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/**
* @param {FetchEndEvent} event
*/
function onFetchEnd( event ) {
mw.track( 'mediawiki.searchSuggest', {
action: 'impression-results',
numberOfResults: event.numberOfResults,
// resultSetType: '',
// searchId: '',
query: event.query,
inputLocation: 'header-moved'
} );
}
/**
* @param {SuggestionClickEvent|SearchSubmitEvent} event
*/
function onSuggestionClick( event ) {
mw.track( 'mediawiki.searchSuggest', {
action: 'click-result',
numberOfResults: event.numberOfResults,
index: event.index
} );
}
/**
* Generates the value of the `wprov` parameter to be used in the URL of a search result and the
* `wprov` hidden input.
*
* See https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/WikimediaEvents/+/refs/heads/master/modules/ext.wikimediaEvents/searchSatisfaction.js
* and also the top of that file for additional detail about the shape of the parameter.
*
* @param {number} index
* @return {string}
*/
function getWprovFromResultIndex( index ) {
// result looks like: acrw1_0, acrw1_1, acrw1_2, etc.;
// or acrw1_-1 for index -1 (user did not highlight an autocomplete result)
return 'acrw1_' + index;
}
/**
* @typedef {Object} SearchResultPartial
* @property {string} title
* @property {string} [url]
*/
/**
* Return a new list of search results,
* with the `wprov` parameter added to each result's url (if any).
*
* @param {SearchResultPartial[]} results Not modified.
* @param {number} offset Offset to add to the index of each result.
* @return {SearchResultPartial[]}
*/
function addWprovToSearchResultUrls( results, offset ) {
return results.map( ( result, index ) => {
if ( result.url ) {
const url = new URL( result.url, location.href );
url.searchParams.set( 'wprov', getWprovFromResultIndex( index + offset ) );
result = Object.assign( {}, result, { url: url.toString() } );
}
return result;
} );
}
/**
* @typedef {Object} Instrumentation
* @property {Object} listeners
* @property {Function} getWprovFromResultIndex
* @property {Function} addWprovToSearchResultUrls
*/
/**
* @type {Instrumentation}
*/
module.exports = {
listeners: {
onFetchEnd,
onSuggestionClick,
// As of writing (2020/12/08), both the "click-result" and "submit-form" kind of
// mediawiki.searchSuggestion events result in a "click" SearchSatisfaction event being
// logged [0]. However, when processing the "submit-form" kind of mediawiki.searchSuggestion
// event, the SearchSatisfaction instrument will modify the DOM, adding a hidden input
// element, in order to set the appropriate provenance parameter (see [1] for additional
// detail).
//
// In this implementation of the mediawiki.searchSuggestion protocol, we don't want to
// trigger the above behavior as we're using Vue.js, which doesn't expect the DOM to be
// modified underneath it.
//
// [0] https://gerrit.wikimedia.org/g/mediawiki/extensions/WikimediaEvents/+/df97aa9c9407507e8c48827666beeab492fd56a8/modules/ext.wikimediaEvents/searchSatisfaction.js#735
// [1] https://phabricator.wikimedia.org/T257698#6416826
onSubmit: onSuggestionClick
},
getWprovFromResultIndex,
addWprovToSearchResultUrls
};