72 lines
2.4 KiB
JavaScript
72 lines
2.4 KiB
JavaScript
var _ = require('lodash');
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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 function getLinkInfoImpl(url, title, currentDoc) {
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var linkInfo = {
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url: url,
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type: 'url',
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valid: true,
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title: title || url
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};
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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' +
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docs.reduce(function(msg, doc) { return msg + '\n "' + doc.id + '" ('+ doc.docType + ') : (' + doc.path + ' / ' + doc.fileInfo.relativePath + ')'; }, '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 || 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 = 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 = title || (( url.indexOf('#') === 0 ) ? url.substring(1) : path.basename(url, '.html'));
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}
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return linkInfo;
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};
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}; |