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Alex Rupérez

Link: http://j.mp/2TCxEzJ
Published: 07 Mar 14:13
I starred eneko/MarkdownGenerator at GitHub.
Swift library to programmatically generate Markdown output and files
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MarkdownGenerator

Release Swift 4.0+ Build Status codecov Swift Package Manager Compatible Linux Compatible

A small Swift library to generate Markdown documents.

Features

  • Easily generate Markdown from structured data
  • Extendible: make your classes and structs conform to MarkdownConvertible
  • Swift Package Manager compatible
  • Linux compatible 🐧

MarkdownConvertible

Types conforming to the MarkdownConvertible protocol can be rendered as a markdown string, by implementing the .markdown computed property.

Out of the box, MarkdownGenerator provides the following Markdown elements:

  • Unordered lists
  • Ordered lists
  • Tables
  • Block-quotes
  • Code Blocks
  • Collapsible Blocks
  • Images
  • Links
  • Headings

Please take a look at the following examples, or read the reference documentation.

Lists

List can be nested to any levels and contain single or multi-line items. Lists can be ordered, unordered, or mixed.

let list = MarkdownList(items: ["🍏", "🍌", "🍊", "🍇"])
print(list.markdown)

Generates the following output:

-   🍏
-   🍌
-   🍊
-   🍇

Which renders as:

  • 🍏
  • 🍌
  • 🍊
  • 🍇

Tables

While Markdown didn't have support for tables originally, most modern Markdown readers (including GitHub) properly render tables nowadays.

let data: [[String]] = [
    ["🍏", "Apple", "Fruits"],
    ["🍊", "Orange", "Fruits"],
    ["🥖", "Bread", "Bakery"],
]
let table = MarkdownTable(headers: ["", "Name", "Department"], data: data)
print(table.markdown)

Generates the following output:

|    | Name   | Department |
| -- | ------ | ---------- |
| 🍏 | Apple  | Fruits     |
| 🍊 | Orange | Fruits     |
| 🥖 | Bread  | Bakery     |

Which renders as:

Name Department
🍏 Apple Fruits
🍊 Orange Fruits
🥖 Bread Bakery

Pretty tables 🎉

Blockquotes

Any MarkdownConvertible content (including String) can be easily .blockquoted.

let input = """
## This is a header.

1.   This is the first list item.
2.   This is the second list item.

Here's some example code:

    return shell_exec("echo $input | $markdown_script");

> This is a quote.
"""

print(input.blockquoted.markdown)

Generates the following output:

> ## This is a header.
>
> 1.   This is the first list item.
> 2.   This is the second list item.
>
> Here's some example code:
>
>     return shell_exec("echo $input | $markdown_script");
>
> > This is a quote.

Which renders as:

This is a header.

  1. This is the first list item.
  2. This is the second list item.

Here's some example code:

return shell_exec("echo $input | $markdown_script");

This is a quote.

Collapsible Blocks

Collapsible blocks look great on GitHub and other Markdown viewers. Great way to provide detailed content without cluttering the output.

let details: [MarkdownConvertible] = [
    MarkdownHeader(title: "Title"),
    MarkdownList(items: ["🐶", "🐱", "🦊"]),
    MarkdownTable(headers: ["Name", "Count"], data: [["Dog", "1"], ["Cat", "2"]]),
    MarkdownCodeBlock(code: "let foo = Bar()", style: .backticks(language: "swift"))
]

print(MarkdownCollapsibleSection(summary: "This is cool stuff", details: details).markdown)

Generates the following output:

<details><summary>This is cool stuff</summary>

# Title

-   🐶
-   🐱
-   🦊

| Name | Count |
| ---- | ----- |
| Dog  | 1     |
| Cat  | 2     |

```swift
let foo = Bar()
```
</details>

Which renders as (click to expand):

This is cool stuff

Title

  • 🐶
  • 🐱
  • 🦊
Name Count
Dog 1
Cat 2
let foo = Bar()

Contact

Follow and/or contact me on Twitter at @eneko.

Contributions

If you find an issue, just open a ticket on it. Pull requests are warmly welcome as well.

License

MarkdownGenerator is licensed under the Apache 2.0 license. See LICENSE for more info.