Source: getAudioContext.js

  1. /**
  2.  * Ensures that there is only one Web Audio context per page.
  3.  * Sets up a new AudioContext the first time it's called; then re-uses it.
  4.  * @private
  5.  * @returns {AudioContext} page-global Web Audio context
  6.  */
  7. var getAudioContext = (function() {
  8. 	let audioContext = null
  10. 	if (window.AudioContext !== undefined) {
  11. 		audioContext = new window.AudioContext()
  12. 	} else if (window.webkitAudioContext !== undefined) {
  13. 		/* eslint-disable new-cap */
  14. 		audioContext = new window.webkitAudioContext()
  15. 		/* eslint-enable new-cap */
  16. 	}
  18. 	function _getAudioContext() {
  19. 		return audioContext
  20. 	}
  22. 	return _getAudioContext
  23. })()