jgcmarins · October 1, 2020 17:16 · Apr 10, 2019 · Apr 10, 2019 · Apr 10, 2019
diff --git a/listener.mjs b/listener.mjs
@@ -1 +0,0 @@
-store.subscribe(state => console.log(state))

diff --git a/mutator b/mutator
@@ -1 +0,0 @@
-store.mutate(state => state.thing = { id: 'yolo' })

diff --git a/listener.mjs b/listener.mjs
@@ -0,0 +1 @@
+store.subscribe(state => console.log(state))
diff --git a/mutator b/mutator
@@ -0,0 +1 @@
+store.mutate(state => state.thing = { id: 'yolo' })
diff --git a/store.mjs b/store.mjs
@@ -0,0 +1,42 @@
+const listeners = []
+const state = {}
+let noop = x => x
+
+function subscribe (fn) {
+  listeners.push(fn)
+}
+
+function unsubscribe (fn) {
+  listeners.splice(listeners.indexOf(fn), 1)
+}
+
+function mutate (mutation) {
+  mutation = mutation || noop
+  let i = 0
+  let l = listeners.length
+  let fn
+  mutation(state)
+  for (i; i < l; i++) {
+    fn = listeners[i]
+    fn(state)
+  }
+}
+
+function merge (o, n) {
+  for (let prop in n) {
+    o[prop] = n[prop]
+  }
+}
+
+function store (initialState) {
+  if (initialState) {
+    merge(state, initialState)
+  }
+  return state
+}
+
+store.subscribe = subscribe
+store.unsubscribe = unsubscribe
+store.mutate = mutate
+
+export default store
Original file line number	Diff line number	Diff line change
		@@ -1 +0,0 @@
		store.mutate(state => state.thing = { id: 'yolo' })
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		store.mutate(state => state.thing = { id: 'yolo' })