web-audio-test-api

Web Audio API for CI

Features

• ✅ change api specification
• ✅ type check assertion
• ✅ basic validation
• 👷 test audio graph
• 👷 test internal parameters
• 👷 provide best practice (strictly validation)

Installation

$ npm install web-audio-test-api@beta

API

• createAPI(config: string|object): api
  • spec:string name of specification (e.g. "safari")
  • spec:object specification object
• api.install([target: object]): api
  • target: object target object to install api - default: global
• api.uninstall([target: object]): api
  • target: object target object to uninstall api - default: global
• api.get(apiPath: string): any
  • apiPath: string path of api configuration (e. g. "/AudioNode/connect/selective")
• api.set(apiPath: string, value: any): any
  • apiPath: string path of api configuration
  • value: any value to set

Quick Example

require("web-audio-test-api").createAPI("chrome:55").install();

const audioContext = new AudioContext();
const oscillator = new OscillatorNode(audioContext, { frequency: 880 });
const gain = new GainNode(audioContext, { gain: 0.5 });

oscillator.connect(gain).connect(audioContext.destination);

require("web-audio-test-api").createAPI("safari:10").install();

const audioContext = new webkitAudioContext();
const oscillator = audioContext.createOscillator();
const gain = audioContext.createGain();

oscillator.frequency.value = 880;
oscillator.connect(gain); // safari 10 returns void, so cannot chain the next.

gain.gain.value = 0.5;
gain.connect(audioContext.destination);

Support specifications

name	released	add	remove	move	change
chrome:55	2016-12-01	-	-	-	-
chrome:56	2017-01-25	3	6	0	0
firefox:50	2016-11-15	-	-	-	-
firefox:51	2017-01-24	0	0	0	0
safari:9	2015-09-30	-	-	-	-
safari:10	2016-09-20	1	0	3	8
edge:38	2016-08-02	-	-	-	-
spec:201512	2015-12-08	13	3	20	10
spec:draft	-	29	10	5	19

License

MIT