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Fix worker message, better error handling

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This commit is contained in:
Artur Adib 2012-01-19 14:19:19 -05:00
parent d9f1365b9c
commit 7f3d5ae6d3
2 changed files with 27 additions and 8 deletions
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24
src/worker.js
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@ -109,11 +109,27 @@ var WorkerMessageHandler = {
// Pre compile the pdf page and fetch the fonts/images.
IRQueue = page.getIRQueue(handler, dependency);
} catch (e) {
var minimumStackMessage =
'worker.js: while trying to getPage() and getIRQueue()';
// Turn the error into an obj that can be serialized
e = {
message: typeof e === 'object' ? e.message : e,
stack: typeof e === 'object' ? e.stack : null
};
if (typeof e === 'string') {
e = {
message: e,
stack: minimumStackMessage
};
} else if (typeof e === 'object') {
e = {
message: e.message || e.toString(),
stack: e.stack || minimumStackMessage
};
} else {
e = {
message: 'Unknown exception type: ' + (typeof e),
stack: minimumStackMessage
}
}
handler.send('page_error', {
pageNum: pageNum,
error: e