@dantehemerson2/notion-to-md
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2.2.2 • Public • Published

Notion to Markdown

Convert notion pages, block and list of blocks to markdown (supports nesting) using notion-sdk-js

Note: Before getting started, create an integration and find the token.

Todo

  • [x] heading
  • [x] images
  • [x] quotes
  • [x] links
  • [x] bullets
  • [x] todo
  • [x] inline code
  • [x] code block
  • [x] strikethrough, underline, bold, italic
  • [x] nested blocks
  • [ ] pages inside pages/child page
  • [x] embeds, bookmarks, videos, files (converted to links)
  • [ ] tables
  • [x] divider
  • [x] equation block (converted to code blocks)
  • [x] convert returned markdown object to string (toMarkdownString())
  • [x] typescript support
  • [ ] add tests

Install

$ npm install notion-to-md

Usage

Note: Details on methods can be found in API section

converting markdown objects to markdown string

This is how the notion page looks for this example:

Imgur

const { Client } = require("@notionhq/client");
const { NotionToMarkdown } = require("notion-to-md");
// or
// import {NotionToMarkdown} from "notion-to-md";

const notion = new Client({
  auth: "your integration token",
});

// passing notion client to the option
const n2m = new NotionToMarkdown({ notionClient: notion });

(async () => {
  const mdblocks = await n2m.pageToMarkdown("target_page_id");
  const mdString = n2m.toMarkdownString(mdblocks);

  //writing to file
  fs.writeFile("test.md", mdString, (err) => {
    console.log(err);
  });
})();

Output:

output

converting page to markdown object

Example notion page:

Imgur

const { Client } = require("@notionhq/client");
const { NotionToMarkdown } = require("notion-to-md");

const notion = new Client({
  auth: "your integration token",
});

// passing notion client to the option
const n2m = new NotionToMarkdown({ notionClient: notion });

(async () => {
  // notice second argument, totalPage.
  const x = await n2m.pageToMarkdown("target_page_id", 2);
  console.log(x);
})();

Output:

[
  {
    "parent": "# heading 1",
    "children": []
  },
  {
    "parent": "- bullet 1",
    "children": [
      {
        "parent": "- bullet 1.1",
        "children": []
      },
      {
        "parent": "- bullet 1.2",
        "children": []
      }
    ]
  },
  {
    "parent": "- bullet 2",
    "children": []
  },
  {
    "parent": "- [ ] check box 1",
    "children": [
      {
        "parent": "- [x] check box 1.2",
        "children": []
      },
      {
        "parent": "- [ ] check box 1.3",
        "children": []
      }
    ]
  },
  {
    "parent": "- [ ] checkbox 2",
    "children": []
  }
]

converting list of blocks to markdown object

same notion page as before

const { Client } = require("@notionhq/client");
const { NotionToMarkdown } = require("notion-to-md");

const notion = new Client({
  auth: "your integration token",
});

// passing notion client to the option
const n2m = new NotionToMarkdown({ notionClient: notion });

(async () => {
  // get all blocks in the page
  const { results } = await notion.blocks.children.list({
    block_id,
  });

  //convert to markdown
  const x = await n2m.blocksToMarkdown(results);
  console.log(x);
})();

Output: same as before

Converting a single block to markdown string

  • only takes a single notion block and returns corresponding markdown string
  • nesting is ignored
  • independent of @notionhq/client
const { NotionToMarkdown } = require("notion-to-md");

// notion client not required
const n2m = new NotionToMarkdown();

const result = n2m.blockToMarkdown(block);
console.log(result);

result:

![image](https://media.giphy.com/media/Ju7l5y9osyymQ/giphy.gif)

API

toMarkdownString(mdBlock[])

  • takes output of pageToMarkdown or blocksToMarkdown as argument
  • converts to markdown string.

pageToMarkdown(id,totalPage)

  • Uses blocksToMarkdown internally.
  • id(pageid) as input and converts all the blocks in the page to corresponding markdown object
  • totalPage is the retrieve block children request number i.e page_size Maximum = totalPage * 100.

totalPage

Default value is 1 which means only 100 blocks will be converted to markdown and rest will be ignored (due to notion api limitations, ref: #9).

How to use totalPage arg ?

  • if the notion page contains less than or equal 100 blocks then totalPage arg is not required.
  • if the notion page contains 150 blocks then totalPage argument should be greater than or equal to 2 leading to pageSize = 2 * 100 and rendering all 150 blocks.

blocksToMarkdown(blocks,totalPage)

Note: requires notion-sdk-js unlike blockToMarkdown

  • blocks: array of notion blocks
  • totalPage: the retrieve block children request number i.e page_size Maximum = totalPage * 100.
  • deals with nested blocks
  • uses blockToMarkdown internally.

blockToMarkdown(block)

  • Takes single notion block and converts to markdown string
  • does not deal with nested notion blocks
  • This method doesn't require the notion-sdk-js.
  • Refer docs to know more about notion blocks

Contribution

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change. Please make sure to update tests as appropriate.

License

MIT

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