xterm

[VSoRC/.git] / node_modules / xterm / src / common / Clone.ts

diff --git a/node_modules/xterm/src/common/Clone.ts b/node_modules/xterm/src/common/Clone.ts
new file mode 100644 (file)
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+++ b/node_modules/xterm/src/common/Clone.ts
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+/**
+ * Copyright (c) 2016 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+/*
+ * A simple utility for cloning values
+ */
+export function clone<T>(val: T, depth: number = 5): T {
+  if (typeof val !== 'object') {
+    return val;
+  }
+
+  // If we're cloning an array, use an array as the base, otherwise use an object
+  const clonedObject: any = Array.isArray(val) ? [] : {};
+
+  for (const key in val) {
+    // Recursively clone eack item unless we're at the maximum depth
+    clonedObject[key] = depth <= 1 ? val[key] : (val[key] ? clone(val[key], depth - 1) : val[key]);
+  }
+
+  return clonedObject as T;
+}