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Update svg-area-heatmap.js #366

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Update svg-area-heatmap.js #366

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16 changes: 8 additions & 8 deletions plugins/svg-area-heatmap.js
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Original file line number Diff line number Diff line change
Expand Up @@ -8,18 +8,18 @@
(function() {
'use strict';

var SvgAreaHeatmap = (function SvgAreaHeatmapClosure() {
let SvgAreaHeatmap = (function SvgAreaHeatmapClosure() {

var _getColorPalette = function(config) {
var gradientConfig = config.gradient || config.defaultGradient;
var paletteCanvas = document.createElement('canvas');
var paletteCtx = paletteCanvas.getContext('2d');
let _getColorPalette = function(config) {
let gradientConfig = config.gradient || config.defaultGradient;
let paletteCanvas = document.createElement('canvas');
let paletteCtx = paletteCanvas.getContext('2d');

paletteCanvas.width = 256;
paletteCanvas.height = 1;

var gradient = paletteCtx.createLinearGradient(0, 0, 256, 1);
for (var key in gradientConfig) {
let gradient = paletteCtx.createLinearGradient(0, 0, 256, 1);
for (let key in gradientConfig) {
gradient.addColorStop(key, gradientConfig[key]);
}

Expand Down Expand Up @@ -192,4 +192,4 @@

h337.register('SvgAreaHeatmap', SvgAreaHeatmap);

}());
}());