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import v4 = require('uuid/v4');
import v5 = require("uuid/v5");
import { Socket } from 'socket.io';
import { Message, Types } from './server/Message';
export class Utils {
public static GenerateGuid(): string {
return v4()
}
public static GenerateDeterministicGuid(seed: string): string {
return v5(seed, v5.URL)
}
public static GetScreenTransform(ele: HTMLElement): { scale: number, translateX: number, translateY: number } {
if (!ele) {
return { scale: 1, translateX: 1, translateY: 1 }
}
const rect = ele.getBoundingClientRect();
const scale = ele.offsetWidth == 0 && rect.width == 0 ? 1 : rect.width / ele.offsetWidth;
const translateX = rect.left;
const translateY = rect.top;
return { scale, translateX, translateY };
}
public static CopyText(text: string) {
var textArea = document.createElement("textarea");
textArea.value = text;
document.body.appendChild(textArea);
textArea.focus();
textArea.select();
try { document.execCommand('copy'); } catch (err) { }
document.body.removeChild(textArea);
}
public static Emit<T>(socket: Socket | SocketIOClient.Socket, message: Message<T>, args: T) {
socket.emit(message.Message, args);
}
public static EmitCallback<T>(socket: Socket | SocketIOClient.Socket, message: Message<T>, args: T, fn: (args: any) => any) {
socket.emit(message.Message, args, fn);
}
public static AddServerHandler<T>(socket: Socket, message: Message<T>, handler: (args: T) => any) {
socket.on(message.Message, handler);
}
public static AddServerHandlerCallback<T>(socket: Socket, message: Message<T>, handler: (args: [T, (res: any) => any]) => any) {
socket.on(message.Message, (arg: T, fn: (res: any) => any) => handler([arg, fn]));
}
}
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