nu-lint 1.3.0

Linter for Nu shell scripts that helpfully suggests improvements
Documentation 
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
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122

use super::RULE;

#[test]
fn test_unused_required_param() {
    let code = r#"
def foo [x: int] {
    print "hello"
}
"#;
    RULE.assert_detects(code);
}

#[test]
fn test_unused_optional_param() {
    let code = r#"
def foo [x?: int] {
    print "hello"
}
"#;
    RULE.assert_detects(code);
}

#[test]
fn test_unused_flag() {
    let code = r#"
def foo [--verbose] {
    print "hello"
}
"#;
    RULE.assert_detects(code);
}

#[test]
fn test_unused_rest_param() {
    let code = r#"
def foo [...rest] {
    print "hello"
}
"#;
    RULE.assert_detects(code);
}

#[test]
fn test_multiple_unused() {
    let code = r#"
def foo [a, b, c] {
    print "no params used"
}
"#;
    RULE.assert_count(code, 3);
}

#[test]
fn test_some_unused() {
    let code = r#"
def foo [used, unused] {
    print $used
}
"#;
    RULE.assert_count(code, 1);
}

#[test]
fn test_unused_flag_with_value() {
    let code = r#"
def foo [--config: string] {
    print "hello"
}
"#;
    RULE.assert_detects(code);
}

#[test]
fn test_unused_flag_with_short() {
    let code = r#"
def foo [--verbose (-v)] {
    print "hello"
}
"#;
    RULE.assert_detects(code);
}

#[test]
fn test_unused_optional_with_default() {
    let code = r#"
def foo [x: int = 42] {
    print "hello"
}
"#;
    RULE.assert_detects(code);
}

#[test]
fn test_unused_middle_param() {
    let code = r#"
def foo [a, unused, b] {
    print $a
    print $b
}
"#;
    RULE.assert_count(code, 1);
}

#[test]
fn test_unused_in_subcommand() {
    let code = r#"
def "main sub" [unused] {
    print "hello"
}
"#;
    RULE.assert_detects(code);
}

#[test]
fn test_unused_typed_rest() {
    let code = r#"
def foo [...rest: string] {
    print "hello"
}
"#;
    RULE.assert_detects(code);
}