Marc Mintel
5397309103
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21 lines
479 B
Plaintext
21 lines
479 B
Plaintext
'use strict'
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const fs = require('node:fs')
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const { once } = require('node:events')
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const { Transform } = require('node:stream')
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async function run (opts) {
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if (!opts.destination) throw new Error('kaboom')
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const stream = fs.createWriteStream(opts.destination)
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await once(stream, 'open')
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const t = new Transform({
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transform (chunk, enc, cb) {
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setImmediate(cb, null, chunk.toString().toUpperCase())
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}
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})
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t.pipe(stream)
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return t
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}
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module.exports = run
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