… executable nodes

Reorganize shared folder and update guide for authors

chore(deps): update dev dependencies

chore(Deps): Update hotlink url to eLife css

fix(Hooks): Update pre-commit script name to match renamed script

Update build process to use Webpack

A change forthcoming in Encoda.

Closes #31

Closes #23.

# [1.6.0](v1.5.6...v1.6.0) (2020-02-21)

### Bug Fixes

* **Bootstrap theme:** Do not use mixins from shared; docs ([8347907](8347907))
* **Build:** Fix build issues due to circular dependencies ([4d7c13e](4d7c13e))
* **Code extension:** Fix itemtype; add default language; do not style executable nodes ([1315c67](1315c67))
* **Components:** Load components in index.html ([a32262a](a32262a))
* **Demo:** Generate examples standalone ([a2eb9f1](a2eb9f1))
* **Demo:** Initialize theme each time it, and  example, set ([801a7e9](801a7e9))
* **Demo:** Make demo paths relative for use on GH Pages ([07d980a](07d980a))
* **Docs:** Fix Publication step on TravisCI ([35cfad0](35cfad0))
* **eLife theme:** Changes to dir names and selectors ([6ef7ac2](6ef7ac2))
* **Examples:** Actually run the functions ([0907a34](0907a34))
* **Extensions:** Only quote name when need to ([f189065](f189065))
* **Generate:** Use Promise<unknown> when generating themes ([87736d1](87736d1))
* **Hooks:** Update pre-commit script name to match renamed script ([cc69db8](cc69db8))
* **Hooks:** Update pre-commit script name to match renamed script ([4814aea](4814aea))
* **Javascript:** Allow themes to be loaded in Node.js ([4f307e5](4f307e5))
* **Linting:** Add Stylelint to enforce semantic selector usage ([a6a4b89](a6a4b89))
* **References:** Fix Reference formatting selectors and type castings ([b3e23e1](b3e23e1))
* **Selectors:** Fix selectors import path in configuration ([c37e331](c37e331))
* **Selectors:** Match Headings & elements with multiple itemtypes ([d35e8f1](d35e8f1))
* **Selectors:** Prevent Prettier from mangling Custom Selectors ([45ae358](45ae358))
* **Selectors:** Reove trailing newline to avoid stylelint error ([08728e1](08728e1))
* **Selectors:** Update selectors after upgrade of Schema version ([b37c2fb](b37c2fb))
* **Selectors:** Update selectors to also target data- prefixed versions ([4306d68](4306d68))
* **Skeleton:** Do not rely on anything in shared; add README; linting ([7b238c3](7b238c3))
* **Skeleton:** Ensure index.ts is a module ([d1d941e](d1d941e))
* **Themes:** Remove zombie theme ([15d336e](15d336e))
* **Types:** Type root ([f4e8160](f4e8160))

### Features

* **Bootstrap:** Add bootsrap theme ([68d42ec](68d42ec))
* **Build:** Combine & sort media queries ([16ed2b6](16ed2b6))
* **Mathjax CSS:** Add generation of MathJax CSS ([d1fda5d](d1fda5d))
* **Nature:** Refactor and update Nature theme to emulate new branding ([d552f57](d552f57))
* **Pages extension:** Add the pages extension ([eb64e1a](eb64e1a)), closes [#23](#23)
* **PLOS:** Update theme with new semantic selectors ([ca36008](ca36008))
* **Prism addon:** Add prisom addon for syntax highlighting ([967fe53](967fe53))
* **RPNG Theme:** Add theme for generating RPNGs. ([c5b18b7](c5b18b7)), closes [#31](#31)
* **Selector functions:** Add module for handling custom selectors ([59be9e9](59be9e9))
* **Selectors:** Autogenerate semantic selectors from Stencila Schema ([8c5862c](8c5862c))
* **Selectors:** Draft: Auto-Generate semantic selectors ([1caacfd](1caacfd))
* **Shared JS:** Add functions for DOM manipulation ([01d6d71](01d6d71))
* **Shared scripts:** Add DOM manipulation fixes ([c049b5f](c049b5f))
* **Skeleton:** Add Skeleton starter theme ([c70dbb4](c70dbb4))
* **Skeleton theme:** Add all existing addons ([e73d853](e73d853))
* **Stencila components addon:** Addon for adding Stencila Web Components for document nodes ([65d84a9](65d84a9))
* **Themes:** Add a script to create a new theme ([5081903](5081903))
* **Themes:** Horizontally centre eLife article ([e7fc6a7](e7fc6a7))
* **Variables:** Add a shared layer of variables for all themes ([15bb7da](15bb7da))

### Performance Improvements

* **CSS:** Reduce file sizes by using CSSNano during builds ([87f7b2b](87f7b2b))

This avoid the following error when installing Thema in another package:

```bash
> @stencila/[email protected] postinstall /home/nokome/stencila/source/encoda/node_modules/@stencila/thema
> npm run update

> @stencila/[email protected] update /home/nokome/stencila/source/encoda/node_modules/@stencila/thema
> npm run update:selectors && npm run update:examples && npm run update:themes && npm run update:extensions

> @stencila/[email protected] update:selectors /home/nokome/stencila/source/encoda/node_modules/@stencila/thema
> ts-node --files src/scripts/selectors.ts

Error: Cannot find module '/home/nokome/stencila/source/encoda/node_modules/@stencila/thema/src/scripts/selectors.ts'
```

See https://docs.npmjs.com/misc/scripts

## [1.6.1](v1.6.0...v1.6.1) (2020-02-21)

### Bug Fixes

* **Package:** Use prepare instead of postinstall ([1be7091](1be7091))

Fix Hot Module Reloading during development

## [1.6.2](v1.6.1...v1.6.2) (2020-02-22)

### Bug Fixes

* **Build:** Fix production build failure due to missing plugin ([5aed49f](5aed49f))

Note that this doesn‘t reset any HTML manipulation that might've been performed by the scripts

Separate browser and lib distributions

## [1.6.3](v1.6.2...v1.6.3) (2020-02-23)

### Bug Fixes

* **Docs:** Re-evaluate theme JavaScript when switching themes ([befaa76](befaa76))
* **Package:** Setup for sepearate browser and lib distributions ([2ba3594](2ba3594))

…are valid

chore(Deps): Update hotlink url to eLife css

Regenerate semantic selectors and add test for usage

## [1.6.4](v1.6.3...v1.6.4) (2020-02-24)

### Bug Fixes

* **Selectors:** Upgrade Schema version and regenerate selectors ([9eb59da](9eb59da))
* **Themes:** Fix invalid custom selectors ([c972fcd](c972fcd))

Notes:

- Only one update to HTML: `affiliations` instead of `organizations`
- No longer generate YAML files for some examples (sometimes useful but addng noise)
- README is still in need of work!

fix(Examples): Upgrade to Encoda 0.86.1; add README as an example

…te from scripts

Also removes the function for converting semantic selectors to attribute selectors which were incomplete (and thus confusing).

…port for custom selectors

Finish and document DOM utility functions

# [1.7.0](v1.6.4...v1.7.0) (2020-02-25)

### Bug Fixes

* **Utility functions:** Require spaces between attributes; better support for custom selectors ([f45abb9](f45abb9))

### Features

* **Utility functions:** Add more, test and document ([8b8abb8](8b8abb8))

Update theme resolution logic, restructure files

## [1.7.1](v1.7.0...v1.7.1) (2020-02-25)

### Bug Fixes

* **Semantic Selector:** Fix CSS syntax when generating selectors ([4963cc6](4963cc6))

…next

Fix CSS custom property syntax

## [1.7.2](v1.7.1...v1.7.2) (2020-02-26)

### Bug Fixes

* **CSS:** Malformed custom property usage ([e69dcd5](e69dcd5))

Documentation for extensions

…eate and append