book_path: /_book.yaml
project_path: /_project.yaml

title: Extending Bazel
landing_page:
  header:
    hide_lower_section: true
  custom_css_path: /bazel.css

  rows:
  # Hero Row
  - options:
    - description-50
    - hero
    - large-headings
    - no-image-background
    classname: bazel-hero bazel-hero-full-bleed-light
    items:
    - classname: bazel-hero
      image_path: /images/extend.svg
      heading: >
        Extending Bazel
      description: >
        Maximize Bazel's power through advanced concepts and extensions.

  # Jumpdown Row
  - options:
    - centered-header
    - large-headings
    - padding-large
    classname: bazel-jumpdown-row
    custom_html: >
      <a href="#concepts">Concepts<span class="material-icons">arrow_downward</span>
      </a>
      <a href="#writing-rules">Writing rules<span class="material-icons">
      arrow_downward</span></a>
      <a href="#distributing-rules">Distributing rules<span class="material-icons">arrow_downward</span></a>
      <a href="#design-docs">Design docs<span class="material-icons">arrow_downward</span></a>
      <a href="#apis">APIs<span class="material-icons">arrow_downward</span></a>

  # Concepts row
  - options:
    - centered-header
    - cards
    background: white
    heading: Concepts
    description: >
      Understand concepts like rules and macros to extend Bazel's capabilities.
    items_across: 4
    items:
    - heading: Overview
      path: /extending/concepts/
    - heading: Rules
      path: /extending/rules
    - heading: Symbolic macros
      path: /extending/macros
    - heading: Legacy macros
      path: /extending/legacy-macros
    - heading: Depsets
      path: /extending/depsets
    - heading: Aspects
      path: /extending/aspects
    - heading: Repository rules
      path: /extending/repo
    - heading: Configurations
      path: /extending/config

  # Writing rules row
  - options:
    - centered-header
    - cards
    background: white
    heading: Writing rules
    description: >
      Write custom rules and macros to customize Bazel to your needs.
    items_across: 4
    items:
    - heading: Creating a rule
      path: /rules/rules-tutorial
    - heading: Creating a symbolic macro
      path: /rules/macro-tutorial
    - heading: Creating a legacy macro
      path: /rules/legacy-macro-tutorial
    - heading: Creating custom verbs
      path: /rules/verbs-tutorial
    - heading: Starlark language
      path: /rules/language
    - heading: Starlark style guide
      path: /rules/bzl-style
    - heading: Challenges
      path: /rules/challenges
    - heading: Writing rules for Windows
      path: /rules/windows
    - heading: Example rules
      path: https://github.com/bazelbuild/examples/tree/HEAD/rules

  # Distributing rules row
  - options:
    - centered-header
    - cards
    background: white
    heading: Distributing rules
    description: >
      Share your custom rules to your project or the Bazel community.
    items_across: 4
    items:
    - heading: Testing rules
      path: /rules/testing
    - heading: Lint
      path: https://github.com/bazelbuild/buildtools/tree/master/buildifier
    - heading: Optimizing performance
      path: /rules/performance
    - heading: Deploy rules
      path: /rules/deploying
    - heading: Document rules with Stardoc
      path: https://github.com/bazelbuild/stardoc

  # Design docs row
  - options:
    - centered-header
    - cards
    background: white
    heading: Design docs
    description: >
      Academic or conceptual materials on advanced Bazel concepts.
    items_across: 4
    items:
    - heading: Platforms
      path: /extending/platforms
    - heading: Execution groups
      path: /extending/exec-groups
    - heading: Automatic execution groups
      path: /extending/auto-exec-groups
    - heading: Toolchains
      path: /extending/toolchains

  # APIs row
  - options:
    - centered-header
    - cards
    background: white
    heading: APIs
    description: >
      Connect Bazel with these API libraries.
    items_across: 4
    items:
    - heading: Build file API
      path: /rules/lib/starlark-overview