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util: add internal function _deprecationWarning()

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This commit is contained in:
Ben Noordhuis 2011-12-14 13:28:51 +01:00
parent d29be0dfa2
commit 97900776bb
3 changed files with 20 additions and 15 deletions
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8
lib/os.js
View File

@ -37,12 +37,8 @@ exports.platform = function() {
return process.platform;
};
var warnNetworkInterfaces = true;
exports.getNetworkInterfaces = function() {
if (warnNetworkInterfaces) {
console.error("os.getNetworkInterfaces() is deprecated - use os.networkInterfaces()");
console.trace();
warnNetworkInterfaces = false;
}
require('util')._deprecationWarning('os',
'os.getNetworkInterfaces() is deprecated - use os.networkInterfaces()');
return exports.networkInterfaces();
};

11
lib/sys.js
View File

@ -21,15 +21,8 @@
var util = require('util');
var sysWarning;
if (!sysWarning) {
sysWarning = 'The "sys" module is now called "util". ' +
'It should have a similar interface.';
if (process.env.NODE_DEBUG && process.env.NODE_DEBUG.indexOf('sys') != -1)
console.trace(sysWarning);
else
console.error(sysWarning);
}
util._deprecationWarning('sys',
'The "sys" module is now called "util". It should have a similar interface.');
exports.print = util.print;
exports.puts = util.puts;

16
lib/util.js
View File

@ -518,3 +518,19 @@ exports.inherits = function(ctor, superCtor) {
}
});
};
var deprecationWarnings;
exports._deprecationWarning = function(moduleId, message) {
if (!deprecationWarnings)
deprecationWarnings = {};
else if (message in deprecationWarnings)
return;
deprecationWarnings[message] = true;
if ((new RegExp('\\b' + moduleId + '\\b')).test(process.env.NODE_DEBUG))
console.trace(message);
else
console.error(message);
};