@codersrank/skills-chart/cjs/shared/string-to-color.js

CodersRank skills chart widget

"use strict";

exports.__esModule = true;
exports.stringToColor = stringToColor;

/* eslint-disable no-bitwise */
// key - bg color
// value - foreground color
var colorsMap = {
  '#76CA61': '#fff',
  '#24565A': '#fff',
  '#FDD835': '#000',
  '#50B0BA': '#fff',
  '#FF5858': '#fff',
  '#B0753F': '#fff',
  '#25CDEB': '#000',
  '#387EED': '#fff',
  '#ED3DC6': '#fff',
  '#512DA8': '#fff'
};

function hashCode(str) {
  var hash = 0;

  for (var i = 0; i < str.length; i += 1) {
    hash = str.charCodeAt(i) + ((hash << 5) - hash);
  }

  return hash;
}

function intToRGB(i) {
  var c = (i & 0x00ffffff).toString(16).toUpperCase();
  return '00000'.substring(0, 6 - c.length) + c;
}

function stringToColor(str, fromMap) {
  if (str === void 0) {
    str = '';
  }

  if (fromMap === void 0) {
    fromMap = true;
  }

  var hashedHexNumber = intToRGB(hashCode(str));

  if (!fromMap) {
    return ("#" + hashedHexNumber).toLowerCase();
  }

  var hashedDecNumber = parseInt(hashedHexNumber, 16);
  var colorsKeysDec = Object.keys(colorsMap).map(function (key) {
    return (// eslint-disable-next-line
      parseInt(key.replace('#', ''), 16)
    );
  }); // eslint-disable-line

  var closestColor = colorsKeysDec // eslint-disable-next-line
  .reduce(function (prev, curr) {
    return (// eslint-disable-next-line
      Math.abs(curr - hashedDecNumber) < Math.abs(prev - hashedDecNumber) ? curr : prev
    );
  }) // eslint-disable-line
  .toString(16);
  var resultPair = ["#" + closestColor, colorsMap["#" + closestColor.toUpperCase()]];
  return resultPair;
}