Merge pull request #9 from victorqribeiro/victor/feature/add-state

[feat] add createState function

tiny.js

@@ -25,4 +25,11 @@
   })
   window['$'] = selector => document.querySelector(selector)
   window['$$'] = selector => Array.from(document.querySelectorAll(selector))
+  window['createState'] = state => {
+    const appState = { ...state }
+    appState._updates = Object.fromEntries(Object.keys(state).map(s => [s, []]))
+    appState._update = s => appState._updates[s].forEach(u => u())
+    appState.addUpdate = (s, u) => appState._updates[s].push(u)
+    return new Proxy(appState, {set(o, p, v) {o[p] = v; o._update(p); return true}})
+  }
 })()