rquickjs_core/loader/
builtin_resolver.rs

1use crate::{loader::Resolver, Ctx, Error, Result};
2use relative_path::RelativePath;
3use std::collections::HashSet;
4
5/// The builtin module resolver
6///
7/// This resolver can also be used as the nested backing resolver in user-defined resolvers.
8#[derive(Debug, Default)]
9pub struct BuiltinResolver {
10    modules: HashSet<String>,
11}
12
13impl BuiltinResolver {
14    /// Add builtin module
15    pub fn add_module<P: Into<String>>(&mut self, path: P) -> &mut Self {
16        self.modules.insert(path.into());
17        self
18    }
19
20    /// Add builtin module
21    #[must_use]
22    pub fn with_module<P: Into<String>>(mut self, path: P) -> Self {
23        self.add_module(path);
24        self
25    }
26}
27
28impl Resolver for BuiltinResolver {
29    fn resolve<'js>(&mut self, _ctx: &Ctx<'js>, base: &str, name: &str) -> Result<String> {
30        let full = if !name.starts_with('.') {
31            name.to_string()
32        } else {
33            let base = RelativePath::new(base);
34            if let Some(dir) = base.parent() {
35                dir.join_normalized(name).to_string()
36            } else {
37                name.to_string()
38            }
39        };
40
41        if self.modules.contains(&full) {
42            Ok(full)
43        } else {
44            Err(Error::new_resolving(base, name))
45        }
46    }
47}
rquickjs_core/loader/builtin_resolver.rs

rquickjs_core/loader/
builtin_resolver.rs
