genish.js/js/asin.js

gen~ in js

'use strict'

let gen  = require('./gen.js')

let proto = {
  basename:'asin',

  gen() {
    let out,
        inputs = gen.getInputs( this )
    
    const isWorklet = gen.mode === 'worklet'
    const ref = isWorklet ? '' : 'gen.'

    if( isNaN( inputs[0] ) ) {
      gen.closures.add({ 'asin': isWorklet ? 'Math.sin' : Math.asin })

      out = `${ref}asin( ${inputs[0]} )` 

    } else {
      out = Math.asin( parseFloat( inputs[0] ) )
    }
    
    return out
  }
}

module.exports = x => {
  let asin = Object.create( proto )

  asin.inputs = [ x ]
  asin.id = gen.getUID()
  asin.name = `${asin.basename}{asin.id}`

  return asin
}