fixes bucket scales with less values than colors

d3plus · Mar 20, 2019 · 1102bb2 · 1102bb2
1 parent cc6a31c
commit 1102bb2
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Showing 2 changed files with 1 addition and 9 deletions.
diff --git a/package.json b/package.json
@@ -24,7 +24,6 @@
   },
   "dependencies": {
     "d3-array": "^1.2.1",
-    "d3-interpolate": "^1.2.0",
     "d3-scale": "^2.0.0",
     "d3-selection": "^1.3.0",
     "d3plus-axis": "^0.4.4",

diff --git a/src/ColorScale.js b/src/ColorScale.js
@@ -7,7 +7,6 @@ import ckmeans from "./ckmeans";
 import Legend from "./Legend";
 
 import {extent, merge, range} from "d3-array";
-import {interpolateHsl} from "d3-interpolate";
 import {scaleLinear, scaleThreshold} from "d3-scale";
 import {select} from "d3-selection";
 
@@ -113,13 +112,7 @@ export default class ColorScale extends BaseClass {
         .filter(d => d !== null && typeof d === "number");
 
       if (data.length <= colors.length) {
-
-        const ts = scaleLinear()
-          .domain(range(0, data.length - 1))
-          .interpolate(interpolateHsl)
-          .range(colors);
-
-        colors = data.slice(0, data.length - 1).map((d, i) => ts(i));
+        colors = colors.slice(colors.length - data.length);
       }
 
       const jenks = ckmeans(data, colors.length);