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
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
#![deny(warnings)]
#[macro_use]
extern crate lazy_static;
#[macro_use]
extern crate log;
mod control_flow;
pub mod diagnostic;
mod globals;
mod js_regex;
pub mod linter;
pub mod rules;
mod scopes;
pub mod swc_util;
#[cfg(test)]
mod test_util;
#[cfg(test)]
mod lint_tests {
use crate::diagnostic::LintDiagnostic;
use crate::linter::*;
use crate::rules::get_recommended_rules;
use crate::test_util::assert_diagnostic;
fn lint(
source: &str,
unknown_rules: bool,
unused_dir: bool,
) -> Vec<LintDiagnostic> {
let mut linter = LinterBuilder::default()
.lint_unknown_rules(unknown_rules)
.lint_unused_ignore_directives(unused_dir)
.rules(get_recommended_rules())
.build();
linter
.lint("lint_test.ts".to_string(), source.to_string())
.expect("Failed to lint")
}
#[test]
fn empty_file() {
let diagnostics = lint("", true, false);
assert!(diagnostics.is_empty());
}
#[test]
fn warn_unknown_rules() {
let src = r#"
// deno-lint-ignore some-rule
function foo() {
// deno-lint-ignore some-rule-2 some-rule-3
let bar_foo = true
}
"#;
let diagnostics = lint(src, true, false);
assert_diagnostic(&diagnostics[0], "ban-unknown-rule-code", 2, 1, src);
assert_diagnostic(&diagnostics[1], "ban-unknown-rule-code", 4, 3, src);
}
#[test]
fn ignore_unknown_rules() {
let diagnostics = lint(
r#"
// deno-lint-ignore some-rule
function foo() {
// pass
}
"#,
false,
false,
);
assert_eq!(diagnostics.len(), 0);
}
#[test]
fn warn_unused_dir() {
let src = r#"
// deno-lint-ignore no-explicit-any
function bar(p: boolean) {
// deno-lint-ignore no-misused-new eqeqeq
const foo_bar = false
}
"#;
let diagnostics = lint(src, false, true);
assert_eq!(diagnostics.len(), 2);
assert_diagnostic(&diagnostics[0], "ban-unused-ignore", 2, 1, src);
assert_diagnostic(&diagnostics[1], "ban-unused-ignore", 4, 3, src);
}
#[test]
fn ignore_unused_dir() {
let diagnostics = lint(
r#"
// deno-lint-ignore no-explicit-any
function bar(p: boolean) {
// pass
}
"#,
false,
false,
);
assert_eq!(diagnostics.len(), 0);
}
#[test]
fn file_directive_with_code() {
let diagnostics = lint(
r#"
// deno-lint-ignore-file no-explicit-any
function bar(p: any) {
// pass
}
"#,
false,
false,
);
assert_eq!(diagnostics.len(), 0);
}
#[test]
fn file_directive_with_code_unused() {
let src = r#"
// deno-lint-ignore-file no-explicit-any no-empty
function bar(p: any) {
// pass
}
"#;
let diagnostics = lint(src, false, true);
assert_eq!(diagnostics.len(), 1);
assert_diagnostic(&diagnostics[0], "ban-unused-ignore", 2, 1, src);
}
#[test]
fn file_directive_with_code_higher_precedence() {
let src = r#"
// deno-lint-ignore-file no-explicit-any
// deno-lint-ignore no-explicit-any
function bar(p: any) {
// pass
}
"#;
let diagnostics = lint(src, false, true);
assert_eq!(diagnostics.len(), 1);
assert_diagnostic(&diagnostics[0], "ban-unused-ignore", 4, 1, src);
}
}