1 files changed, 27 insertions, 0 deletions
diff --git a/preact/src/util.js b/preact/src/util.js
new file mode 100644
index 0000000..0e9b3b1
--- /dev/null
+++ b/preact/src/util.js
@@ -0,0 +1,27 @@
+import { EMPTY_ARR } from './constants';
+
+/**
+ * Assign properties from `props` to `obj`
+ * @template O, P The obj and props types
+ * @param {O} obj The object to copy properties to
+ * @param {P} props The object to copy properties from
+ * @returns {O & P}
+ */
+export function assign(obj, props) {
+	// @ts-ignore We change the type of `obj` to be `O & P`
+	for (let i in props) obj[i] = props[i];
+	return /** @type {O & P} */ (obj);
+}
+
+/**
+ * Remove a child node from its parent if attached. This is a workaround for
+ * IE11 which doesn't support `Element.prototype.remove()`. Using this function
+ * is smaller than including a dedicated polyfill.
+ * @param {Node} node The node to remove
+ */
+export function removeNode(node) {
+	let parentNode = node.parentNode;
+	if (parentNode) parentNode.removeChild(node);
+}
+
+export const slice = EMPTY_ARR.slice;