Index: node_modules/d3-array/src/least.js
===================================================================
--- node_modules/d3-array/src/least.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
+++ node_modules/d3-array/src/least.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
@@ -0,0 +1,29 @@
+import ascending from "./ascending.js";
+
+export default function least(values, compare = ascending) {
+  let min;
+  let defined = false;
+  if (compare.length === 1) {
+    let minValue;
+    for (const element of values) {
+      const value = compare(element);
+      if (defined
+          ? ascending(value, minValue) < 0
+          : ascending(value, value) === 0) {
+        min = element;
+        minValue = value;
+        defined = true;
+      }
+    }
+  } else {
+    for (const value of values) {
+      if (defined
+          ? compare(value, min) < 0
+          : compare(value, value) === 0) {
+        min = value;
+        defined = true;
+      }
+    }
+  }
+  return min;
+}