1
|
var logLevel = "info";
|
2
|
|
3
|
function dummy() {}
|
4
|
|
5
|
function shouldLog(level) {
|
6
|
var shouldLog =
|
7
|
(logLevel === "info" && level === "info") ||
|
8
|
(["info", "warning"].indexOf(logLevel) >= 0 && level === "warning") ||
|
9
|
(["info", "warning", "error"].indexOf(logLevel) >= 0 && level === "error");
|
10
|
return shouldLog;
|
11
|
}
|
12
|
|
13
|
function logGroup(logFn) {
|
14
|
return function(level, msg) {
|
15
|
if (shouldLog(level)) {
|
16
|
logFn(msg);
|
17
|
}
|
18
|
};
|
19
|
}
|
20
|
|
21
|
module.exports = function(level, msg) {
|
22
|
if (shouldLog(level)) {
|
23
|
if (level === "info") {
|
24
|
console.log(msg);
|
25
|
} else if (level === "warning") {
|
26
|
console.warn(msg);
|
27
|
} else if (level === "error") {
|
28
|
console.error(msg);
|
29
|
}
|
30
|
}
|
31
|
};
|
32
|
|
33
|
/* eslint-disable node/no-unsupported-features/node-builtins */
|
34
|
var group = console.group || dummy;
|
35
|
var groupCollapsed = console.groupCollapsed || dummy;
|
36
|
var groupEnd = console.groupEnd || dummy;
|
37
|
/* eslint-enable node/no-unsupported-features/node-builtins */
|
38
|
|
39
|
module.exports.group = logGroup(group);
|
40
|
|
41
|
module.exports.groupCollapsed = logGroup(groupCollapsed);
|
42
|
|
43
|
module.exports.groupEnd = logGroup(groupEnd);
|
44
|
|
45
|
module.exports.setLogLevel = function(level) {
|
46
|
logLevel = level;
|
47
|
};
|
48
|
|
49
|
module.exports.formatError = function(err) {
|
50
|
var message = err.message;
|
51
|
var stack = err.stack;
|
52
|
if (!stack) {
|
53
|
return message;
|
54
|
} else if (stack.indexOf(message) < 0) {
|
55
|
return message + "\n" + stack;
|
56
|
} else {
|
57
|
return stack;
|
58
|
}
|
59
|
};
|