var utils = require( 'ext.discussionTools.init' ).utils; module.exports = {}; /** * Override mw.config with the given data. Used for testing different languages etc. * (Automatically restored after every test by QUnit.newMwEnvironment.) * * @param {Object} config */ module.exports.overrideMwConfig = function ( config ) { Object.assign( mw.config.values, config ); }; /** * Return the node that is expected to contain thread items. * * @param {Document} doc * @return {Element} */ module.exports.getThreadContainer = function ( doc ) { // In tests created from Parsoid output, comments are contained directly in . // In tests created from old parser output, comments are contained in

. var body = doc.body; var wrapper = body.querySelector( 'div.mw-parser-output' ); return wrapper || body; }; /** * Get the offset path from ancestor to offset in descendant * * @param {Node} ancestor The ancestor node * @param {Node} node The descendant node * @param {number} nodeOffset The offset in the descendant node * @return {string} The offset path */ function getOffsetPath( ancestor, node, nodeOffset ) { var path = [ nodeOffset ]; while ( node !== ancestor ) { if ( node.parentNode === null ) { // eslint-disable-next-line no-console console.log( node, 'is not a descendant of', ancestor ); throw new Error( 'Not a descendant' ); } path.unshift( utils.childIndexOf( node ) ); node = node.parentNode; } return path.join( '/' ); } function getPathsFromRange( root, range ) { return [ getOffsetPath( root, range.startContainer, range.startOffset ), getOffsetPath( root, range.endContainer, range.endOffset ) ]; } /** * Massage comment data to make it serializable as JSON. * * @param {CommentItem} parent Comment item; modified in-place * @param {Node} root Ancestor node of all comments */ module.exports.serializeComments = function ( parent, root ) { if ( !parent.range.startContainer ) { // Already done as part of a different thread return; } // Can't serialize circular structures to JSON delete parent.parent; // Can't serialize the DOM nodes involved in the range, // instead use their offsets within their parent nodes parent.range = getPathsFromRange( root, parent.range ); if ( parent.signatureRanges ) { parent.signatureRanges = parent.signatureRanges.map( ( range ) => getPathsFromRange( root, range ) ); } if ( parent.timestampRanges ) { parent.timestampRanges = parent.timestampRanges.map( ( range ) => getPathsFromRange( root, range ) ); } if ( parent.timestamp ) { parent.timestamp = parent.getTimestampString(); } if ( !parent.displayName ) { delete parent.displayName; } // Unimportant delete parent.rootNode; // Ignore generated properties delete parent.authors; delete parent.commentCount; delete parent.oldestReply; delete parent.latestReply; parent.replies.forEach( ( comment ) => { module.exports.serializeComments( comment, root ); } ); };