+  }
+
+  return new Promise((resolve, reject) => {
+    Promise.all(all).then(values => {
+      resolve(new Container(utils.select(el), config))
+    })
+  })
 }
 
 addBlock('group', group) // this to avoid circular dependencies warning, since removed implicit inclusion in block types