|
1
|
|
|
// Throwable.js |
|
2
|
|
|
"use strict"; |
|
3
|
|
|
|
|
4
|
|
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * |
|
5
|
|
|
* Copyright (C) EgaLabs, Inc - All Rights Reserved * |
|
6
|
|
|
* Unauthorized copying of this file, either completely or partially, via any medium, is strictly prohibited. * |
|
7
|
|
|
* Proprietary and confidential. * |
|
8
|
|
|
* Written by Esaú García Sánchez-Torija <[email protected]>, March 2017 * |
|
9
|
|
|
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
|
10
|
|
|
|
|
11
|
|
|
// :: BASIC SETUP |
|
12
|
|
|
|
|
13
|
|
|
// empty 'class' |
|
14
|
1 |
|
const Throwable = function (name, message, code) { |
|
15
|
|
|
// call the 'parent class' |
|
16
|
2059 |
|
Object.call(this); |
|
17
|
|
|
// check parameter 'name' |
|
18
|
2059 |
|
if (name !== null && name !== undefined) { |
|
19
|
717 |
|
if (typeof name !== "string") { |
|
20
|
657 |
|
throw new Error("parameter 'name' must be a 'string'"); |
|
21
|
|
|
} |
|
22
|
60 |
|
this.name = name; |
|
23
|
|
|
} |
|
24
|
|
|
// check parameter 'message' |
|
25
|
1402 |
|
if (message !== null && message !== undefined) { |
|
26
|
702 |
|
if (typeof message !== "string") { |
|
27
|
648 |
|
throw new Error("parameter 'message' must be a 'string'"); |
|
28
|
|
|
} |
|
29
|
54 |
|
this.message = message; |
|
30
|
|
|
} |
|
31
|
|
|
// check parameter 'code' |
|
32
|
754 |
|
if (code !== null && code !== undefined) { |
|
33
|
606 |
|
if (typeof code !== "number") { |
|
34
|
567 |
|
throw new Error("parameter 'code' must be a 'number'"); |
|
35
|
|
|
} |
|
36
|
39 |
|
this.code = code; |
|
37
|
|
|
} |
|
38
|
|
|
}; |
|
39
|
|
|
|
|
40
|
|
|
// :: INHERITANCE |
|
41
|
|
|
|
|
42
|
|
|
// set the prototype chain parent to 'Object' |
|
43
|
1 |
|
Throwable.prototype = Object.create(Object.prototype); |
|
44
|
|
|
|
|
45
|
|
|
// set the prototype chain constructor |
|
46
|
1 |
|
Throwable.prototype.constructor = Throwable; |
|
47
|
|
|
|
|
48
|
|
|
// :: PROTOTYPE |
|
49
|
|
|
|
|
50
|
|
|
// set the default name |
|
51
|
1 |
|
Throwable.prototype.name = null; |
|
52
|
|
|
|
|
53
|
|
|
// set the default message |
|
54
|
1 |
|
Throwable.prototype.message = null; |
|
55
|
|
|
|
|
56
|
|
|
// set the default code |
|
57
|
1 |
|
Throwable.prototype.code = null; |
|
58
|
|
|
|
|
59
|
|
|
// set the toString method |
|
60
|
1 |
|
Throwable.prototype.toString = function () { |
|
61
|
24 |
|
let str = (this.name !== null && this.name !== undefined ? this.name : "Throwable"); |
|
62
|
24 |
|
if (this.code !== null && this.code !== undefined) { |
|
63
|
4 |
|
str += " (0x" + this.code.toString(16) + ")"; |
|
64
|
|
|
} |
|
65
|
24 |
|
str += ": " + (this.message !== null && this.message !== undefined ? this.message : "thrown") + "."; |
|
66
|
24 |
|
return str; |
|
67
|
|
|
}; |
|
68
|
|
|
|
|
69
|
|
|
// returns a native 'Error' |
|
70
|
1 |
|
Throwable.prototype.native = function () { |
|
71
|
24 |
|
let str = (this.name !== null && this.name !== undefined ? this.name : "Throwable"); |
|
72
|
24 |
|
if (this.code !== null && this.code !== undefined) { |
|
73
|
4 |
|
str += " (0x" + this.code.toString(16) + ")"; |
|
74
|
|
|
} |
|
75
|
24 |
|
str += ": " + (this.message !== null && this.message !== undefined ? this.message : "thrown"); |
|
76
|
24 |
|
return new Error(str); |
|
77
|
|
|
}; |
|
78
|
|
|
|
|
79
|
|
|
// :: EXPORT |
|
80
|
|
|
|
|
81
|
|
|
// export the Throwable 'class' |
|
82
|
|
|
module.exports = Throwable; |
EgaLabs /
node-ejsception
