build-home-index.md
In pkgdown: Make Static HTML Documentation for a Package

data_home_sidebar() works by default

Code
  cat(data_home_sidebar(pkg))
Output
  <div class='license'>
  <h2 data-toc-skip>License</h2>
  <ul class='list-unstyled'>
  <li><a href='https://www.r-project.org/Licenses/GPL-3'>GPL-3</a></li>
  </ul>
  </div>


  <div class='citation'>
  <h2 data-toc-skip>Citation</h2>
  <ul class='list-unstyled'>
  <li><a href='authors.html#citation'>Citing testpackage</a></li>
  </ul>
  </div>

  <div class='developers'>
  <h2 data-toc-skip>Developers</h2>
  <ul class='list-unstyled'>
  <li>Hadley Wickham <br />
  <small class = 'roles'> Author, maintainer </small>  </li>
  <li>RStudio <br />
  <small class = 'roles'> Copyright holder, funder </small>  </li>
  </ul>
  </div>

  <div class='dev-status'>
  <h2 data-toc-skip>Dev Status</h2>
  <ul class='list-unstyled'>
  <li>placeholder</li>
  </ul>
  </div>

<div class="developers">
<h2 data-toc-skip>Developers</h2>
<ul class="list-unstyled">
<li>Hadley Wickham <br><small class="roles"> Author, maintainer </small>  </li>
<li>RStudio <br><small class="roles"> Copyright holder, funder </small>  </li>
<li><a href="authors.html">More about authors...</a></li>
</ul>
</div>

data_home_sidebar() errors well when no HTML file

Can't locate 'file.html'.
x home.sidebar.html in _pkgdown.yml is misconfigured.

data_home_sidebar() can get a custom markdown formatted component

<div class="fancy-section">
<h2 data-toc-skip>Fancy section</h2>
<ul class="list-unstyled">
<li><p>How <em>cool</em> is pkgdown?!</p></li>
</ul>
</div>

data_home_sidebar() can add a README

<div class="table-of-contents">
<h2 data-toc-skip>Table of contents</h2>
<ul class="list-unstyled">
<li><nav id="toc"></nav></li>
</ul>
</div>

data_home_sidebar() outputs informative error messages

Code
  data_home_sidebar(pkg)
Condition
  Error:
  ! Can't find component home.sidebar.components.fancy.
  i Edit _pkgdown.yml to define it.

Code
  data_home_sidebar(pkg)
Condition
  Error:
  ! Can't find components home.sidebar.components.fancy and home.sidebar.components.cool.
  i Edit _pkgdown.yml to define them.

Code
  data_home_sidebar(pkg)
Condition
  Error:
  ! Can't find component home.sidebar.components.fancy.title.
  i Edit _pkgdown.yml to define it.

Code
  data_home_sidebar(pkg)
Condition
  Error:
  ! Can't find components home.sidebar.components.fancy.title and home.sidebar.components.fancy.text.
  i Edit _pkgdown.yml to define them.