mirror of
https://github.com/nodejs/node.git
synced 2024-12-01 16:10:02 +01:00
21130c7d6f
Turn on strict mode for the files in the lib/ directory. It helps catch bugs and can have a positive effect on performance. PR-URL: https://github.com/node-forward/node/pull/64 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Fedor Indutny <fedor@indutny.com>
115 lines
3.3 KiB
JavaScript
115 lines
3.3 KiB
JavaScript
// Copyright Joyent, Inc. and other Node contributors.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a
|
|
// copy of this software and associated documentation files (the
|
|
// "Software"), to deal in the Software without restriction, including
|
|
// without limitation the rights to use, copy, modify, merge, publish,
|
|
// distribute, sublicense, and/or sell copies of the Software, and to permit
|
|
// persons to whom the Software is furnished to do so, subject to the
|
|
// following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included
|
|
// in all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
|
|
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
|
|
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
|
|
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
|
|
// USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
|
|
'use strict';
|
|
|
|
var util = require('util');
|
|
|
|
function Console(stdout, stderr) {
|
|
if (!(this instanceof Console)) {
|
|
return new Console(stdout, stderr);
|
|
}
|
|
if (!stdout || !util.isFunction(stdout.write)) {
|
|
throw new TypeError('Console expects a writable stream instance');
|
|
}
|
|
if (!stderr) {
|
|
stderr = stdout;
|
|
}
|
|
var prop = {
|
|
writable: true,
|
|
enumerable: false,
|
|
configurable: true
|
|
};
|
|
prop.value = stdout;
|
|
Object.defineProperty(this, '_stdout', prop);
|
|
prop.value = stderr;
|
|
Object.defineProperty(this, '_stderr', prop);
|
|
prop.value = {};
|
|
Object.defineProperty(this, '_times', prop);
|
|
|
|
// bind the prototype functions to this Console instance
|
|
var keys = Object.keys(Console.prototype);
|
|
for (var v = 0; v < keys.length; v++) {
|
|
var k = keys[v];
|
|
this[k] = this[k].bind(this);
|
|
}
|
|
}
|
|
|
|
Console.prototype.log = function() {
|
|
this._stdout.write(util.format.apply(this, arguments) + '\n');
|
|
};
|
|
|
|
|
|
Console.prototype.info = Console.prototype.log;
|
|
|
|
|
|
Console.prototype.warn = function() {
|
|
this._stderr.write(util.format.apply(this, arguments) + '\n');
|
|
};
|
|
|
|
|
|
Console.prototype.error = Console.prototype.warn;
|
|
|
|
|
|
Console.prototype.dir = function(object, options) {
|
|
this._stdout.write(util.inspect(object, util._extend({
|
|
customInspect: false
|
|
}, options)) + '\n');
|
|
};
|
|
|
|
|
|
Console.prototype.time = function(label) {
|
|
this._times[label] = Date.now();
|
|
};
|
|
|
|
|
|
Console.prototype.timeEnd = function(label) {
|
|
var time = this._times[label];
|
|
if (!time) {
|
|
throw new Error('No such label: ' + label);
|
|
}
|
|
var duration = Date.now() - time;
|
|
this.log('%s: %dms', label, duration);
|
|
};
|
|
|
|
|
|
Console.prototype.trace = function trace() {
|
|
// TODO probably can to do this better with V8's debug object once that is
|
|
// exposed.
|
|
var err = new Error;
|
|
err.name = 'Trace';
|
|
err.message = util.format.apply(this, arguments);
|
|
Error.captureStackTrace(err, trace);
|
|
this.error(err.stack);
|
|
};
|
|
|
|
|
|
Console.prototype.assert = function(expression) {
|
|
if (!expression) {
|
|
var arr = Array.prototype.slice.call(arguments, 1);
|
|
require('assert').ok(false, util.format.apply(this, arr));
|
|
}
|
|
};
|
|
|
|
|
|
module.exports = new Console(process.stdout, process.stderr);
|
|
module.exports.Console = Console;
|