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🔌 an Xcode extension to use nef features easily

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nef: an Xcode plugin

nef Swift UI Swift 5.3 Xcode 11+ macOS 10.15+


This project provides an extension for Xcode to integrate some nef features directly in the IDE. Using the core of

, you can export snippets from your code selection directly in Xcode.


💡 Exports a code selection to image or clipboard.

💡 Generates Markdown files from Xcode Playground.

💡 Builds a Playground Book with external dependencies defined in a Swift Package.


💻 Installation

➊ Latest binary in Releases section (preferred)

➋ Using Mac App Store

To complete the installation, you should enable

extension from
System Preferences > Extensions > Xcode Source Editor


✍️ Usage

You can find the nef plugin options in

Xcode > Editor

Editor > nef

🔧 Preferences

You can customize the output image using the preferences action

Editor > nef > Preferences

nef: preferences Xcode extension

🌁 Export code selection to image or clipboard

You can export your current code selection into a snippet, you only need to select the action

Editor > nef > Code selection...
- Image file it will create an image in the output folder. - Image clipboard it lets you take advantage of the universal clipboard.


nef: action for exporting code selection to image file nef: action for exporting code selection to clipboard

📃 Generates markdown file from Playground

Xcode Playgrounds let you write comments in markdown format using the symbols: 1.

for single line comments. 2.
/*:  */
for multiline comments.

Markup for playgrounds includes page level formatting for headings and other elements, formatting spans of characters, showing inline images, and several other features. You can read more in the Markup Formatting Reference.

You can create a markdown file from playground page with the nef action

Editor > nef > Export Playground page to markdown

📲 Create a Playground Book from your Swift package

You can create a Playground compatible with you iPad from a Swift package. You only need to open the swift package in Xcode, and select the action

Editor > nef > Playground Book from Swift Package

It will ask you where to save the Playground Book, and it will start to build it.

nef: action for making a Playground Book

This feature needs to use Swift Package Manager tool. Consequently, it will need to disable the sandbox thus it is not allowed in the App Store; but if you want to enjoy this feature, you only need to install the

you'll find in the releases section.


🔨 Xcode navigation keyboard shortcuts

To make you a more productive developer, you can associate a keyboard shortcut to each

action. Open the shortcuts menu in
Xcode > Preferences... > Key Bindings
and set your command.

nef: set keyboard shortcut

⚖️ License

Copyright (C) 2019-2020 The nef Authors

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

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.

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