| 1 | function messageStdin (submissionStdin, solutionStdin, input, separator) {
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| 2 | const iv = setInterval(function () {
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| 3 | if (input.length) {
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| 4 | const msg = input.shift() + separator
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| 5 | submissionStdin.write(msg)
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| 6 | if (solutionStdin) solutionStdin.write(msg)
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| 7 | } else {
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| 8 | clearInterval(iv)
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| 9 | submissionStdin.end()
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| 10 | if (solutionStdin) solutionStdin.end()
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| 11 | }
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| 12 | }, 50)
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| 13 | }
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| 14 |
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| 15 | function stdinProcessor (exercise) {
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| 16 | exercise.addProcessor(function (mode, callback) {
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| 17 | const solutionStdin = (mode === 'verify') ? this.solutionChild.stdin : null
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| 18 | const separator = this.stdinMessageSeparator || ''
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| 19 |
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| 20 | messageStdin(this.submissionChild.stdin, solutionStdin, this.inputStdin, separator)
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| 21 |
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| 22 | process.nextTick(function () {
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| 23 | callback(null, true)
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| 24 | })
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| 25 | })
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| 26 |
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| 27 | return exercise
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| 28 | }
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| 29 |
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| 30 | module.exports = stdinProcessor
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