wip: migrate to bun

src/sampleSize.ts

@@ -0,0 +1,40 @@
+import copyArray from './.internal/copyArray.js';
+import slice from './slice.js';
+
+/**
+ * Gets `n` random elements at unique keys from `array` up to the
+ * size of `array`.
+ *
+ * @since 4.0.0
+ * @category Array
+ * @param {Array} array The array to sample.
+ * @param {number} [n=1] The number of elements to sample.
+ * @returns {Array} Returns the random elements.
+ * @example
+ *
+ * sampleSize([1, 2, 3], 2)
+ * // => [3, 1]
+ *
+ * sampleSize([1, 2, 3], 4)
+ * // => [2, 3, 1]
+ */
+function sampleSize(array, n) {
+    n = n == null ? 1 : n;
+    const length = array == null ? 0 : array.length;
+    if (!length || n < 1) {
+        return [];
+    }
+    n = n > length ? length : n;
+    let index = -1;
+    const lastIndex = length - 1;
+    const result = copyArray(array);
+    while (++index < n) {
+        const rand = index + Math.floor(Math.random() * (lastIndex - index + 1));
+        const value = result[rand];
+        result[rand] = result[index];
+        result[index] = value;
+    }
+    return slice(result, 0, n);
+}
+
+export default sampleSize;