Merge branch 'develop' into a11y-improvements

# Conflicts:
#	dist/plyr.js
#	dist/plyr.js.map
#	dist/plyr.min.js
#	dist/plyr.min.js.map
#	dist/plyr.polyfilled.js
#	dist/plyr.polyfilled.js.map
#	dist/plyr.polyfilled.min.js
#	dist/plyr.polyfilled.min.js.map
#	src/js/controls.js
#	src/js/fullscreen.js
#	src/js/plyr.js
#	src/js/ui.js
#	src/js/utils.js

1 files changed, 23 insertions, 0 deletions

diff --git a/src/js/utils/arrays.js b/src/js/utils/arrays.js
new file mode 100644
index 00000000..69ef242c
--- /dev/null
+++ b/src/js/utils/arrays.js
@@ -0,0 +1,23 @@
+// ==========================================================================
+// Array utils
+// ==========================================================================
+
+import is from './is';
+
+// Remove duplicates in an array
+export function dedupe(array) {
+    if (!is.array(array)) {
+        return array;
+    }
+
+    return array.filter((item, index) => array.indexOf(item) === index);
+}
+
+// Get the closest value in an array
+export function closest(array, value) {
+    if (!is.array(array) || !array.length) {
+        return null;
+    }
+
+    return array.reduce((prev, curr) => (Math.abs(curr - value) < Math.abs(prev - value) ? curr : prev));
+}