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Fix worker message, better error handling
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2 changed files with 27 additions and 8 deletions
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@ -109,11 +109,27 @@ var WorkerMessageHandler = {
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// Pre compile the pdf page and fetch the fonts/images.
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IRQueue = page.getIRQueue(handler, dependency);
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} catch (e) {
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var minimumStackMessage =
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'worker.js: while trying to getPage() and getIRQueue()';
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// Turn the error into an obj that can be serialized
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e = {
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message: typeof e === 'object' ? e.message : e,
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stack: typeof e === 'object' ? e.stack : null
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};
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if (typeof e === 'string') {
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e = {
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message: e,
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stack: minimumStackMessage
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};
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} else if (typeof e === 'object') {
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e = {
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message: e.message || e.toString(),
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stack: e.stack || minimumStackMessage
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};
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} else {
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e = {
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message: 'Unknown exception type: ' + (typeof e),
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stack: minimumStackMessage
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}
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}
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handler.send('page_error', {
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pageNum: pageNum,
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error: e
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