-
Notifications
You must be signed in to change notification settings - Fork 119
/
utils.js
58 lines (55 loc) · 1.26 KB
/
utils.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
"use strict";
exports.union = function(obj, args) {
for (var i = 0, len = args.length; i < len; i += 1) {
var source = args[i];
for ( var prop in source) {
obj[prop] = source[prop];
}
}
return obj;
};
var formatRegExp = /%[sdjt]/g;
var util = require('util');
exports.format = function(f) {
var inspectOpt = this.inspectOpt;
var args = arguments;
var i = 0;
if (typeof f !== 'string') {
var objects = [];
for (; i < args.length; i++) {
objects.push(util.inspect(args[i], inspectOpt));
}
return objects.join(' ');
}
i = 1;
var str = String(f).replace(formatRegExp, function(x) {
switch (x) {
case '%s':
return String(args[i++]);
case '%d':
return Number(args[i++]);
case '%j':
try {
if (args[i] instanceof Error) {
return JSON.stringify(args[i++], ['message', 'stack', 'type', 'name']);
} else {
return JSON.stringify(args[i++]);
}
} catch(e) {
return '[Circular]';
}
case '%t':
return util.inspect(args[i++], inspectOpt);
default:
return x;
}
});
for ( var len = args.length, x = args[i]; i < len; x = args[++i]) {
if (x === null || typeof x !== 'object') {
str += ' ' + x;
} else {
str += ' ' + util.inspect(x, inspectOpt);
}
}
return str;
};