features.js revision 20ca969ecc6dfab75295a9e5dc1d3c250d17d2de
var feature_tests = {};
Y.mix(Y.namespace('Features'), {
tests: feature_tests,
add: function(cat, name, o) {
feature_tests[cat] = feature_tests[cat] || {};
feature_tests[cat][name] = o;
},
all: function(cat, args) {
var cat_o = feature_tests[cat],
// results = {};
result = [];
if (cat_o) {
Y.Object.each(cat_o, function(v, k) {
result.push(k + ':' + (Y.Features.test(cat, k, args) ? 1 : 0));
});
}
return (result.length) ? result.join(';') : '';
},
test: function(cat, name, args) {
args = args || [];
var result, ua, test,
cat_o = feature_tests[cat],
feature = cat_o && cat_o[name];
if (!feature) {
Y.log('Feature test ' + cat + ', ' + name + ' not found');
} else {
result = feature.result;
if (Y.Lang.isUndefined(result)) {
ua = feature.ua;
if (ua) {
result = (Y.UA[ua]);
}
test = feature.test;
if (test && ((!ua) || result)) {
result = test.apply(Y, args);
}
feature.result = result;
}
}
return result;
}
});
// Y.Features.add("load", "1", {});
// Y.Features.test("load", "1");
// caps=1:1;2:0;3:1;