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'use strict';
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const util = require('util');
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const stream = require('stream');
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const pipeline = util.promisify(stream.pipeline);
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const split = require('split2');
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const MetricsCollector = require('./metrics-collector');
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module.exports = async function metro ({ input = process.stdin, output = process.stdout, metrics = {} } = {}) {
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const metricsCollector = new MetricsCollector(metrics);
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const { stream: metricsStream } = metricsCollector;
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try {
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await metricsCollector.start();
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await pipeline(input, split(), metricsStream, output);
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} finally {
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await metricsCollector.stop();
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}
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};
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