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
163
164
165
166
167
168
169
170
171
//! v-on directive handling.
//!
//! Processes `@event="handler"` bindings including:
//! - Inline arrow/function callback scope creation
//! - Implicit `$event` parameter detection
//! - Simple handler reference tracking
use crate::analyzer::helpers::extract_inline_callback_params;
use crate::analyzer::Analyzer;
use crate::scope::EventHandlerScopeData;
use vize_carton::{profile, smallvec, CompactString};
use vize_relief::ast::ExpressionNode;
impl Analyzer {
/// Handle v-on directive.
pub(in crate::analyzer) fn handle_v_on_directive(
&mut self,
dir: &vize_relief::ast::DirectiveNode<'_>,
scope_vars: &mut Vec<CompactString>,
target_component: Option<CompactString>,
) {
if let Some(ref exp) = dir.exp {
let content = match exp {
ExpressionNode::Simple(s) => s.content.as_str(),
ExpressionNode::Compound(c) => c.loc.source.as_str(),
};
// Check for inline arrow/function
if let Some(params) = profile!(
"croquis.template.callback.extract_params",
extract_inline_callback_params(content)
) {
let event_name = dir
.arg
.as_ref()
.map(|arg| match arg {
ExpressionNode::Simple(s) => CompactString::new(s.content.as_str()),
ExpressionNode::Compound(c) => CompactString::new(c.loc.source.as_str()),
})
.unwrap_or_else(|| CompactString::const_new("unknown"));
self.summary.scopes.enter_event_handler_scope(
EventHandlerScopeData {
event_name,
has_implicit_event: false,
param_names: params.into_iter().collect(),
handler_expression: Some(CompactString::new(content)),
target_component: target_component.clone(),
},
dir.loc.start.offset,
dir.loc.end.offset,
);
if self.options.collect_template_expressions {
let scope_id = self.summary.scopes.current_scope().id;
self.summary
.template_expressions
.push(crate::analysis::TemplateExpression {
content: CompactString::new(content),
kind: crate::analysis::TemplateExpressionKind::VOn,
start: dir.loc.start.offset,
end: dir.loc.end.offset,
scope_id,
vif_guard: self.current_vif_guard(),
});
}
let params_added: Vec<CompactString> = self
.summary
.scopes
.current_scope()
.bindings()
.filter(|(name, _)| *name != "$event")
.map(|(name, _)| CompactString::new(name))
.collect();
for param in ¶ms_added {
scope_vars.push(param.clone());
}
if self.options.detect_undefined && self.script_analyzed {
profile!(
"croquis.template.v_on.refs",
self.check_expression_refs(exp, scope_vars, dir.loc.start.offset)
);
}
for _ in ¶ms_added {
scope_vars.pop();
}
self.summary.scopes.exit_scope();
} else {
// Simple handler reference
let has_implicit_event = content.contains("$event") || !content.contains('(');
if has_implicit_event && !content.contains("=>") {
self.summary.scopes.enter_event_handler_scope(
EventHandlerScopeData {
event_name: dir
.arg
.as_ref()
.map(|arg| match arg {
ExpressionNode::Simple(s) => {
CompactString::new(s.content.as_str())
}
ExpressionNode::Compound(c) => {
CompactString::new(c.loc.source.as_str())
}
})
.unwrap_or_else(|| CompactString::const_new("unknown")),
has_implicit_event: true,
param_names: smallvec![],
handler_expression: Some(CompactString::new(content)),
target_component,
},
dir.loc.start.offset,
dir.loc.end.offset,
);
if self.options.collect_template_expressions {
let scope_id = self.summary.scopes.current_scope().id;
self.summary.template_expressions.push(
crate::analysis::TemplateExpression {
content: CompactString::new(content),
kind: crate::analysis::TemplateExpressionKind::VOn,
start: dir.loc.start.offset,
end: dir.loc.end.offset,
scope_id,
vif_guard: self.current_vif_guard(),
},
);
}
scope_vars.push(CompactString::const_new("$event"));
if self.options.detect_undefined && self.script_analyzed {
profile!(
"croquis.template.v_on.refs",
self.check_expression_refs(exp, scope_vars, dir.loc.start.offset)
);
}
scope_vars.pop();
self.summary.scopes.exit_scope();
} else {
if self.options.collect_template_expressions {
let scope_id = self.summary.scopes.current_scope().id;
self.summary.template_expressions.push(
crate::analysis::TemplateExpression {
content: CompactString::new(content),
kind: crate::analysis::TemplateExpressionKind::VOn,
start: dir.loc.start.offset,
end: dir.loc.end.offset,
scope_id,
vif_guard: self.current_vif_guard(),
},
);
}
if self.options.detect_undefined && self.script_analyzed {
profile!(
"croquis.template.v_on.refs",
self.check_expression_refs(exp, scope_vars, dir.loc.start.offset)
);
}
}
}
}
}
}