UNPKG

@stdlib/assert

Version:

Standard assertion utilities.

stdlib.io

stdlib-js/assert

83 lines (60 loc) • 1.42 kB
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
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
{{alias}}( str ) Tests if a string is well-formed. Parameters ---------- str: any String to test. Returns ------- bool: boolean Boolean indicating whether str is well-formed. Examples -------- > var bool = {{alias}}( '' ) true > bool = {{alias}}( new String( '' ) ) true > bool = {{alias}}( '\uDBFF' ) false > bool = {{alias}}( '\uDBFFFF\uDBFF' ) false > bool = {{alias}}( [] ) false > bool = {{alias}}( '-5' ) true > bool = {{alias}}( null ) false {{alias}}.isPrimitive( str ) Tests if a string is a well-formed string primitive. Parameters ---------- str: any String to test. Returns ------- bool: boolean Boolean indicating whether str is a well-formed string primitive. Examples -------- > var bool = {{alias}}.isPrimitive( '' ) true > bool = {{alias}}.isPrimitive( new String( '' ) ) false {{alias}}.isObject( str ) Tests if a string is a well-formed string object. Parameters ---------- str: any String to test. Returns ------- bool: boolean Boolean indicating whether str is a well-formed string object. Examples -------- > var bool = {{alias}}.isObject( '' ) false > bool = {{alias}}.isObject( new String( '' ) ) true See Also --------