User:Bradv/Scripts/WhatLinksHereSnippets.js

(function( $, mw ) {   'use strict';

if (mw.config.get('wgAction')==='view'    && mw.config.get('wgCanonicalSpecialPageName')==='Whatlinkshere') { const api = new mw.Api; const app = { styleSheet: mw.util.addCSS(`               body.hidesnippets pre.snippet {                    display:none                }                pre.snippet {                    padding:0.5em;                    margin:0 0 0.5em 1em;                    font-size:0.8em;                }                pre.snippet .highlight {                    background-color: #FFFF99;                }            `), init: function { app.button = $(' ', {'class': 'mw-ui-button mw-ui-progressive', 'style': 'float:right'}) .text('Show snippets') .insertAfter($('#mw-content-text > hr')) .click(function {                       app.button.toggleClass('mw-ui-progressive');                        if (app.button.hasClass('mw-ui-progressive')) {                            app.button.text('Show snippets');                            $('body').addClass('hidesnippets');                        } else {                            app.button.text('Hide snippets');                            $('body').removeClass('hidesnippets');                        }

if ($('pre.snippet').length==0) { app.load; }                   });                app.makeRegexes;            },            load: function {                var selector = '#mw-whatlinkshere-list > li';                function loop($row) {                    if ($row.length) {                        app.loadSnippet($row)                        .then(function($row) { loop($row.next(selector)); });                   }                }                loop($(selector).first);            },            makeRegexes: function {                app.regexes = {};

var page = mw.config.get('wgRelevantPageName') .replace(/[-[\]{}*+?.,\\^$|#\s]/g, '\\$&') .replace(/^Wikipedia:/,'\(Wikipedia\|WP\|Project\):') .replace(/^Wikipedia_talk:/, '\(Wikipedia_talk\|WT\|Project_talk\):') .replace(/^File:/, '\(Image\|File\):') .replace(/^File_talk:/, '\(Image_talk\|File_talk\):') .replaceAll('_','\[_\ \]');

var template = page.replace(/^Template:/,'\(Template:\)?'); app.regexes.transcludes = new RegExp("(^|\\w?).*.*($|\\n)", 'gi'); app.regexes.transcludesHilite = new RegExp("", 'gi'); app.regexes.links = new RegExp("(^|\\w?).*\\[\\[\\s*:?" + page + "\\s*(\[\\|#\]\[\\w\\W\]*?)?\\]\\].*($|\\n)", 'gi'); app.regexes.linksHilite = new RegExp("\\[\\[\\s*:?" + page + "\\s*(\[\\|#\]\[\\w\\W\]*?)?\\]\\]", 'gi'); console.log(app.regexes); },           loadSnippet: function($row) { var deferred = new $.Deferred; var page = $row.children('a').text; api.get({                   action: 'parse',                    format: 'json',                    page: page,                    prop: 'wikitext'                }).done(function (response, data) {                    var text = data.responseJSON.parse.wikitext['*'];                    var transcludes = ($row.contents.filter(function {return this.nodeType==3}).text.includes('(transclusion)'));                    var arr = [];                    var hilite = null;                    if (transcludes) {                        arr = text.match(app.regexes.transcludes);                        hilite = app.regexes.transcludesHilite;                    } else {                        arr = text.match(app.regexes.links);                        hilite = app.regexes.linksHilite;                    }

if (arr) { arr = arr.map(function(s) {                           return s.trim                                .replaceAll('<', '&lt;')                                .replaceAll('>', '&gt;')                                .replace(hilite, x => " " + x + " ");                        }); $.each(arr, function {                           var $pre = $(' ', {'class': 'snippet'})                                .append(this);                            if ($row.children.filter('ul').length) {                                $pre.insertBefore($row.children.filter('ul'));                            } else {                                $pre.appendTo($row);                            }                        }); }

deferred.resolve($row); });               return deferred.promise;            }        }        app.init;    } }(jQuery, mediaWiki ));