nice-ui
Version:
React design system, components, and utilities
36 lines (35 loc) • 1.16 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const loadScript = require('load-script'); // eslint-disable-line @typescript-eslint/no-var-requires
// const URL = 'https://unpkg.com/charchem@0.0.2/easychem.js';
const URL = 'https://unpkg.com/charchem@0.0.2/charchem.js';
let promise = null;
/**
* This loads CharChem library from UNPKG. This function
* is idempotent, you can call it any number of times.
*/
const loadCharChem = () => {
if (!promise) {
promise = (async () => {
await new Promise((resolve, reject) => {
loadScript(URL, (error, script) => {
if (error)
reject(error);
else
resolve(script);
});
});
await new Promise((resolve) => {
const wait = () => {
if (window.ChemSys)
resolve();
else
setTimeout(wait, 25);
};
wait();
});
})();
}
return promise;
};
exports.default = loadCharChem;