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backend/node_modules/mnemonist/sort/insertion.js

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+/**
+ * Mnemonist Insertion Sort
+ * =========================
+ *
+ * Insertion sort related functions.
+ */
+function inplaceInsertionSort(array, lo, hi) {
+  i = lo + 1;
+
+  var j, k;
+
+  for (; i < hi; i++) {
+    k = array[i];
+    j = i - 1;
+
+    while (j >= lo && array[j] > k) {
+      array[j + 1] = array[j];
+      j--;
+    }
+
+    array[j + 1] = k;
+  }
+
+  return array;
+}
+
+exports.inplaceInsertionSort = inplaceInsertionSort;
+
+function inplaceInsertionSortIndices(array, indices, lo, hi) {
+  i = lo + 1;
+
+  var j, k, t;
+
+  for (; i < hi; i++) {
+    t = indices[i];
+    k = array[t];
+    j = i - 1;
+
+    while (j >= lo && array[indices[j]] > k) {
+      indices[j + 1] = indices[j];
+      j--;
+    }
+
+    indices[j + 1] = t;
+  }
+
+  return indices;
+}
+
+exports.inplaceInsertionSortIndices = inplaceInsertionSortIndices;