vega-scale - npm Package Compare versions

Comparing version 3.0.0 to 4.0.0

build/vega-scale.js

 (function (global, factory) {
-  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('d3-time'), require('d3-array'), require('d3-scale'), require('vega-util'), require('d3-interpolate'), require('d3-scale-chromatic')) :
-  typeof define === 'function' && define.amd ? define(['exports', 'd3-time', 'd3-array', 'd3-scale', 'vega-util', 'd3-interpolate', 'd3-scale-chromatic'], factory) :
-  (global = global || self, factory(global.vega = {}, global.d3, global.d3, global.d3, global.vega, global.d3, global.d3));
-}(this, function (exports, d3Time, d3Array, $, vegaUtil, $$1, _) { 'use strict';
+  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('d3-time'), require('d3-array'), require('d3-scale'), require('vega-util'), require('d3-interpolate')) :
+  typeof define === 'function' && define.amd ? define(['exports', 'd3-time', 'd3-array', 'd3-scale', 'vega-util', 'd3-interpolate'], factory) :
+  (global = global || self, factory(global.vega = {}, global.d3, global.d3, global.d3, global.vega, global.d3));
+}(this, function (exports, d3Time, d3Array, $, vegaUtil, $$1) { 'use strict';
 
@@ -143,5 +143,5 @@ function bandSpace(count, paddingInner, paddingOuter) {
   function invertRange(scale) {
-    return function(_$$1) {
-      var lo = _$$1[0],
-          hi = _$$1[1],
+    return function(_) {
+      var lo = _[0],
+          hi = _[1],
           t;
@@ -163,6 +163,6 @@
   function invertRangeExtent(scale) {
-    return function(_$$1) {
+    return function(_) {
       var range = scale.range(),
-          lo = _$$1[0],
-          hi = _$$1[1],
+          lo = _[0],
+          hi = _[1],
           min = -1, max, t, i, n;
@@ -230,5 +230,5 @@
 
-    scale.domain = function(_$$1) {
+    scale.domain = function(_) {
       if (arguments.length) {
-        domain(_$$1);
+        domain(_);
         return rescale();
@@ -240,5 +240,5 @@ } else {
 
-    scale.range = function(_$$1) {
+    scale.range = function(_) {
       if (arguments.length) {
-        range = [+_$$1[0], +_$$1[1]];
+        range = [+_[0], +_[1]];
         return rescale();
@@ -250,4 +250,4 @@ } else {
 
-    scale.rangeRound = function(_$$1) {
-      range = [+_$$1[0], +_$$1[1]];
+    scale.rangeRound = function(_) {
+      range = [+_[0], +_[1]];
       round = true;
@@ -265,5 +265,5 @@ return rescale();
 
-    scale.round = function(_$$1) {
+    scale.round = function(_) {
       if (arguments.length) {
-        round = !!_$$1;
+        round = !!_;
         return rescale();
@@ -275,5 +275,5 @@ } else {
 
-    scale.padding = function(_$$1) {
+    scale.padding = function(_) {
       if (arguments.length) {
-        paddingOuter = Math.max(0, Math.min(1, _$$1));
+        paddingOuter = Math.max(0, Math.min(1, _));
         paddingInner = paddingOuter;
@@ -286,5 +286,5 @@ return rescale();
 
-    scale.paddingInner = function(_$$1) {
+    scale.paddingInner = function(_) {
       if (arguments.length) {
-        paddingInner = Math.max(0, Math.min(1, _$$1));
+        paddingInner = Math.max(0, Math.min(1, _));
         return rescale();
@@ -296,5 +296,5 @@ } else {
 
-    scale.paddingOuter = function(_$$1) {
+    scale.paddingOuter = function(_) {
       if (arguments.length) {
-        paddingOuter = Math.max(0, Math.min(1, _$$1));
+        paddingOuter = Math.max(0, Math.min(1, _));
         return rescale();
@@ -306,5 +306,5 @@ } else {
 
-    scale.align = function(_$$1) {
+    scale.align = function(_) {
       if (arguments.length) {
-        align = Math.max(0, Math.min(1, _$$1));
+        align = Math.max(0, Math.min(1, _));
         return rescale();
@@ -316,8 +316,8 @@ } else {
 
-    scale.invertRange = function(_$$1) {
+    scale.invertRange = function(_) {
       // bail if range has null or undefined values
-      if (_$$1[0] == null || _$$1[1] == null) return;
+      if (_[0] == null || _[1] == null) return;
 
-      var lo = +_$$1[0],
-          hi = +_$$1[1],
+      var lo = +_[0],
+          hi = +_[1],
           reverse = range[1] < range[0],
@@ -354,4 +354,4 @@ values = reverse ? ordinalRange().reverse() : ordinalRange(),
 
-    scale.invert = function(_$$1) {
-      var value = scale.invertRange([_$$1, _$$1]);
+    scale.invert = function(_) {
+      var value = scale.invertRange([_, _]);
       return value ? value[0] : value;
@@ -392,4 +392,4 @@ };
 
-  function numbers(_$$1) {
-    return map.call(_$$1, function(x) { return +x; });
+  function numbers(_) {
+    return map.call(_, function(x) { return +x; });
   }
@@ -409,5 +409,5 @@
 
-    scale.domain = function(_$$1) {
+    scale.domain = function(_) {
       if (arguments.length) {
-        domain = numbers(_$$1);
+        domain = numbers(_);
         return scale;
@@ -419,5 +419,5 @@ } else {
 
-    scale.range = function(_$$1) {
+    scale.range = function(_) {
       if (arguments.length) {
-        range = slice.call(_$$1);
+        range = slice.call(_);
         return scale;
@@ -519,5 +519,16 @@ } else {
 
-  function scaleCopy(scale$$1) {
-    const t = scale$$1.type,
-          s = scale$$1.copy();
+  function interpolateColors(colors, type, gamma) {
+    return $$1.piecewise(interpolate(type || 'rgb', gamma), colors);
+  }
+
+  function quantizeInterpolator(interpolator, count) {
+    var samples = new Array(count),
+        n = count + 1;
+    for (var i = 0; i < count;) samples[i] = interpolator(++i / n);
+    return samples;
+  }
+
+  function scaleCopy(scale) {
+    const t = scale.type,
+          s = scale.copy();
     s.type = t;
@@ -527,3 +538,3 @@ return s;
 
-  function scaleFraction(scale$$1, min, max) {
+  function scaleFraction(scale$1, min, max) {
     var delta = max - min, i, t, s;
@@ -534,6 +545,6 @@
     } else {
-      i = (t = scale$$1.type).indexOf('-');
+      i = (t = scale$1.type).indexOf('-');
       t = i < 0 ? t : t.slice(i + 1);
       s = scale(t)().domain([min, max]).range([0, 1]);
-      scaleProps.forEach(m => scale$$1[m] ? s[m](scale$$1[m]()) : 0);
+      scaleProps.forEach(m => scale$1[m] ? s[m](scale$1[m]()) : 0);
       return s;
@@ -557,142 +568,105 @@ }
 
-  function colors(specifier) {
-    var n = specifier.length / 6 | 0, colors = new Array(n), i = 0;
-    while (i < n) colors[i] = "#" + specifier.slice(i * 6, ++i * 6);
-    return colors;
-  }
+  const continuous = {
+    blues: 'cfe1f2bed8eca8cee58fc1de74b2d75ba3cf4592c63181bd206fb2125ca40a4a90',
+    greens: 'd3eecdc0e6baabdda594d3917bc77d60ba6c46ab5e329a512089430e7735036429',
+    greys: 'e2e2e2d4d4d4c4c4c4b1b1b19d9d9d8888887575756262624d4d4d3535351e1e1e',
+    oranges: 'fdd8b3fdc998fdb87bfda55efc9244f87f2cf06b18e4580bd14904b93d029f3303',
+    purples: 'e2e1efd4d4e8c4c5e0b4b3d6a3a0cc928ec3827cb97566ae684ea25c3696501f8c',
+    reds: 'fdc9b4fcb49afc9e80fc8767fa7051f6573fec3f2fdc2a25c81b1db21218970b13',
 
-  var category20 = colors(
-    '1f77b4aec7e8ff7f0effbb782ca02c98df8ad62728ff98969467bdc5b0d58c564bc49c94e377c2f7b6d27f7f7fc7c7c7bcbd22dbdb8d17becf9edae5'
-  );
+    blueGreen: 'd5efedc1e8e0a7ddd18bd2be70c6a958ba9144ad77319c5d2089460e7736036429',
+    bluePurple: 'ccddecbad0e4a8c2dd9ab0d4919cc98d85be8b6db28a55a6873c99822287730f71',
+    greenBlue: 'd3eecec5e8c3b1e1bb9bd8bb82cec269c2ca51b2cd3c9fc7288abd1675b10b60a1',
+    orangeRed: 'fddcaffdcf9bfdc18afdad77fb9562f67d53ee6545e24932d32d1ebf130da70403',
+    purpleBlue: 'dbdaebc8cee4b1c3de97b7d87bacd15b9fc93a90c01e7fb70b70ab056199045281',
+    purpleBlueGreen: 'dbd8eac8cee4b0c3de93b7d872acd1549fc83892bb1c88a3097f8702736b016353',
+    purpleRed: 'dcc9e2d3b3d7ce9eccd186c0da6bb2e14da0e23189d91e6fc61159ab07498f023a',
+    redPurple: 'fccfccfcbec0faa9b8f98faff571a5ec539ddb3695c41b8aa908808d0179700174',
+    yellowGreen: 'e4f4acd1eca0b9e2949ed68880c97c62bb6e47aa5e3297502083440e723b036034',
+    yellowOrangeBrown: 'feeaa1fedd84fecc63feb746fca031f68921eb7215db5e0bc54c05ab3d038f3204',
+    yellowOrangeRed: 'fee087fed16ffebd59fea849fd903efc7335f9522bee3423de1b20ca0b22af0225',
 
-  var category20b = colors(
-    '393b795254a36b6ecf9c9ede6379398ca252b5cf6bcedb9c8c6d31bd9e39e7ba52e7cb94843c39ad494ad6616be7969c7b4173a55194ce6dbdde9ed6'
-  );
+    blueOrange: '134b852f78b35da2cb9dcae1d2e5eff2f0ebfce0bafbbf74e8932fc5690d994a07',
+    brownBlueGreen: '704108a0651ac79548e3c78af3e6c6eef1eac9e9e48ed1c74da79e187a72025147',
+    purpleGreen: '5b1667834792a67fb6c9aed3e6d6e8eff0efd9efd5aedda971bb75368e490e5e29',
+    purpleOrange: '4114696647968f83b7b9b4d6dadbebf3eeeafce0bafbbf74e8932fc5690d994a07',
+    redBlue: '8c0d25bf363adf745ef4ae91fbdbc9f2efeed2e5ef9dcae15da2cb2f78b3134b85',
+    redGrey: '8c0d25bf363adf745ef4ae91fcdccbfaf4f1e2e2e2c0c0c0969696646464343434',
+    yellowGreenBlue: 'eff9bddbf1b4bde5b594d5b969c5be45b4c22c9ec02182b82163aa23479c1c3185',
+    redYellowBlue: 'a50026d4322cf16e43fcac64fedd90faf8c1dcf1ecabd6e875abd04a74b4313695',
+    redYellowGreen: 'a50026d4322cf16e43fcac63fedd8df9f7aed7ee8ea4d86e64bc6122964f006837',
+    pinkYellowGreen: '8e0152c0267edd72adf0b3d6faddedf5f3efe1f2cab6de8780bb474f9125276419',
+    spectral: '9e0142d13c4bf0704afcac63fedd8dfbf8b0e0f3a1a9dda269bda94288b55e4fa2',
 
-  var category20c = colors(
-    '3182bd6baed69ecae1c6dbefe6550dfd8d3cfdae6bfdd0a231a35474c476a1d99bc7e9c0756bb19e9ac8bcbddcdadaeb636363969696bdbdbdd9d9d9'
-  );
+    viridis: '440154470e61481a6c482575472f7d443a834144873d4e8a39568c35608d31688e2d708e2a788e27818e23888e21918d1f988b1fa08822a8842ab07f35b77943bf7154c56866cc5d7ad1518fd744a5db36bcdf27d2e21be9e51afde725',
+    magma: '0000040404130b0924150e3720114b2c11603b0f704a107957157e651a80721f817f24828c29819a2e80a8327db6377ac43c75d1426fde4968e95462f1605df76f5cfa7f5efc8f65fe9f6dfeaf78febf84fece91fddea0fcedaffcfdbf',
+    inferno: '0000040403130c0826170c3b240c4f330a5f420a68500d6c5d126e6b176e781c6d86216b932667a12b62ae305cbb3755c73e4cd24644dd513ae65c30ed6925f3771af8850ffb9506fca50afcb519fac62df6d645f2e661f3f484fcffa4',
+    plasma: '0d088723069033059742039d5002a25d01a66a00a87801a88405a7900da49c179ea72198b12a90ba3488c33d80cb4779d35171da5a69e16462e76e5bed7953f2834cf68f44fa9a3dfca636fdb32ffec029fcce25f9dc24f5ea27f0f921',
 
-  var tableau10 = colors(
-    '4c78a8f58518e4575672b7b254a24beeca3bb279a2ff9da69d755dbab0ac'
-  );
+    rainbow: '6e40aa883eb1a43db3bf3cafd83fa4ee4395fe4b83ff576eff6659ff7847ff8c38f3a130e2b72fcfcc36bee044aff05b8ff4576ff65b52f6673af27828ea8d1ddfa319d0b81cbecb23abd82f96e03d82e14c6edb5a5dd0664dbf6e40aa',
+    sinebow: 'ff4040fc582af47218e78d0bd5a703bfbf00a7d5038de70b72f41858fc2a40ff402afc5818f4720be78d03d5a700bfbf03a7d50b8de71872f42a58fc4040ff582afc7218f48d0be7a703d5bf00bfd503a7e70b8df41872fc2a58ff4040',
 
-  var tableau20 = colors(
-    '4c78a89ecae9f58518ffbf7954a24b88d27ab79a20f2cf5b43989483bcb6e45756ff9d9879706ebab0acd67195fcbfd2b279a2d6a5c99e765fd8b5a5'
-  );
+    browns: 'eedbbdecca96e9b97ae4a865dc9856d18954c7784cc0673fb85536ad44339f3632',
+    tealBlues: 'bce4d89dd3d181c3cb65b3c245a2b9368fae347da0306a932c5985',
+    teals: 'bbdfdfa2d4d58ac9c975bcbb61b0af4da5a43799982b8b8c1e7f7f127273006667',
+    warmGreys: 'dcd4d0cec5c1c0b8b4b3aaa7a59c9998908c8b827f7e7673726866665c5a59504e',
 
-  var blueOrange = new Array(3).concat(
-    "67a9cff7f7f7f1a340",
-    "0571b092c5defdb863e66101",
-    "0571b092c5def7f7f7fdb863e66101",
-    "2166ac67a9cfd1e5f0fee0b6f1a340b35806",
-    "2166ac67a9cfd1e5f0f7f7f7fee0b6f1a340b35806",
-    "2166ac4393c392c5ded1e5f0fee0b6fdb863e08214b35806",
-    "2166ac4393c392c5ded1e5f0f7f7f7fee0b6fdb863e08214b35806",
-    "0530612166ac4393c392c5ded1e5f0fee0b6fdb863e08214b358067f3b08",
-    "0530612166ac4393c392c5ded1e5f0f7f7f7fee0b6fdb863e08214b358067f3b08"
-  ).map(colors);
+    goldGreen: 'f4d166d5ca60b6c35c98bb597cb25760a6564b9c533f8f4f33834a257740146c36',
+    goldOrange: 'f4d166f8be5cf8aa4cf5983bf3852aef701be2621fd65322c54923b142239e3a26',
+    goldRed: 'f4d166f6be59f9aa51fc964ef6834bee734ae56249db5247cf4244c43141b71d3e',
 
-  var discretized = {
-    blueorange:  blueOrange
+    lightGreyRed: 'efe9e6e1dad7d5cbc8c8bdb9bbaea9cd967ddc7b43e15f19df4011dc000b',
+    lightGreyTeal: 'e4eaead6dcddc8ced2b7c2c7a6b4bc64b0bf22a6c32295c11f85be1876bc',
+    lightMulti: 'e0f1f2c4e9d0b0de9fd0e181f6e072f6c053f3993ef77440ef4a3c',
+    lightOrange: 'f2e7daf7d5baf9c499fab184fa9c73f68967ef7860e8645bde515bd43d5b',
+    lightTealBlue: 'e3e9e0c0dccf9aceca7abfc859afc0389fb9328dad2f7ca0276b95255988',
+
+    darkBlue: '3232322d46681a5c930074af008cbf05a7ce25c0dd38daed50f3faffffff',
+    darkGold: '3c3c3c584b37725e348c7631ae8b2bcfa424ecc31ef9de30fff184ffffff',
+    darkGreen: '3a3a3a215748006f4d048942489e4276b340a6c63dd2d836ffeb2cffffaa',
+    darkMulti: '3737371f5287197d8c29a86995ce3fffe800ffffff',
+    darkRed: '3434347036339e3c38cc4037e75d1eec8620eeab29f0ce32ffeb2c'
   };
 
-  var schemes = {
-    // d3 categorical palettes
-    category10:  _.schemeCategory10,
-    accent:      _.schemeAccent,
-    dark2:       _.schemeDark2,
-    paired:      _.schemePaired,
-    pastel1:     _.schemePastel1,
-    pastel2:     _.schemePastel2,
-    set1:        _.schemeSet1,
-    set2:        _.schemeSet2,
-    set3:        _.schemeSet3,
-
-    // additional categorical palettes
-    category20:  category20,
-    category20b: category20b,
-    category20c: category20c,
-    tableau10:   tableau10,
-    tableau20:   tableau20,
-
-    // sequential multi-hue interpolators
-    viridis:     _.interpolateViridis,
-    magma:       _.interpolateMagma,
-    inferno:     _.interpolateInferno,
-    plasma:      _.interpolatePlasma,
-
-    // cyclic interpolators
-    rainbow:     _.interpolateRainbow,
-    sinebow:     _.interpolateSinebow,
-
-    // extended interpolators
-    blueorange:  $$1.interpolateRgbBasis(vegaUtil.peek(blueOrange))
+  const discrete = {
+    category10: '1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf',
+    category20: '1f77b4aec7e8ff7f0effbb782ca02c98df8ad62728ff98969467bdc5b0d58c564bc49c94e377c2f7b6d27f7f7fc7c7c7bcbd22dbdb8d17becf9edae5',
+    category20b: '393b795254a36b6ecf9c9ede6379398ca252b5cf6bcedb9c8c6d31bd9e39e7ba52e7cb94843c39ad494ad6616be7969c7b4173a55194ce6dbdde9ed6',
+    category20c: '3182bd6baed69ecae1c6dbefe6550dfd8d3cfdae6bfdd0a231a35474c476a1d99bc7e9c0756bb19e9ac8bcbddcdadaeb636363969696bdbdbdd9d9d9',
+    tableau10: '4c78a8f58518e4575672b7b254a24beeca3bb279a2ff9da69d755dbab0ac',
+    tableau20: '4c78a89ecae9f58518ffbf7954a24b88d27ab79a20f2cf5b43989483bcb6e45756ff9d9879706ebab0acd67195fcbfd2b279a2d6a5c99e765fd8b5a5',
+    accent: '7fc97fbeaed4fdc086ffff99386cb0f0027fbf5b17666666',
+    dark2: '1b9e77d95f027570b3e7298a66a61ee6ab02a6761d666666',
+    paired: 'a6cee31f78b4b2df8a33a02cfb9a99e31a1cfdbf6fff7f00cab2d66a3d9affff99b15928',
+    pastel1: 'fbb4aeb3cde3ccebc5decbe4fed9a6ffffcce5d8bdfddaecf2f2f2',
+    pastel2: 'b3e2cdfdcdaccbd5e8f4cae4e6f5c9fff2aef1e2cccccccc',
+    set1: 'e41a1c377eb84daf4a984ea3ff7f00ffff33a65628f781bf999999',
+    set2: '66c2a5fc8d628da0cbe78ac3a6d854ffd92fe5c494b3b3b3',
+    set3: '8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9bc80bdccebc5ffed6f'
   };
 
-  function add(name, suffix) {
-    schemes[name] = _['interpolate' + suffix];
-    discretized[name] = _['scheme' + suffix];
+  function colors(palette) {
+    var n = palette.length / 6 | 0, c = new Array(n), i = 0;
+    while (i < n) c[i] = '#' + palette.slice(i * 6, ++i * 6);
+    return c;
   }
 
-  // sequential single-hue
-  add('blues',    'Blues');
-  add('greens',   'Greens');
-  add('greys',    'Greys');
-  add('purples',  'Purples');
-  add('reds',     'Reds');
-  add('oranges',  'Oranges');
+  function apply(_, f) {
+    for (let k in _) scheme(k, f(_[k]));
+  }
 
-  // diverging
-  add('brownbluegreen',    'BrBG');
-  add('purplegreen',       'PRGn');
-  add('pinkyellowgreen',   'PiYG');
-  add('purpleorange',      'PuOr');
-  add('redblue',           'RdBu');
-  add('redgrey',           'RdGy');
-  add('redyellowblue',     'RdYlBu');
-  add('redyellowgreen',    'RdYlGn');
-  add('spectral',          'Spectral');
+  const schemes = {};
+  apply(discrete, colors);
+  apply(continuous, _ => interpolateColors(colors(_)));
 
-  // sequential multi-hue
-  add('bluegreen',         'BuGn');
-  add('bluepurple',        'BuPu');
-  add('greenblue',         'GnBu');
-  add('orangered',         'OrRd');
-  add('purplebluegreen',   'PuBuGn');
-  add('purpleblue',        'PuBu');
-  add('purplered',         'PuRd');
-  add('redpurple',         'RdPu');
-  add('yellowgreenblue',   'YlGnBu');
-  add('yellowgreen',       'YlGn');
-  add('yelloworangebrown', 'YlOrBr');
-  add('yelloworangered',   'YlOrRd');
-
   function scheme(name, scheme) {
+    name = name && name.toLowerCase();
     if (arguments.length > 1) {
       schemes[name] = scheme;
       return this;
+    } else {
+      return schemes[name];
     }
-
-    var part = name.split('-');
-    name = part[0];
-    part = +part[1] + 1;
-
-    return part && discretized.hasOwnProperty(name) ? discretized[name][part-1]
-      : !part && schemes.hasOwnProperty(name) ? schemes[name]
-      : undefined;
   }
 
-  function schemeDiscretized(name, schemeArray, interpolator) {
-    if (arguments.length > 1) {
-      discretized[name] = schemeArray;
-      schemes[name] = interpolator || $$1.interpolateRgbBasis(vegaUtil.peek(schemeArray));
-      return this;
-    }
-
-    return discretized.hasOwnProperty(name)
-      ? discretized[name]
-      : undefined;
-  }
-
   exports.scaleImplicit = $.scaleImplicit;
@@ -729,9 +703,10 @@ exports.bandSpace = bandSpace;
   exports.isDiscretizing = isDiscretizing;
-  exports.scale = scale;
   exports.interpolate = interpolate;
+  exports.interpolateColors = interpolateColors;
   exports.interpolateRange = interpolateRange;
   exports.scaleCopy = scaleCopy;
   exports.scaleFraction = scaleFraction;
+  exports.quantizeInterpolator = quantizeInterpolator;
+  exports.scale = scale;
   exports.scheme = scheme;
-  exports.schemeDiscretized = schemeDiscretized;
 
@@ -738,0 +713,0 @@ Object.defineProperty(exports, '__esModule', { value: true });

build/vega-scale.min.js

@@ -1,1 +0,1 @@
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k={millisecond:n.timeMillisecond,second:n.timeSecond,minute:n.timeMinute,hour:n.timeHour,day:n.timeDay,week:n.timeWeek,month:n.timeMonth,year:n.timeYear},x={millisecond:n.utcMillisecond,second:n.utcSecond,minute:n.utcMinute,hour:n.utcHour,day:n.utcDay,week:n.utcWeek,month:n.utcMonth,year:n.utcYear};function D(){var e,n,a=r.scaleOrdinal().unknown(void 0),i=a.domain,c=a.range,o=[0,1],l=!1,d=0,s=0,f=.5;function g(){var r=i().length,a=o[1]<o[0],g=o[a-0],b=o[1-a],p=u(r,d,s);e=(b-g)/(p||1),l&&(e=Math.floor(e)),g+=(b-g-e*(r-d))*f,n=e*(1-d),l&&(g=Math.round(g),n=Math.round(n));var m=t.range(r).map(function(n){return g+e*n});return c(a?m.reverse():m)}return delete a.unknown,a.domain=function(e){return arguments.length?(i(e),g()):i()},a.range=function(e){return arguments.length?(o=[+e[0],+e[1]],g()):o.slice()},a.rangeRound=function(e){return o=[+e[0],+e[1]],l=!0,g()},a.bandwidth=function(){return n},a.step=function(){return e},a.round=function(e){return arguments.length?(l=!!e,g()):l},a.padding=function(e){return arguments.length?(s=Math.max(0,Math.min(1,e)),d=s,g()):d},a.paddingInner=function(e){return arguments.length?(d=Math.max(0,Math.min(1,e)),g()):d},a.paddingOuter=function(e){return arguments.length?(s=Math.max(0,Math.min(1,e)),g()):s},a.align=function(e){return arguments.length?(f=Math.max(0,Math.min(1,e)),g()):f},a.invertRange=function(e){if(null!=e[0]&&null!=e[1]){var r,a,u,l=+e[0],d=+e[1],s=o[1]<o[0],f=s?c().reverse():c(),g=f.length-1;if(l==l&&d==d&&(d<l&&(u=l,l=d,d=u),!(d<f[0]||l>o[1-s])))return r=Math.max(0,t.bisectRight(f,l)-1),a=l===d?r:t.bisectRight(f,d)-1,l-f[r]>n+1e-10&&++r,s&&(u=r,r=g-a,a=g-u),r>a?void 0:i().slice(r,a+1)}},a.invert=function(e){var n=a.invertRange([e,e]);return n?n[0]:n},a.copy=function(){return D().domain(i()).range(o).round(l).paddingInner(d).paddingOuter(s).align(f)},g()}var G=Array.prototype.map;var I=Array.prototype.slice;function Y(e,n){return arguments.length>1?(L[e]=function(e,n){return function(){var t=n();return t.invertRange||(t.invertRange=t.invert?function(e){return function(n){var t,r=n[0],a=n[1];return a<r&&(t=r,r=a,a=t),[e.invert(r),e.invert(a)]}}(t):t.invertExtent?function(e){return function(n){var t,r,a,i,c=e.range(),u=n[0],o=n[1],l=-1;for(o<u&&(r=u,u=o,o=r),a=0,i=c.length;a<i;++a)c[a]>=u&&c[a]<=o&&(l<0&&(l=a),t=a);if(!(l<0))return u=e.invertExtent(c[l]),o=e.invertExtent(c[t]),[void 0===u[0]?u[1]:u[0],void 0===o[1]?o[0]:o[1]]}}(t):void 0),t.type=e,t}}(e,n),this):L.hasOwnProperty(e)?L[e]:void 0}var L={[o]:r.scaleIdentity,[l]:r.scaleLinear,[d]:r.scaleLog,[s]:r.scalePow,[f]:r.scaleSqrt,[g]:r.scaleSymlog,[b]:r.scaleTime,[p]:r.scaleUtc,[m]:r.scaleSequential,[m+"-"+l]:r.scaleSequential,[m+"-"+d]:r.scaleSequentialLog,[m+"-"+s]:r.scaleSequentialPow,[m+"-"+f]:r.scaleSequentialSqrt,[m+"-"+g]:r.scaleSequentialSymlog,[h+"-"+l]:r.scaleDiverging,[h+"-"+d]:r.scaleDivergingLog,[h+"-"+s]:r.scaleDivergingPow,[h+"-"+f]:r.scaleDivergingSqrt,[h+"-"+g]:r.scaleDivergingSymlog,[v]:r.scaleQuantile,[y]:r.scaleQuantize,[w]:r.scaleThreshold,[R]:function e(){var n=[],i=[];function c(e){return null==e||e!=e?void 0:i[(t.bisect(n,e)-1)%i.length]}return c.domain=function(e){return arguments.length?(n=function(e){return G.call(e,function(e){return+e})}(e),c):n.slice()},c.range=function(e){return arguments.length?(i=I.call(e),c):i.slice()},c.tickFormat=function(e,t){return r.tickFormat(n[0],a.peek(n),null==e?10:e,t)},c.copy=function(){return 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V(e,n){H[e]=c["interpolate"+n],U[e]=c["scheme"+n]}V("blues","Blues"),V("greens","Greens"),V("greys","Greys"),V("purples","Purples"),V("reds","Reds"),V("oranges","Oranges"),V("brownbluegreen","BrBG"),V("purplegreen","PRGn"),V("pinkyellowgreen","PiYG"),V("purpleorange","PuOr"),V("redblue","RdBu"),V("redgrey","RdGy"),V("redyellowblue","RdYlBu"),V("redyellowgreen","RdYlGn"),V("spectral","Spectral"),V("bluegreen","BuGn"),V("bluepurple","BuPu"),V("greenblue","GnBu"),V("orangered","OrRd"),V("purplebluegreen","PuBuGn"),V("purpleblue","PuBu"),V("purplered","PuRd"),V("redpurple","RdPu"),V("yellowgreenblue","YlGnBu"),V("yellowgreen","YlGn"),V("yelloworangebrown","YlOrBr"),V("yelloworangered","YlOrRd"),e.scaleImplicit=r.scaleImplicit,e.bandSpace=u,e.timeInterval=function(e,n){const t=n===p?x:k;return 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+!function(e,a){"object"==typeof exports&&"undefined"!=typeof module?a(exports,require("d3-time"),require("d3-array"),require("d3-scale"),require("vega-util"),require("d3-interpolate")):"function"==typeof define&&define.amd?define(["exports","d3-time","d3-array","d3-scale","vega-util","d3-interpolate"],a):a((e=e||self).vega={},e.d3,e.d3,e.d3,e.vega,e.d3)}(this,function(e,a,c,f,d,n){"use strict";function b(e,a,c){var f=e-a+2*c;return e?f>0?f:1:0}const t="identity",r="linear",i="log",u="pow",o="sqrt",l="symlog",s="time",g="utc",p="sequential",m="diverging",h="quantile",v="quantize",y="threshold",w="ordinal",q="point",M="band",S="bin-ordinal";function k(e){return e===S}function O(e){return e&&e.startsWith(p)}function G(e){return e&&e.startsWith(m)}var 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e().domain(b.domain()).range(b.range())},b},[w]:f.scaleOrdinal,[M]:x,[q]:function(){return function e(a){var c=a.copy;return a.padding=a.paddingOuter,delete a.paddingInner,a.copy=function(){return e(c())},a}(x().paddingInner(1))}};for(var T in L)P(T,L[T]);const C=["clamp","base","constant","exponent"];function z(e,a,c){return n.piecewise(Q(a||"rgb",c),e)}function Q(e,a){var c=n[function(e){return"interpolate"+e.toLowerCase().split("-").map(function(e){return e[0].toUpperCase()+e.slice(1)}).join("")}(e)];return null!=a&&c&&c.gamma?c.gamma(a):c}function W(e){for(var a=e.length/6|0,c=new Array(a),f=0;f<a;)c[f]="#"+e.slice(6*f,6*++f);return c}function Y(e,a){for(let c in e)E(c,a(e[c]))}const A={};function E(e,a){return 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c=a===g?R:B;return c.hasOwnProperty(e)&&c[e]},e.Identity=t,e.Linear=r,e.Log=i,e.Pow=u,e.Sqrt=o,e.Symlog=l,e.Time=s,e.UTC=g,e.Sequential=p,e.Diverging=m,e.Quantile=h,e.Quantize=v,e.Threshold=y,e.BinOrdinal=S,e.Ordinal=w,e.Band=M,e.Point=q,e.isValidScaleType=function(e){switch(e){case t:case r:case i:case u:case o:case l:case s:case g:case p:case h:case v:case y:case w:case q:case M:case S:return!0}return!1},e.isTemporal=function(e){return e===s||e===g},e.isBinned=k,e.isQuantile=function(e){return e===h},e.isSequential=O,e.isDiverging=G,e.isInterpolating=function(e){return O(e)||G(e)},e.isContinuous=function(e){switch(e){case r:case i:case u:case o:case l:case s:case g:case p:return!0}return!1},e.isLogarithmic=function(e){return e===i||e.endsWith("-log")},e.isDiscrete=function(e){return k(e)||e===w||e===M||e===q},e.isDiscretizing=function(e){return k(e)||e===h||e===v||e===y},e.interpolate=Q,e.interpolateColors=z,e.interpolateRange=function(e,a){var c=a[0],f=d.peek(a)-c;return function(a){return e(c+a*f)}},e.scaleCopy=function(e){const a=e.type,c=e.copy();return c.type=a,c},e.scaleFraction=function(e,a,c){var f,n,b,t=c-a;return t&&isFinite(t)?(f=(n=e.type).indexOf("-"),n=f<0?n:n.slice(f+1),b=P(n)().domain([a,c]).range([0,1]),C.forEach(a=>e[a]?b[a](e[a]()):0),b):d.constant(.5)},e.quantizeInterpolator=function(e,a){for(var c=new Array(a),f=a+1,d=0;d<a;)c[d]=e(++d/f);return c},e.scale=P,e.scheme=E,Object.defineProperty(e,"__esModule",{value:!0})});

index.js

@@ -35,6 +35,15 @@ export {default as bandSpace} from './src/scales/bandSpace';
 
+export {
+  interpolate,
+  interpolateColors,
+  interpolateRange,
+  scaleCopy,
+  scaleFraction,
+  quantizeInterpolator
+} from './src/interpolate';
+
 export {default as scale} from './src/scales';
-export {interpolate, interpolateRange, scaleCopy, scaleFraction} from './src/interpolate';
-export {scheme, schemeDiscretized} from './src/schemes';
 
+export {scheme} from './src/schemes';
+
 export {scaleImplicit} from 'd3-scale';

package.json

 {
   "name": "vega-scale",
-  "version": "3.0.0",
+  "version": "4.0.0",
   "description": "Scales and color schemes for visual encoding.",
@@ -17,3 +17,3 @@ "keywords": [
   "scripts": {
-    "rollup": "rollup -g d3-array:d3,d3-interpolate:d3,d3-scale:d3,d3-scale-chromatic:d3,d3-time:d3,vega-util:vega -f umd -n vega -o build/vega-scale.js -- index.js",
+    "rollup": "rollup -g d3-array:d3,d3-interpolate:d3,d3-scale:d3:d3,d3-time:d3,vega-util:vega -f umd -n vega -o build/vega-scale.js -- index.js",
     "prebuild": "rimraf build && mkdir build",
@@ -31,3 +31,2 @@ "build": "yarn rollup",
     "d3-scale": "^2.2.2",
-    "d3-scale-chromatic": "^1.3.3",
     "d3-time": "^1.0.11",
@@ -34,0 +33,0 @@ "vega-util": "^1.8.0"

README.md

@@ -55,8 +55,2 @@ # vega-scale
 
-<a name="schemeDiscretized" href="#schemeDiscretized">#</a>
-vega.<b>schemeDiscretized</b>(<i>name</i>[, <i>schemes</i>, <i>interpolator</i>])
-[<>](https://github.com/vega/vega/blob/master/packages/vega-scale/src/schemes.js "Source")
-
-Registry function for adding and accessing discretized color schemes, consisting of an array of color schemes for specific value counts. The *name* argument is a String indicating the name of the color scheme. If the *schemes* argument is not specified, this method returns the matching array of color schemes value in the registry, or `null` if not found. If the *schemes* argument is provided, it must be an array of valid color arrays, with non-null entries at indices for each supported value count. For example, the array at index 3 should be a 3-color array. The optional *interpolator* argument provides a continuous color [interpolator](https://github.com/d3/d3-scale#sequential_interpolator) to use when a specific item count is not provided or undefined. If the *interpolator* argument is not provided, an interpolator will be automatically created using basis spline interpolation in the RGB color space for the last (largest) color array in *schemes*.
-
 <a name="interpolate" href="#interpolate">#</a>
@@ -73,2 +67,8 @@ vega.<b>interpolate</b>(<i>name</i>[, <i>gamma</i>])
 
+<a name="interpolateColors" href="#interpolateColors">#</a>
+vega.<b>interpolateColors</b>(<i>colors</i>[, <i>type</i>, <i>gamma</i>])
+[<>](https://github.com/vega/vega/blob/master/packages/vega-scale/src/interpolate.js "Source")
+
+Given an array of discrete *colors*, returns an interpolator function that maps the domain [0, 1] to a continuous spectrum of colors using piecewise linear interpolation. The optional parameters *type* and *gamma* specify an interpolation type (default `"rgb"`) and gamma correction (default `1`) supported by the [interpolate](#interpolate) method.
+
 <a name="interpolateRange" href="#interpolateRange">#</a>
@@ -84,3 +84,3 @@ vega.<b>interpolateRange</b>(<i>interpolator</i>, <i>range</i>])
 number(0.5); // 5
-number(1);   // 1
+number(1);   // 10
 
@@ -94,11 +94,11 @@ var range = vega.interpolateRange(number, [0.2, 0.8]);
 <a name="timeInterval" href="#timeInterval">#</a>
-vega.<b>timeInterval</b>(<i>unit</i>)
+vega.<b>timeInterval</b>(<i>unit</i>[, <i>type</i>])
 [<>](https://github.com/vega/vega/blob/master/packages/vega-scale/src/timeInterval.js "Source")
 
-Given a string _unit_, return a corresponding [D3 time interval](https://github.com/d3/d3-time#_interval) function. Valid _unit_ strings are: `"millisecond"`, `"second"`, `"minute"`, `"hour"`, `"day"`, `"week"`, `"month"`, and `"year"`.
+Given a string _unit_, return a corresponding [D3 time interval](https://github.com/d3/d3-time#_interval) function. Valid _unit_ strings are: `"millisecond"`, `"second"`, `"minute"`, `"hour"`, `"day"`, `"week"`, `"month"`, and `"year"`. The optional _type_ indicates the time zone to use, either `"time"` (default, for local time) or `"utc"` (for [Coordinated Universal Time](https://en.wikipedia.org/wiki/Coordinated_Universal_Time)).
 
-<a name="utcInterval" href="#utcInterval">#</a>
-vega.<b>utcInterval</b>(<i>unit</i>)
-[<>](https://github.com/vega/vega/blob/master/packages/vega-scale/src/timeInterval.js "Source")
+<a name="quantizeInterpolator" href="#quantizeInterpolator">#</a>
+vega.<b>quantizeInterpolator</b>(<i>interpolator</i>, <i>count</i>])
+[<>](https://github.com/vega/vega/blob/master/packages/vega-scale/src/interpolate.js "Source")
 
-Given a string _unit_, return a corresponding UTC-variant of a [D3 time interval](https://github.com/d3/d3-time#_interval) function. Valid _unit_ strings are: `"millisecond"`, `"second"`, `"minute"`, `"hour"`, `"day"`, `"week"`, `"month"`, and `"year"`.
+Given an *interpolator* function, returns *count* evenly-spaced samples. This method is particularly useful for generating a discrete color scheme from a continuous color interpolator.

src/interpolate.js

@@ -13,2 +13,13 @@ import getScale from './scales';
 
+export function interpolateColors(colors, type, gamma) {
+  return $.piecewise(interpolate(type || 'rgb', gamma), colors);
+}
+
+export function quantizeInterpolator(interpolator, count) {
+  var samples = new Array(count),
+      n = count + 1;
+  for (var i = 0; i < count;) samples[i] = interpolator(++i / n);
+  return samples;
+}
+
 export function scaleCopy(scale) {
@@ -15,0 +26,0 @@ const t = scale.type,

src/palettes.js

@@ -1,37 +0,78 @@
-function colors(specifier) {
-  var n = specifier.length / 6 | 0, colors = new Array(n), i = 0;
-  while (i < n) colors[i] = "#" + specifier.slice(i * 6, ++i * 6);
-  return colors;
-}
+export const continuous = {
+  blues: 'cfe1f2bed8eca8cee58fc1de74b2d75ba3cf4592c63181bd206fb2125ca40a4a90',
+  greens: 'd3eecdc0e6baabdda594d3917bc77d60ba6c46ab5e329a512089430e7735036429',
+  greys: 'e2e2e2d4d4d4c4c4c4b1b1b19d9d9d8888887575756262624d4d4d3535351e1e1e',
+  oranges: 'fdd8b3fdc998fdb87bfda55efc9244f87f2cf06b18e4580bd14904b93d029f3303',
+  purples: 'e2e1efd4d4e8c4c5e0b4b3d6a3a0cc928ec3827cb97566ae684ea25c3696501f8c',
+  reds: 'fdc9b4fcb49afc9e80fc8767fa7051f6573fec3f2fdc2a25c81b1db21218970b13',
 
-export var category20 = colors(
-  '1f77b4aec7e8ff7f0effbb782ca02c98df8ad62728ff98969467bdc5b0d58c564bc49c94e377c2f7b6d27f7f7fc7c7c7bcbd22dbdb8d17becf9edae5'
-);
+  blueGreen: 'd5efedc1e8e0a7ddd18bd2be70c6a958ba9144ad77319c5d2089460e7736036429',
+  bluePurple: 'ccddecbad0e4a8c2dd9ab0d4919cc98d85be8b6db28a55a6873c99822287730f71',
+  greenBlue: 'd3eecec5e8c3b1e1bb9bd8bb82cec269c2ca51b2cd3c9fc7288abd1675b10b60a1',
+  orangeRed: 'fddcaffdcf9bfdc18afdad77fb9562f67d53ee6545e24932d32d1ebf130da70403',
+  purpleBlue: 'dbdaebc8cee4b1c3de97b7d87bacd15b9fc93a90c01e7fb70b70ab056199045281',
+  purpleBlueGreen: 'dbd8eac8cee4b0c3de93b7d872acd1549fc83892bb1c88a3097f8702736b016353',
+  purpleRed: 'dcc9e2d3b3d7ce9eccd186c0da6bb2e14da0e23189d91e6fc61159ab07498f023a',
+  redPurple: 'fccfccfcbec0faa9b8f98faff571a5ec539ddb3695c41b8aa908808d0179700174',
+  yellowGreen: 'e4f4acd1eca0b9e2949ed68880c97c62bb6e47aa5e3297502083440e723b036034',
+  yellowOrangeBrown: 'feeaa1fedd84fecc63feb746fca031f68921eb7215db5e0bc54c05ab3d038f3204',
+  yellowOrangeRed: 'fee087fed16ffebd59fea849fd903efc7335f9522bee3423de1b20ca0b22af0225',
 
-export var category20b = colors(
-  '393b795254a36b6ecf9c9ede6379398ca252b5cf6bcedb9c8c6d31bd9e39e7ba52e7cb94843c39ad494ad6616be7969c7b4173a55194ce6dbdde9ed6'
-);
+  blueOrange: '134b852f78b35da2cb9dcae1d2e5eff2f0ebfce0bafbbf74e8932fc5690d994a07',
+  brownBlueGreen: '704108a0651ac79548e3c78af3e6c6eef1eac9e9e48ed1c74da79e187a72025147',
+  purpleGreen: '5b1667834792a67fb6c9aed3e6d6e8eff0efd9efd5aedda971bb75368e490e5e29',
+  purpleOrange: '4114696647968f83b7b9b4d6dadbebf3eeeafce0bafbbf74e8932fc5690d994a07',
+  redBlue: '8c0d25bf363adf745ef4ae91fbdbc9f2efeed2e5ef9dcae15da2cb2f78b3134b85',
+  redGrey: '8c0d25bf363adf745ef4ae91fcdccbfaf4f1e2e2e2c0c0c0969696646464343434',
+  yellowGreenBlue: 'eff9bddbf1b4bde5b594d5b969c5be45b4c22c9ec02182b82163aa23479c1c3185',
+  redYellowBlue: 'a50026d4322cf16e43fcac64fedd90faf8c1dcf1ecabd6e875abd04a74b4313695',
+  redYellowGreen: 'a50026d4322cf16e43fcac63fedd8df9f7aed7ee8ea4d86e64bc6122964f006837',
+  pinkYellowGreen: '8e0152c0267edd72adf0b3d6faddedf5f3efe1f2cab6de8780bb474f9125276419',
+  spectral: '9e0142d13c4bf0704afcac63fedd8dfbf8b0e0f3a1a9dda269bda94288b55e4fa2',
 
-export var category20c = colors(
-  '3182bd6baed69ecae1c6dbefe6550dfd8d3cfdae6bfdd0a231a35474c476a1d99bc7e9c0756bb19e9ac8bcbddcdadaeb636363969696bdbdbdd9d9d9'
-);
+  viridis: '440154470e61481a6c482575472f7d443a834144873d4e8a39568c35608d31688e2d708e2a788e27818e23888e21918d1f988b1fa08822a8842ab07f35b77943bf7154c56866cc5d7ad1518fd744a5db36bcdf27d2e21be9e51afde725',
+  magma: '0000040404130b0924150e3720114b2c11603b0f704a107957157e651a80721f817f24828c29819a2e80a8327db6377ac43c75d1426fde4968e95462f1605df76f5cfa7f5efc8f65fe9f6dfeaf78febf84fece91fddea0fcedaffcfdbf',
+  inferno: '0000040403130c0826170c3b240c4f330a5f420a68500d6c5d126e6b176e781c6d86216b932667a12b62ae305cbb3755c73e4cd24644dd513ae65c30ed6925f3771af8850ffb9506fca50afcb519fac62df6d645f2e661f3f484fcffa4',
+  plasma: '0d088723069033059742039d5002a25d01a66a00a87801a88405a7900da49c179ea72198b12a90ba3488c33d80cb4779d35171da5a69e16462e76e5bed7953f2834cf68f44fa9a3dfca636fdb32ffec029fcce25f9dc24f5ea27f0f921',
 
-export var tableau10 = colors(
-  '4c78a8f58518e4575672b7b254a24beeca3bb279a2ff9da69d755dbab0ac'
-);
+  rainbow: '6e40aa883eb1a43db3bf3cafd83fa4ee4395fe4b83ff576eff6659ff7847ff8c38f3a130e2b72fcfcc36bee044aff05b8ff4576ff65b52f6673af27828ea8d1ddfa319d0b81cbecb23abd82f96e03d82e14c6edb5a5dd0664dbf6e40aa',
+  sinebow: 'ff4040fc582af47218e78d0bd5a703bfbf00a7d5038de70b72f41858fc2a40ff402afc5818f4720be78d03d5a700bfbf03a7d50b8de71872f42a58fc4040ff582afc7218f48d0be7a703d5bf00bfd503a7e70b8df41872fc2a58ff4040',
 
-export var tableau20 = colors(
-  '4c78a89ecae9f58518ffbf7954a24b88d27ab79a20f2cf5b43989483bcb6e45756ff9d9879706ebab0acd67195fcbfd2b279a2d6a5c99e765fd8b5a5'
-);
+  browns: 'eedbbdecca96e9b97ae4a865dc9856d18954c7784cc0673fb85536ad44339f3632',
+  tealBlues: 'bce4d89dd3d181c3cb65b3c245a2b9368fae347da0306a932c5985',
+  teals: 'bbdfdfa2d4d58ac9c975bcbb61b0af4da5a43799982b8b8c1e7f7f127273006667',
+  warmGreys: 'dcd4d0cec5c1c0b8b4b3aaa7a59c9998908c8b827f7e7673726866665c5a59504e',
 
-export var blueOrange = new Array(3).concat(
-  "67a9cff7f7f7f1a340",
-  "0571b092c5defdb863e66101",
-  "0571b092c5def7f7f7fdb863e66101",
-  "2166ac67a9cfd1e5f0fee0b6f1a340b35806",
-  "2166ac67a9cfd1e5f0f7f7f7fee0b6f1a340b35806",
-  "2166ac4393c392c5ded1e5f0fee0b6fdb863e08214b35806",
-  "2166ac4393c392c5ded1e5f0f7f7f7fee0b6fdb863e08214b35806",
-  "0530612166ac4393c392c5ded1e5f0fee0b6fdb863e08214b358067f3b08",
-  "0530612166ac4393c392c5ded1e5f0f7f7f7fee0b6fdb863e08214b358067f3b08"
-).map(colors);
+  goldGreen: 'f4d166d5ca60b6c35c98bb597cb25760a6564b9c533f8f4f33834a257740146c36',
+  goldOrange: 'f4d166f8be5cf8aa4cf5983bf3852aef701be2621fd65322c54923b142239e3a26',
+  goldRed: 'f4d166f6be59f9aa51fc964ef6834bee734ae56249db5247cf4244c43141b71d3e',
+
+  lightGreyRed: 'efe9e6e1dad7d5cbc8c8bdb9bbaea9cd967ddc7b43e15f19df4011dc000b',
+  lightGreyTeal: 'e4eaead6dcddc8ced2b7c2c7a6b4bc64b0bf22a6c32295c11f85be1876bc',
+  lightMulti: 'e0f1f2c4e9d0b0de9fd0e181f6e072f6c053f3993ef77440ef4a3c',
+  lightOrange: 'f2e7daf7d5baf9c499fab184fa9c73f68967ef7860e8645bde515bd43d5b',
+  lightTealBlue: 'e3e9e0c0dccf9aceca7abfc859afc0389fb9328dad2f7ca0276b95255988',
+
+  darkBlue: '3232322d46681a5c930074af008cbf05a7ce25c0dd38daed50f3faffffff',
+  darkGold: '3c3c3c584b37725e348c7631ae8b2bcfa424ecc31ef9de30fff184ffffff',
+  darkGreen: '3a3a3a215748006f4d048942489e4276b340a6c63dd2d836ffeb2cffffaa',
+  darkMulti: '3737371f5287197d8c29a86995ce3fffe800ffffff',
+  darkRed: '3434347036339e3c38cc4037e75d1eec8620eeab29f0ce32ffeb2c'
+};
+
+export const discrete = {
+  category10: '1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf',
+  category20: '1f77b4aec7e8ff7f0effbb782ca02c98df8ad62728ff98969467bdc5b0d58c564bc49c94e377c2f7b6d27f7f7fc7c7c7bcbd22dbdb8d17becf9edae5',
+  category20b: '393b795254a36b6ecf9c9ede6379398ca252b5cf6bcedb9c8c6d31bd9e39e7ba52e7cb94843c39ad494ad6616be7969c7b4173a55194ce6dbdde9ed6',
+  category20c: '3182bd6baed69ecae1c6dbefe6550dfd8d3cfdae6bfdd0a231a35474c476a1d99bc7e9c0756bb19e9ac8bcbddcdadaeb636363969696bdbdbdd9d9d9',
+  tableau10: '4c78a8f58518e4575672b7b254a24beeca3bb279a2ff9da69d755dbab0ac',
+  tableau20: '4c78a89ecae9f58518ffbf7954a24b88d27ab79a20f2cf5b43989483bcb6e45756ff9d9879706ebab0acd67195fcbfd2b279a2d6a5c99e765fd8b5a5',
+  accent: '7fc97fbeaed4fdc086ffff99386cb0f0027fbf5b17666666',
+  dark2: '1b9e77d95f027570b3e7298a66a61ee6ab02a6761d666666',
+  paired: 'a6cee31f78b4b2df8a33a02cfb9a99e31a1cfdbf6fff7f00cab2d66a3d9affff99b15928',
+  pastel1: 'fbb4aeb3cde3ccebc5decbe4fed9a6ffffcce5d8bdfddaecf2f2f2',
+  pastel2: 'b3e2cdfdcdaccbd5e8f4cae4e6f5c9fff2aef1e2cccccccc',
+  set1: 'e41a1c377eb84daf4a984ea3ff7f00ffff33a65628f781bf999999',
+  set2: '66c2a5fc8d628da0cbe78ac3a6d854ffd92fe5c494b3b3b3',
+  set3: '8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9bc80bdccebc5ffed6f'
+};

src/schemes.js

@@ -1,110 +0,26 @@
-import {
-  category20, category20b, category20c,
-  tableau10, tableau20,
-  blueOrange
-} from './palettes';
-import * as _ from 'd3-scale-chromatic';
-import {interpolateRgbBasis} from 'd3-interpolate';
-import {peek} from 'vega-util';
+import {discrete, continuous} from './palettes';
+import {interpolateColors} from './interpolate';
 
-var discretized = {
-  blueorange:  blueOrange
-};
+function colors(palette) {
+  var n = palette.length / 6 | 0, c = new Array(n), i = 0;
+  while (i < n) c[i] = '#' + palette.slice(i * 6, ++i * 6);
+  return c;
+}
 
-var schemes = {
-  // d3 categorical palettes
-  category10:  _.schemeCategory10,
-  accent:      _.schemeAccent,
-  dark2:       _.schemeDark2,
-  paired:      _.schemePaired,
-  pastel1:     _.schemePastel1,
-  pastel2:     _.schemePastel2,
-  set1:        _.schemeSet1,
-  set2:        _.schemeSet2,
-  set3:        _.schemeSet3,
-
-  // additional categorical palettes
-  category20:  category20,
-  category20b: category20b,
-  category20c: category20c,
-  tableau10:   tableau10,
-  tableau20:   tableau20,
-
-  // sequential multi-hue interpolators
-  viridis:     _.interpolateViridis,
-  magma:       _.interpolateMagma,
-  inferno:     _.interpolateInferno,
-  plasma:      _.interpolatePlasma,
-
-  // cyclic interpolators
-  rainbow:     _.interpolateRainbow,
-  sinebow:     _.interpolateSinebow,
-
-  // extended interpolators
-  blueorange:  interpolateRgbBasis(peek(blueOrange))
-};
-
-function add(name, suffix) {
-  schemes[name] = _['interpolate' + suffix];
-  discretized[name] = _['scheme' + suffix];
+function apply(_, f) {
+  for (let k in _) scheme(k, f(_[k]));
 }
 
-// sequential single-hue
-add('blues',    'Blues');
-add('greens',   'Greens');
-add('greys',    'Greys');
-add('purples',  'Purples');
-add('reds',     'Reds');
-add('oranges',  'Oranges');
+const schemes = {};
+apply(discrete, colors);
+apply(continuous, _ => interpolateColors(colors(_)));
 
-// diverging
-add('brownbluegreen',    'BrBG');
-add('purplegreen',       'PRGn');
-add('pinkyellowgreen',   'PiYG');
-add('purpleorange',      'PuOr');
-add('redblue',           'RdBu');
-add('redgrey',           'RdGy');
-add('redyellowblue',     'RdYlBu');
-add('redyellowgreen',    'RdYlGn');
-add('spectral',          'Spectral');
-
-// sequential multi-hue
-add('bluegreen',         'BuGn');
-add('bluepurple',        'BuPu');
-add('greenblue',         'GnBu');
-add('orangered',         'OrRd');
-add('purplebluegreen',   'PuBuGn');
-add('purpleblue',        'PuBu');
-add('purplered',         'PuRd');
-add('redpurple',         'RdPu');
-add('yellowgreenblue',   'YlGnBu');
-add('yellowgreen',       'YlGn');
-add('yelloworangebrown', 'YlOrBr');
-add('yelloworangered',   'YlOrRd');
-
 export function scheme(name, scheme) {
+  name = name && name.toLowerCase();
   if (arguments.length > 1) {
     schemes[name] = scheme;
     return this;
+  } else {
+    return schemes[name];
   }
-
-  var part = name.split('-');
-  name = part[0];
-  part = +part[1] + 1;
-
-  return part && discretized.hasOwnProperty(name) ? discretized[name][part-1]
-    : !part && schemes.hasOwnProperty(name) ? schemes[name]
-    : undefined;
 }
-
-export function schemeDiscretized(name, schemeArray, interpolator) {
-  if (arguments.length > 1) {
-    discretized[name] = schemeArray;
-    schemes[name] = interpolator || interpolateRgbBasis(peek(schemeArray));
-    return this;
-  }
-
-  return discretized.hasOwnProperty(name)
-    ? discretized[name]
-    : undefined;
-}

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Improved metrics

Total package byte prevSize

61772

increased by13.28%

Dependency count

5

decreased by-16.67%

Number of medium supply chain risk alerts

0

decreased by-100%

Worsened metrics

Number of package files

18

decreased by-5.26%

Lines of code

1215

decreased by-3.03%

Dependency changes

• - Removedd3-scale-chromatic@^1.3.3

• - Removedd3-scale-chromatic@1.5.0(transitive)