5da834f685Move the hijackstdio functions out of common so that they are imported only into the tests that actually need them PR-URL: https://github.com/nodejs/node/pull/22462 Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Refael Ackermann <refack@gmail.com> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
33 lines
836 B
JavaScript
33 lines
836 B
JavaScript
/* eslint-disable node-core/required-modules */
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'use strict';
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// Hijack stdout and stderr
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const stdWrite = {};
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function hijackStdWritable(name, listener) {
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const stream = process[name];
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const _write = stdWrite[name] = stream.write;
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stream.writeTimes = 0;
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stream.write = function(data, callback) {
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try {
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listener(data);
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} catch (e) {
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process.nextTick(() => { throw e; });
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}
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_write.call(stream, data, callback);
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stream.writeTimes++;
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};
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}
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function restoreWritable(name) {
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process[name].write = stdWrite[name];
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delete process[name].writeTimes;
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}
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module.exports = {
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hijackStdout: hijackStdWritable.bind(null, 'stdout'),
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hijackStderr: hijackStdWritable.bind(null, 'stderr'),
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restoreStdout: restoreWritable.bind(null, 'stdout'),
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restoreStderr: restoreWritable.bind(null, 'stderr')
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};
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