add transducer protocol to List/Map/Set as per cognitect-labs/transdu…

…cers-js#20
donabrams · Jul 16, 2015 · a616eca · a616eca
1 parent c7c4ddc
commit a616eca
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Showing 5 changed files with 79 additions and 37 deletions.
diff --git a/dist/immutable.js b/dist/immutable.js
@@ -1958,6 +1958,15 @@
   MapPrototype[IS_MAP_SENTINEL] = true;
   MapPrototype[DELETE] = MapPrototype.remove;
   MapPrototype.removeIn = MapPrototype.deleteIn;
+  MapPrototype['@@transducer/init'] = function() {
+    return this.asMutable();
+  };
+  MapPrototype['@@transducer/step'] = function(result, arr) {
+    return result.set(arr[0], arr[1]);
+  };
+  MapPrototype['@@transducer/result'] = function(obj) {
+    return obj.asImmutable();
+  };
 
 
   // #pragma Trie Nodes
@@ -2785,6 +2794,15 @@
   ListPrototype.asMutable = MapPrototype.asMutable;
   ListPrototype.asImmutable = MapPrototype.asImmutable;
   ListPrototype.wasAltered = MapPrototype.wasAltered;
+  ListPrototype['@@transducer/init'] = function() {
+    return this.asMutable();
+  };
+  ListPrototype['@@transducer/step'] = function(result, arr) {
+    return result.push(arr);
+  };
+  List.prototype['@@transducer/result'] = function(obj) {
+    return obj.asImmutable();
+  };
 
 
 
@@ -3692,6 +3710,15 @@
   SetPrototype.withMutations = MapPrototype.withMutations;
   SetPrototype.asMutable = MapPrototype.asMutable;
   SetPrototype.asImmutable = MapPrototype.asImmutable;
+  SetPrototype['@@transducer/init'] = function() {
+    return this.asMutable();
+  };
+  SetPrototype['@@transducer/step'] = function(result, arr) {
+    return result.add(arr);
+  };
+  SetPrototype['@@transducer/result'] = function(obj) {
+    return obj.asImmutable();
+  };
 
   SetPrototype.__empty = emptySet;
   SetPrototype.__make = makeSet;