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use crate::{Ctx, Error, Loaded, Loader, Module, Result, Script};
use std::collections::HashMap;
#[cfg_attr(feature = "doc-cfg", doc(cfg(feature = "loader")))]
#[derive(Debug)]
pub struct BuiltinLoader {
modules: HashMap<String, Vec<u8>>,
}
impl BuiltinLoader {
pub fn add_module<N: Into<String>, S: Into<Vec<u8>>>(
&mut self,
name: N,
source: S,
) -> &mut Self {
self.modules.insert(name.into(), source.into());
self
}
pub fn with_module<N: Into<String>, S: Into<Vec<u8>>>(mut self, name: N, source: S) -> Self {
self.add_module(name, source);
self
}
}
impl Default for BuiltinLoader {
fn default() -> Self {
Self {
modules: HashMap::new(),
}
}
}
impl Loader<Script> for BuiltinLoader {
fn load<'js>(&mut self, ctx: Ctx<'js>, path: &str) -> Result<Module<'js, Loaded<Script>>> {
match self.modules.remove(path) {
Some(source) => Module::new(ctx, path, source),
_ => Err(Error::new_loading(path)),
}
}
}