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