rspack_plugin_javascript 0.7.11

rspack javascript plugin
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

use rspack_cacheable::{cacheable, cacheable_dyn};
use rspack_core::{
  AffectType, AsContextDependency, AsModuleDependency, Dependency, DependencyCodeGeneration,
  DependencyId, DependencyRange, DependencyTemplate, DependencyTemplateType, TemplateContext,
  TemplateReplaceSource,
};

use super::local_module::LocalModule;

#[cacheable]
#[derive(Debug, Clone)]
pub struct LocalModuleDependency {
  id: DependencyId,
  local_module: LocalModule,
  range: Option<DependencyRange>,
  call_new: bool,
}

impl LocalModuleDependency {
  pub fn new(local_module: LocalModule, range: Option<DependencyRange>, call_new: bool) -> Self {
    Self {
      id: DependencyId::new(),
      local_module,
      range,
      call_new,
    }
  }
}

#[cacheable_dyn]
impl Dependency for LocalModuleDependency {
  fn id(&self) -> &DependencyId {
    &self.id
  }

  fn range(&self) -> Option<DependencyRange> {
    self.range
  }

  fn could_affect_referencing_module(&self) -> AffectType {
    AffectType::False
  }
}

#[cacheable_dyn]
impl DependencyCodeGeneration for LocalModuleDependency {
  fn dependency_template(&self) -> Option<DependencyTemplateType> {
    Some(LocalModuleDependencyTemplate::template_type())
  }
}

impl AsModuleDependency for LocalModuleDependency {}

impl AsContextDependency for LocalModuleDependency {}

#[cacheable]
#[derive(Debug, Clone, Default)]
pub struct LocalModuleDependencyTemplate;

impl LocalModuleDependencyTemplate {
  pub fn template_type() -> DependencyTemplateType {
    DependencyTemplateType::Custom("LocalModuleDependency")
  }
}

impl DependencyTemplate for LocalModuleDependencyTemplate {
  fn render(
    &self,
    dep: &dyn DependencyCodeGeneration,
    source: &mut TemplateReplaceSource,
    _code_generatable_context: &mut TemplateContext,
  ) {
    let dep = dep
      .as_any()
      .downcast_ref::<LocalModuleDependency>()
      .expect("LocalModuleDependencyTemplate should only be used for LocalModuleDependency");

    if let Some(range) = &dep.range {
      let module_instance = if dep.call_new {
        format!(
          "new (function () {{ return {}; }})()",
          dep.local_module.variable_name()
        )
      } else {
        dep.local_module.variable_name()
      };
      source.replace(range.start, range.end, &module_instance, None);
    }
  }
}