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MongoDB Documentation Front-End

Uses Gatsby to build static site.

Installation

Snooty uses artifactory that will need authentication to install some private npm packages. Update your local zsh variables in $~/.zshrc (in Windows %USERPROFILE%/.zshrc) to include the following

export NPM_BASE_64_AUTH=<BASE_64_API_KEY>
export NPM_EMAIL=<[email protected]>

Then, to install the package dependencies:

npm install --legacy-peer-deps

.env file setup

You'll need to set some environment variables in two separate files at the root of this directory for separate production/development environments. These variables let Snooty know where to look for your AST zip files, within DOP team's database. (You can also use local AST files.)

.env.development

Snooty's develop stage uses the development environment. Your .env.development file should be as follows:

GATSBY_SITE=<SITE>
GATSBY_PARSER_USER=<USER>
GATSBY_PARSER_BRANCH=<BRANCH>
GATSBY_SNOOTY_DEV=true

The GATSBY_SNOOTY_DEV variable is what allows Gatsby to know that it should use the snooty branch name as part of the file paths. When not set, the file paths will use the value of GATSBY_PARSER_BRANCH. See pathing here

It should be set to true when working on snooty locally.

.env.production

Snooty's build and serve stages use the production environment. Your .env.production file should be as follows:

GATSBY_SITE=<SITE>
GATSBY_PARSER_USER=<USER>
GATSBY_PARSER_BRANCH=<BRANCH>
GATSBY_SNOOTY_DEV=true

Running locally

npm run develop

To build and serve the site, run the following commands: The serve command generates the site at a prefix ie. localhost:9000/<branch>/<docs-name>/<user>/<branch-name>/

$ npm run build
$ npm run serve

To debug server side:

node --nolazy node_modules/.bin/gatsby develop --inspect-brk

and connect a node debugger (ie. chrome developer tools)

Running with local manifest path

Alternative to working with remote AST files, you can have a local zip file to build the site. This removes the need for previously mentioned env variables required for remote lookup GATSBY_SITE GATSBY_PARSER_USER and GATSBY_PARSER_BRANCH. Local zip file is an output of the parser

.env.development and .env.production:

GATSBY_MANIFEST_PATH=/path/to/zipped/ast/file.zip
GATSBY_SNOOTY_DEV=true

Staging

Install libxml2 with brew install libxml2 on mac and apt-get install libxml2 on linux

Install mut and ensure that you have properly configured your Giza/AWS keys as defined here. Then, from root, run:

npm run build:clean:stage

⚠️ Note: This will promote the contents of your local public directory. Your instance in staging may break or be outdated if you haven't run npm run build before make stage.

Staging with Netlify

When a commit is pushed, this automatically triggers a Netlify build on your branch. For every push, a deploy and deploy preview will be generated.

By default, the master branch of docs-landing will be parsed with the parser version specified in the Netlify.toml and built using your branch as the frontend. If you'd like to build a different site or branch or build with a different parser version, this can be easily done by just updating the values in the Netlify.toml accordingly. Don't forget to update the ORG_NAME to mongodb or 10gen depending on which org your repo belongs to!

Releasing

We have configured an automatic release process using GitHub Actions that is triggered by npm-version. To release a version, you must have admin privileges in this repo.

⚠️ This process cannot be completed if the releaser's origin points to a fork.

⚠️ Please do not create new git tags directly through the GH UI or CLI. Doing so may result in a merge conflict or git tag error when performing the following instructions.

Then proceed as follows:

  1. On the main branch, run git pull followed by npm ci.
  2. Run npm version [major | minor | patch], using Semantic Versioning guidelines to correctly increment the version number. Keep the minor version consistent with snooty-parser versioning. GitHub Actions will create a new git tag and push it to GitHub.
  3. Update the release draft found here using the automatically generated CHANGELOG.md and publish the release. Keep "pre-release" checked until version 1.0.0.

Testing

Tests can be run using:

npm test  # alias for npm run test

Unit tests

Unit tests are located in the tests/unit/ directory. To run only unit tests, use:

npm run test:unit

Running individual suites

Jest includes configurations for running individual test suites:

npm test -- my-test   # or
npm test -- path/to/my-test.js

For more information, see the Jest CLI Options documentation, or run npm test -- --help.

Updating test snapshots

Snapshots may require updates when making changes to snooty components

npm test -- -u

Linting & Style

We use ESLint and Prettier to help with linting and style.

Lint

Our CI (via GitHub Actions) is configured to test for lint errors. To run this test locally and attempt to automatically fix errors:

npm run lint:fix

These errors must be fixed for the CI build to pass.

Style

To format code using Prettier, run the following command:

npm run format:fix

We have set up a precommit hook that will format staged files. Prettier also offers a variety of editor integrations to automatically format your code.

Component Factory Filter

The component factory filter process uses SWC to remove unused components from the ComponentFactory.js file. A custom plugin is used to perform this transformation, and it lives in the component-factory-transformer directory. This plugin is run when the npm run build command is executed.

To use the custom plugin, you'll first need to install Rust.

Once Rust is installed, you'll need to build the plugin. Change directory to component-factory-transformer, run cargo build && rustup target add wasm32-wasi if you haven't, and then run npm run prepublishOnly.

The USE_FILTER_BRANCH environment variable needs to be added in the .env.production file and set to true for this to work.

NOTE: This will modify the ComponentFactory.js file directly. To undo this, you can run git restore src/components/ComponentFactory.js to get the file back to its original state.

To perform a dry run i.e. the ComponentFactory.js file does not get updated, the FILTER_DRY_RUN property can be provided and set to true. This will log the resulting code that would have been written to the file only.

Useful Resources

React Gatsby Emotion mongodb/Realm LeafyGreen UI