dgeni-alive
Version:
Live doc generator on top of Dgeni
92 lines (74 loc) • 2.97 kB
JavaScript
var _ = require('lodash');
var path = require('path');
/**
* @dgService getLinkInfo
* @description
* Get link information to a document that matches the given url
* @kind function
* @param {String} url The url to match
* @param {String} title An optional title to return in the link information
* @return {Object} The link information
*
* @property {boolean} relativeLinks Whether we expect the links to be relative to the originating doc
*/
module.exports = function getLinkInfo(getDocFromAlias, encodeCodeBlock, log) {
function getLinkInfoImpl(url, title, currentDoc) {
var linkInfo = {
url: url,
type: 'url',
valid: true,
title: title || url
};
if ( !url ) {
throw new Error('Invalid url');
}
var docs = getDocFromAlias(url, currentDoc);
if ( !getLinkInfoImpl.useFirstAmbiguousLink && docs.length > 1 ) {
linkInfo.valid = false;
linkInfo.errorType = 'ambiguous';
linkInfo.error = 'Ambiguous link: "' + url + '".\n' +
docs.reduce(function(msg, doc) { return msg + '\n "' + doc.id + '" ('+ doc.docType + ') : (' + doc.path + ' / ' + doc.fileInfo.relativePath + ')'; }, 'Matching docs: ');
} else if ( docs.length >= 1 ) {
linkInfo.url = docs[0].path;
linkInfo.title = title || docs[0].name;
linkInfo.type = 'doc';
if ( getLinkInfoImpl.relativeLinks && currentDoc && currentDoc.path ) {
var currentFolder = path.dirname(currentDoc.path);
var docFolder = path.dirname(linkInfo.url);
var relativeFolder = path.relative(path.join('/', currentFolder), path.join('/', docFolder));
linkInfo.url = path.join(relativeFolder, path.basename(linkInfo.url));
log.debug(currentDoc.path, docs[0].path, linkInfo.url);
}
} else if ( url.indexOf('#') > 0 ) {
var pathAndHash = url.split('#');
linkInfo = getLinkInfoImpl(pathAndHash[0], title, currentDoc);
linkInfo.url = linkInfo.url + '#' + pathAndHash[1];
return linkInfo;
} else if ( url.indexOf('/') === -1 && url.indexOf('#') !== 0 ) {
var valid = false;
// extension point, check url against externals
if (getLinkInfoImpl.externalLinks) {
var link = _.find(getLinkInfoImpl.externalLinks, function (link) {
return link.test(url);
});
if (link) {
linkInfo.url = link.url(url);
linkInfo.title = title || link.title(url);
linkInfo.type = 'doc';
linkInfo.external = true;
valid = true;
}
}
if (!valid) {
linkInfo.valid = false;
linkInfo.errorType = 'missing';
linkInfo.error = 'Invalid link (does not match any doc): "' + url + '"';
}
} else {
linkInfo.title = title || (( url.indexOf('#') === 0 ) ? url.substring(1) : path.basename(url, '.html'));
}
return linkInfo;
};
getLinkInfoImpl.externalLinks = [];
return getLinkInfoImpl;
};