Seriously.incompatible = function()

in seriously.js [5042:5080]

• 32 lines of code
• 14 McCabe index (conditional complexity)

	Seriously.incompatible = function (hook) {
		var canvas, gl, plugin;

		if (incompatibility === undefined) {
			canvas = document.createElement('canvas');
			if (!canvas || !canvas.getContext) {
				incompatibility = 'canvas';
			} else if (!window.WebGLRenderingContext) {
				incompatibility = 'webgl';
			} else {
				gl = getTestContext();
				if (!gl) {
					incompatibility = 'context';
				}
			}
		}

		if (incompatibility) {
			return incompatibility;
		}

		if (hook) {
			plugin = seriousEffects[hook];
			if (plugin && typeof plugin.compatible === 'function' &&
				!plugin.compatible(gl)) {

				return 'plugin-' + hook;
			}

			plugin = seriousSources[hook];
			if (plugin && typeof plugin.compatible === 'function' &&
				!plugin.compatible(gl)) {

				return 'source-' + hook;
			}
		}

		return false;
	};