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getValueSetCrawler.js
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getValueSetCrawler.js
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const _ = require('lodash');
const fetch = require('node-fetch');
const cheerio = require('cheerio');
const fs = require('fs');
const resources = require('./resources.json');
async function getValueSet (resourceName) {
let html = await fetch(`https://build.fhir.org/ig/hl7-eu/dgc/StructureDefinition-${resourceName}-dgc.html`);
let htmlText = await html.text();
let $ = cheerio.load(htmlText);
$(".list").each((i , e)=> {
if ($(e).prev().text().toLowerCase().includes("bindings")) {
let valueSetList = [];
let obj = {};
$(e).find("td").each((ti , te)=>{
if (ti > 2) {
if (ti % 3 == 0) {
obj.path = $(te).text().replace(`${resourceName}.` , "").replace(/:(.*)/gi , "");
} else if (ti % 3 == 1) {
obj.conformance = $(te).text();
} else {
obj.valueSet = $(te).find("a").attr("href");
if (!/^http/gi.test(obj.valueSet)) {
obj.valueSet = `https://build.fhir.org/ig/hl7-eu/dgc/${obj.valueSet}`;
}
obj.valueSet = obj.valueSet.replace(".html" , ".json");
valueSetList.push(obj);
obj = {};
}
}
});
fs.writeFileSync(`./resourceValueSet/${resourceName}.valueSet.json` , JSON.stringify(valueSetList , null , 4));
}
})
}
function valueSetCrawl() {
for (let resoruce of resources) {
getValueSet(resoruce)
}
}
module.exports = {
valueSetCrawl : valueSetCrawl
}