Add feature to remove all active toasts

Author: zerodevx

docs/App.svelte

@@ -85,7 +85,10 @@ toast.pop()
 
 // Or remove a particular one
 const id = toast.push('Yo!')
-toast.pop(id)`,
+toast.pop(id)
+
+// Or remove all active toasts
+toast.pop(0)`,
     run: () => {
       toast.pop()
     }

src/stores.js

@@ -10,7 +10,11 @@ const createToast = () => {
     return count
   }
   const pop = id => {
-    update(n => id ? n.filter(i => i.id !== id) : n.splice(1))
+    update(n => {
+      if (n.length === 0 || id === 0) return []
+      const target = id || Math.max(...n.map(i => i.id))
+      return n.filter(i => i.id !== target)
+    })
   }
   const set = (id, obj) => {
     update(n => {