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core: make .deprecate() warn only once

pull/5370/head
Brandon Benvie 2012-01-30 02:41:40 -05:00 committed by Ben Noordhuis
parent 5403a8ce4c
commit 52bd0f93bb
1 changed files with 15 additions and 6 deletions
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21
src/node.js
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@ -569,21 +569,30 @@
NativeModule._cache[this.id] = this;
};
// Wrap a core module's method in a wrapper that will warn on first use
// and then return the result of invoking the original function. After
// first being called the original method is restored.
NativeModule.prototype.deprecate = function(method, message) {
var original = this.exports[method];
var self = this;
var warned = false;
message = message || '';
Object.defineProperty(this.exports, method, {
enumerable: false,
value: function() {
message = self.id + '.' + method + ' is deprecated. ' + (message || '');
if (!warned) {
warned = true;
message = self.id + '.' + method + ' is deprecated. ' + message;
if ((new RegExp('\\b' + self.id + '\\b')).test(process.env.NODE_DEBUG))
console.trace(message);
else
console.error(message);
var moduleIdCheck = new RegExp('\\b' + self.id + '\\b');
if (moduleIdCheck.test(process.env.NODE_DEBUG))
console.trace(message);
else
console.error(message);
self.exports[method] = original;
self.exports[method] = original;
}
return original.apply(this, arguments);
}
});