BookStack/resources/js/wysiwyg/utils/images.ts

import {ImageManager} from "../../components";
import {$createImageNode} from "../nodes/image";
import {$createLinkNode, LinkNode} from "@lexical/link";

export type EditorImageData = {
    id: string;
    url: string;
    thumbs?: {display: string};
    name: string;
};

export function showImageManager(callback: (image: EditorImageData) => any) {
    const imageManager: ImageManager = window.$components.first('image-manager') as ImageManager;
    imageManager.show((image: EditorImageData) => {
        callback(image);
    }, 'gallery');
}

export function $createLinkedImageNodeFromImageData(image: EditorImageData): LinkNode {
    const url = image.thumbs?.display || image.url;
    const linkNode = $createLinkNode(url, {target: '_blank'});
    const imageNode = $createImageNode(url, {
        alt: image.name
    });
    linkNode.append(imageNode);
    return linkNode;
}

/**
 * Upload an image file to the server
 */
export async function uploadImageFile(file: File, pageId: string): Promise<EditorImageData> {
    if (file === null || file.type.indexOf('image') !== 0) {
        throw new Error('Not an image file');
    }

    const remoteFilename = file.name || `image-${Date.now()}.png`;
    const formData = new FormData();
    formData.append('file', file, remoteFilename);
    formData.append('uploaded_to', pageId);

    const resp = await window.$http.post('/images/gallery', formData);
    return resp.data as EditorImageData;
}