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Reads a JSON file in the format conforming to US govt CIO open data metadata guidelines and writes an HTML file conforming to Google and schema.org
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| /** | |
| * Reads a JSON file in the format conforming to the open data metadata guidelines | |
| * promulgated by the US Federal CIO office (https://project-open-data.cio.gov/v1.1/schema/) | |
| * and writes an HTML file conforming to Google and schema.org | |
| * https://developers.google.com/search/docs/data-types/dataset | |
| * http://schema.org/Dataset | |
| */ | |
| var fs = require('fs') | |
| const metadata = require('./meta.json') | |
| htmlfile = '<!DOCTYPE html>\n<html lang="en">\n<head>\n' | |
| htmlfile += '<meta name="viewport" content="width=device-width, initial-scale=1.0">\n' | |
| htmlfile += '<title>'+metadata.title+'</title>\n' | |
| htmlfile += '</head>\n' | |
| htmlfile += '<body>\n' | |
| htmlfile += '<h1>' + metadata.title + '</h1>\n' | |
| jsonld = '' | |
| htmlbody = '' | |
| metadata.datasets.forEach(dataset => { | |
| htmlbody += '<div itemscope itemtype="http://schema.org/Dataset" itemid="' + dataset.identifier + '">\n' | |
| htmlbody += '<meta itemprop="url" content="' + dataset.distribution[0].downloadURL + '"/>\n' | |
| jsonld += '<script type="application/ld+json">\n' | |
| jsonld += '{\n"@context": "http://schema.org",\n' | |
| jsonld += '"@type": "Dataset",\n' | |
| jsonld += '"identifier": "' + dataset.identifier + '",\n' | |
| jsonld += '"name": "' + dataset.title + '",\n' | |
| htmlbody += '<h2>' + dataset.title + '</h2>\n' | |
| htmlbody += '<i>(' + dataset.identifier + ')</i>\n' | |
| jsonld += '"description": "' + dataset.description + '",\n' | |
| htmlbody += '<div class="description">' + dataset.description + '</div>\n' | |
| if (dataset.publisher) { | |
| htmlbody += '<div itemprop="publisher" itemscope itemtype="http://schema.org/Organization">\n' | |
| htmlbody += 'Publisher: <span itemprop="name">' + dataset.publisher.name + '</span>\n' | |
| htmlbody += '</div>\n' | |
| } | |
| jsonld += '"version": "' + dataset.modified + '",\n' | |
| jsonld += '"keywords": ["' + dataset.keyword.join('","') + '"],\n' | |
| htmlbody += '<div class="keywords">Keywords: ' + dataset.keyword.toString() + '</div>\n' | |
| jsonld += '"distribution": [' | |
| dataset.distribution.forEach(distro => { | |
| jsonld += '{\n"fileFormat": "' + distro.format + '",\n' | |
| jsonld += '"contentUrl": "' + distro.downloadURL + '"\n},\n' | |
| if (distro.sizeInBytes) { | |
| mbsize = distro.sizeInBytes / 1000000 | |
| htmlbody += '<div itemprop="contentSize" content="' + mbsize.toString() + '">Size: ' + mbsize.toString() + ' MB</div>\n' | |
| } | |
| if (dataset.modified) { | |
| htmlbody += '<div itemprop="version" content="' + dataset.modified + '">Last Modified: ' + dataset.modified + '</div>\n' | |
| } | |
| htmlbody += '<div itemprop="encodingFormat" content="' + distro.mediaType + '" class="download-link">Download ' + distro.format + ': <a href="' + distro.downloadURL + '">' + distro.downloadURL + '</a></div>\n' | |
| }) | |
| jsonld = jsonld.substring(0, jsonld.length-2) | |
| jsonld += ']' | |
| jsonld += '}\n</script>\n' | |
| htmlbody += "</div>\n" | |
| }) | |
| htmlfile += jsonld | |
| htmlfile += htmlbody | |
| htmlfile += '</body></html>' | |
| fs.writeFile('index.html', htmlfile, err => { | |
| if (err) console.log(err) | |
| }) |
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