Graphite/frontend/src/utility-functions/platform.ts

62 lines
2.0 KiB
TypeScript

import { isPlatformNative } from "@graphite/../wasm/pkg/graphite_wasm";
export function browserVersion(): string {
const agent = window.navigator.userAgent;
let match = agent.match(/(opera|chrome|safari|firefox|msie|trident(?=\/))\/?\s*(\d+)/i) || [];
if (/trident/i.test(match[1])) {
const browser = /\brv[ :]+(\d+)/g.exec(agent) || [];
return `IE ${browser[1] || ""}`.trim();
}
if (match[1] === "Chrome") {
let browser = agent.match(/\bEdg\/(\d+)/) || undefined;
if (browser !== undefined) return `Edge (Chromium) ${browser[1]}`;
browser = agent.match(/\bOPR\/(\d+)/) || undefined;
if (browser !== undefined) return `Opera ${browser[1]}`;
}
match = match[2] ? [match[1], match[2]] : [navigator.appName, navigator.appVersion, "-?"];
const browser = agent.match(/version\/(\d+)/i) || undefined;
if (browser !== undefined) match.splice(1, 1, browser[1]);
return `${match[0]} ${match[1]}`;
}
export type OperatingSystem = "Windows" | "Mac" | "Linux" | "Unknown";
export function operatingSystem(): OperatingSystem {
const osTable: Record<string, OperatingSystem> = {
Windows: "Windows",
Mac: "Mac",
Linux: "Linux",
Unknown: "Unknown",
};
const userAgentOS = Object.keys(osTable).find((key) => window.navigator.userAgent.includes(key));
return osTable[userAgentOS || "Unknown"];
}
export function isDesktop(): boolean {
return isPlatformNative();
}
export function isEventSupported(eventName: string) {
const onEventName = `on${eventName}`;
let tag = "div";
if (["select", "change"].includes(eventName)) tag = "select";
if (["submit", "reset"].includes(eventName)) tag = "form";
if (["error", "load", "abort"].includes(eventName)) tag = "img";
const element = document.createElement(tag);
if (onEventName in element) return true;
// Check if "return;" gets converted into a function, meaning the event is supported
element.setAttribute(eventName, "return;");
// eslint-disable-next-line @typescript-eslint/no-explicit-any
return typeof (element as Record<string, any>)[onEventName] === "function";
}