58 lines
1.5 KiB
JavaScript
58 lines
1.5 KiB
JavaScript
importScripts('lib/underscore.js');
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onmessage = function(message) {
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function parseCSV(rawCSV) {
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var patterns = new RegExp((
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// Delimiters.
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"(\\,|\\r?\\n|\\r|^)" +
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// Quoted fields.
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"(?:\"([^\"]*(?:\"\"[^\"]*)*)\"|" +
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// Standard fields.
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"([^\"\\,\\r\\n]*))"
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), "gi");
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var rows = [[]], matches = null;
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while (matches = patterns.exec(rawCSV)) {
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var delimiter = matches[1];
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if (delimiter.length && (delimiter !== ",")) rows.push([]);
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if (matches[2]) {
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var value = matches[2].replace(new RegExp("\"\"", "g"), "\"");
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} else {
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var value = matches[3];
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}
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rows[rows.length - 1].push(value);
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}
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if(_.isEqual(rows[rows.length -1], [""])) rows.pop();
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var docs = [];
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var headers = _.first(rows);
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_.each(_.rest(rows), function(row, rowIDX) {
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var doc = {};
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_.each(row, function(cell, idx) {
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doc[headers[idx]] = cell;
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})
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docs.push(doc);
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})
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return docs;
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}
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var docs = parseCSV(message.data.data);
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var req = new XMLHttpRequest();
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req.onprogress = req.upload.onprogress = function(e) {
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if(e.lengthComputable) postMessage(JSON.stringify({ percent: (e.loaded / e.total) * 100 }));
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};
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req.onreadystatechange = function() { if (req.readyState == 4) postMessage(JSON.stringify( {done: true} )) };
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req.open('POST', message.data.url);
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req.setRequestHeader('Content-Type', 'application/json');
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req.send(JSON.stringify({docs: docs}));
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};
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