Bar graph added.

node_modules/d3-array/src/bisector.js

@@ -0,0 +1,33 @@
+import ascending from "./ascending.js";
+
+export default function(compare) {
+  if (compare.length === 1) compare = ascendingComparator(compare);
+  return {
+    left: function(a, x, lo, hi) {
+      if (lo == null) lo = 0;
+      if (hi == null) hi = a.length;
+      while (lo < hi) {
+        var mid = lo + hi >>> 1;
+        if (compare(a[mid], x) < 0) lo = mid + 1;
+        else hi = mid;
+      }
+      return lo;
+    },
+    right: function(a, x, lo, hi) {
+      if (lo == null) lo = 0;
+      if (hi == null) hi = a.length;
+      while (lo < hi) {
+        var mid = lo + hi >>> 1;
+        if (compare(a[mid], x) > 0) hi = mid;
+        else lo = mid + 1;
+      }
+      return lo;
+    }
+  };
+}
+
+function ascendingComparator(f) {
+  return function(d, x) {
+    return ascending(f(d), x);
+  };
+}