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December 5, 2010 23:51
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Hooking into Node.js stdout
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var util = require('util') | |
function hook_stdout(callback) { | |
var old_write = process.stdout.write | |
process.stdout.write = (function(write) { | |
return function(string, encoding, fd) { | |
write.apply(process.stdout, arguments) | |
callback(string, encoding, fd) | |
} | |
})(process.stdout.write) | |
return function() { | |
process.stdout.write = old_write | |
} | |
} | |
console.log('a') | |
console.log('b') | |
var unhook = hook_stdout(function(string, encoding, fd) { | |
util.debug('stdout: ' + util.inspect(string)) | |
}) | |
console.log('c') | |
console.log('d') | |
unhook() | |
console.log('e') | |
console.log('f') |
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Thank you so much for this! I'm trying to make an advanced CLI for a nextjs app, but webpack uses
stdout
and messes up all of the formatting!