1 files changed, 65 insertions, 0 deletions
diff --git a/roms/edk2/MdeModulePkg/Library/BrotliCustomDecompressLib/brotli/js/polyfill.js b/roms/edk2/MdeModulePkg/Library/BrotliCustomDecompressLib/brotli/js/polyfill.js
new file mode 100644
index 000000000..707a89a6e
--- /dev/null
+++ b/roms/edk2/MdeModulePkg/Library/BrotliCustomDecompressLib/brotli/js/polyfill.js
@@ -0,0 +1,65 @@
+if (!Int32Array.__proto__.from) {
+  Object.defineProperty(Int32Array.__proto__, 'from', {
+    value: function(obj) {
+      obj = Object(obj);
+      if (!obj['length']) {
+        return new this(0);
+      }
+      var typed_array = new this(obj.length);
+      for(var i = 0; i < typed_array.length; i++) {
+        typed_array[i] = obj[i];
+      }
+      return typed_array;
+    }
+  });
+}
+
+if (!Array.prototype.copyWithin) {
+  Array.prototype.copyWithin = function(target, start, end) {
+    var O = Object(this);
+    var len = O.length >>> 0;
+    var to = target | 0;
+    var from = start | 0;
+    var count = Math.min(Math.min(end | 0, len) - from, len - to);
+    var direction = 1;
+    if (from < to && to < (from + count)) {
+      direction = -1;
+      from += count - 1;
+      to += count - 1;
+    }
+    while (count > 0) {
+      O[to] = O[from];
+      from += direction;
+      to += direction;
+      count--;
+    }
+    return O;
+  };
+}
+
+if (!Array.prototype.fill) {
+  Object.defineProperty(Array.prototype, 'fill', {
+    value: function(value, start, end) {
+      end = end | 0;
+      var O = Object(this);
+      var k = start | 0;
+      while (k < end) {
+        O[k] = value;
+        k++;
+      }
+      return O;
+    }
+  });
+}
+
+if (!Int8Array.prototype.copyWithin) {
+  Int8Array.prototype.copyWithin = Array.prototype.copyWithin;
+}
+
+if (!Int8Array.prototype.fill) {
+  Int8Array.prototype.fill = Array.prototype.fill;
+}
+
+if (!Int32Array.prototype.fill) {
+  Int32Array.prototype.fill = Array.prototype.fill;
+}