rubico/dist/tap.es.min.js

[a]synchronous functional programming

/**
 * 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,always=r=>function(){return r},thunkifyArgs=(r,n)=>function(){return r(...n)},thunkConditional=(r,n,e)=>r?n():e(),__=Symbol.for("placeholder"),curry2ResolveArg0=(r,n)=>function(e){return r(e,n)},curry2ResolveArg1=(r,n)=>function(e){return r(n,e)},curry2=function(r,n,e){return n==__?curry2ResolveArg0(r,e):curry2ResolveArg1(r,n)},curry3ResolveArg0=(r,n,e)=>function(t){return r(t,n,e)},curry3ResolveArg1=(r,n,e)=>function(t){return r(n,t,e)},curry3ResolveArg2=(r,n,e)=>function(t){return r(n,e,t)},curry3=function(r,n,e,t){return n==__?curry3ResolveArg0(r,e,t):e==__?curry3ResolveArg1(r,n,t):curry3ResolveArg2(r,n,e)},curryArgs2ResolveArgs0=(r,n,e)=>function(...e){return r(e,n)},curryArgs2ResolveArgs1=(r,n,e)=>function(...e){return r(n,e)},curryArgs2=function(r,n,e){return n==__?curryArgs2ResolveArgs0(r,e):curryArgs2ResolveArgs1(r,n)},curryArgs3ResolveArgs0=(r,n,e)=>function(...t){return r(t,n,e)},curryArgs3ResolveArgs1=(r,n,e)=>function(...t){return r(n,t,e)},curryArgs3ResolveArgs2=(r,n,e)=>function(...t){return r(n,e,t)},curryArgs3=function(r,n,e,t){return n==__?curryArgs3ResolveArgs0(r,e,t):e==__?curryArgs3ResolveArgs1(r,n,t):curryArgs3ResolveArgs2(r,n,e)},isArray=Array.isArray,areAnyValuesPromises=function(r){if(isArray(r)){const n=r.length;let e=-1;for(;++e<n;){const n=r[e];if(isPromise(n))return!0}return!1}for(const n in r){const e=r[n];if(isPromise(e))return!0}return!1},promiseAll=Promise.all.bind(Promise),_tap=function(r,n){const e=r[0],t=n(...r);return isPromise(t)?t.then(always(e)):e},tap=function(...r){const n=r.pop();return 0==r.length?curryArgs2(_tap,__,n):areAnyValuesPromises(r)?promiseAll(r).then(curry2(_tap,__,n)):_tap(r,n)},_tapIf=function(r,n,e){const t=r(...e);if(isPromise(t))return t.then(curry3(thunkConditional,__,thunkifyArgs(tap(n),e),always(e[0])));if(t){const r=n(...e);if(isPromise(r))return r.then(always(e[0]))}return e[0]};tap.if=function(...r){if(2==r.length)return curryArgs3(_tapIf,r[0],r[1],__);const n=r.length,e=r[n-1],t=r[n-2],s=r.slice(0,-2);return areAnyValuesPromises(s)?promiseAll(s).then(curry3(_tapIf,t,e,__)):_tapIf(t,e,r)};export default tap;