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1diff --git a/lib/util.js b/lib/util.js
2index a03e874..9074e8e 100644
3--- a/lib/util.js
4+++ b/lib/util.js
5@@ -19,430 +19,6 @@
6 // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
7 // USE OR OTHER DEALINGS IN THE SOFTWARE.
8
9-var formatRegExp = /%[sdj%]/g;
10-exports.format = function(f) {
11- if (!isString(f)) {
12- var objects = [];
13- for (var i = 0; i < arguments.length; i++) {
14- objects.push(inspect(arguments[i]));
15- }
16- return objects.join(' ');
17- }
18-
19- var i = 1;
20- var args = arguments;
21- var len = args.length;
22- var str = String(f).replace(formatRegExp, function(x) {
23- if (x === '%%') return '%';
24- if (i >= len) return x;
25- switch (x) {
26- case '%s': return String(args[i++]);
27- case '%d': return Number(args[i++]);
28- case '%j':
29- try {
30- return JSON.stringify(args[i++]);
31- } catch (_) {
32- return '[Circular]';
33- }
34- default:
35- return x;
36- }
37- });
38- for (var x = args[i]; i < len; x = args[++i]) {
39- if (isNull(x) || !isObject(x)) {
40- str += ' ' + x;
41- } else {
42- str += ' ' + inspect(x);
43- }
44- }
45- return str;
46-};
47-
48-
49-// Mark that a method should not be used.
50-// Returns a modified function which warns once by default.
51-// If --no-deprecation is set, then it is a no-op.
52-exports.deprecate = function(fn, msg) {
53- // Allow for deprecating things in the process of starting up.
54- if (isUndefined(global.process)) {
55- return function() {
56- return exports.deprecate(fn, msg).apply(this, arguments);
57- };
58- }
59-
60- if (process.noDeprecation === true) {
61- return fn;
62- }
63-
64- var warned = false;
65- function deprecated() {
66- if (!warned) {
67- if (process.throwDeprecation) {
68- throw new Error(msg);
69- } else if (process.traceDeprecation) {
70- console.trace(msg);
71- } else {
72- console.error(msg);
73- }
74- warned = true;
75- }
76- return fn.apply(this, arguments);
77- }
78-
79- return deprecated;
80-};
81-
82-
83-var debugs = {};
84-var debugEnviron;
85-exports.debuglog = function(set) {
86- if (isUndefined(debugEnviron))
87- debugEnviron = process.env.NODE_DEBUG || '';
88- set = set.toUpperCase();
89- if (!debugs[set]) {
90- if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) {
91- var pid = process.pid;
92- debugs[set] = function() {
93- var msg = exports.format.apply(exports, arguments);
94- console.error('%s %d: %s', set, pid, msg);
95- };
96- } else {
97- debugs[set] = function() {};
98- }
99- }
100- return debugs[set];
101-};
102-
103-
104-/**
105- * Echos the value of a value. Trys to print the value out
106- * in the best way possible given the different types.
107- *
108- * @param {Object} obj The object to print out.
109- * @param {Object} opts Optional options object that alters the output.
110- */
111-/* legacy: obj, showHidden, depth, colors*/
112-function inspect(obj, opts) {
113- // default options
114- var ctx = {
115- seen: [],
116- stylize: stylizeNoColor
117- };
118- // legacy...
119- if (arguments.length >= 3) ctx.depth = arguments[2];
120- if (arguments.length >= 4) ctx.colors = arguments[3];
121- if (isBoolean(opts)) {
122- // legacy...
123- ctx.showHidden = opts;
124- } else if (opts) {
125- // got an "options" object
126- exports._extend(ctx, opts);
127- }
128- // set default options
129- if (isUndefined(ctx.showHidden)) ctx.showHidden = false;
130- if (isUndefined(ctx.depth)) ctx.depth = 2;
131- if (isUndefined(ctx.colors)) ctx.colors = false;
132- if (isUndefined(ctx.customInspect)) ctx.customInspect = true;
133- if (ctx.colors) ctx.stylize = stylizeWithColor;
134- return formatValue(ctx, obj, ctx.depth);
135-}
136-exports.inspect = inspect;
137-
138-
139-// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
140-inspect.colors = {
141- 'bold' : [1, 22],
142- 'italic' : [3, 23],
143- 'underline' : [4, 24],
144- 'inverse' : [7, 27],
145- 'white' : [37, 39],
146- 'grey' : [90, 39],
147- 'black' : [30, 39],
148- 'blue' : [34, 39],
149- 'cyan' : [36, 39],
150- 'green' : [32, 39],
151- 'magenta' : [35, 39],
152- 'red' : [31, 39],
153- 'yellow' : [33, 39]
154-};
155-
156-// Don't use 'blue' not visible on cmd.exe
157-inspect.styles = {
158- 'special': 'cyan',
159- 'number': 'yellow',
160- 'boolean': 'yellow',
161- 'undefined': 'grey',
162- 'null': 'bold',
163- 'string': 'green',
164- 'date': 'magenta',
165- // "name": intentionally not styling
166- 'regexp': 'red'
167-};
168-
169-
170-function stylizeWithColor(str, styleType) {
171- var style = inspect.styles[styleType];
172-
173- if (style) {
174- return '\u001b[' + inspect.colors[style][0] + 'm' + str +
175- '\u001b[' + inspect.colors[style][1] + 'm';
176- } else {
177- return str;
178- }
179-}
180-
181-
182-function stylizeNoColor(str, styleType) {
183- return str;
184-}
185-
186-
187-function arrayToHash(array) {
188- var hash = {};
189-
190- array.forEach(function(val, idx) {
191- hash[val] = true;
192- });
193-
194- return hash;
195-}
196-
197-
198-function formatValue(ctx, value, recurseTimes) {
199- // Provide a hook for user-specified inspect functions.
200- // Check that value is an object with an inspect function on it
201- if (ctx.customInspect &&
202- value &&
203- isFunction(value.inspect) &&
204- // Filter out the util module, it's inspect function is special
205- value.inspect !== exports.inspect &&
206- // Also filter out any prototype objects using the circular check.
207- !(value.constructor && value.constructor.prototype === value)) {
208- var ret = value.inspect(recurseTimes, ctx);
209- if (!isString(ret)) {
210- ret = formatValue(ctx, ret, recurseTimes);
211- }
212- return ret;
213- }
214-
215- // Primitive types cannot have properties
216- var primitive = formatPrimitive(ctx, value);
217- if (primitive) {
218- return primitive;
219- }
220-
221- // Look up the keys of the object.
222- var keys = Object.keys(value);
223- var visibleKeys = arrayToHash(keys);
224-
225- if (ctx.showHidden) {
226- keys = Object.getOwnPropertyNames(value);
227- }
228-
229- // Some type of object without properties can be shortcutted.
230- if (keys.length === 0) {
231- if (isFunction(value)) {
232- var name = value.name ? ': ' + value.name : '';
233- return ctx.stylize('[Function' + name + ']', 'special');
234- }
235- if (isRegExp(value)) {
236- return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
237- }
238- if (isDate(value)) {
239- return ctx.stylize(Date.prototype.toString.call(value), 'date');
240- }
241- if (isError(value)) {
242- return formatError(value);
243- }
244- }
245-
246- var base = '', array = false, braces = ['{', '}'];
247-
248- // Make Array say that they are Array
249- if (isArray(value)) {
250- array = true;
251- braces = ['[', ']'];
252- }
253-
254- // Make functions say that they are functions
255- if (isFunction(value)) {
256- var n = value.name ? ': ' + value.name : '';
257- base = ' [Function' + n + ']';
258- }
259-
260- // Make RegExps say that they are RegExps
261- if (isRegExp(value)) {
262- base = ' ' + RegExp.prototype.toString.call(value);
263- }
264-
265- // Make dates with properties first say the date
266- if (isDate(value)) {
267- base = ' ' + Date.prototype.toUTCString.call(value);
268- }
269-
270- // Make error with message first say the error
271- if (isError(value)) {
272- base = ' ' + formatError(value);
273- }
274-
275- if (keys.length === 0 && (!array || value.length == 0)) {
276- return braces[0] + base + braces[1];
277- }
278-
279- if (recurseTimes < 0) {
280- if (isRegExp(value)) {
281- return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
282- } else {
283- return ctx.stylize('[Object]', 'special');
284- }
285- }
286-
287- ctx.seen.push(value);
288-
289- var output;
290- if (array) {
291- output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
292- } else {
293- output = keys.map(function(key) {
294- return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
295- });
296- }
297-
298- ctx.seen.pop();
299-
300- return reduceToSingleString(output, base, braces);
301-}
302-
303-
304-function formatPrimitive(ctx, value) {
305- if (isUndefined(value))
306- return ctx.stylize('undefined', 'undefined');
307- if (isString(value)) {
308- var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
309- .replace(/'/g, "\\'")
310- .replace(/\\"/g, '"') + '\'';
311- return ctx.stylize(simple, 'string');
312- }
313- if (isNumber(value)) {
314- // Format -0 as '-0'. Strict equality won't distinguish 0 from -0,
315- // so instead we use the fact that 1 / -0 < 0 whereas 1 / 0 > 0 .
316- if (value === 0 && 1 / value < 0)
317- return ctx.stylize('-0', 'number');
318- return ctx.stylize('' + value, 'number');
319- }
320- if (isBoolean(value))
321- return ctx.stylize('' + value, 'boolean');
322- // For some reason typeof null is "object", so special case here.
323- if (isNull(value))
324- return ctx.stylize('null', 'null');
325-}
326-
327-
328-function formatError(value) {
329- return '[' + Error.prototype.toString.call(value) + ']';
330-}
331-
332-
333-function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
334- var output = [];
335- for (var i = 0, l = value.length; i < l; ++i) {
336- if (hasOwnProperty(value, String(i))) {
337- output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
338- String(i), true));
339- } else {
340- output.push('');
341- }
342- }
343- keys.forEach(function(key) {
344- if (!key.match(/^\d+$/)) {
345- output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
346- key, true));
347- }
348- });
349- return output;
350-}
351-
352-
353-function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
354- var name, str, desc;
355- desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };
356- if (desc.get) {
357- if (desc.set) {
358- str = ctx.stylize('[Getter/Setter]', 'special');
359- } else {
360- str = ctx.stylize('[Getter]', 'special');
361- }
362- } else {
363- if (desc.set) {
364- str = ctx.stylize('[Setter]', 'special');
365- }
366- }
367- if (!hasOwnProperty(visibleKeys, key)) {
368- name = '[' + key + ']';
369- }
370- if (!str) {
371- if (ctx.seen.indexOf(desc.value) < 0) {
372- if (isNull(recurseTimes)) {
373- str = formatValue(ctx, desc.value, null);
374- } else {
375- str = formatValue(ctx, desc.value, recurseTimes - 1);
376- }
377- if (str.indexOf('\n') > -1) {
378- if (array) {
379- str = str.split('\n').map(function(line) {
380- return ' ' + line;
381- }).join('\n').substr(2);
382- } else {
383- str = '\n' + str.split('\n').map(function(line) {
384- return ' ' + line;
385- }).join('\n');
386- }
387- }
388- } else {
389- str = ctx.stylize('[Circular]', 'special');
390- }
391- }
392- if (isUndefined(name)) {
393- if (array && key.match(/^\d+$/)) {
394- return str;
395- }
396- name = JSON.stringify('' + key);
397- if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
398- name = name.substr(1, name.length - 2);
399- name = ctx.stylize(name, 'name');
400- } else {
401- name = name.replace(/'/g, "\\'")
402- .replace(/\\"/g, '"')
403- .replace(/(^"|"$)/g, "'");
404- name = ctx.stylize(name, 'string');
405- }
406- }
407-
408- return name + ': ' + str;
409-}
410-
411-
412-function reduceToSingleString(output, base, braces) {
413- var numLinesEst = 0;
414- var length = output.reduce(function(prev, cur) {
415- numLinesEst++;
416- if (cur.indexOf('\n') >= 0) numLinesEst++;
417- return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1;
418- }, 0);
419-
420- if (length > 60) {
421- return braces[0] +
422- (base === '' ? '' : base + '\n ') +
423- ' ' +
424- output.join(',\n ') +
425- ' ' +
426- braces[1];
427- }
428-
429- return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
430-}
431-
432-
433 // NOTE: These type checking functions intentionally don't use `instanceof`
434 // because it is fragile and can be easily faked with `Object.create()`.
435 function isArray(ar) {
436@@ -522,166 +98,10 @@ function isPrimitive(arg) {
437 exports.isPrimitive = isPrimitive;
438
439 function isBuffer(arg) {
440- return arg instanceof Buffer;
441+ return Buffer.isBuffer(arg);
442 }
443 exports.isBuffer = isBuffer;
444
445 function objectToString(o) {
446 return Object.prototype.toString.call(o);
447-}
448-
449-
450-function pad(n) {
451- return n < 10 ? '0' + n.toString(10) : n.toString(10);
452-}
453-
454-
455-var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
456- 'Oct', 'Nov', 'Dec'];
457-
458-// 26 Feb 16:19:34
459-function timestamp() {
460- var d = new Date();
461- var time = [pad(d.getHours()),
462- pad(d.getMinutes()),
463- pad(d.getSeconds())].join(':');
464- return [d.getDate(), months[d.getMonth()], time].join(' ');
465-}
466-
467-
468-// log is just a thin wrapper to console.log that prepends a timestamp
469-exports.log = function() {
470- console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));
471-};
472-
473-
474-/**
475- * Inherit the prototype methods from one constructor into another.
476- *
477- * The Function.prototype.inherits from lang.js rewritten as a standalone
478- * function (not on Function.prototype). NOTE: If this file is to be loaded
479- * during bootstrapping this function needs to be rewritten using some native
480- * functions as prototype setup using normal JavaScript does not work as
481- * expected during bootstrapping (see mirror.js in r114903).
482- *
483- * @param {function} ctor Constructor function which needs to inherit the
484- * prototype.
485- * @param {function} superCtor Constructor function to inherit prototype from.
486- */
487-exports.inherits = function(ctor, superCtor) {
488- ctor.super_ = superCtor;
489- ctor.prototype = Object.create(superCtor.prototype, {
490- constructor: {
491- value: ctor,
492- enumerable: false,
493- writable: true,
494- configurable: true
495- }
496- });
497-};
498-
499-exports._extend = function(origin, add) {
500- // Don't do anything if add isn't an object
501- if (!add || !isObject(add)) return origin;
502-
503- var keys = Object.keys(add);
504- var i = keys.length;
505- while (i--) {
506- origin[keys[i]] = add[keys[i]];
507- }
508- return origin;
509-};
510-
511-function hasOwnProperty(obj, prop) {
512- return Object.prototype.hasOwnProperty.call(obj, prop);
513-}
514-
515-
516-// Deprecated old stuff.
517-
518-exports.p = exports.deprecate(function() {
519- for (var i = 0, len = arguments.length; i < len; ++i) {
520- console.error(exports.inspect(arguments[i]));
521- }
522-}, 'util.p: Use console.error() instead');
523-
524-
525-exports.exec = exports.deprecate(function() {
526- return require('child_process').exec.apply(this, arguments);
527-}, 'util.exec is now called `child_process.exec`.');
528-
529-
530-exports.print = exports.deprecate(function() {
531- for (var i = 0, len = arguments.length; i < len; ++i) {
532- process.stdout.write(String(arguments[i]));
533- }
534-}, 'util.print: Use console.log instead');
535-
536-
537-exports.puts = exports.deprecate(function() {
538- for (var i = 0, len = arguments.length; i < len; ++i) {
539- process.stdout.write(arguments[i] + '\n');
540- }
541-}, 'util.puts: Use console.log instead');
542-
543-
544-exports.debug = exports.deprecate(function(x) {
545- process.stderr.write('DEBUG: ' + x + '\n');
546-}, 'util.debug: Use console.error instead');
547-
548-
549-exports.error = exports.deprecate(function(x) {
550- for (var i = 0, len = arguments.length; i < len; ++i) {
551- process.stderr.write(arguments[i] + '\n');
552- }
553-}, 'util.error: Use console.error instead');
554-
555-
556-exports.pump = exports.deprecate(function(readStream, writeStream, callback) {
557- var callbackCalled = false;
558-
559- function call(a, b, c) {
560- if (callback && !callbackCalled) {
561- callback(a, b, c);
562- callbackCalled = true;
563- }
564- }
565-
566- readStream.addListener('data', function(chunk) {
567- if (writeStream.write(chunk) === false) readStream.pause();
568- });
569-
570- writeStream.addListener('drain', function() {
571- readStream.resume();
572- });
573-
574- readStream.addListener('end', function() {
575- writeStream.end();
576- });
577-
578- readStream.addListener('close', function() {
579- call();
580- });
581-
582- readStream.addListener('error', function(err) {
583- writeStream.end();
584- call(err);
585- });
586-
587- writeStream.addListener('error', function(err) {
588- readStream.destroy();
589- call(err);
590- });
591-}, 'util.pump(): Use readableStream.pipe() instead');
592-
593-
594-var uv;
595-exports._errnoException = function(err, syscall) {
596- if (isUndefined(uv)) uv = process.binding('uv');
597- var errname = uv.errname(err);
598- var e = new Error(syscall + ' ' + errname);
599- e.code = errname;
600- e.errno = errname;
601- e.syscall = syscall;
602- return e;
603-};
604+}
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