thematic-earth/gcslib/softlib/aver.js

HTML-based, whole-Earth thematic maps using locally hosted data layers

/* Copyright (c) 2023 Read Write Tools. Legal use subject to MIT License. */
import terminal from'./terminal.js';export default function aver(e,n){if(n=n||'',void 0===e)terminal.aver(`Expected boolean, but got 'undefined' (${n})\n`);else if(null===e)terminal.aver(`Expected boolean, but got 'null' (${n})\n`);else if('Boolean'!=e.constructor.name)terminal.aver(`Expected boolean, but got '${e.constructor.name}' (${n})\n`);else if(!1===e)terminal.aver(`Unable to aver (${n})\n`);else if(!0===e)return!0;return!1}