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https://github.com/xieyuheng/postmark

A framework for building markdown extensions.
https://github.com/xieyuheng/postmark

content-managment markdown markdown-extension parser

Last synced: 9 days ago
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A framework for building markdown extensions.

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README

        

# Postmark

A framework for building markdown extensions.

## Install

```bash
npm i @xieyuheng/postmark
```

## Used By

- [Sisuo App](https://sisuo.app)
- [Readonly.Link](https://readonly.link)
- [Xie Yuheng Website](https://xieyuheng.com)

## Usage

### Command Line Interface

After installed the `@xieyuheng/postmark` package, you can run `postmark help` to see help messages.

## API Docs

### `Postmark.createParser(opts: ParserOptions)`

```typescript
import Postmark from "@xieyuheng/postmark"

const parser = Postmark.createParser({
enableTable: true, // default
})
```

### `parser.parseDocument(text: string)`

```typescript
const text = `\
---
title: The principle of type theory
date: 2021-08-27
author: Xie Yuheng
---

# The principle

The principle of type theory is:

> We should study **terms** and **types** together.
`

const document = parser.parseDocument(text)

console.log(document)
```

Output:

``` javascript output
Document {
kind: 'Document',
attributes: {
title: 'The principle of type theory',
date: 2021-08-27T00:00:00.000Z,
author: 'Xie Yuheng'
},
span: Span {
start: Position { line: 1, column: 1 },
end: Position { line: 5, column: 51 }
},
children: [
Headline { ... },
Paragraph { ... },
BlockQuote { ... }
]
}
```

### `parser.use(plugin: Plugin)`

```typescript
const parser = Postmark.createParser()
.use({
kind: "CustomBlock",
customKind: "Katex",
recognize: ({ name }) => name.toLowerCase() === "katex",
})
.use({
kind: "CustomItem",
customKind: "Dialog",
recognize: (item) =>
item.start.some((tag) => tag.name.toLowerCase() === "dialog"),
build: (item, { previousCustomItems }) =>
Dialog.build(item, { previousCustomItems }),
})
```

### `node.format()` & `node.render()`

The `node.format` & `node.render` methods, help user to avoid handle `Node` recursively.

- `node.format()` -- format `node` back to markdown itself.
- `node.render()` -- render `node` to html.

## Development

```
npm install // Install dependencies
npm run build // Compile `src/` to `lib/`
npm run watch // Watch the compilation
npm run test // Run test
```

## Contributions

> Be polite, do not bring negative emotion to others.

- [TODO.md](TODO.md)
- [STYLE-GUIDE.md](STYLE-GUIDE.md)
- [CODE-OF-CONDUCT.md](CODE-OF-CONDUCT.md)
- When contributing, add yourself to [AUTHORS](AUTHORS)

## License

- [GPLv3](LICENSE)