@mieweb/wikigdrive/esm/src/odt/MarkdownNodes.js

Google Drive to MarkDown synchronization

import { fixCharacters } from './utils.js';
import { chunksToText } from './markdownNodesUtils.js';
export class MarkdownNodes {
    constructor() {
        Object.defineProperty(this, "body", {
            enumerable: true,
            configurable: true,
            writable: true,
            value: void 0
        });
        this.body = this.createNode('BODY', {});
    }
    createNode(tag, payload = {}) {
        const node = {
            isTag: true,
            tag,
            payload,
            children: []
        };
        const oldSplice = node.children.splice;
        node.children.splice = function (start, deleteCount, ...items) {
            const retVal = oldSplice.apply(node.children, [start, deleteCount, ...items]);
            // const retVal = oldSplice(start, deleteCount, ...items);
            for (let idx = 0; idx < items.length; idx++) {
                items[idx].parent = node;
            }
            return retVal;
        };
        return node;
    }
    toString() {
        return chunksToText(this.body.children, { mode: 'md', addLiIndents: true })
            .split('\n')
            .map(line => line.trim().length > 0 ? line : '')
            .join('\n');
    }
    replace(start, end, chunk) {
        const deleteCount = end - start + 1;
        this.body.children.splice(start, deleteCount, chunk);
        for (let i = start; i < this.body.children.length; i++) {
            const chunk = this.body.children[i];
            if (chunk.isTag) {
                chunk.payload.position -= deleteCount;
            }
        }
    }
    append(parent, child) {
        parent.children.push(child);
        child.parent = parent;
    }
    appendText(parent, txt) {
        txt = fixCharacters(txt);
        parent.children.push({
            isTag: false,
            text: txt,
            parent,
            comment: 'MarkdownNodes.ts: appendText'
        });
    }
}