@struktoai/mirage-core/dist/core/notion/render.js

A Unified Virtual Filesystem For AI Agents

// ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========
import { asArray, asObject, stringOf as strOf } from "../../utils/records.js";
function richTextToMd(richTextList) {
    const parts = [];
    for (const item of richTextList) {
        const rt = asObject(item);
        let text = strOf(rt, 'plain_text');
        const annotations = asObject(rt.annotations);
        if (annotations.code === true)
            text = `\`${text}\``;
        if (annotations.bold === true)
            text = `**${text}**`;
        if (annotations.italic === true)
            text = `*${text}*`;
        if (annotations.strikethrough === true)
            text = `~~${text}~~`;
        const href = rt.href;
        if (typeof href === 'string' && href !== '')
            text = `[${text}](${href})`;
        parts.push(text);
    }
    return parts.join('');
}
function blockToMd(block, indent) {
    const btype = strOf(block, 'type');
    const content = asObject(block[btype]);
    const text = richTextToMd(asArray(content.rich_text));
    const prefix = '  '.repeat(indent);
    if (btype === 'paragraph')
        return `${prefix}${text}`;
    if (btype === 'heading_1' || btype === 'heading_2' || btype === 'heading_3') {
        const level = Number.parseInt(btype.slice(-1), 10);
        return `${'#'.repeat(level)} ${text}`;
    }
    if (btype === 'bulleted_list_item')
        return `${prefix}- ${text}`;
    if (btype === 'numbered_list_item')
        return `${prefix}1. ${text}`;
    if (btype === 'to_do') {
        const marker = content.checked === true ? 'x' : ' ';
        return `${prefix}- [${marker}] ${text}`;
    }
    if (btype === 'toggle')
        return `${prefix}<details><summary>${text}</summary></details>`;
    if (btype === 'code') {
        const language = strOf(content, 'language');
        return `\`\`\`${language}\n${text}\n\`\`\``;
    }
    if (btype === 'quote')
        return `${prefix}> ${text}`;
    if (btype === 'callout') {
        const icon = asObject(content.icon);
        const emoji = strOf(icon, 'type') === 'emoji' ? strOf(icon, 'emoji') : '';
        return `${prefix}> ${emoji} ${text}`;
    }
    if (btype === 'divider')
        return '---';
    if (btype === 'image') {
        const img = asObject(content[strOf(content, 'type')]);
        const url = strOf(img, 'url');
        const caption = richTextToMd(asArray(content.caption));
        return `![${caption}](${url})`;
    }
    if (btype === 'bookmark') {
        const url = strOf(content, 'url');
        const caption = richTextToMd(asArray(content.caption));
        return `[${caption || url}](${url})`;
    }
    if (btype === 'equation')
        return `$$${strOf(content, 'expression')}$$`;
    if (btype === 'table_of_contents')
        return '[TOC]';
    if (btype === 'child_page' || btype === 'child_database')
        return '';
    return text !== '' ? `${prefix}${text}` : '';
}
function walkBlock(block, indent, lines) {
    const line = blockToMd(block, indent);
    if (line !== '' || strOf(block, 'type') === 'paragraph')
        lines.push(line);
    for (const child of asArray(block.children)) {
        walkBlock(asObject(child), indent + 1, lines);
    }
}
export function blocksToMarkdown(blocks) {
    const lines = [];
    for (const block of blocks) {
        walkBlock(block, 0, lines);
    }
    return lines.length > 0 ? lines.join('\n\n') + '\n' : '';
}
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