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pyRCV2/worker.js

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importScripts('http://peterolson.github.com/BigRational.js/BigInt_BigRat.min.js', 'bundle.js');
onmessage = function(evt) {
let election = py.pyRCV2.blt.readBLT(evt.data);
postMessage({'type': 'init', 'election': {
'candidates': election.candidates.map(c => c.py_name)
}});
// Create counter
let counter = py.pyRCV2.method.STVCCounter.STVCCounter(election);
// Reset
let result = counter.reset();
postMessage({'type': 'result', 'result': {
'comment': result.comment,
'candidates': result.candidates.py_items().map(([c, cc]) => [c.py_name, {
'transfers': cc.transfers.pp(2),
'votes': cc.votes.pp(2),
'state': cc.state
}]),
'exhausted': {
'transfers': result.exhausted.transfers.pp(2),
'votes': result.exhausted.votes.pp(2)
},
'quota': result.quota.pp(2)
}});
// Step election
while (true) {
result = counter.step();
if (py.isinstance(result, py.pyRCV2.model.CountCompleted)) {
postMessage({'type': 'done'});
break;
} else {
postMessage({'type': 'result', 'result': {
'comment': result.comment,
'candidates': result.candidates.py_items().map(([c, cc]) => [c.py_name, {
'transfers': cc.transfers.pp(2),
'votes': cc.votes.pp(2),
'state': cc.state
}]),
'exhausted': {
'transfers': result.exhausted.transfers.pp(2),
'votes': result.exhausted.votes.pp(2)
},
'quota': result.quota.pp(2)
}});
}
}
}