@babel/plugin-proposal-partial-application

functionadd(x, y){return x + y;}

const addOne =add(1,?);// apply from the left
addOne(2);// 3

const addTen =add(?,10);// apply from the right
addTen(2);// 12

let newScore = player.score
|>add(7,?)
|>clamp(0,100,?);// shallow stack, the pipe to `clamp` is the same frame as the pipe to `add`.

f(x,?)// partial application from left
f(?, x)// partial application from right
f(?, x,?)// partial application for any arg
o.f(x,?)// partial application from left
o.f(?, x)// partial application from right
o.f(?, x,?)// partial application for any arg
super.f(?)// partial application allowed for call on |SuperProperty|

f(x +?)// `?` not in top-level Arguments of call
x +?// `?` not in top-level Arguments of call
?.f()// `?` not in top-level Arguments of call
newf(?)// `?` not supported in `new`
super(?)// `?` not supported in |SuperCall|

{
"plugins":["@babel/plugin-proposal-partial-application"]
}

babel --plugins @babel/plugin-proposal-partial-application script.js

require("@babel/core").transformSync("code",{
plugins:["@babel/plugin-proposal-partial-application"],
});