main repo

node_modules/d3-interpolate/src/array.js

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+import value from "./value.js";
+import numberArray, {isNumberArray} from "./numberArray.js";
+
+export default function(a, b) {
+  return (isNumberArray(b) ? numberArray : genericArray)(a, b);
+}
+
+export function genericArray(a, b) {
+  var nb = b ? b.length : 0,
+      na = a ? Math.min(nb, a.length) : 0,
+      x = new Array(na),
+      c = new Array(nb),
+      i;
+
+  for (i = 0; i < na; ++i) x[i] = value(a[i], b[i]);
+  for (; i < nb; ++i) c[i] = b[i];
+
+  return function(t) {
+    for (i = 0; i < na; ++i) c[i] = x[i](t);
+    return c;
+  };
+}