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use util.inspect to format objects and arrays printed to the console

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Sami Samhuri 2010-12-30 19:20:47 -05:00 committed by Ryan Dahl
parent ca8cc71bd0
commit e5a47c8ce1
1 changed files with 11 additions and 5 deletions
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16
lib/console.js
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@ -3,8 +3,10 @@ var writeError = process.binding('stdio').writeError;
// console object // console object
var formatRegExp = /%[sdj]/g; var formatRegExp = /%[sdj]/g;
function format(f) { function format(f) {
var util = require('util');
if (typeof f !== 'string') { if (typeof f !== 'string') {
var objects = [], util = require('util'); var objects = [];
for (var i = 0; i < arguments.length; i++) { for (var i = 0; i < arguments.length; i++) {
objects.push(util.inspect(arguments[i])); objects.push(util.inspect(arguments[i]));
} }
@ -16,15 +18,19 @@ function format(f) {
var args = arguments; var args = arguments;
var str = String(f).replace(formatRegExp, function(x) { var str = String(f).replace(formatRegExp, function(x) {
switch (x) { switch (x) {
case '%s': return args[i++]; case '%s': return String(args[i++]);
case '%d': return +args[i++]; case '%d': return Number(args[i++]);
case '%j': return JSON.stringify(args[i++]); case '%j': return JSON.stringify(args[i++]);
default: default:
return x; return x;
} }
}); });
for (var len = args.length; i < len; ++i) { for (var len = args.length, x = args[i]; i < len; x = args[++i]) {
str += ' ' + args[i]; if (x === null || typeof x !== 'object') {
str += ' ' + x;
} else {
str += ' ' + util.inspect(x);
}
} }
return str; return str;
} }