import iserror from "./iserror";
import { ERRORTYPES as error } from "./error";
import isfunction from "./isfunction";
import reduce from "./reduce";Copyright 2015-2021 JC Fisher
import iserror from "./iserror";
import { ERRORTYPES as error } from "./error";
import isfunction from "./isfunction";
import reduce from "./reduce";AND reduces list of truthy values into true or false value.
export default function and(...criteria) {Reduce criteria into boolean value.
return reduce(
criteria,
(acc, item) => {Once an error, always an error.
if (iserror(acc)) return acc;Once false or #error! is found always return previously value.
if (acc === 0 || acc === false) return false;find the value if a literal or deferred value.
let val = isfunction(item) ? item() : item;return #VALUE! if not true, false, 1 or 0.
if (!(val === true || val === false || val === 1 || val === 0)) {
return error.value;
}Return true when value is true or 1.
return val === true || val === 1;
},
undefined
);
}