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Fix improper handling of msg.results in chunk callbacks (#964) #1076

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12 changes: 6 additions & 6 deletions papaparse.js
Original file line number Diff line number Diff line change
Expand Up @@ -568,8 +568,8 @@ License: MIT
this._halted = true;
return;
}
this._completeResults = results;
results = undefined;
this._completeResults = undefined;
}

if (!this._config.step && !this._config.chunk) {
Expand Down Expand Up @@ -1866,23 +1866,23 @@ License: MIT
if (aborted)
break;
}
delete msg.results; // free memory ASAP
}
else if (isFunction(worker.userChunk))
{
worker.userChunk(msg.results, handle, msg.file);
delete msg.results;
}
}

if (msg.finished && !aborted)
completeWorker(msg.workerId, msg.results);
completeWorker(msg.workerId, msg.results, msg.file);

delete msg.results;
}

function completeWorker(workerId, results) {
function completeWorker(workerId, results, file) {
var worker = workers[workerId];
if (isFunction(worker.userComplete))
worker.userComplete(results);
worker.userComplete(results, file);
worker.terminate();
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Could you elaborate why wee need to terminate the worker only when a function is defined?

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I think I may have unintentionally changed the original flow while modifying the code. I'll revert back to. Thank you.

delete workers[workerId];
}
Expand Down
24 changes: 24 additions & 0 deletions tests/test-cases.js
Original file line number Diff line number Diff line change
Expand Up @@ -2741,6 +2741,30 @@ var CUSTOM_TESTS = [
});
}
},
{
description: "Result is properly passed to complete callback with chunk option",
expected: {
data: [["H1", "H2", "H3"], ["d1", "d2", "d3"], ["d4", "d5", "d6"]],
errors: [],
meta: {
aborted: false,
cursor: 26,
delimiter: ",",
linebreak: "\n",
renamedHeaders: null,
truncated: false,
}
},
run: function(callback) {
Papa.parse('H1,H2,H3\nd1,d2,d3\nd4,d5,d6', {
worker: true,
chunk: function() {},
complete: function(results) {
callback(results);
}
});
}
},
];

describe('Custom Tests', function() {
Expand Down