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39 lines
1 KiB
JavaScript
39 lines
1 KiB
JavaScript
// deno-fmt-ignore-file
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// deno-lint-ignore-file
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// Copyright Joyent and Node contributors. All rights reserved. MIT license.
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// Taken from Node 18.12.1
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// This file is automatically generated by `tools/node_compat/setup.ts`. Do not modify this file manually.
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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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