Notes/src/public/app/widgets/buttons/launcher/script_launcher.js

import AbstractLauncher from "./abstract_launcher.js";

export default class ScriptLauncher extends AbstractLauncher {
    constructor(launcherNote) {
        super(launcherNote);

        this.title(() => this.launcherNote.title)
            .icon(() => this.launcherNote.getIcon())
            .onClick(() => this.launch());
    }

    async launch() {
        if (this.launcherNote.hasLabel('scriptInLauncherContent')) {
            await this.launcherNote.executeScript();
        } else {
            const script = await this.launcherNote.getRelationTarget('script');

            await script.executeScript();
        }
    }
}