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cryptpad/www/checkup/checkup-tools.js

37 lines
1.1 KiB
JavaScript

define([
], function () {
var Tools = {};
Tools.supportsSharedArrayBuffers = function () {
try {
return Object.prototype.toString.call(new window.WebAssembly.Memory({
shared: true,
initial: 0,
maximum: 0,
}).buffer) === '[object SharedArrayBuffer]';
} catch (err) {
console.error(err);
}
return false;
};
Tools.isSafari = function () {
return navigator.vendor.match(/apple/i);
};
Tools.isChrome = function () {
return navigator.vendor.match(/google/i);
};
Tools.guessBrowser = function () {
if (Tools.isChrome()) { return 'chrome/blink'; }
if (Tools.isSafari()) { return 'safari/webkit'; }
if (navigator.userAgent.match(/firefox\//i)) { return 'firefox/gecko'; }
if (navigator.userAgent.match(/edge\//i)) { return 'edge/edgehtml'; }
if (navigator.userAgent.match(/trident\//i)) { return 'ie/trident'; }
return navigator.userAgent + "\n" + navigator.vendor;
};
return Tools;
});