Proper array typemaps in Javascript

https://github.com/swig/swig/issues/865

Examples/javascript/array/Makefile

@@ -0,0 +1,3 @@
+SRCS =
+
+include $(SRCDIR)../example.mk

Examples/javascript/array/binding.gyp.in

@@ -0,0 +1,9 @@
+{
+  "targets": [
+    {
+      "target_name": "example",
+      "sources": [ "example_wrap.cxx" ],
+      "include_dirs": ["$srcdir"]
+    }
+  ]
+}

Examples/javascript/array/example.i

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+/* File : example.i */
+%module example
+
+%include <arrays_javascript.i>
+
+%apply int[] {int *data1}
+%apply int[3] {int data2[3]}
+%apply int[4] {int data3[4]}
+
+%inline %{
+
+int sum1(int *data1, int size) {
+    int sum = 0;
+    for (int i = 0; i < size; i++) {
+	sum += data1[i];
+    }
+    return sum;
+}
+
+int sum2(int data2[3]) {
+    int sum = 0;
+    for (int i = 0; i < 3; i++) {
+	sum += data2[i];
+    }
+    return sum;
+}
+
+int data3[4] = {1, 2, 3, 4};
+
+%}
+

Examples/javascript/array/example.js

@@ -0,0 +1 @@
+module.exports = require("build/Release/example");

Examples/javascript/array/runme.js

@@ -0,0 +1,7 @@
+var example = require("example");
+
+var arr = [1, 2, 3, 4, 5];
+
+console.log(example.sum1(arr, arr.length));
+console.log(example.sum2(arr));
+console.log(example.data3)