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Timo Tijhof 06ab2d7676 build: Fix gaps in lint coverage and update old patterns
eslint:
* Remove hardcoded glob paths that are (relatively slow) to expand
  before linting could start, in favour of specifying directories
  which can be iterated while linting happens.
* JSON files in i18n/ were skipped, unlike other repos.
  JS code under .storybook/ was skipped.
  JS code under resources/ext.popups/ was skipped.
  Fix all these by doing what other repos do, which is to let
  ESLint iterate the repository and tell it which directories not to
  enter. This has the happy side-effect of making IDE integrations
  for ESLint work correctly (as customisation in package.json has the
  same problems as using Gruntfile, namely that invoking 'eslint'
  directly can't be aware of this), as well as allowing things like
  `eslint --fix` to be used.

```
/Popups/resources/ext.popups/index.js
  4:2  error  Unexpected var, use let or const instead  no-var
```

nyc:
* Remove SPAWN_WRAP_SHIM_ROOT.
  This was a hack for an early CI experiment that hasn't been
  needed for several years.

storybook:
* Remove gitignore entries for additional npm and build output in the
  storybook subdirectory, which appears to not exist anymore since
  189b386a13.

Doxygen:
* Sync with cookiecutter example from
  https://gerrit.wikimedia.org/g/mediawiki/tools/cookiecutter-library/+/HEAD/
  - remove redundant stuff,
  - enable quiet mode to hide verbose non-warning,
  - include CoC.

Change-Id: If8f6b833067192aea96a87f04c7978c9af11f996
2021-08-16 17:02:05 +00:00
.phan Remove Popups instrumentation 2021-07-29 17:01:01 +00:00
.storybook Fix popup preview regressions, add story 2021-08-13 13:50:13 -06:00
dev-scripts build: Make 'svg_check.sh' script executable and change to tabs 2021-04-30 03:37:08 -07:00
docs Rename variables in change listeners for clarity 2021-04-15 10:19:40 +02:00
i18n Localisation updates from https://translatewiki.net. 2021-08-11 08:19:30 +02:00
includes Remove Popups instrumentation 2021-07-29 17:01:01 +00:00
resources build: Fix gaps in lint coverage and update old patterns 2021-08-16 17:02:05 +00:00
src Fix popup preview regressions, add story 2021-08-13 13:50:13 -06:00
tests Fix pointer class behaviour 2021-08-10 10:40:40 -07:00
.babelrc [Storybook] Upgrade Storybook to v6.2.9 2021-07-16 15:38:29 +00:00
.browserslistrc build: Add and use 'browserslist-config-wikimedia' 2021-05-19 11:19:34 -07:00
.eslintignore build: Fix gaps in lint coverage and update old patterns 2021-08-16 17:02:05 +00:00
.eslintrc.json build: Update eslint-config-wikimedia to 0.16.2 2020-06-26 17:05:56 +01:00
.gitattributes .gitattributes: Don't list package-lock.json 2021-05-03 19:17:02 +00:00
.gitignore build: Fix gaps in lint coverage and update old patterns 2021-08-16 17:02:05 +00:00
.gitreview Merge remote-tracking branch 'gerrit/mpga' 2017-02-14 11:20:17 -08:00
.istanbul.yml Hygiene: Tidy up QUnit references 2017-05-04 15:53:44 +01:00
.nvmrc .nvmrc: Update to Node 12.21.0 as CI has migrated 2021-06-04 13:50:04 -07:00
.nycrc.json Remove Popups instrumentation 2021-07-29 17:01:01 +00:00
.phpcs.xml build: Updating mediawiki/mediawiki-codesniffer to 33.0.0 2020-11-17 23:23:29 +01:00
.stylelintrc.json build: Update linters 2018-02-04 22:09:45 +00:00
.svgo.config.js build: Upgrade 'svgo' & re-crush SVGs 2021-04-28 07:28:16 +00:00
CODE_OF_CONDUCT.md build: Updating mediawiki/phan-taint-check-plugin to 1.3.0 2018-08-19 15:37:11 +00:00
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COPYING Add COPYING file 2014-02-06 15:38:46 +05:30
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extension.json virtualPageView: Log VirtualPageView events to Event Platform 2021-08-11 20:43:18 +01:00
jsdoc.json Hygiene: make JSDoc configs consistent 2018-07-23 14:45:14 -05:00
package-lock.json selenium: Update wdio-mediawiki 2021-07-28 16:35:31 +05:30
package.json build: Fix gaps in lint coverage and update old patterns 2021-08-16 17:02:05 +00:00
popups.svg Remove BetaFeature code 2018-04-26 15:51:48 -07:00
README.md Rename many functions and files for clarity 2021-04-08 11:04:02 +02:00
webpack.config.js Update entrypoint- and bundle-size limits 2021-05-10 10:00:39 +02:00

Popups

mediawiki/extensions/Popups

See https://www.mediawiki.org/wiki/Extension:Popups for more information about what it does.

Development

Popups uses an asset bundler so when developing for the extension you'll need to run a script to assemble the frontend assets.

You can find the frontend source files in src/, the compiled sources in resources/dist/, and other frontend assets managed by resource loader in resources/*.

After an npm install:

  • On one terminal, kickstart the bundler process:
    • npm start Will run the bundler in watch mode, re-assembling the files on file change. Additionally, this builds debug-friendly assets and enables Redux DevTools debugging.
    • npm run build Will compile the assets just once, ready for deployment. You must run this step before sending the patch or CI will fail (so that sources and built assets are in sync).
  • On another terminal, run tests and linting tools:
    • npm test To run the linting tools and the tests.
      • You can find the QUnit tests that depend on running MediaWiki under tests/qunit/
      • You can find the isolated QUnit tests under tests/node-qunit/, which you can run with npm run test:unit
    • We recommend you install a file watcher like nodemon to watch sources and auto run linting and tests.
      • npm install -g nodemon
      • Example running linting and node unit tests:
        • nodemon -w src/ --exec "grunt lint:all && npm run test:unit"
    • Get code coverage report with npm run coverage
      • Reports printed in the coverage/ folder

Developers are likely to work with local MediaWiki instances that do not have content to test with. To reduce this pain, you can create a single page with a list of links that point to an existing and external wiki by using the following config flag:

$wgPopupsGateway = 'restbaseHTML';
$wgPopupsRestGatewayEndpoint = 'https://en.wikipedia.org/api/rest_v1/page/summary/';

Popups works with a local copy of the Mobile Content Service too:

$wgPopupsGateway = 'restbaseHTML';
$wgPopupsRestGatewayEndpoint = 'http://localhost:6927/en.wikipedia.org/v1/page/summary/';

Debugging

  • Popups are dismissed ("abandoned") when the cursor leaves the popup container. As such, it can be difficult to debug a popup of interest without it popping in and out of the DOM. A useful workaround in DevTools is to context click a link, select inspect, move the cursor some place comfortable, and then from the console enter $($0).trigger('mouseenter').
  • As described in #Development, npm start enables Redux DevTools functionality. In production builds, this same functionality can be enabled by setting a debug=true query. E.g., https://en.wikipedia.org/wiki/Popup?debug=true.
  • When a QUnit test fails but you can't see why, open package.json and temporarily remove the snippet | tap-mocha-reporter dot.

Storybook.js Component Library

The root of the repository contains a .storybook directory. This folder contains a separate NPM project using the Storybook.js UI framework. This framework provides an environment that showcases all possible permutations of popups, without the state-management constraints of having only one popup per page.

This framework requires Node 8 (because of the spread ... operator) and is therefore separated from the main package.json until CI upgrades from Node 6. NVM can be used to manage multiple Node versions to run the Storybook app (cd .storybook && nvm use). See the .storybook/README.md for details.

Building the documentation

Execute npm -s run doc.

Terminology

  • Footnote - What the Cite extension shows at the bottom of the page.
  • Hovercard - Deprecated term for popup.
  • Link preview - A similar user feature in the Android native app.
  • Navpop / nav pop - A popup-like UI from the NavigationPopups gadget.
  • Popup - Generic term for a dialog that appears to float above a link that is being hovered over by a cursor.
  • Page preview - A specific type of popup that shows a page summary.
  • Preview - A synonym for popup.
  • Reference - A specific type of popup that previews the Cite extension's footnotes. Since footnotes are typically used for references, and the tag's name is <ref>, the terms are used synonymously.