Add helper for javascript typed arrays

For scalar vector fields, emit an Array helper that
returns a typed array view of the underlying bytes buffer.

2 files changed, 31 insertions, 0 deletions

diff --git a/tests/JavaScriptTest.js b/tests/JavaScriptTest.js
index 0f4f2335..4661f870 100644
--- a/tests/JavaScriptTest.js
+++ b/tests/JavaScriptTest.js
@@ -105,6 +105,13 @@ function testBuffer(bb) {
   }
   assert.strictEqual(invsum, 10);
 
+  var invsum2 = 0;
+  var invArr = monster.inventoryArray();
+  for (var i = 0; i < invArr.length; i++) {
+    invsum2 += invArr[i];
+  }
+  assert.strictEqual(invsum2, 10);
+
   var test_0 = monster.test4(0);
   var test_1 = monster.test4(1);
   assert.strictEqual(monster.test4Length(), 2);
diff --git a/tests/monster_test_generated.js b/tests/monster_test_generated.js
index 9d0f48b0..bafc1eb8 100644
--- a/tests/monster_test_generated.js
+++ b/tests/monster_test_generated.js
@@ -448,6 +448,14 @@ MyGame.Example.Monster.prototype.inventoryLength = function() {
 };
 
 /**
+ * @returns {Uint8Array}
+ */
+MyGame.Example.Monster.prototype.inventoryArray = function() {
+  var offset = this.bb.__offset(this.bb_pos, 14);
+  return offset ? new Uint8Array(this.bb.bytes().buffer, this.bb.__vector(this.bb_pos + offset), this.bb.__vector_len(this.bb_pos + offset)) : null;
+};
+
+/**
  * @returns {MyGame.Example.Color}
  */
 MyGame.Example.Monster.prototype.color = function() {
@@ -556,6 +564,14 @@ MyGame.Example.Monster.prototype.testnestedflatbufferLength = function() {
 };
 
 /**
+ * @returns {Uint8Array}
+ */
+MyGame.Example.Monster.prototype.testnestedflatbufferArray = function() {
+  var offset = this.bb.__offset(this.bb_pos, 30);
+  return offset ? new Uint8Array(this.bb.bytes().buffer, this.bb.__vector(this.bb_pos + offset), this.bb.__vector_len(this.bb_pos + offset)) : null;
+};
+
+/**
  * @param {MyGame.Example.Stat=} obj
  * @returns {MyGame.Example.Stat}
  */
@@ -654,6 +670,14 @@ MyGame.Example.Monster.prototype.testarrayofboolsLength = function() {
 };
 
 /**
+ * @returns {Int8Array}
+ */
+MyGame.Example.Monster.prototype.testarrayofboolsArray = function() {
+  var offset = this.bb.__offset(this.bb_pos, 52);
+  return offset ? new Int8Array(this.bb.bytes().buffer, this.bb.__vector(this.bb_pos + offset), this.bb.__vector_len(this.bb_pos + offset)) : null;
+};
+
+/**
  * @param {flatbuffers.Builder} builder
  */
 MyGame.Example.Monster.startMonster = function(builder) {