37 lines
858 B
JavaScript
37 lines
858 B
JavaScript
// Example of a "raw" stream in a Bunyan Logger. A raw stream is one to
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// which log record *objects* are written instead of the JSON-serialized
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// string.
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var Logger = require('../lib/bunyan');
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/**
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* A raw Bunyan Logger stream object. It takes raw log records and writes
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* them to stdout with an added "yo": "yo" field.
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*/
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function MyRawStream() {}
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MyRawStream.prototype.write = function (rec) {
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if (typeof (rec) !== 'object') {
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console.error('error: raw stream got a non-object record: %j', rec)
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} else {
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rec.yo = 'yo';
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process.stdout.write(JSON.stringify(rec) + '\n');
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}
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}
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// A Logger using the raw stream.
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var log = new Logger({
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name: 'raw-example',
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streams: [
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{
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level: 'info',
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stream: new MyRawStream(),
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raw: true
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},
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]
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});
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log.info('hi raw stream');
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log.info({foo: 'bar'}, 'added "foo" key');
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