core-js/modules/es.uint8-array.to-hex.js

Standard library

'use strict';
var $ = require('../internals/export');
var globalThis = require('../internals/global-this');
var uncurryThis = require('../internals/function-uncurry-this');
var anUint8Array = require('../internals/an-uint8-array');
var notDetached = require('../internals/array-buffer-not-detached');

var numberToString = uncurryThis(1.1.toString);
var join = uncurryThis([].join);
var $Array = Array;

var Uint8Array = globalThis.Uint8Array;

var INCORRECT_BEHAVIOR_OR_DOESNT_EXISTS = !Uint8Array || !Uint8Array.prototype.toHex || !(function () {
  try {
    var target = new Uint8Array([255, 255, 255, 255, 255, 255, 255, 255]);
    return target.toHex() === 'ffffffffffffffff';
  } catch (error) {
    return false;
  }
})();

// `Uint8Array.prototype.toHex` method
// https://tc39.es/ecma262/#sec-uint8array.prototype.tohex
if (Uint8Array) $({ target: 'Uint8Array', proto: true, forced: INCORRECT_BEHAVIOR_OR_DOESNT_EXISTS }, {
  toHex: function toHex() {
    anUint8Array(this);
    notDetached(this.buffer);
    var result = $Array(this.length);
    for (var i = 0, length = this.length; i < length; i++) {
      var hex = numberToString(this[i], 16);
      result[i] = hex.length === 1 ? '0' + hex : hex;
    }
    return join(result, '');
  }
});