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tree: 3b246db45e
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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;
-};
+}
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