@chayns/colors/cjs/converter/hex/normalizeHexString.js

JavaScript utility functions for the calculation of colors for chayns

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = normalizeHexString;

var _constants = require("../../utils/constants");

var _is = require("../../utils/is");

function normalizeHexString(hex) {
  if (!(0, _is.isString)(hex)) {
    return null;
  }

  var matches = hex.match(_constants.HEX_REGEX);

  if (matches) {
    return "#".concat(matches[1]);
  }

  matches = hex.match(_constants.SHORT_HEX_REGEX);

  if (matches) {
    return "#".concat(matches[1]).concat(matches[1]);
  }

  if (hex === 'gray') {
    return '#808080';
  }

  return null;
}
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