80 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			80 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| "use strict";
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| 
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| function findRelation_upToPath(urlObj, siteUrlObj, options)
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| {
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| 	// Path- or root-relative URL
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| 	var pathOnly = urlObj.extra.hrefInfo.minimumPathOnly;
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| 	
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| 	// Matching scheme, scheme-relative or path-only
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| 	var minimumScheme = (urlObj.scheme===siteUrlObj.scheme || !urlObj.scheme);
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| 	
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| 	// Matching auth, ignoring auth or path-only
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| 	var minimumAuth = minimumScheme && (urlObj.auth===siteUrlObj.auth || options.removeAuth || pathOnly);
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| 	
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| 	// Matching host or path-only
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| 	var www = options.ignore_www ? "stripped" : "full";
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| 	var minimumHost = minimumAuth && (urlObj.host[www]===siteUrlObj.host[www] || pathOnly);
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| 	
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| 	// Matching port or path-only
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| 	var minimumPort = minimumHost && (urlObj.port===siteUrlObj.port || pathOnly);
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| 	
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| 	urlObj.extra.relation.minimumScheme = minimumScheme;
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| 	urlObj.extra.relation.minimumAuth   = minimumAuth;
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| 	urlObj.extra.relation.minimumHost   = minimumHost;
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| 	urlObj.extra.relation.minimumPort   = minimumPort;
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| 	
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| 	urlObj.extra.relation.maximumScheme = !minimumScheme || minimumScheme && !minimumAuth;
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| 	urlObj.extra.relation.maximumAuth   = !minimumScheme || minimumScheme && !minimumHost;
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| 	urlObj.extra.relation.maximumHost   = !minimumScheme || minimumScheme && !minimumPort;
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| }
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| 
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| 
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| 
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| function findRelation_pathOn(urlObj, siteUrlObj, options)
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| {
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| 	var queryOnly = urlObj.extra.hrefInfo.minimumQueryOnly;
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| 	var hashOnly  = urlObj.extra.hrefInfo.minimumHashOnly;
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| 	var empty     = urlObj.extra.hrefInfo.empty;	// not required, but self-documenting
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| 	
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| 	// From upToPath()
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| 	var minimumPort   = urlObj.extra.relation.minimumPort;
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| 	var minimumScheme = urlObj.extra.relation.minimumScheme;
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| 	
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| 	// Matching port and path
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| 	var minimumPath = minimumPort && urlObj.path.absolute.string===siteUrlObj.path.absolute.string;
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| 	
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| 	// Matching resource or query/hash-only or empty
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| 	var matchingResource = (urlObj.resource===siteUrlObj.resource || !urlObj.resource && siteUrlObj.extra.resourceIsIndex) || (options.removeDirectoryIndexes && urlObj.extra.resourceIsIndex && !siteUrlObj.resource);
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| 	var minimumResource = minimumPath && (matchingResource || queryOnly || hashOnly || empty);
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| 	
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| 	// Matching query or hash-only/empty
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| 	var query = options.removeEmptyQueries ? "stripped" : "full";
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| 	var urlQuery = urlObj.query.string[query];
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| 	var siteUrlQuery = siteUrlObj.query.string[query];
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| 	var minimumQuery = (minimumResource && !!urlQuery && urlQuery===siteUrlQuery) || ((hashOnly || empty) && !urlObj.extra.hrefInfo.separatorOnlyQuery);
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| 	
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| 	var minimumHash = minimumQuery && urlObj.hash===siteUrlObj.hash;
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| 	
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| 	urlObj.extra.relation.minimumPath     = minimumPath;
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| 	urlObj.extra.relation.minimumResource = minimumResource;
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| 	urlObj.extra.relation.minimumQuery    = minimumQuery;
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| 	urlObj.extra.relation.minimumHash     = minimumHash;
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| 	
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| 	urlObj.extra.relation.maximumPort     = !minimumScheme || minimumScheme && !minimumPath;
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| 	urlObj.extra.relation.maximumPath     = !minimumScheme || minimumScheme && !minimumResource;
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| 	urlObj.extra.relation.maximumResource = !minimumScheme || minimumScheme && !minimumQuery;
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| 	urlObj.extra.relation.maximumQuery    = !minimumScheme || minimumScheme && !minimumHash;
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| 	urlObj.extra.relation.maximumHash     = !minimumScheme || minimumScheme && !minimumHash;	// there's nothing after hash, so it's the same as maximumQuery
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| 	
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| 	// Matching path and/or resource with existing but non-matching site query
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| 	urlObj.extra.relation.overridesQuery  = minimumPath && urlObj.extra.relation.maximumResource && !minimumQuery && !!siteUrlQuery;
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| }
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| 
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| 
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| 
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| module.exports =
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| {
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| 	pathOn:   findRelation_pathOn,
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| 	upToPath: findRelation_upToPath
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| };
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