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@ -1,37 +1,60 @@
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/* eslint-disable */
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const lineReader = require('readline');
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const zlib = require('zlib');
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var icao;
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async function asyncForEach(array, callback) {
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logger('info', "AsyncForEach Len " + array.length);
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for (let index = 0; index < array.length; index++) {
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try {
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var res = await callback(array[index], index, array);
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logger('info', "Index " + index + " " + res);
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} catch (error) {
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logger('error', error);
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}
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}
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}
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var scanMethods = {
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1: (l, apts) => {
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logger('info', 'Airport:', l);
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icao = l[4];
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saveName(apts, l[4], l.slice(5).join(' ').replace('\t', ' '));
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1: async (l, apts) => {
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var promise = new Promise(function (resolve, reject) {
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logger('info', 'Airport:', l);
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icao = l[4];
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saveName(apts, l[4], l.slice(5).join(' ').replace('\t', ' '))
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.then(result => {
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resolve(result)
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}).catch( err => {reject(err)});
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});
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return promise;
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},
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14: (l, apts) => {
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logger('info','Viewport:', l);
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saveCoordinates(apts, icao, l[1], l[2]);
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14: async (l, apts) => {
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var promise = new Promise(function (resolve, reject) {
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logger('info','Viewport:', l);
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saveCoordinates(apts, icao, l[1], l[2]).then(result => {
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resolve(result)
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}).catch( err => {reject(err)});;
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});
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return promise;
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},
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99: (l) => {
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99: async (l) => {
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logger('info','Finished');
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}
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};
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async function saveName(features, icao, name) {
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var promise = new Promise(function (resolve, reject) {
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var transaction = features.transaction("airports", "readwrite");
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var objectStore = transaction.objectStore("airports");
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var index = objectStore.index('icaoIndex');
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var objectStoreRequest = index.get(icao);
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var objectGetRequest = index.get(icao);
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objectStoreRequest.onsuccess = function (event) {
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logger('info',event);
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objectGetRequest.onsuccess = function (event) {
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logger('info', 'objectGetRequest', event);
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var feature = event.target.result;
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if (!feature) {
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feature = {
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"type": "Feature",
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'properties': { 'icao': icao, 'twr': false, 'threshold': false, 'flights': 0, airlines: [] },
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'properties': { 'icao': icao, 'name': '', 'twr': false, 'threshold': false, 'flights': 0, airlines: [] },
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'geometry': {
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"type": "Point"
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}
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@ -39,25 +62,25 @@ async function saveName(features, icao, name) {
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}
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feature.properties.name = name;
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feature.properties.icao = icao;
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logger('info',"ICAO : " + feature.properties.icao + " Name : " + name );
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logger('info',"Storing ICAO : " + feature.properties.icao + " Name : " + name );
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// Create another request that inserts the item back into the database
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var updateAirportRequest = objectStore.put(feature);
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// Log the transaction that originated this request
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logger('info',"The transaction that originated this request is " + updateAirportRequest.updateAirportRequest);
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logger('info',"The transaction that originated this request is " + updateAirportRequest);
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// When this new request succeeds, run the displayData() function again to update the display
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updateAirportRequest.onsuccess = function () {
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logger('info',"Stored");
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resolve();
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updateAirportRequest.onsuccess = function (event) {
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logger('info',"Stored Name : " + event.target.result);
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resolve(event.target.result);
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};
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updateAirportRequest.onerror = function (event) {
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logger('info',"Error " + event);
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logger('info',"Error ", event);
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reject(event);
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};
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};
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objectStoreRequest.onerror = function (event) {
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logger('info',"Error " + event);
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objectGetRequest.onerror = function (event) {
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logger('info',"Error ", event);
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reject(event);
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};
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});
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@ -73,12 +96,12 @@ async function saveCoordinates(features, icao, lat, lon) {
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var objectStoreRequest = index.get(icao);
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objectStoreRequest.onsuccess = function (event) {
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logger('info',event);
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logger('info', 'objectStoreRequest',event);
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var feature = event.target.result;
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if (!feature) {
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feature = {
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"type": "Feature",
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'properties': { 'icao': icao, 'twr': false, 'threshold': false, 'flights': 0, airlines: [] },
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'properties': { 'icao': icao, 'name': '', 'twr': false, 'threshold': false, 'flights': 0, airlines: [] },
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'geometry': {
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"type": "Point"
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}
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@ -90,12 +113,12 @@ async function saveCoordinates(features, icao, lat, lon) {
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var updateAirportRequest = objectStore.put(feature);
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// Log the transaction that originated this request
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logger('info',"The transaction that originated this request is " + updateAirportRequest.updateAirportRequest);
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logger('info',"The transaction that originated this request is " + updateAirportRequest);
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// When this new request succeeds, run the displayData() function again to update the display
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updateAirportRequest.onsuccess = function (event) {
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logger('info',"Stored", event);
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resolve();
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logger('info',"Stored Position : " + event.target.result);
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resolve("Stored Position : " + event.target.result);
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};
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updateAirportRequest.onerror = function (event) {
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logger('info',"Error ", event);
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@ -116,7 +139,8 @@ async function scanAPTIntoDB(f, features) {
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var i;
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var count = 0;
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var postMessage = this.postMessage;
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require('fs').createReadStream(f)
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var lines = [];
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require('fs').createReadStream(f).pipe(zlib.createGunzip())
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.on('data', function(chunk) {
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for (i=0; i < chunk.length; ++i)
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if (chunk[i] == 10) count++;
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@ -125,30 +149,46 @@ async function scanAPTIntoDB(f, features) {
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postMessage(['max', count]);
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console.log('Line Count',count);
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lineReader.createInterface({
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input: fs.createReadStream(f)
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input: fs.createReadStream(f).pipe(zlib.createGunzip())
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}).on('line', function (line) {
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postMessage(['progress', 1]);
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lines.push(line);
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var fields = line.split(/[ ]+/);
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// var fields = line.match('([0-9]+)');
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if (fields == null)
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return;
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var scanMethod = scanMethods[fields[0]];
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if (scanMethod != null) {
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scanMethod(fields, features);
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}
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else {
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if (fields[0] == '99') {
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lineReader.close();
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}
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// logger('info','Ignored:', line);
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if (fields[0] == '99') {
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logger('info',"End Reading");
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}
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}).on('error', function (err) {
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logger('info',err);
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lr.close();
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}).on('close', function () {
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logger('info',"End");
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features.close();
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postMessage('DONE');
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}).on('close', async function () {
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logger('info',"End File Read");
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asyncForEach(lines, async line => {
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//await waitFor(5000);
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try {
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postMessage(['progress', 1]);
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var fields = line.split(/[ ]+/);
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// var fields = line.match('([0-9]+)');
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if (fields != null) {
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var scanMethod = scanMethods[fields[0]];
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if (scanMethod != null) {
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var text = await scanMethod(fields, features);
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logger('info', 'Scanned', text);
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resolve(text);
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} else {
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resolve('Ignored ' + line);
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}
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}
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} catch (error) {
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logger('error', error);
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reject(error);
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}
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}).then(t => {
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logger('info', "Finished");
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postMessage('DONE');
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}).catch(reason => {
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logger('error', "Crashed");
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logger('error', reason);
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postMessage('DONE');
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});
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});
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});
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} catch (error) {
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