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-rw-r--r--src/js/utils/arrays.js23
1 files changed, 23 insertions, 0 deletions
diff --git a/src/js/utils/arrays.js b/src/js/utils/arrays.js
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+++ b/src/js/utils/arrays.js
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+// ==========================================================================
+// 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));
+}