User:Pythoncoder/linkclassifier.js

// Source: https://en.wikipedia.org/w/index.php?title=User:Anomie/linkclassifier.js&oldid=819388871 /* If you want to use this script, simply add the following line to your Special:Mypage/monobook.js:

importScript('User:Anomie/linkclassifier.js'); // Linkback: User:Anomie/linkclassifier.js


 * (Please keep the comment so I can see how many people use this). You will also want to
 * add some CSS classes, such as those at User:Anomie/linkclassifier.css.

/* If you want this to run "on demand" instead of on every page, set "LinkClassifierOnDemand=true" and * use addPortletLink or the like to add a button calling LinkClassifier.onDemand. */

var LinkClassifier = { /* This object maps classes to the categories for which to apply them. Values may be an array of strings or a regex. */	cats: { deletion: [ 'Category:Articles for deletion', ].sort, disambiguation: [ 'Category:Disambiguation pages' ].sort, 'featured-content': [ 'Category:Cover story articles' ].sort, 'good-content': [ 'Category:Silver-level articles' ].sort, stubcls: /^Category:.* stubs$/, 'nonfree-media': [ 'Category:Files claiming fair use' ].sort },

/* This object maps page props to CSS classes for which to apply them. Values may be an array of strings or a function returning such. */	props: { disambiguation: [ 'disambiguation' ]	},

/* This regex matches page titles to be marked as intentional links to disambiguation pages */ intentionaldab: / \(disambiguation\)$/,

/* Was it run already? */	wasRun: false,

onAjaxError: function ( xhr, textStatus, errorThrown ) { throw new Error( 'AJAX error: ' + textStatus + ' ' + errorThrown ); },

callback: function ( r ) { var i, j, k, k2, v, node, alist, q, prefix, seen, cls, redir = {}, redirlist = [], cats = {}, missing = {}, classes = {};

if ( !r.query ) { if ( !window.console || !$.isFunction( window.console.error ) ) { throw new Error( 'Bad response' ); }			window.console.error( 'Bad response', r ); return; }		if ( r['query-continue'] ) { q = this.rawdata; for ( k in r['query-continue'] ) { for ( k2 in r['query-continue'][k] ) { q[k2] = r['query-continue'][k][k2]; }			}			$.ajax( {				url: mw.util.wikiScript( 'api' ),				dataType: 'json',				type: 'POST',				data: q,				rawdata: this.rawdata,				success: LinkClassifier.callback,				error: LinkClassifier.onAjaxError			} ); }		r = r.query;

node = document.getElementById( 'wikiPreview' ); if ( !node ) { node = document.getElementById( 'bodyContent' ); }		if ( !node ) { throw new Error( 'Huh? No body content?' ); }		alist = node.getElementsByTagName( 'A' ); if ( alist.length === 0 ) { return; }

if ( r.redirects ) { for ( i = r.redirects.length - 1; i >= 0; i-- ) { redir[r.redirects[i].from] = r.redirects[i].to; redirlist.push( r.redirects[i].from ); }		}		if ( redirlist.length > 0 ) { q = { format: 'json', action: 'query', titles: redirlist.join( '|' ), prop: 'categories|info', inprop: 'protection', cllimit: 'max', rawcontinue: 1 };			$.ajax( {				url: mw.util.wikiScript( 'api' ),				dataType: 'json',				type: 'POST',				data: q,				rawdata: q,				success: LinkClassifier.callback,				error: LinkClassifier.onAjaxError			} ); }

prefix = this.rawdata.redirects ? '' : 'redir-'; if ( r.pages ) { for ( i in r.pages ) { classes[r.pages[i].title] = []; missing[r.pages[i].title] = r.pages[i].missing !== undefined; if ( r.pages[i].categories ) { cats[r.pages[i].title] = r.pages[i].categories.map( function ( a ) {						return a.title;					} ).sort; }				if ( r.pages[i].pageprops ) { for ( k in r.pages[i].pageprops ) { if ( !LinkClassifier.props[k] ) { continue; }						v = LinkClassifier.props[k]; if ( $.isFunction( v ) ) { v = v( r.pages[i].pageprops[k], k, r.pages[i].title ); }						classes[r.pages[i].title].push.apply( classes[r.pages[i].title], v ); }				}				if ( r.pages[i].protection ) { seen = {}; for ( j = r.pages[i].protection.length - 1; j >= 0; j-- ) { cls = prefix + 'protection-' + r.pages[i].protection[j].type + '-' + r.pages[i].protection[j].level; if ( !seen[cls] ) { seen[cls] = 1; classes[r.pages[i].title].push( cls ); }						if ( r.pages[i].protection[j].expiry === 'infinity' ) { cls += '-indef'; if ( !seen[cls] ) { seen[cls] = 1; classes[r.pages[i].title].push( cls ); }						}					}				}				if ( r.pages[i].flagged ) { if ( r.pages[i].lastrevid !== r.pages[i].flagged.stable_revid ) { classes[r.pages[i].title].push( 'needs-review' ); }				}			}		}		Array.prototype.forEach.call( alist, function ( a ) {			var cns, cls, m, i, j, pageCats, matchCats,				$a = $( a );

if ( a.wikipage === undefined ) { return; }			if ( redir[a.wikipage] ) { $a.addClass( 'redirect' ); a.wikipage = redir[a.wikipage]; a.title = a.wikipage; cns = mw.config.get( 'wgCanonicalNamespace' ); if ( a.wikipage === ( cns ? cns + ':' : '' ) + mw.config.get( 'wgTitle' ) ) { $a.addClass( 'self-redirect' ); }				if ( missing[a.wikipage] ) { $a.addClass( 'broken-redirect' ); }			}			m = a.href.match( /#.*/ ); if ( m && m[0].substr( 0, 10 ) !== '#cite_note' ) { a.title = a.title.replace( /#.*/, '' ) + m[0].replace( /_/g, ' ' ).replace( /\.([0-9A-F][0-9A-F])/gi, function ( x, n ) {						return String.fromCharCode( parseInt( n, 16 ) );					} ); }			if ( LinkClassifier.intentionaldab.test( a.origwikipage ) ) { $a.addClass( 'intentional-disambiguation' ); }			if ( classes[a.wikipage] ) { for ( j = classes[a.wikipage].length - 1; j >= 0; j-- ) { $a.addClass( classes[a.wikipage][j] ); }			}			if ( a.wikipage !== a.origwikipage && classes[a.origwikipage] ) { for ( j = classes[a.origwikipage].length - 1; j >= 0; j-- ) { $a.addClass( classes[a.origwikipage][j] ); }			}

pageCats = []; if ( cats[a.wikipage] ) { pageCats = pageCats.concat( cats[a.wikipage] ); }			if ( a.wikipage !== a.origwikipage && cats[a.origwikipage] ) { pageCats = pageCats.concat( cats[a.origwikipage] ); }			if ( pageCats.length > 0 ) { pageCats = pageCats.sort; for ( cls in LinkClassifier.cats ) { i = pageCats.length - 1; matchCats = LinkClassifier.cats[cls]; if ( matchCats instanceof RegExp ) { while ( i >= 0 ) { if ( matchCats.test( pageCats[i] ) ) { $a.addClass( cls ); break; }							i--; }					} else { j = matchCats.length - 1; while ( i >= 0 && j >= 0 ) { if ( pageCats[i] === matchCats[j] ) { $a.addClass( cls ); break; }							if ( pageCats[i] > matchCats[j] ) { --i; } else { --j; }						}					}				}			}		} );	},

draftsCallback: function ( r ) { var i, node, alist, found = {};

if ( !r.query ) { if ( !window.console || !$.isFunction( window.console.error ) ) { throw new Error( 'Bad response' ); }			window.console.error( 'Bad response', r ); return; }		r = r.query;

node = document.getElementById( 'wikiPreview' ); if ( !node ) { node = document.getElementById( 'bodyContent' ); }		if ( !node ) { throw new Error( 'Huh? No body content?' ); }		alist = node.getElementsByTagName( 'A' ); if ( alist.length === 0 ) { return; }

if ( r.pages ) { for ( i in r.pages ) { found[r.pages[i].title] = r.pages[i].missing === undefined; }		}		Array.prototype.forEach.call( alist, function ( a ) {			if ( a.wikipage !== undefined && found['Draft:' + a.origwikipage] ) {				$( a ).addClass( 'has-draft' );			}		} ); },

getPageName: function ( url ) { var t, m = url.match( /\/wiki\/([^?#]+)/ ); if ( !m ) { m = url.match( /\/w\/index.php\?(?:.*&)?title=([^&#]+)/ ); }		if ( !m ) { return ''; }		t = decodeURIComponent( m[1] ).replace( /_/g, ' ' ); if ( t.substr( 0, 6 ) === 'Image:' ) { t = 'File:' + t.substr( 6 ); }		if ( t.substr( 0, 11 ) === 'Image talk:' ) { t = 'File talk:' + t.substr( 6 ); }		if ( t.substr( 0, 8 ) === 'Special:' ) { t = ''; }		return t;	},

classifyChildren: function ( node ) { mw.loader.using( [ 'mediawiki.util', 'mediawiki.user' ], function {			var alist, titles, draftTitles, re, self, props, i, k;

LinkClassifier.wasRun = true; alist = node.getElementsByTagName( 'A' ); if ( !alist.length ) { return; }			self = LinkClassifier.getPageName( location.href ); titles = Array.prototype.map.call( alist, function ( a ) {				a.wikipage = ;				if ( /(^|\s)(external|extiw)(\s|$)/.test( a.className ) ) {					return ;				}				if ( !/(^|\s)(image)(\s|$)/.test( a.className ) ) {					a.className += ' nonimage';				}				a.wikipage = LinkClassifier.getPageName( a.href );				if ( a.wikipage === self ) {					a.wikipage = ;				}				a.origwikipage = a.wikipage;				return a.wikipage;			} ).sort.filter( function ( e, i, a ) {				return e !==  && ( i === 0 || a[i - 1] !== e );			} );

re = []; for ( k in mw.config.get( 'wgNamespaceIds' ) ) { if ( k !== '' ) { re.push( k.replace( /_/g, ' ' ) ); }			}			re = new RegExp( '^(' + re.join( '|' ) + '):', 'i' ); draftTitles = []; for ( i = titles.length - 1; i >= 0; i-- ) { if ( !re.test( titles[i] ) ) { draftTitles.push( 'Draft:' + titles[i] ) }			}

props = []; for ( k in LinkClassifier.props ) { props.push( k ); }

function processLinks( limit ) { var q;				while ( titles.length > 0 ) { q = { format: 'json', action: 'query', titles: titles.splice( 0, limit ).join( '|' ), prop: 'categories|pageprops|info|flagged', redirects: 1, cllimit: 'max', inprop: 'protection', rawcontinue: 1 };					if ( props.length <= limit ) { q.ppprop = props.join( '|' ); }					$.ajax( {						url: mw.util.wikiScript( 'api' ),						dataType: 'json',						type: 'POST',						data: q,						rawdata: q,						success: LinkClassifier.callback,						error: LinkClassifier.onAjaxError					} ); }

while ( draftTitles.length > 0 ) { q = { format: 'json', action: 'query', titles: draftTitles.splice( 0, limit ).join( '|' ), rawcontinue: 1 };					$.ajax( {						url: mw.util.wikiScript( 'api' ),						dataType: 'json',						type: 'POST',						data: q,						rawdata: q,						success: LinkClassifier.draftsCallback,						error: LinkClassifier.onAjaxError					} ); }			}

if ( titles.length <= 100 ) { // Not worth querying the API to see if the user has apihighlimits processLinks( 50 ); } else { // Note mw.user.getRights queries the API mw.user.getRights( function ( rights ) {					processLinks( ( rights.indexOf( 'apihighlimits' ) >= 0 ) ? 500 : 50 );				} );			}		} );	},

onLoad: function { if ( window.LinkClassifierOnDemand ) { return; }		if ( window.AJAXPreview ) { window.AJAXPreview.AddOnLoadHook( LinkClassifier.classifyChildren ); }		LinkClassifier.onDemand; },

onDemand: function { mw.hook( 'LinkClassifier' ).fire( this ); var node = document.getElementById( 'wikiPreview' ); if ( !node ) { node = document.getElementById( 'bodyContent' ); }		if ( node ) { LinkClassifier.classifyChildren( node ); }	},

rerun: function { if ( LinkClassifier.wasRun ) { LinkClassifier.onDemand; }	} };

if ( !window.LinkClassifierOnDemand ) { $( document ).ready( LinkClassifier.onLoad ); }