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add safety nets for type errors in ioredis plugin #808

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Dec 19, 2019
Merged

add safety nets for type errors in ioredis plugin #808

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7 changes: 5 additions & 2 deletions packages/datadog-plugin-ioredis/src/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -5,10 +5,13 @@ const tx = require('../../dd-trace/src/plugins/util/redis')
function createWrapSendCommand (tracer, config) {
return function wrapSendCommand (sendCommand) {
return function sendCommandWithTrace (command, stream) {
const db = this.options.db
if (!command || !command.promise) return sendCommand.apply(this, arguments)

const options = this.options || {}
const db = options.db
const span = tx.instrument(tracer, config, db, command.name, command.args)

tx.setHost(span, this.options.host, this.options.port)
tx.setHost(span, options.host, options.port)
tx.wrap(span, command.promise)

return tracer.scope().bind(sendCommand, span).apply(this, arguments)
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