Trilium/src/public/app/widgets/containers/scrolling_container.js

import Container from "./container.js";

export default class ScrollingContainer extends Container {
    constructor() {
        super();

        this.class("scrolling-container");
        this.css("overflow", "auto");
        this.css("scroll-behavior", "smooth");
        this.css("position", "relative");
    }

    setNoteContextEvent({ noteContext }) {
        /** @var {NoteContext} */
        this.noteContext = noteContext;
    }

    async noteSwitchedEvent({ noteContext, notePath }) {
        this.$widget.scrollTop(0);
    }

    async noteSwitchedAndActivatedEvent({ noteContext, notePath }) {
        this.noteContext = noteContext;

        this.$widget.scrollTop(0);
    }

    async activeContextChangedEvent({ noteContext }) {
        this.noteContext = noteContext;
    }

    handleEventInChildren(name, data) {
        if (name === "readOnlyTemporarilyDisabled" && this.noteContext && this.noteContext.ntxId === data.noteContext.ntxId) {
            const scrollTop = this.$widget.scrollTop();

            const promise = super.handleEventInChildren(name, data);

            // there seems to be some asynchronicity, and we need to wait a bit before scrolling
            promise.then(() => setTimeout(() => this.$widget.scrollTop(scrollTop), 500));

            return promise;
        } else {
            return super.handleEventInChildren(name, data);
        }
    }

    scrollContainerToCommand({ position }) {
        this.$widget.scrollTop(position);
    }
}