validatees/dist/lib/types/isFalsy.js

✅ Validation library for ES6+ modules

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.isFalsy = void 0;
function isFalsy(value) {
    if ("undefined" === typeof value || undefined === typeof value || value === null || null === typeof value) {
        return true;
    }
    else if ("bigint" === typeof value) {
        return BigInt(Number.MAX_SAFE_INTEGER) < value || BigInt(Number.MIN_SAFE_INTEGER) > value;
    }
    else if ("number" === typeof value) {
        return (0 === value ||
            Object.is(value, -0) ||
            Number.isNaN(value) ||
            Number.MAX_SAFE_INTEGER < value ||
            Number.MIN_SAFE_INTEGER > value);
    }
    else if ("string" === typeof value) {
        return ("" === value ||
            `` === value ||
            " " === value.trim() ||
            "" === value.trim() ||
            0 >= value.length ||
            0 >= value.trim().length ||
            "0" === value.trim() ||
            "0" === value);
    }
    else if ("boolean" === typeof value) {
        return false === value;
    }
    else if ("function" === typeof value) {
        return isFalsy(value());
    }
    return false;
}
exports.isFalsy = isFalsy;
exports.default = isFalsy;