Code snippet to use the Tidal mini-notation into Hydra

tidal.hydra.js

/*
Example usage:

osc(
  Tidal( '<1 20> [50 100]*2' ),
  0.01,
  1.4
).out( o0 )
*/

const s = document.createElement( 'script' )
s.src = 'https://cdn.jsdelivr.net/gh/gibber-cc/tidal.pegjs/dist/pattern.js'
document.querySelector( 'head' ).appendChild( s )

window.Tidal = function( pattern ) {
  let val = null
  let phase = 0
  let evts = []
  let end = -Infinity
  
  const p = Pattern( pattern )
  
  const out = function() {
    phase += 1/120
    
    if( evts.length <= 0 && phase > end ) {
      phase = 0
    	evts = p.query( phase, 1 )
    }
    
    if( evts[0] !== undefined && phase > evts[0].arc.start.valueOf() ) {
      const evt = evts.shift()
      val = evt.value
      end = evt.arc.end.valueOf()
    }
  
    return val
  }
  
  return out
}