src/Utils.ts


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import v4 = require('uuid/v4');
import v5 = require("uuid/v5");

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 } {
        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 };
    }
}