52 lines
832 B
JavaScript
52 lines
832 B
JavaScript
let support;
|
|
|
|
function getMobile() {
|
|
if (navigator.userAgent.indexOf('Mobile') > -1) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function calcSupport() {
|
|
return {
|
|
smoothScroll: true,
|
|
// #ifdef H5
|
|
touch: getMobile(),
|
|
// #endif
|
|
// #ifndef H5
|
|
touch: true,
|
|
// #endif
|
|
passiveListener: function checkPassiveListener() {
|
|
let supportsPassive = false;
|
|
|
|
try {
|
|
const opts = Object.defineProperty({}, 'passive', {
|
|
// eslint-disable-next-line
|
|
get() {
|
|
supportsPassive = true;
|
|
}
|
|
|
|
});
|
|
} catch (e) { // No support
|
|
}
|
|
|
|
return supportsPassive;
|
|
}(),
|
|
gestures: function checkGestures() {
|
|
return false;
|
|
}()
|
|
};
|
|
}
|
|
|
|
function getSupport() {
|
|
if (!support) {
|
|
support = calcSupport();
|
|
}
|
|
return support;
|
|
}
|
|
|
|
export {
|
|
getSupport
|
|
};
|