@chayns/colors/cjs/generator/lightenDarken.js

JavaScript utility functions for the calculation of colors for chayns

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.lightenHslColor = lightenHslColor;
exports.darkenHslColor = darkenHslColor;
exports.lightenRgb255Color = lightenRgb255Color;
exports.darkenRgb255Color = darkenRgb255Color;
exports.lightenHexColor = lightenHexColor;
exports.darkenHexColor = darkenHexColor;
exports.lightenHsvColor = lightenHsvColor;
exports.darkenHsvColor = darkenHsvColor;

var _converter = require("../converter");

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) { symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); } keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

function lightenHslColor(hsl, percent) {
  var color = _objectSpread({}, hsl);

  color.l += percent / 100;

  if (color.l > 1) {
    color.l = 1;
  } else if (color.l < 0) {
    color.l = 0;
  }

  return color;
}

function darkenHslColor(color, percent) {
  return lightenHslColor(color, percent * -1);
}

function lightenRgb255Color(color, percent) {
  var hsl = (0, _converter.rgb255ToHsl)(color);

  if (!hsl) {
    return null;
  }

  return (0, _converter.hslToRgb255)(lightenHslColor(hsl, percent));
}

function darkenRgb255Color(color, percent) {
  var hsl = (0, _converter.rgb255ToHsl)(color);

  if (!hsl) {
    return null;
  }

  return (0, _converter.hslToRgb255)(darkenHslColor(hsl, percent));
}

function lightenHexColor(color, percent) {
  var hsl = (0, _converter.hexToHsl)(color);

  if (!hsl) {
    return null;
  }

  return (0, _converter.hslToHex)(lightenHslColor(hsl, percent));
}

function darkenHexColor(color, percent) {
  var hsl = (0, _converter.hexToHsl)(color);

  if (!hsl) {
    return null;
  }

  return (0, _converter.hslToHex)(darkenHslColor(hsl, percent));
}

function lightenHsvColor(color, percent) {
  var hsl = (0, _converter.hsvToHsl)(color);

  if (!hsl) {
    return null;
  }

  return (0, _converter.hslToHsv)(lightenHslColor(hsl, percent));
}

function darkenHsvColor(color, percent) {
  var hsl = (0, _converter.hsvToHsl)(color);

  if (!hsl) {
    return null;
  }

  return (0, _converter.hslToHsv)(darkenHslColor(hsl, percent));
}
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