mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/Popups
synced 2024-12-13 16:18:30 +00:00
0d300867ab
If the user has abandoned the link or dwelled on a different link, then
don't make the API request.
Changes:
* Fix a bug in the linkDwell reducer where the activeLink was always
being set to undefined.
* Add the private fetch action creator.
* Make the linkDwell action dispatch the result of the fetch action
creator after 500ms.
Supporting changes:
* Make the link* action creators take DOM elements rather than jQuery
instances so that:
1. Testing whether the state tree has changed is an identity
comparison.
2. jQuery instances are constructed only when required.
* Document the ext.popups.Gateway type.
* Document the Redux.Store type.
* Rename the "previews-page-title" data attribute to
"page-previews-title" to avoid confusion.
Change-Id: I0b1cf3337a6f8d6450ad2bd127cb292ebb73af4f
43 lines
1.2 KiB
JavaScript
43 lines
1.2 KiB
JavaScript
( function ( mw ) {
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/**
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* @typedef {Function} ext.popups.ChangeListener
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* @param {Object} prevState The previous state
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* @param {Object} state The current state
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*/
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/**
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* Registers a change listener, which is bound to the
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* [store](http://redux.js.org/docs/api/Store.html).
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*
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* A change listener is a function that is only invoked when the state in the
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* [store](http://redux.js.org/docs/api/Store.html) changes. N.B. that there
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* may not be a 1:1 correspondence with actions being dispatched to the store
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* and the state in the store changing.
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*
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* See [Store#subscribe](http://redux.js.org/docs/api/Store.html#subscribe)
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* for more information about what change listeners may and may not do.
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*
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* @param {Redux.Store} store
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* @param {ext.popups.ChangeListener} callback
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*/
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mw.popups.registerChangeListener = function ( store, callback ) {
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// This function is based on the example in [the documentation for
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// Store#subscribe](http://redux.js.org/docs/api/Store.html#subscribe),
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// which was written by Dan Abramov.
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var state;
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store.subscribe( function () {
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var prevState = state;
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state = store.getState();
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if ( prevState !== state ) {
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callback( prevState, state );
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}
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} );
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};
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}( mediaWiki ) );
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