charts refactor, libs refactor

js/tabler.js

@@ -1,29 +1,4 @@
 const tabler = {
-  colorVariation: function(color, variation) {
-    const colorValue = this.colors[color];
-
-    if (colorValue) {
-      switch (variation) {
-        case 'light':
-          return this.mixColors(colorValue, '#ffffff', 70);
-        case 'lighten':
-          return this.mixColors(colorValue, '#ffffff', 30);
-        case 'lightest':
-          return this.mixColors(colorValue, '#ffffff', 10);
-        case 'dark':
-          return this.mixColors(colorValue, '#000000', 80);
-        case 'darken':
-          return this.mixColors(colorValue, '#000000', 40);
-        case 'darkest':
-          return this.mixColors(colorValue, '#000000', 20);
-      }
-
-      return colorValue;
-    }
-
-    throw new Error('Wrong color: ' + color);
-  },
-
   hexToRgbA: function(hex, opacity) {
     let c;
 
@@ -40,40 +15,6 @@ const tabler = {
     throw new Error('Bad Hex');
   },
 
-  mixColors: function(color_1, color_2, weight) {
-    color_1 = color_1.substr(1);
-    color_2 = color_2.substr(1);
-
-    function d2h(d) {
-      return d.toString(16);
-    }
-
-    function h2d(h) {
-      return parseInt(h, 16);
-    }
-
-    weight = typeof weight !== 'undefined' ? weight : 50;
-
-    let color = '#';
-
-    for (let i = 0; i <= 5; i += 2) {
-      let v1 = h2d(color_1.substr(i, 2)),
-        v2 = h2d(color_2.substr(i, 2));
-
-      let val = d2h(Math.floor(v2 + (v1 - v2) * (weight / 100.0)));
-
-      while (val.length < 2) {
-        val = '0' + val;
-      }
-
-      color += val;
-    }
-
-    return color;
-  },
-
-  colors: (window.tabler_colors || []),
-
   toggleFullscreen: function(elem) {
     elem = elem || document.documentElement;
     if (