### Installing @barba/prefetch with npm

Source: https://github.com/barbajs/barba/blob/main/packages/prefetch/README.md

This snippet demonstrates how to install the @barba/prefetch package using npm, saving it as a development dependency. This is a common method for adding project-specific tools.

```shell
npm install --save-dev @barba/prefetch
```

--------------------------------

### Installing @barba/core with npm (Shell)

Source: https://github.com/barbajs/barba/blob/main/packages/core/README.md

This command installs the `@barba/core` package using npm, saving it as a development dependency. It's essential for setting up Barba.js in a project.

```sh
npm install --save-dev @barba/core
```

--------------------------------

### Installing @barba/prefetch with Yarn

Source: https://github.com/barbajs/barba/blob/main/packages/prefetch/README.md

This snippet shows how to install the @barba/prefetch package using Yarn, saving it as a development dependency. Yarn is an alternative package manager to npm, offering similar functionality.

```shell
yarn add @barba/prefetch --dev
```

--------------------------------

### Installing @barba/core with Yarn (Shell)

Source: https://github.com/barbajs/barba/blob/main/packages/core/README.md

This command installs the `@barba/core` package using Yarn, adding it as a development dependency. It provides an alternative installation method to npm for Barba.js projects.

```sh
yarn add @barba/core --dev
```

--------------------------------

### Installing @barba/router with yarn

Source: https://github.com/barbajs/barba/blob/main/packages/router/README.md

This command installs the `@barba/router` package as a development dependency using yarn. It provides an alternative to npm for managing project dependencies.

```sh
yarn add @barba/router --dev
```

--------------------------------

### Installing @barba/router with npm

Source: https://github.com/barbajs/barba/blob/main/packages/router/README.md

This command installs the `@barba/router` package as a development dependency using npm. It's essential for integrating routing capabilities into a Barba.js project.

```sh
npm install --save-dev @barba/router
```

--------------------------------

### Installing @barba/css using npm

Source: https://github.com/barbajs/barba/blob/main/packages/css/README.md

This command installs the `@barba/css` package as a development dependency using npm. It adds the package to your project's `devDependencies` in `package.json`, making it available for build processes or local development.

```sh
npm install --save-dev @barba/css
```

--------------------------------

### Installing @barba/css using Yarn

Source: https://github.com/barbajs/barba/blob/main/packages/css/README.md

This command installs the `@barba/css` package as a development dependency using Yarn. It serves as an alternative to npm, adding the package to your project's `devDependencies` for development and build environments.

```sh
yarn add @barba/css --dev
```

--------------------------------

### Publishing Beta and Production Releases with Lerna

Source: https://github.com/barbajs/barba/blob/main/NOTES.md

This snippet demonstrates a sequence of commands for publishing Barba.js packages. It includes running tests, publishing a canary release tagged 'next', and then publishing a full release with GitHub release integration, optionally forcing publication for all packages.

```sh
yarn test
lerna publish --canary --preid next --dist-tag next
lerna publish --github-release --force-publish=*
lerna publish --github-release
```

--------------------------------

### Semantic Release Configuration in package.json for sassy-beam (JSON)

Source: https://github.com/barbajs/barba/blob/main/CI.md

This `package.json` snippet defines the `release` configuration for sassy-beam, specifying `npm`, `exec` (for `npm run doc`), and `git` plugins for semantic release. It configures the `git` plugin to include `docs` in the release commit and customize the commit message.

```json
"release": {
  "prepare": [
    "@semantic-release/npm",
    {
      "path": "@semantic-release/exec",
      "cmd": "npm run doc"
    },
    {
      "path": "@semantic-release/git",
      "assets": [
        "docs"
      ],
      "message": "docs(release): ${nextRelease.version} [skip ci]\n\n${nextRelease.notes}"
    }
  ]
}
```

--------------------------------

### Testing Lerna Publish with Verdaccio Local Registry

Source: https://github.com/barbajs/barba/blob/main/NOTES.md

This snippet shows how to test Lerna package publishing against a local npm registry like Verdaccio. It involves adding a user to the local registry and then publishing a canary release to that registry.

```sh
npm adduser --registry http://localhost:4873
lerna publish --registry http://localhost:4873 --canary --preid next
```

--------------------------------

### Travis CI Configuration for sassy-beam Module (Node.js)

Source: https://github.com/barbajs/barba/blob/main/CI.md

This Travis CI configuration for sassy-beam sets up Node.js versions 8, 9, and 10, caches npm dependencies, disables email notifications, and uses `semantic-release` for automated deployment after successful builds.

```yml
language: node_js
cache:
  directories:
    - ~/.npm
notifications:
  email: false
node_js:
  - '10'
  - '9'
  - '8'
after_success:
  - npm run travis-deploy-once "npm run semantic-release"
branches:
  except:
    - /^v\d+\.\d+\.\d+$/
```

--------------------------------

### Travis CI Configuration for @snitch Module (Node.js)

Source: https://github.com/barbajs/barba/blob/main/CI.md

This Travis CI configuration specifies Node.js version 8 for the @snitch module and runs `npm run coverage` after successful builds to generate code coverage reports.

```yml
language: node_js
node_js:
  - "8"
after_success: 'npm run coverage'
```

--------------------------------

### Jest Babel Configuration Syntax Error in Barba.js

Source: https://github.com/barbajs/barba/blob/main/TODO.md

This snippet displays a `SyntaxError: Unexpected identifier` encountered when Jest attempts to process JavaScript files within the `@barba/core` package. The error points to an `import` statement, indicating a problem with Babel's configuration not correctly transpiling ES module syntax for Jest's test environment, likely due to misconfigured `babel.config.js` or `.babelrc.js` files.

```JavaScript
@barba/core:     import barba from '../src';
@barba/core:            ^^^^^
@barba/core:     SyntaxError: Unexpected identifier
@barba/core:       at ScriptTransformer._transformAndBuildScript (../../node_modules/jest-runtime/build/script_transformer.js:403:17)
@barba/core: babel.config.js:root
@barba/core: .babelrc.js:core
```

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