The disambiguation needs to be done earlier so that the auto-link-code post-processor can benefit from it. PR Close #22494
		
			
				
	
	
		
			74 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			74 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
var path = require('canonical-path');
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/**
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 * @dgService getLinkInfo
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 * @description
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 * Get link information to a document that matches the given url
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 * @kind function
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 * @param  {String} url   The url to match
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 * @param  {String} title An optional title to return in the link information
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 * @return {Object}       The link information
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 *
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 * @property {boolean} relativeLinks Whether we expect the links to be relative to the originating doc
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 */
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module.exports = function getLinkInfo(getDocFromAlias, encodeCodeBlock, log) {
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  return getLinkInfoImpl;
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  function getLinkInfoImpl(url, title, currentDoc) {
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    var linkInfo = {url: url, type: 'url', valid: true, title: title || url};
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    if (!url) {
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      throw new Error('Invalid url');
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    }
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    var docs = getDocFromAlias(url, currentDoc);
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    if (!getLinkInfoImpl.useFirstAmbiguousLink && docs.length > 1) {
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      linkInfo.valid = false;
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      linkInfo.errorType = 'ambiguous';
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      linkInfo.error = 'Ambiguous link: "' + url + '".\n' + docs.reduce(function(msg, doc) {
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        return msg + '\n  "' + doc.id + '" (' + doc.docType + ') : (' + doc.path + ' / ' +
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            doc.fileInfo.relativePath + ')';
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      }, 'Matching docs: ');
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    } else if (docs.length >= 1) {
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      linkInfo.url = docs[0].path;
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      linkInfo.title = title || docs[0].title || docs[0].name && encodeCodeBlock(docs[0].name, true);
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      linkInfo.type = 'doc';
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      if (getLinkInfoImpl.relativeLinks && currentDoc && currentDoc.path) {
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        var currentFolder = path.dirname(currentDoc.path);
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        var docFolder = path.dirname(linkInfo.url);
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        var relativeFolder =
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            path.relative(path.join('/', currentFolder), path.join('/', docFolder));
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        linkInfo.url = path.join(relativeFolder, path.basename(linkInfo.url));
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        log.debug(currentDoc.path, docs[0].path, linkInfo.url);
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      }
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    } else if (url.indexOf('#') > 0) {
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      var pathAndHash = url.split('#');
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      linkInfo = getLinkInfoImpl(pathAndHash[0], title, currentDoc);
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      linkInfo.url = linkInfo.url + '#' + pathAndHash[1];
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      return linkInfo;
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    } else if (url.indexOf('/') === -1 && url.indexOf('#') !== 0) {
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      linkInfo.valid = false;
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      linkInfo.errorType = 'missing';
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      linkInfo.error = 'Invalid link (does not match any doc): "' + url + '"';
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    } else {
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      linkInfo.title =
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          title || ((url.indexOf('#') === 0) ? url.substring(1) : path.basename(url, '.html'));
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    }
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    if (linkInfo.title === undefined) {
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      linkInfo.valid = false;
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      linkInfo.errorType = 'no-title';
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      linkInfo.error = 'The link is missing a title';
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    }
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    return linkInfo;
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  }
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};
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