rubico
Version:
[a]synchronous functional programming
8 lines (7 loc) • 2.41 kB
JavaScript
/**
* rubico v2.6.2
* https://github.com/a-synchronous/rubico
* (c) 2019-2024 Richard Tong
* rubico may be freely distributed under the MIT license.
*/
const isPromise=r=>null!=r&&"function"==typeof r.then,__=Symbol.for("placeholder"),curry2ResolveArg0=(r,e)=>function(t){return r(t,e)},curry2ResolveArg1=(r,e)=>function(t){return r(e,t)},curry2=function(r,e,t){return e==__?curry2ResolveArg0(r,t):curry2ResolveArg1(r,e)},isArray=Array.isArray,curry3ResolveArg0=(r,e,t)=>function(n){return r(n,e,t)},curry3ResolveArg1=(r,e,t)=>function(n){return r(e,n,t)},curry3ResolveArg2=(r,e,t)=>function(n){return r(e,t,n)},curry3=function(r,e,t,n){return e==__?curry3ResolveArg0(r,t,n):t==__?curry3ResolveArg1(r,e,n):curry3ResolveArg2(r,e,t)},promiseAll=Promise.all.bind(Promise),callPropUnary=(r,e,t)=>r[e](t),arrayEvery=function(r,e){const t=r.length,n=[];let o=-1;for(;++o<t;){const t=e(r[o]);if(isPromise(t))n.push(t);else if(!t)return!1}return 0==n.length||promiseAll(n).then(curry3(callPropUnary,__,"every",Boolean))},iteratorEvery=function(r,e){const t=[];for(const n of r){const r=e(n);if(isPromise(r))t.push(r);else if(!r)return!1}return 0==t.length||promiseAll(t).then(curry3(callPropUnary,__,"every",Boolean))},SelfReferencingPromise=function(r){const e=r.then((r=>[r,e]));return e},promiseRace=Promise.race.bind(Promise),asyncIteratorEvery=async function(r,e,t,n=20){let o=await r.next();for(;!o.done;){if(t.size>=n){const[r,e]=await promiseRace(t);if(t.delete(e),!r)return!1}const c=e(o.value);if(isPromise(c))t.add(SelfReferencingPromise(c));else if(!c)return!1;o=await r.next()}for(;t.size>0;){const[r,e]=await promiseRace(t);if(t.delete(e),!r)return!1}return!0},objectValues=Object.values,reducerAllSync=(r,e,t)=>!!e&&r(t),reducerEvery=r=>function(e,t){return!1!==e&&(isPromise(e)?e.then(curry3(reducerAllSync,r,__,t)):!!e&&r(t))},symbolIterator=Symbol.iterator,symbolAsyncIterator=Symbol.asyncIterator,_every=function(r,e){return isArray(r)?arrayEvery(r,e):null==r?e(r):"function"==typeof r[symbolIterator]?iteratorEvery(r[symbolIterator](),e):"function"==typeof r[symbolAsyncIterator]?asyncIteratorEvery(r[symbolAsyncIterator](),e,new Set):"function"==typeof r.reduce?r.reduce(reducerEvery(e),!0):r.constructor==Object?arrayEvery(objectValues(r),e):e(r)},every=function(r,e){return"function"==typeof r?curry2(_every,__,r):isPromise(r)?r.then(curry2(_every,__,e)):_every(r,e)};export default every;