wallet-core/node_modules/map-stream/package/examples/pretty.js

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2016-10-10 03:43:44 +02:00
var inspect = require('util').inspect
if(!module.parent) {
var map = require('..') //load map-stream
var es = require('event-stream') //load event-stream
es.pipe( //pipe joins streams together
process.openStdin(), //open stdin
es.split(), //split stream to break on newlines
map(function (data, callback) { //turn this async function into a stream
var j
try {
j = JSON.parse(data) //try to parse input into json
} catch (err) {
return callback(null, data) //if it fails just pass it anyway
}
callback(null, inspect(j)) //render it nicely
}),
process.stdout // pipe it to stdout !
)
}
// run this
//
// curl -sS registry.npmjs.org/event-stream | node pretty.js
//