rubico
Version:
[a]synchronous functional programming
8 lines (7 loc) • 1.21 kB
JavaScript
/**
* rubico v2.7.3
* https://github.com/a-synchronous/rubico
* (c) 2019-2025 Richard Tong
* rubico may be freely distributed under the MIT license.
*/
const isArray=Array.isArray,isPromise=r=>null!=r&&"function"==typeof r.then,areAnyValuesPromises=function(r){if(isArray(r)){const e=r.length;let n=-1;for(;++n<e;){const e=r[n];if(isPromise(e))return!0}return!1}for(const e in r){const n=r[e];if(isPromise(n))return!0}return!1},promiseAll=Promise.all.bind(Promise),__=Symbol.for("placeholder"),curry2ResolveArg0=(r,e)=>function(n){return r(n,e)},curry2ResolveArg1=(r,e)=>function(n){return r(e,n)},curry2=function(r,e,n){return e==__?curry2ResolveArg0(r,n):curry2ResolveArg1(r,e)},curryArgs2ResolveArgs0=(r,e,n)=>function(...n){return r(n,e)},curryArgs2ResolveArgs1=(r,e,n)=>function(...n){return r(e,n)},curryArgs2=function(r,e,n){return e==__?curryArgs2ResolveArgs0(r,n):curryArgs2ResolveArgs1(r,e)},negate=r=>!r,_not=function(r,e){const n=e(...r);return isPromise(n)?n.then(negate):!n},not=function(...r){const e=r.pop();return"function"==typeof e?0==r.length?curryArgs2(_not,__,e):areAnyValuesPromises(r)?promiseAll(r).then(curry2(_not,__,e)):_not(r,e):isPromise(e)?e.then(negate):!e};export default not;