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sidebar_label:Building a Tutorial
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---
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A tutorial is made from a GitHub repository that includes three parts:
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##Requirements
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1. Markdown
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2. YAML
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3. Git Commits
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To create a tutorial in CodeRoad, there are a few requirements.
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The Markdown and YAML live on the master branch of the repo, and the Git commits live on a version branch.
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1. An understanding of how to write software tests in your target language (JavaScript, Python, etc).
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2. A familiarity with Git.
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We'll go into each parts in more detail.
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##Disclaimer
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Before we start, note that if any of these processes are workarounds to accomplish two necessary goals:
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1. an intermediary working product without a full featured build tool.
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2. zero server costs so that CodeRoad can scale and remain free.
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If this project becomes popular, I'll develop an all encompassing build tool.
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If you're interesting in creating a tutorial, reach out at`coderoadapp@gmail.com` and I'll be happy to help!
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##Tutorial Elements
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At its core, a CodeRoad tutorial is a JSON file. See an[example tutorial.json file](https://raw.githubusercontent.com/coderoad/fcc-learn-npm/master/tutorial.json).
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The tutorial JSON file is produced out of several resources:
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1. Text (Markdown)
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2. Config (YAML)
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3. Git Commits on specific branches
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CodeRoad uses a[build CLI](https://github.com/coderoad/coderoad-cli) to validate and combine the three core parts.
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Let's go through each briefly.
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###1. Text
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Markdown is used for formatting, editing and visualizing text the user will see in CodeRoad. If you're unfamiliar with Markdown, checkout[the mastering markdown guide](https://guides.github.com/features/mastering-markdown/).
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See an example`TUTORIAL.md` file:
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```md
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# Tutorial Title
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> Tutorial summary introduction
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## 1. Title of Lesson 1
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> Lesson 1 summary
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Lesson 1 decription and content.
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### 1.1
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A description of what to do for the first task
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#### HINTS
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- This is a hint for task 1.1
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- This is another hint for task 1.1
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```
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The markdown will be parsed by the build tool to transform this text into the tutorial.json. Note that there is a specific format for the content that you can probably understand from the content.
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Note that:
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1. Lessons need to start with`## $X.` where`$X` is the lesson number. The text afterwards will display as the lesson title.
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2. Tasks need to start with`### $X.$Y`, where`$X` is the lesson number and`$Y` is the task number.
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These complications are to make it easy for the build tool to match up levels and tasks.
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###2. Config
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To keep configurations clean, the config lives in a`coderoad.yaml` file. If you're unfamiliar with yaml, checkout[a beginners guide to YAML](https://circleci.com/blog/what-is-yaml-a-beginner-s-guide).
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The config file describes hooks/actions to run when a lesson starts, a level starts or a task starts.
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Add the following to your`coderoad.yaml` file.
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```yaml
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version:'0.1.0'
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config:
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testRunner:
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command:./node_modules/.bin/mocha
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args:
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filter:--grep
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tap:--reporter=mocha-tap-reporter
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directory:.coderoad
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repo:
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uri:https://github.com/username/repo
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branch:v0.1.0
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dependencies:
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-name:node
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version:'>=10'
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setup:
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commands:
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-cd .coderoad && npm install
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levels:
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-id:'1'
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steps:
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-id:'1.1'
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```
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We'll look more into config later, but for now just understand that its setting up a particular test runner (Mocha.js) in the`.coderoad` directory of the project. The code will run a specified repo and branch, and the environment it runs on should at least have Node version 10 or later.
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Also note that the level & step IDs need to match up with the IDs in the `TUTORIAL.md` file.
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### 3. Branches
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CodeRoad uses GitHub like a server. Configuration code is kept on the master branch, and code is kept on versioned branches.
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```text
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~master
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- TUTORIAL.md
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- coderoad.yaml
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- tutorial.json
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- .gitignore
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~v0.1.0
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...code
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~v0.2.0
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...code
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```
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We keep versions on branches to avoid breaking changes. A user who started a tutorial earlier may still be continuing earlier progress.
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### 4. Code
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The first commit for a tutorial should setup the test runner, otherwise nothing will work.
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CodeRoad has certain rules for commit names. These names are used by the build script for pulling in commit hashes for the tutorial.json.
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See [an example code branch](https://github.com/coderoad/fcc-learn-npm/commits/v0.4.1), and note how each commit name is formatted in a specific way.
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1. INIT
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-basic project setup code
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-add test runner dependencies
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-.vscode workspace configurations
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2. 1.1
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-add tests
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-add testing dependencies
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-add scaffolding code (if needed)
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3. 1.1S
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-the code required to make the tests pass
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If you run into an issue and need to rename a commit, read [how to change a commit message](https://docs.github.com/en/github/committing-changes-to-your-project/changing-a-commit-message).
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What makes CodeRoad work is the tests and solutions.
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### 5. Build CLI
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When a tutorial is ready for testing, you can run the [coderoad-cli](https://github.com/coderoad/coderoad-cli) to put everything together.
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Run `coderoad build` to produce the `tutorial.json` file, then load that file into your CodeRoad extension. There is an option to load from files on the select tutorial page.
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### Conclusion
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For more, see [create a practice tutorial](/docs/create-a-practice-tutorial)
To make a functional tutorial, tutorial creators need a bit more control over what can be run and when. For example, a test runner wouldn't really work if the package dependencies for that test runner weren't installed.
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An action is a piece of functionality that can be run. These include:
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-`commands` - a list of cli commands to run. For example, "npm install"
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-`vscodeCommands` - a list of vscode API commands to run. For example, "setLayout" to change the layout of windows
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-`watchers` - a list of files to listen to. If a file changes, the test runner will run automatically
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-`files` - a list of files to open in the users workspace to drive the users attention.
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-`subtasks` - a task made up of multiple other tests where all must pass to continue
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-`filter` - a regex passed into the test runner to limit the tests returned
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A hook in CodeRoad is a place where a tutorial creator can tap in to run an action. Hooks include:
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-`config.setup` - when the tutorial setup. This is a great place to setup your test runner.
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-`task.setup` - when a task is started
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-`task.solution` - when a solution is loaded from a reset
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Hooks and actions combine to provide a flexible environment for tutorial development.
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To make a functional tutorial, tutorial creators need a bit more control over what can be run and when. For example, a test runner wouldn't really work if the package dependencies for that test runner weren't installed.
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An**action** is a piece of functionality that can be run. These include:
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-`commands` - a list of cli commands to run. For example, "npm install"
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-`vscodeCommands` - a list of vscode API commands to run. For example, "setLayout" to change the layout of windows
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-`watchers` - a list of files to listen to. If a file changes, the test runner will run automatically
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-`files` - a list of files to open in the users workspace to drive the users attention.
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-`subtasks` - a task made up of multiple other tests where all must pass to continue
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-`filter` - a regex passed into the test runner to limit the tests returned
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An**action** is a piece of functionality that can be run, such a CLI command, or tapping into the VSCode API.
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A**hook** in CodeRoad is a place where a tutorial creator can tap in to run an action. Hooks include:
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-`config.setup` -when the tutorialsetup. This is a great place to setup your test runner.
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-`task.setup` -when a task is started
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-`task.solution` -when a solution is loaded from a[reset](#reset)
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- when the tutorialstarts. This is a great place to setup your test runner.
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- when a task is started
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- when a solution is loaded from a[reset](#reset)
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Hooks and actionscombined provide a flexible environment for tutorial development.
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Hooks and actionscombine to provide a flexible environment for tutorial development.