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				16 KiB
			
		
		
			
		
	
	
					604 lines
				
				16 KiB
			| 
											3 years ago
										 | diff --git a/lib/util.js b/lib/util.js
 | ||
|  | index a03e874..9074e8e 100644
 | ||
|  | --- a/lib/util.js
 | ||
|  | +++ b/lib/util.js
 | ||
|  | @@ -19,430 +19,6 @@
 | ||
|  |  // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE | ||
|  |  // USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
|  | 
 | ||
|  | -var formatRegExp = /%[sdj%]/g;
 | ||
|  | -exports.format = function(f) {
 | ||
|  | -  if (!isString(f)) {
 | ||
|  | -    var objects = [];
 | ||
|  | -    for (var i = 0; i < arguments.length; i++) {
 | ||
|  | -      objects.push(inspect(arguments[i]));
 | ||
|  | -    }
 | ||
|  | -    return objects.join(' ');
 | ||
|  | -  }
 | ||
|  | -
 | ||
|  | -  var i = 1;
 | ||
|  | -  var args = arguments;
 | ||
|  | -  var len = args.length;
 | ||
|  | -  var str = String(f).replace(formatRegExp, function(x) {
 | ||
|  | -    if (x === '%%') return '%';
 | ||
|  | -    if (i >= len) return x;
 | ||
|  | -    switch (x) {
 | ||
|  | -      case '%s': return String(args[i++]);
 | ||
|  | -      case '%d': return Number(args[i++]);
 | ||
|  | -      case '%j':
 | ||
|  | -        try {
 | ||
|  | -          return JSON.stringify(args[i++]);
 | ||
|  | -        } catch (_) {
 | ||
|  | -          return '[Circular]';
 | ||
|  | -        }
 | ||
|  | -      default:
 | ||
|  | -        return x;
 | ||
|  | -    }
 | ||
|  | -  });
 | ||
|  | -  for (var x = args[i]; i < len; x = args[++i]) {
 | ||
|  | -    if (isNull(x) || !isObject(x)) {
 | ||
|  | -      str += ' ' + x;
 | ||
|  | -    } else {
 | ||
|  | -      str += ' ' + inspect(x);
 | ||
|  | -    }
 | ||
|  | -  }
 | ||
|  | -  return str;
 | ||
|  | -};
 | ||
|  | -
 | ||
|  | -
 | ||
|  | -// Mark that a method should not be used.
 | ||
|  | -// Returns a modified function which warns once by default.
 | ||
|  | -// If --no-deprecation is set, then it is a no-op.
 | ||
|  | -exports.deprecate = function(fn, msg) {
 | ||
|  | -  // Allow for deprecating things in the process of starting up.
 | ||
|  | -  if (isUndefined(global.process)) {
 | ||
|  | -    return function() {
 | ||
|  | -      return exports.deprecate(fn, msg).apply(this, arguments);
 | ||
|  | -    };
 | ||
|  | -  }
 | ||
|  | -
 | ||
|  | -  if (process.noDeprecation === true) {
 | ||
|  | -    return fn;
 | ||
|  | -  }
 | ||
|  | -
 | ||
|  | -  var warned = false;
 | ||
|  | -  function deprecated() {
 | ||
|  | -    if (!warned) {
 | ||
|  | -      if (process.throwDeprecation) {
 | ||
|  | -        throw new Error(msg);
 | ||
|  | -      } else if (process.traceDeprecation) {
 | ||
|  | -        console.trace(msg);
 | ||
|  | -      } else {
 | ||
|  | -        console.error(msg);
 | ||
|  | -      }
 | ||
|  | -      warned = true;
 | ||
|  | -    }
 | ||
|  | -    return fn.apply(this, arguments);
 | ||
|  | -  }
 | ||
|  | -
 | ||
|  | -  return deprecated;
 | ||
|  | -};
 | ||
|  | -
 | ||
|  | -
 | ||
|  | -var debugs = {};
 | ||
|  | -var debugEnviron;
 | ||
|  | -exports.debuglog = function(set) {
 | ||
|  | -  if (isUndefined(debugEnviron))
 | ||
|  | -    debugEnviron = process.env.NODE_DEBUG || '';
 | ||
|  | -  set = set.toUpperCase();
 | ||
|  | -  if (!debugs[set]) {
 | ||
|  | -    if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) {
 | ||
|  | -      var pid = process.pid;
 | ||
|  | -      debugs[set] = function() {
 | ||
|  | -        var msg = exports.format.apply(exports, arguments);
 | ||
|  | -        console.error('%s %d: %s', set, pid, msg);
 | ||
|  | -      };
 | ||
|  | -    } else {
 | ||
|  | -      debugs[set] = function() {};
 | ||
|  | -    }
 | ||
|  | -  }
 | ||
|  | -  return debugs[set];
 | ||
|  | -};
 | ||
|  | -
 | ||
|  | -
 | ||
|  | -/**
 | ||
|  | - * Echos the value of a value. Trys to print the value out
 | ||
|  | - * in the best way possible given the different types.
 | ||
|  | - *
 | ||
|  | - * @param {Object} obj The object to print out.
 | ||
|  | - * @param {Object} opts Optional options object that alters the output.
 | ||
|  | - */
 | ||
|  | -/* legacy: obj, showHidden, depth, colors*/
 | ||
|  | -function inspect(obj, opts) {
 | ||
|  | -  // default options
 | ||
|  | -  var ctx = {
 | ||
|  | -    seen: [],
 | ||
|  | -    stylize: stylizeNoColor
 | ||
|  | -  };
 | ||
|  | -  // legacy...
 | ||
|  | -  if (arguments.length >= 3) ctx.depth = arguments[2];
 | ||
|  | -  if (arguments.length >= 4) ctx.colors = arguments[3];
 | ||
|  | -  if (isBoolean(opts)) {
 | ||
|  | -    // legacy...
 | ||
|  | -    ctx.showHidden = opts;
 | ||
|  | -  } else if (opts) {
 | ||
|  | -    // got an "options" object
 | ||
|  | -    exports._extend(ctx, opts);
 | ||
|  | -  }
 | ||
|  | -  // set default options
 | ||
|  | -  if (isUndefined(ctx.showHidden)) ctx.showHidden = false;
 | ||
|  | -  if (isUndefined(ctx.depth)) ctx.depth = 2;
 | ||
|  | -  if (isUndefined(ctx.colors)) ctx.colors = false;
 | ||
|  | -  if (isUndefined(ctx.customInspect)) ctx.customInspect = true;
 | ||
|  | -  if (ctx.colors) ctx.stylize = stylizeWithColor;
 | ||
|  | -  return formatValue(ctx, obj, ctx.depth);
 | ||
|  | -}
 | ||
|  | -exports.inspect = inspect;
 | ||
|  | -
 | ||
|  | -
 | ||
|  | -// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
 | ||
|  | -inspect.colors = {
 | ||
|  | -  'bold' : [1, 22],
 | ||
|  | -  'italic' : [3, 23],
 | ||
|  | -  'underline' : [4, 24],
 | ||
|  | -  'inverse' : [7, 27],
 | ||
|  | -  'white' : [37, 39],
 | ||
|  | -  'grey' : [90, 39],
 | ||
|  | -  'black' : [30, 39],
 | ||
|  | -  'blue' : [34, 39],
 | ||
|  | -  'cyan' : [36, 39],
 | ||
|  | -  'green' : [32, 39],
 | ||
|  | -  'magenta' : [35, 39],
 | ||
|  | -  'red' : [31, 39],
 | ||
|  | -  'yellow' : [33, 39]
 | ||
|  | -};
 | ||
|  | -
 | ||
|  | -// Don't use 'blue' not visible on cmd.exe
 | ||
|  | -inspect.styles = {
 | ||
|  | -  'special': 'cyan',
 | ||
|  | -  'number': 'yellow',
 | ||
|  | -  'boolean': 'yellow',
 | ||
|  | -  'undefined': 'grey',
 | ||
|  | -  'null': 'bold',
 | ||
|  | -  'string': 'green',
 | ||
|  | -  'date': 'magenta',
 | ||
|  | -  // "name": intentionally not styling
 | ||
|  | -  'regexp': 'red'
 | ||
|  | -};
 | ||
|  | -
 | ||
|  | -
 | ||
|  | -function stylizeWithColor(str, styleType) {
 | ||
|  | -  var style = inspect.styles[styleType];
 | ||
|  | -
 | ||
|  | -  if (style) {
 | ||
|  | -    return '\u001b[' + inspect.colors[style][0] + 'm' + str +
 | ||
|  | -           '\u001b[' + inspect.colors[style][1] + 'm';
 | ||
|  | -  } else {
 | ||
|  | -    return str;
 | ||
|  | -  }
 | ||
|  | -}
 | ||
|  | -
 | ||
|  | -
 | ||
|  | -function stylizeNoColor(str, styleType) {
 | ||
|  | -  return str;
 | ||
|  | -}
 | ||
|  | -
 | ||
|  | -
 | ||
|  | -function arrayToHash(array) {
 | ||
|  | -  var hash = {};
 | ||
|  | -
 | ||
|  | -  array.forEach(function(val, idx) {
 | ||
|  | -    hash[val] = true;
 | ||
|  | -  });
 | ||
|  | -
 | ||
|  | -  return hash;
 | ||
|  | -}
 | ||
|  | -
 | ||
|  | -
 | ||
|  | -function formatValue(ctx, value, recurseTimes) {
 | ||
|  | -  // Provide a hook for user-specified inspect functions.
 | ||
|  | -  // Check that value is an object with an inspect function on it
 | ||
|  | -  if (ctx.customInspect &&
 | ||
|  | -      value &&
 | ||
|  | -      isFunction(value.inspect) &&
 | ||
|  | -      // Filter out the util module, it's inspect function is special
 | ||
|  | -      value.inspect !== exports.inspect &&
 | ||
|  | -      // Also filter out any prototype objects using the circular check.
 | ||
|  | -      !(value.constructor && value.constructor.prototype === value)) {
 | ||
|  | -    var ret = value.inspect(recurseTimes, ctx);
 | ||
|  | -    if (!isString(ret)) {
 | ||
|  | -      ret = formatValue(ctx, ret, recurseTimes);
 | ||
|  | -    }
 | ||
|  | -    return ret;
 | ||
|  | -  }
 | ||
|  | -
 | ||
|  | -  // Primitive types cannot have properties
 | ||
|  | -  var primitive = formatPrimitive(ctx, value);
 | ||
|  | -  if (primitive) {
 | ||
|  | -    return primitive;
 | ||
|  | -  }
 | ||
|  | -
 | ||
|  | -  // Look up the keys of the object.
 | ||
|  | -  var keys = Object.keys(value);
 | ||
|  | -  var visibleKeys = arrayToHash(keys);
 | ||
|  | -
 | ||
|  | -  if (ctx.showHidden) {
 | ||
|  | -    keys = Object.getOwnPropertyNames(value);
 | ||
|  | -  }
 | ||
|  | -
 | ||
|  | -  // Some type of object without properties can be shortcutted.
 | ||
|  | -  if (keys.length === 0) {
 | ||
|  | -    if (isFunction(value)) {
 | ||
|  | -      var name = value.name ? ': ' + value.name : '';
 | ||
|  | -      return ctx.stylize('[Function' + name + ']', 'special');
 | ||
|  | -    }
 | ||
|  | -    if (isRegExp(value)) {
 | ||
|  | -      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
 | ||
|  | -    }
 | ||
|  | -    if (isDate(value)) {
 | ||
|  | -      return ctx.stylize(Date.prototype.toString.call(value), 'date');
 | ||
|  | -    }
 | ||
|  | -    if (isError(value)) {
 | ||
|  | -      return formatError(value);
 | ||
|  | -    }
 | ||
|  | -  }
 | ||
|  | -
 | ||
|  | -  var base = '', array = false, braces = ['{', '}'];
 | ||
|  | -
 | ||
|  | -  // Make Array say that they are Array
 | ||
|  | -  if (isArray(value)) {
 | ||
|  | -    array = true;
 | ||
|  | -    braces = ['[', ']'];
 | ||
|  | -  }
 | ||
|  | -
 | ||
|  | -  // Make functions say that they are functions
 | ||
|  | -  if (isFunction(value)) {
 | ||
|  | -    var n = value.name ? ': ' + value.name : '';
 | ||
|  | -    base = ' [Function' + n + ']';
 | ||
|  | -  }
 | ||
|  | -
 | ||
|  | -  // Make RegExps say that they are RegExps
 | ||
|  | -  if (isRegExp(value)) {
 | ||
|  | -    base = ' ' + RegExp.prototype.toString.call(value);
 | ||
|  | -  }
 | ||
|  | -
 | ||
|  | -  // Make dates with properties first say the date
 | ||
|  | -  if (isDate(value)) {
 | ||
|  | -    base = ' ' + Date.prototype.toUTCString.call(value);
 | ||
|  | -  }
 | ||
|  | -
 | ||
|  | -  // Make error with message first say the error
 | ||
|  | -  if (isError(value)) {
 | ||
|  | -    base = ' ' + formatError(value);
 | ||
|  | -  }
 | ||
|  | -
 | ||
|  | -  if (keys.length === 0 && (!array || value.length == 0)) {
 | ||
|  | -    return braces[0] + base + braces[1];
 | ||
|  | -  }
 | ||
|  | -
 | ||
|  | -  if (recurseTimes < 0) {
 | ||
|  | -    if (isRegExp(value)) {
 | ||
|  | -      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
 | ||
|  | -    } else {
 | ||
|  | -      return ctx.stylize('[Object]', 'special');
 | ||
|  | -    }
 | ||
|  | -  }
 | ||
|  | -
 | ||
|  | -  ctx.seen.push(value);
 | ||
|  | -
 | ||
|  | -  var output;
 | ||
|  | -  if (array) {
 | ||
|  | -    output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
 | ||
|  | -  } else {
 | ||
|  | -    output = keys.map(function(key) {
 | ||
|  | -      return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
 | ||
|  | -    });
 | ||
|  | -  }
 | ||
|  | -
 | ||
|  | -  ctx.seen.pop();
 | ||
|  | -
 | ||
|  | -  return reduceToSingleString(output, base, braces);
 | ||
|  | -}
 | ||
|  | -
 | ||
|  | -
 | ||
|  | -function formatPrimitive(ctx, value) {
 | ||
|  | -  if (isUndefined(value))
 | ||
|  | -    return ctx.stylize('undefined', 'undefined');
 | ||
|  | -  if (isString(value)) {
 | ||
|  | -    var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
 | ||
|  | -                                             .replace(/'/g, "\\'")
 | ||
|  | -                                             .replace(/\\"/g, '"') + '\'';
 | ||
|  | -    return ctx.stylize(simple, 'string');
 | ||
|  | -  }
 | ||
|  | -  if (isNumber(value)) {
 | ||
|  | -    // Format -0 as '-0'. Strict equality won't distinguish 0 from -0,
 | ||
|  | -    // so instead we use the fact that 1 / -0 < 0 whereas 1 / 0 > 0 .
 | ||
|  | -    if (value === 0 && 1 / value < 0)
 | ||
|  | -      return ctx.stylize('-0', 'number');
 | ||
|  | -    return ctx.stylize('' + value, 'number');
 | ||
|  | -  }
 | ||
|  | -  if (isBoolean(value))
 | ||
|  | -    return ctx.stylize('' + value, 'boolean');
 | ||
|  | -  // For some reason typeof null is "object", so special case here.
 | ||
|  | -  if (isNull(value))
 | ||
|  | -    return ctx.stylize('null', 'null');
 | ||
|  | -}
 | ||
|  | -
 | ||
|  | -
 | ||
|  | -function formatError(value) {
 | ||
|  | -  return '[' + Error.prototype.toString.call(value) + ']';
 | ||
|  | -}
 | ||
|  | -
 | ||
|  | -
 | ||
|  | -function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
 | ||
|  | -  var output = [];
 | ||
|  | -  for (var i = 0, l = value.length; i < l; ++i) {
 | ||
|  | -    if (hasOwnProperty(value, String(i))) {
 | ||
|  | -      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
 | ||
|  | -          String(i), true));
 | ||
|  | -    } else {
 | ||
|  | -      output.push('');
 | ||
|  | -    }
 | ||
|  | -  }
 | ||
|  | -  keys.forEach(function(key) {
 | ||
|  | -    if (!key.match(/^\d+$/)) {
 | ||
|  | -      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
 | ||
|  | -          key, true));
 | ||
|  | -    }
 | ||
|  | -  });
 | ||
|  | -  return output;
 | ||
|  | -}
 | ||
|  | -
 | ||
|  | -
 | ||
|  | -function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
 | ||
|  | -  var name, str, desc;
 | ||
|  | -  desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };
 | ||
|  | -  if (desc.get) {
 | ||
|  | -    if (desc.set) {
 | ||
|  | -      str = ctx.stylize('[Getter/Setter]', 'special');
 | ||
|  | -    } else {
 | ||
|  | -      str = ctx.stylize('[Getter]', 'special');
 | ||
|  | -    }
 | ||
|  | -  } else {
 | ||
|  | -    if (desc.set) {
 | ||
|  | -      str = ctx.stylize('[Setter]', 'special');
 | ||
|  | -    }
 | ||
|  | -  }
 | ||
|  | -  if (!hasOwnProperty(visibleKeys, key)) {
 | ||
|  | -    name = '[' + key + ']';
 | ||
|  | -  }
 | ||
|  | -  if (!str) {
 | ||
|  | -    if (ctx.seen.indexOf(desc.value) < 0) {
 | ||
|  | -      if (isNull(recurseTimes)) {
 | ||
|  | -        str = formatValue(ctx, desc.value, null);
 | ||
|  | -      } else {
 | ||
|  | -        str = formatValue(ctx, desc.value, recurseTimes - 1);
 | ||
|  | -      }
 | ||
|  | -      if (str.indexOf('\n') > -1) {
 | ||
|  | -        if (array) {
 | ||
|  | -          str = str.split('\n').map(function(line) {
 | ||
|  | -            return '  ' + line;
 | ||
|  | -          }).join('\n').substr(2);
 | ||
|  | -        } else {
 | ||
|  | -          str = '\n' + str.split('\n').map(function(line) {
 | ||
|  | -            return '   ' + line;
 | ||
|  | -          }).join('\n');
 | ||
|  | -        }
 | ||
|  | -      }
 | ||
|  | -    } else {
 | ||
|  | -      str = ctx.stylize('[Circular]', 'special');
 | ||
|  | -    }
 | ||
|  | -  }
 | ||
|  | -  if (isUndefined(name)) {
 | ||
|  | -    if (array && key.match(/^\d+$/)) {
 | ||
|  | -      return str;
 | ||
|  | -    }
 | ||
|  | -    name = JSON.stringify('' + key);
 | ||
|  | -    if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
 | ||
|  | -      name = name.substr(1, name.length - 2);
 | ||
|  | -      name = ctx.stylize(name, 'name');
 | ||
|  | -    } else {
 | ||
|  | -      name = name.replace(/'/g, "\\'")
 | ||
|  | -                 .replace(/\\"/g, '"')
 | ||
|  | -                 .replace(/(^"|"$)/g, "'");
 | ||
|  | -      name = ctx.stylize(name, 'string');
 | ||
|  | -    }
 | ||
|  | -  }
 | ||
|  | -
 | ||
|  | -  return name + ': ' + str;
 | ||
|  | -}
 | ||
|  | -
 | ||
|  | -
 | ||
|  | -function reduceToSingleString(output, base, braces) {
 | ||
|  | -  var numLinesEst = 0;
 | ||
|  | -  var length = output.reduce(function(prev, cur) {
 | ||
|  | -    numLinesEst++;
 | ||
|  | -    if (cur.indexOf('\n') >= 0) numLinesEst++;
 | ||
|  | -    return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1;
 | ||
|  | -  }, 0);
 | ||
|  | -
 | ||
|  | -  if (length > 60) {
 | ||
|  | -    return braces[0] +
 | ||
|  | -           (base === '' ? '' : base + '\n ') +
 | ||
|  | -           ' ' +
 | ||
|  | -           output.join(',\n  ') +
 | ||
|  | -           ' ' +
 | ||
|  | -           braces[1];
 | ||
|  | -  }
 | ||
|  | -
 | ||
|  | -  return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
 | ||
|  | -}
 | ||
|  | -
 | ||
|  | -
 | ||
|  |  // NOTE: These type checking functions intentionally don't use `instanceof` | ||
|  |  // because it is fragile and can be easily faked with `Object.create()`. | ||
|  |  function isArray(ar) { | ||
|  | @@ -522,166 +98,10 @@ function isPrimitive(arg) {
 | ||
|  |  exports.isPrimitive = isPrimitive; | ||
|  | 
 | ||
|  |  function isBuffer(arg) { | ||
|  | -  return arg instanceof Buffer;
 | ||
|  | +  return Buffer.isBuffer(arg);
 | ||
|  |  } | ||
|  |  exports.isBuffer = isBuffer; | ||
|  | 
 | ||
|  |  function objectToString(o) { | ||
|  |    return Object.prototype.toString.call(o); | ||
|  | -}
 | ||
|  | -
 | ||
|  | -
 | ||
|  | -function pad(n) {
 | ||
|  | -  return n < 10 ? '0' + n.toString(10) : n.toString(10);
 | ||
|  | -}
 | ||
|  | -
 | ||
|  | -
 | ||
|  | -var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
 | ||
|  | -              'Oct', 'Nov', 'Dec'];
 | ||
|  | -
 | ||
|  | -// 26 Feb 16:19:34
 | ||
|  | -function timestamp() {
 | ||
|  | -  var d = new Date();
 | ||
|  | -  var time = [pad(d.getHours()),
 | ||
|  | -              pad(d.getMinutes()),
 | ||
|  | -              pad(d.getSeconds())].join(':');
 | ||
|  | -  return [d.getDate(), months[d.getMonth()], time].join(' ');
 | ||
|  | -}
 | ||
|  | -
 | ||
|  | -
 | ||
|  | -// log is just a thin wrapper to console.log that prepends a timestamp
 | ||
|  | -exports.log = function() {
 | ||
|  | -  console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));
 | ||
|  | -};
 | ||
|  | -
 | ||
|  | -
 | ||
|  | -/**
 | ||
|  | - * Inherit the prototype methods from one constructor into another.
 | ||
|  | - *
 | ||
|  | - * The Function.prototype.inherits from lang.js rewritten as a standalone
 | ||
|  | - * function (not on Function.prototype). NOTE: If this file is to be loaded
 | ||
|  | - * during bootstrapping this function needs to be rewritten using some native
 | ||
|  | - * functions as prototype setup using normal JavaScript does not work as
 | ||
|  | - * expected during bootstrapping (see mirror.js in r114903).
 | ||
|  | - *
 | ||
|  | - * @param {function} ctor Constructor function which needs to inherit the
 | ||
|  | - *     prototype.
 | ||
|  | - * @param {function} superCtor Constructor function to inherit prototype from.
 | ||
|  | - */
 | ||
|  | -exports.inherits = function(ctor, superCtor) {
 | ||
|  | -  ctor.super_ = superCtor;
 | ||
|  | -  ctor.prototype = Object.create(superCtor.prototype, {
 | ||
|  | -    constructor: {
 | ||
|  | -      value: ctor,
 | ||
|  | -      enumerable: false,
 | ||
|  | -      writable: true,
 | ||
|  | -      configurable: true
 | ||
|  | -    }
 | ||
|  | -  });
 | ||
|  | -};
 | ||
|  | -
 | ||
|  | -exports._extend = function(origin, add) {
 | ||
|  | -  // Don't do anything if add isn't an object
 | ||
|  | -  if (!add || !isObject(add)) return origin;
 | ||
|  | -
 | ||
|  | -  var keys = Object.keys(add);
 | ||
|  | -  var i = keys.length;
 | ||
|  | -  while (i--) {
 | ||
|  | -    origin[keys[i]] = add[keys[i]];
 | ||
|  | -  }
 | ||
|  | -  return origin;
 | ||
|  | -};
 | ||
|  | -
 | ||
|  | -function hasOwnProperty(obj, prop) {
 | ||
|  | -  return Object.prototype.hasOwnProperty.call(obj, prop);
 | ||
|  | -}
 | ||
|  | -
 | ||
|  | -
 | ||
|  | -// Deprecated old stuff.
 | ||
|  | -
 | ||
|  | -exports.p = exports.deprecate(function() {
 | ||
|  | -  for (var i = 0, len = arguments.length; i < len; ++i) {
 | ||
|  | -    console.error(exports.inspect(arguments[i]));
 | ||
|  | -  }
 | ||
|  | -}, 'util.p: Use console.error() instead');
 | ||
|  | -
 | ||
|  | -
 | ||
|  | -exports.exec = exports.deprecate(function() {
 | ||
|  | -  return require('child_process').exec.apply(this, arguments);
 | ||
|  | -}, 'util.exec is now called `child_process.exec`.');
 | ||
|  | -
 | ||
|  | -
 | ||
|  | -exports.print = exports.deprecate(function() {
 | ||
|  | -  for (var i = 0, len = arguments.length; i < len; ++i) {
 | ||
|  | -    process.stdout.write(String(arguments[i]));
 | ||
|  | -  }
 | ||
|  | -}, 'util.print: Use console.log instead');
 | ||
|  | -
 | ||
|  | -
 | ||
|  | -exports.puts = exports.deprecate(function() {
 | ||
|  | -  for (var i = 0, len = arguments.length; i < len; ++i) {
 | ||
|  | -    process.stdout.write(arguments[i] + '\n');
 | ||
|  | -  }
 | ||
|  | -}, 'util.puts: Use console.log instead');
 | ||
|  | -
 | ||
|  | -
 | ||
|  | -exports.debug = exports.deprecate(function(x) {
 | ||
|  | -  process.stderr.write('DEBUG: ' + x + '\n');
 | ||
|  | -}, 'util.debug: Use console.error instead');
 | ||
|  | -
 | ||
|  | -
 | ||
|  | -exports.error = exports.deprecate(function(x) {
 | ||
|  | -  for (var i = 0, len = arguments.length; i < len; ++i) {
 | ||
|  | -    process.stderr.write(arguments[i] + '\n');
 | ||
|  | -  }
 | ||
|  | -}, 'util.error: Use console.error instead');
 | ||
|  | -
 | ||
|  | -
 | ||
|  | -exports.pump = exports.deprecate(function(readStream, writeStream, callback) {
 | ||
|  | -  var callbackCalled = false;
 | ||
|  | -
 | ||
|  | -  function call(a, b, c) {
 | ||
|  | -    if (callback && !callbackCalled) {
 | ||
|  | -      callback(a, b, c);
 | ||
|  | -      callbackCalled = true;
 | ||
|  | -    }
 | ||
|  | -  }
 | ||
|  | -
 | ||
|  | -  readStream.addListener('data', function(chunk) {
 | ||
|  | -    if (writeStream.write(chunk) === false) readStream.pause();
 | ||
|  | -  });
 | ||
|  | -
 | ||
|  | -  writeStream.addListener('drain', function() {
 | ||
|  | -    readStream.resume();
 | ||
|  | -  });
 | ||
|  | -
 | ||
|  | -  readStream.addListener('end', function() {
 | ||
|  | -    writeStream.end();
 | ||
|  | -  });
 | ||
|  | -
 | ||
|  | -  readStream.addListener('close', function() {
 | ||
|  | -    call();
 | ||
|  | -  });
 | ||
|  | -
 | ||
|  | -  readStream.addListener('error', function(err) {
 | ||
|  | -    writeStream.end();
 | ||
|  | -    call(err);
 | ||
|  | -  });
 | ||
|  | -
 | ||
|  | -  writeStream.addListener('error', function(err) {
 | ||
|  | -    readStream.destroy();
 | ||
|  | -    call(err);
 | ||
|  | -  });
 | ||
|  | -}, 'util.pump(): Use readableStream.pipe() instead');
 | ||
|  | -
 | ||
|  | -
 | ||
|  | -var uv;
 | ||
|  | -exports._errnoException = function(err, syscall) {
 | ||
|  | -  if (isUndefined(uv)) uv = process.binding('uv');
 | ||
|  | -  var errname = uv.errname(err);
 | ||
|  | -  var e = new Error(syscall + ' ' + errname);
 | ||
|  | -  e.code = errname;
 | ||
|  | -  e.errno = errname;
 | ||
|  | -  e.syscall = syscall;
 | ||
|  | -  return e;
 | ||
|  | -};
 | ||
|  | +}
 |