mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/Popups
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a3796a24ee
As of Node.js version 8, upstream has consistently avoided this to avoid confusion with V8, the JavaScript engine that power Node.js and Chromium. Change-Id: I702cee3247cc69ab4aac313176c884c9c2785ea9
94 lines
4.3 KiB
Markdown
94 lines
4.3 KiB
Markdown
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# mediawiki/extensions/Popups
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See https://www.mediawiki.org/wiki/Extension:Popups for more information about
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what it does.
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## Development
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Popups uses an asset bundler so when developing for the extension you'll need
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to run a script to assemble the frontend assets.
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You can find the frontend source files in `src/`, the compiled sources in
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`resources/dist/`, and other frontend assets managed by resource loader in
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`resources/*`.
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After an `npm install`:
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* On one terminal, kickstart the bundler process:
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* `npm start` Will run the bundler in watch mode, re-assembling the files on
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file change. Additionally, this builds debug-friendly assets and enables
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[Redux DevTools] debugging.
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* `npm run build` Will compile the assets just once, ready for deployment. You
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*must* run this step before sending the patch or CI will fail (so that
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sources and built assets are in sync).
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* On another terminal, run tests and linting tools:
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* `npm test` To run the linting tools and the tests.
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* You can find the QUnit tests that depend on running MediaWiki under
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`tests/qunit/`
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* You can find the isolated QUnit tests under `tests/node-qunit/`, which you
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can run with `npm run test:unit`
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* We recommend you install a file watcher like `nodemon` to watch sources and
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auto run linting and tests.
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* `npm install -g nodemon`
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* Example running linting and node unit tests:
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* `nodemon -w src/ --exec "grunt lint:all && npm run test:unit"`
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* Get code coverage report with `npm run coverage`
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* Reports printed in the `coverage/` folder
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Developers are likely to work with local MediaWiki instances that do not have
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content to test with. To reduce this pain, you can create a single page with
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a list of links that point to an existing and external wiki by using the
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following config flag:
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$wgPopupsGateway = 'restbaseHTML';
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$wgPopupsRestGatewayEndpoint = 'https://en.wikipedia.org/api/rest_v1/page/summary/';
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Popups works with a local copy of the [Mobile Content Service] too:
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$wgPopupsGateway = 'restbaseHTML';
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$wgPopupsRestGatewayEndpoint = 'http://localhost:6927/en.wikipedia.org/v1/page/summary/';
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[Redux DevTools]: https://chrome.google.com/webstore/detail/redux-devtools/lmhkpmbekcpmknklioeibfkpmmfibljd
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[Mobile Content Service]: https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/services/mobileapps/+/master
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## Debugging
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* Popups are dismissed ("abandoned") when the cursor leaves the popup
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container. As such, it can be difficult to debug a popup of interest
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without it popping in and out of the DOM. A useful workaround in
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DevTools is to context click a link, select inspect, move the cursor
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some place comfortable, and then from the console enter
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`$($0).trigger('mouseenter')`.
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* As described in [[#Development]], `npm start` enables Redux DevTools
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functionality. In production builds, this same functionality can be
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enabled by setting a `debug=true` query. E.g.,
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`https://en.wikipedia.org/wiki/Popup?debug=true`.
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## Storybook.js Component Library
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The root of the repository contains a .storybook directory. This folder contains
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a separate NPM project using the [Storybook.js](https://storybook.js.org/) UI framework.
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This framework provides an environment that showcases all possible permutations of popups,
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without the state-management constraints of having only one popup per page.
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This framework requires Node 8 (because of the spread `...` operator) and is therefore
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separated from the main package.json until CI upgrades from Node 6. NVM can be used to
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manage multiple Node versions to run the Storybook app (`cd .storybook && nvm use`).
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See the .storybook/README.md for details.
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## Terminology
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* Footnote - What the Cite extension shows at the bottom of the page.
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* Hovercard - Deprecated term for popup.
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* Link preview - A similar user feature in the Android native app.
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* Navpop / nav pop - A popup-like UI from the NavigationPopups gadget.
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* Popup - Generic term for a dialog that appears to float above a link that is
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being hovered over by a cursor.
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* Page preview - A specific type of popup that shows a page summary.
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* Preview - A synonym for popup.
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* Reference - A specific type of popup that previews the Cite extension's
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footnotes. Since footnotes are typically used for references, and the tag's
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name is `<ref>`, the terms are used synonymously.
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