Index: node_modules/d3-random/src/weibull.js
===================================================================
--- node_modules/d3-random/src/weibull.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
+++ node_modules/d3-random/src/weibull.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
@@ -0,0 +1,22 @@
+import defaultSource from "./defaultSource.js";
+
+export default (function sourceRandomWeibull(source) {
+  function randomWeibull(k, a, b) {
+    var outerFunc;
+    if ((k = +k) === 0) {
+      outerFunc = x => -Math.log(x);
+    } else {
+      k = 1 / k;
+      outerFunc = x => Math.pow(x, k);
+    }
+    a = a == null ? 0 : +a;
+    b = b == null ? 1 : +b;
+    return function() {
+      return a + b * outerFunc(-Math.log1p(-source()));
+    };
+  }
+
+  randomWeibull.source = sourceRandomWeibull;
+
+  return randomWeibull;
+})(defaultSource);