@typeforce/nan/dist/index.min.js

A constant value representing NaN

!function o(i,f,a){function c(n,r){if(!f[n]){if(!i[n]){var e="function"==typeof require&&require;if(!r&&e)return e(n,!0);if(l)return l(n,!0);var t=new Error("Cannot find module '"+n+"'");throw t.code="MODULE_NOT_FOUND",t}var u=f[n]={exports:{}};i[n][0].call(u.exports,function(r){var e=i[n][1][r];return c(e||r)},u,u.exports,o,i,f,a)}return f[n].exports}for(var l="function"==typeof require&&require,r=0;r<a.length;r++)c(a[r]);return c}({1:[function(r,e,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0});var t=r("./nan");!function(r){for(var e in r)n.hasOwnProperty(e)||(n[e]=r[e])}(r("./nan")),n.default=t.NAN},{"./nan":2}],2:[function(r,e,n){"use strict";function t(){return NaN}Object.defineProperty(n,"__esModule",{value:!0}),n.calculate=t,n.NAN=NaN},{}]},{},[1]);