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ext.translate.special.pagepreparation.js
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ext.translate.special.pagepreparation.js
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( function () {
'use strict';
/**
* Get a regex snippet matching any aliases (including the canonical
* name) of the given namespace, or of “other” namespaces if the
* namespace is not given.
*
* @param {number|null} filter The namespace ID to filter for, or
* `null` to filter for “other” namespaces
* @return {string} The aliases of the specified namespace(s),
* regex-escaped and joined with `|`
*/
function getNamespaceRegex( filter ) {
var aliases = [];
var namespacesObject = mw.config.get( 'wgNamespaceIds' );
for ( var key in namespacesObject ) {
if ( filter !== null ) {
if ( namespacesObject[ key ] === filter ) {
aliases.push( mw.util.escapeRegExp( key ) );
}
} else {
switch ( namespacesObject[ key ] ) {
case -1:
case 0:
case 6:
case 7:
case 14:
case 15:
// not needed or handled somewhere else
break;
default:
aliases.push( mw.util.escapeRegExp( key ) );
}
}
}
return aliases.join( '|' );
}
/**
* Remove all the <translate> tags and {{translation}} templates before
* preparing the page. The tool will add them back wherever needed.
*
* @param {string} pageContent
* @return {string}
*/
function cleanupTags( pageContent ) {
return pageContent.replace( /<\/?translate>\n?/gi, '' );
}
/**
* Add the <languages/> bar at the top of the page, if not present.
* Remove the old {{languages}} template if it is present.
*
* @param {string} pageContent
* @return {string}
*/
function addLanguageBar( pageContent ) {
if ( !/<languages ?\/>/gi.test( pageContent ) ) {
pageContent = '<languages/>\n' + pageContent;
}
return pageContent.replace( /\{\{languages.*?}}/gi, '' );
}
/**
* Add <translate> tags around Categories to make them a part of the page template
* and tag them with the {{translation}} template.
*
* @param {string} pageContent
* @return {string}
*/
function doCategories( pageContent ) {
var aliasList = getNamespaceRegex( 14 );
// Regex: https://regex101.com/r/sJ3gZ4/2
var categoryRegex = new RegExp( '\\[\\[((' + aliasList + ')' +
':[^\\|]+)(\\|[^\\|]*?)?\\]\\]', 'gi' );
return pageContent.replace( categoryRegex, '\n</translate>\n' +
'[[$1{{#translation:}}$3]]\n<translate>\n' );
}
/**
* Add the <translate> and </translate> tags at the start and end of the page.
* The opening tag is added immediately after the <languages/> tag.
*
* @param {string} pageContent
* @return {string}
*/
function addTranslateTags( pageContent ) {
// Check for a <languages/> tag with a newline after.
// If there is no newline, there is some text/syntax after, so we don't want to add any <translate> tags now.
if ( /<languages ?\/>\n/gi.test( pageContent ) ) {
pageContent = pageContent.replace( /(<languages ?\/>\n)/gi, '$1<translate>\n' ) +
'\n</translate>';
}
return pageContent;
}
/**
* Add newlines before and after section headers. Extra newlines resulting after
* this operation are cleaned up in postPreparationCleanup() function.
*
* @param {string} pageContent
* @return {string}
*/
function addNewLines( pageContent ) {
return pageContent.replace( /^(==.*==)\n*/gm, '\n$1\n\n' );
}
/**
* Add an anchor to a section header with the given headerText.
*
* @param {string} headerText
* @param {string} pageContent
* @return {string}
*/
function addAnchor( headerText, pageContent ) {
var anchorID = headerText.replace( ' ', '-' ).toLowerCase();
headerText = mw.util.escapeRegExp( headerText );
// Search for the header having text as headerText
// Regex: https://regex101.com/r/fD6iL1
var headerSearchRegex = new RegExp( '(==+[ ]*' + headerText + '[ ]*==+)', 'gi' );
// This is to ensure that the tags and the anchor are added only once
if ( !pageContent.includes( '<span id="' + mw.html.escape( anchorID ) + '"' ) ) {
pageContent = pageContent.replace( headerSearchRegex, '</translate>\n' +
'<span id="' + mw.html.escape( anchorID ) + '"></span>\n<translate>\n$1' );
}
// This is to add back the tags which were removed in cleanupTags()
if ( !pageContent.includes( '</translate>\n<span id="' + anchorID + '"' ) ) {
var spanSearchRegex = new RegExp( '(<span id="' + mw.util.escapeRegExp( anchorID ) + '"></span>)', 'gi' );
pageContent = pageContent.replace( spanSearchRegex, '\n</translate>\n$1\n</translate>\n' );
}
// Replace the link text with the anchorID defined above
// Regex: https://regex101.com/r/kB5bK3
var replaceAnchorRegex = new RegExp( '(\\[\\[#)' + headerText + '(.*\\]\\])', 'gi' );
return pageContent.replace( replaceAnchorRegex, '$1' +
anchorID.replace( '$', '$$$' ) + '$2' );
}
/**
* Convert all the links into the two-party form and add the 'Special:MyLanguage/' prefix
* to links in valid namespaces for the wiki. For example, [[Example]] would be converted
* to [[Special:MyLanguage/Example|Example]].
*
* @param {string} pageContent
* @return {string}
*/
function fixInternalLinks( pageContent ) {
var searchText = pageContent;
var categoryNsString = getNamespaceRegex( 14 );
var normalizeRegex = new RegExp( '\\[\\[(?!' + categoryNsString + ')([^|]*?)\\]\\]', 'gi' );
// First, convert all links into the two-party form.
// If a link is not having a pipe,
// add a pipe and duplicate the link text
// Regex: https://regex101.com/r/pO9nN2
pageContent = pageContent.replace( normalizeRegex, '[[$1|$1]]' );
var nsString = getNamespaceRegex( null );
// Finds all the links to sections on the same page.
// Regex: https://regex101.com/r/cX6jT3
var sectionLinksRegex = new RegExp( /\[\[#(.*?)(\|(.*?))?]]/gi );
var match = sectionLinksRegex.exec( searchText );
while ( match !== null ) {
pageContent = addAnchor( match[ 1 ], pageContent );
match = sectionLinksRegex.exec( searchText );
}
var linkPrefixRegex = new RegExp( '\\[\\[((?:(?:special(?!:MyLanguage\\b)|' + nsString +
'):)?[^:]*?)\\]\\]', 'gi' );
// Add the 'Special:MyLanguage/' prefix for all internal links of valid namespaces and
// main namespace.
// Regex: https://regex101.com/r/zZ9jH9
return pageContent.replace( linkPrefixRegex, '[[Special:MyLanguage/$1]]' );
}
/**
* Add translate tags around only translatable content for files and keep everything else
* as a part of the page template.
*
* @param {string} pageContent
* @return {string}
*/
function doFiles( pageContent ) {
var aliasList = getNamespaceRegex( 6 );
// Add translate tags for files with captions
var captionFilesRegex = new RegExp( '\\[\\[(' + aliasList + ')(.*\\|)(.*?)\\]\\]', 'gi' );
pageContent = pageContent.replace( captionFilesRegex,
'</translate>\n[[$1$2<translate>$3</translate>]]\n<translate>' );
// Add translate tags for files without captions
var fileRegex = new RegExp( '/\\[\\[((' + aliasList + ')[^\\|]*?)\\]\\]', 'gi' );
return pageContent.replace( fileRegex, '\n</translate>[[$1]]\n<translate>' );
}
/**
* Keep templates outside <translate>....</translate> tags.
* Does not deal with nested templates, needs manual changes.
*
* @param {string} pageContent
* @return {string} pageContent
*/
function doTemplates( pageContent ) {
// Regex: https://regex101.com/r/wA3iX0
var templateRegex = new RegExp( /^({{[\s\S]*?}})/gm );
return pageContent.replace( templateRegex, '</translate>\n$1\n<translate>' );
}
/**
* Cleanup done after the page is prepared for translation by the tool.
*
* @param {string} pageContent
* @return {string}
*/
function postPreparationCleanup( pageContent ) {
// Removes any extra newlines introduced by the tool
pageContent = pageContent.replace( /\n\n+/gi, '\n\n' );
// Removes redundant <translate> tags
pageContent = pageContent.replace( /\n<translate>(\n*?)<\/translate>/gi, '' );
// Removes the Special:MyLanguage/ prefix for section links
return pageContent.replace( /Special:MyLanguage\/#/gi, '#' );
}
/**
* Get the current revision for the given page.
*
* @param {string} pageName
* @return {jQuery.Promise}
*/
function getPageContent( pageName ) {
var api = new mw.Api();
return api.get( {
action: 'query',
prop: 'revisions',
rvprop: 'content',
rvlimit: '1',
formatversion: '2',
titles: pageName
} ).promise();
}
/**
* Get the diff between the current revision and the prepared page content.
*
* @param {string} pageName Page title
* @param {string} pageContent New content of the page
* @return {jQuery.Promise}
*/
function getDiff( pageName, pageContent ) {
var api = new mw.Api();
return api.post( {
action: 'compare',
prop: 'diff',
formatversion: '2',
fromtitle: pageName,
toslots: 'main',
'totext-main': pageContent
} ).promise();
}
/**
* Save the page with a given page name and given content to the wiki.
*
* @param {string} pageName Page title
* @param {string} pageContent Content of the page to be saved
* @param {string} summary Edit summary for the change
* @return {jQuery.Promise}
*/
function savePage( pageName, pageContent, summary ) {
var api = new mw.Api();
return api.postWithToken( 'csrf', {
action: 'edit',
title: pageName,
text: pageContent,
summary: summary
} ).promise();
}
/**
* Display error message to the user
*
* @param {string} errorMessage Error message to display to the user
*/
function displayError( errorMessage ) {
if ( errorMessage === undefined ) {
errorMessage = mw.msg( 'pp-unexpected-error' );
}
$( '.messageDiv' )
.text( errorMessage )
.removeClass( 'hide' )
.addClass( 'mw-message-box-error' );
}
/**
* Failure callback method for the prepare step
*
* @param {string} errorMessage Error message to display to the user
*/
function onPrepareFailure( errorMessage ) {
displayError( errorMessage );
$( '#action-prepare' ).prop( 'disabled', false );
}
$( function () {
var $input = $( '#page' );
var $messageDiv = $( '.messageDiv' );
$( '#action-cancel' ).on( 'click', function () {
document.location.reload( true );
} );
var pageContent;
$( '#action-save' ).on( 'click', function () {
var pageName = $input.val().trim();
$messageDiv.removeClass( 'mw-message-box-error mw-message-box-success' );
savePage( pageName, pageContent, $( '#pp-summary' ).val() ).done( function () {
var pageUrl = mw.Title.newFromText( pageName ).getUrl( { action: 'edit' } );
$messageDiv
.empty()
.append( mw.message( 'pp-save-message', pageUrl ).parseDom() )
.addClass( 'mw-message-box-success' )
.removeClass( 'hide' );
$( '.divDiff' ).addClass( 'hide' );
$( '#action-prepare' ).removeClass( 'hide' );
$input.val( '' );
$( '#action-save' ).addClass( 'hide' );
$( '#action-cancel' ).addClass( 'hide' );
} ).fail( function ( _code, data ) {
displayError( data.error.info );
} );
} );
$( '#action-prepare' ).on( 'click', function () {
var pageName = $input.val().trim();
$messageDiv.addClass( 'hide' ).removeClass( 'mw-message-box-error mw-message-box-success' );
if ( pageName === '' ) {
// eslint-disable-next-line no-alert
alert( mw.msg( 'pp-pagename-missing' ) );
return;
}
$( this ).prop( 'disabled', true );
getPageContent( pageName ).done( function ( contentData ) {
// Check if the page actually exists
if ( contentData.query.pages[ 0 ].revisions === undefined ) {
onPrepareFailure( mw.msg( 'pp-page-does-not-exist', pageName ) );
return $.Deferred().reject();
}
pageContent = contentData.query.pages[ 0 ].revisions[ 0 ].content.trim();
pageContent = cleanupTags( pageContent );
pageContent = addLanguageBar( pageContent );
pageContent = addTranslateTags( pageContent );
pageContent = addNewLines( pageContent );
pageContent = fixInternalLinks( pageContent );
pageContent = doTemplates( pageContent );
pageContent = doFiles( pageContent );
pageContent = doCategories( pageContent );
pageContent = postPreparationCleanup( pageContent );
pageContent = pageContent.trim();
getDiff( pageName, pageContent ).done( function ( diffData ) {
var diff = diffData.compare.body;
var $prepare = $( '#action-prepare' );
// Enable prepare button whether the diff failed or not, so it can be clicked again...
$prepare.prop( 'disabled', false );
$messageDiv.removeClass( 'hide' );
if ( diff === undefined ) {
onPrepareFailure( mw.msg( 'pp-diff-error' ) );
return $.Deferred().reject();
}
if ( diff !== '' ) {
$( '.diff tbody' ).html( diff );
$( '.divDiff' ).removeClass( 'hide' );
$messageDiv.text( mw.msg( 'pp-prepare-message' ) );
$prepare.addClass( 'hide' );
$( '#action-save' ).removeClass( 'hide' );
$( '#action-cancel' ).removeClass( 'hide' );
} else {
displayError( mw.msg( 'pp-already-prepared-message' ) );
}
} ).fail( function ( _code, errorData ) {
onPrepareFailure( errorData.error && errorData.error.info );
} );
} ).fail( function ( _code, errorData ) {
onPrepareFailure( errorData.error && errorData.error.info );
} );
} );
} );
}() );

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ext.translate.special.pagepreparation.js (12 KB)

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