turbopack_ecmascript/text/
mod.rs

1use anyhow::Result;
2use turbo_rcstr::{RcStr, rcstr};
3use turbo_tasks::{ResolvedVc, Vc};
4use turbo_tasks_fs::FileContent;
5use turbopack_core::{
6    asset::{Asset, AssetContent},
7    ident::AssetIdent,
8    source::Source,
9};
10
11use crate::utils::StringifyJs;
12
13/// A source asset that exports the string content of an asset as the default
14/// export of a JS module.
15#[turbo_tasks::value]
16pub struct TextContentFileSource {
17    pub source: ResolvedVc<Box<dyn Source>>,
18}
19
20#[turbo_tasks::value_impl]
21impl TextContentFileSource {
22    #[turbo_tasks::function]
23    pub fn new(source: ResolvedVc<Box<dyn Source>>) -> Vc<Self> {
24        TextContentFileSource { source }.cell()
25    }
26}
27
28#[turbo_tasks::value_impl]
29impl Source for TextContentFileSource {
30    #[turbo_tasks::function]
31    fn ident(&self) -> Vc<AssetIdent> {
32        self.source
33            .ident()
34            .with_modifier(rcstr!("text content"))
35            .rename_as(rcstr!("*.mjs"))
36    }
37
38    #[turbo_tasks::function]
39    async fn description(&self) -> Result<Vc<RcStr>> {
40        let inner = self.source.description().await?;
41        Ok(Vc::cell(format!("text content of {}", inner).into()))
42    }
43}
44
45#[turbo_tasks::value_impl]
46impl Asset for TextContentFileSource {
47    #[turbo_tasks::function]
48    async fn content(&self) -> Result<Vc<AssetContent>> {
49        let source = self.source.content().file_content();
50        let FileContent::Content(content) = &*source.await? else {
51            return Ok(AssetContent::file(FileContent::NotFound.cell()));
52        };
53        let text = content.content().to_str()?;
54        let code: RcStr = format!("export default {};", StringifyJs(&text)).into();
55        let content = FileContent::Content(code.into()).cell();
56        Ok(AssetContent::file(content))
57    }
58}
turbopack_ecmascript/text/mod.rs

turbopack_ecmascript/text/
mod.rs
