@mieweb/wikigdrive/esm/src/SvgTransform.js

Google Drive to MarkDown synchronization

import { Transform } from 'node:stream';
import { XmlDocument } from 'xmldoc';
import { urlToFolderId } from './utils/idParsers.js';
export class SvgTransform extends Transform {
    constructor(localPath) {
        super();
        Object.defineProperty(this, "localPath", {
            enumerable: true,
            configurable: true,
            writable: true,
            value: void 0
        });
        Object.defineProperty(this, "content", {
            enumerable: true,
            configurable: true,
            writable: true,
            value: void 0
        });
        Object.defineProperty(this, "links", {
            enumerable: true,
            configurable: true,
            writable: true,
            value: new Set()
        });
        this.localPath = localPath;
        this.content = '';
    }
    _transform(chunk, encoding, callback) {
        if (encoding === 'buffer') {
            chunk = chunk.toString();
        }
        this.content += chunk;
        callback();
    }
    addLink(href) {
        if (href && !href.startsWith('#') && href.indexOf(':') > -1) {
            this.links.add(href);
        }
    }
    async _flush(callback) {
        const document = new XmlDocument(this.content);
        const urlToRelativePath = {};
        const findLinkInChild = (child) => {
            if (child.attr['xlink:href']) {
                const fileId = urlToFolderId(child.attr['xlink:href']);
                if (fileId) {
                    this.addLink('gdoc:' + fileId);
                    child.attr['xlink:href'] = 'gdoc:' + fileId;
                }
                urlToRelativePath[child.attr['xlink:href']] = null;
            }
            child.eachChild((child) => {
                findLinkInChild(child);
            });
        };
        document.eachChild((child) => {
            findLinkInChild(child);
        });
        const replaceLinkInChild = (child) => {
            if (child.attr['xlink:href']) {
                if (urlToRelativePath[child.attr['xlink:href']]) {
                    child.attr['xlink:href'] = urlToRelativePath[child.attr['xlink:href']];
                }
            }
            child.eachChild((child) => {
                replaceLinkInChild(child);
            });
        };
        document.eachChild((child) => {
            replaceLinkInChild(child);
        });
        this.push(document.toString());
        callback();
    }
}