Function ifRightExpr

docs/app/js/sanddance-app.js:148835–148835

($orient, a, b)

const ifLeftTopExpr = ($orient, a, b)=>ifExpr(`${$orient} === '${Left}' || ${$orient} === '${Top}'`, a, b);
const ifTopExpr = ($orient, a, b)=>ifExpr(`${$orient} === '${Top}'`, a, b);
const ifRightExpr = ($orient, a, b)=>ifExpr(`${$orient} === '${Right}'`, a, b);
const ifEnc = (test, a, b)=>{
    // ensure inputs are encoder objects (or null)
    a = a != null ? encoder(a) : a;