62 lines
1.4 KiB
JavaScript
62 lines
1.4 KiB
JavaScript
#!/usr/bin/env node
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'use strict'
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const fs = require('fs')
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const path = require('path')
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const check = require('check-types')
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const bfj = require('../src')
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const inPath = getDataPath('.json');
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let time = process.hrtime()
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if (process.argv.length === 4) {
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const stuff = []
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const stream = bfj.match(fs.createReadStream(inPath), process.argv[3])
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stream.on('data', thing => stuff.push(thing))
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stream.on('end', () => {
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reportTime()
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console.log('hooray!', stuff.length)
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fs.writeFileSync(getDataPath('-result.ndjson'), stuff.map(s => JSON.stringify(s)).join('\n'), {
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encoding: 'utf8',
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})
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process.exit(0)
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})
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stream.on('error', error => {
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console.error('error!', error.stack)
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process.exit(1)
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})
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stream.on('dataError', error => {
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console.error('dataError!', error.stack)
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process.exit(2)
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})
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} else {
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console.log('reading json')
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bfj.read(inPath)
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.then(data => {
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reportTime()
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console.log('writing json')
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return bfj.write(getDataPath('-result.json'), data)
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})
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.then(() => done('succeeded'))
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.catch(error => done(error.stack, 1))
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}
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function getDataPath (suffix) {
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return path.resolve(__dirname, process.argv[2] + suffix)
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}
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function reportTime () {
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let interimTime = process.hrtime(time)
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console.log('%d seconds and %d nanoseconds', interimTime[0], interimTime[1])
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time = process.hrtime()
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}
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function done (message, code) {
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reportTime()
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console.log(message)
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process.exit(code)
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}
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