mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/Popups
synced 2024-12-01 02:36:35 +00:00
e976af78e2
Instead of defaulting the config to the global mw.config when the param is not defined, always pass it in (it is called just once in application code), that way there's no need to test for the optional argument behavior and the function is pure. Change-Id: Ib1addb3060826f58dce2d6f928252ce1888a4293
90 lines
2.4 KiB
JavaScript
90 lines
2.4 KiB
JavaScript
( function ( mw, $ ) {
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/**
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* @private
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*
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* Gets the title of a local page from an href given some configuration.
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*
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* @param {String} href
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* @param {mw.Map} config
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* @return {String|undefined}
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*/
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function getTitle( href, config ) {
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var linkHref,
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matches,
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queryLength,
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titleRegex = new RegExp( mw.RegExp.escape( config.get( 'wgArticlePath' ) )
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.replace( '\\$1', '(.+)' ) );
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// Skip every URI that mw.Uri cannot parse
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try {
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linkHref = new mw.Uri( href );
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} catch ( e ) {
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return undefined;
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}
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// External links
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if ( linkHref.host !== location.hostname ) {
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return undefined;
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}
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queryLength = Object.keys( linkHref.query ).length;
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// No query params (pretty URL)
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if ( !queryLength ) {
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matches = titleRegex.exec( linkHref.path );
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return matches ? decodeURIComponent( matches[ 1 ] ) : undefined;
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} else if ( queryLength === 1 && linkHref.query.hasOwnProperty( 'title' ) ) {
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// URL is not pretty, but only has a `title` parameter
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return linkHref.query.title;
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}
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return undefined;
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}
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/**
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* Processes and returns link elements (or "`<a>`s") that are eligible for
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* previews in a given container.
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*
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* An `<a>` is eligible for a preview if:
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*
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* * It has an href and a title, i.e. `<a href="/wiki/Foo" title="Foo" />`.
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* * It doesn't have any blacklisted CSS classes.
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* * Its href is a valid URI of a page on the local wiki.
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*
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* If an `<a>` is eligible, then the title of the page on the local wiki is
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* stored in the `data-previews-page-title` attribute for later reuse.
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*
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* @param {jQuery} $container
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* @param {String[]} blacklist If an `<a>` has one or more of these CSS
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* classes, then it will be ignored.
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* @param {mw.Map} config
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*
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* @return {jQuery}
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*/
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mw.popups.processLinks = function ( $container, blacklist, config ) {
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var contentNamespaces;
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contentNamespaces = config.get( 'wgContentNamespaces' );
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return $container
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.find( 'a[href][title]:not(' + blacklist.join( ', ' ) + ')' )
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.filter( function () {
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var title,
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titleText = getTitle( this.href, config );
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if ( !titleText ) {
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return false;
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}
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// Is titleText in a content namespace?
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title = mw.Title.newFromText( titleText );
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if ( title && ( $.inArray( title.namespace, contentNamespaces ) >= 0 ) ) {
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$( this ).data( 'page-previews-title', titleText );
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return true;
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}
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} );
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};
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}( mediaWiki, jQuery ) );
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