turbo_tasks_fs/embed/
file.rs

1use std::path::PathBuf;
2
3use anyhow::{Context, Result};
4use dunce::canonicalize;
5use turbo_rcstr::RcStr;
6use turbo_tasks::Vc;
7
8use crate::{DiskFileSystem, File, FileContent, FileSystem};
9
10#[turbo_tasks::function]
11pub async fn content_from_relative_path(
12    package_path: RcStr,
13    path: RcStr,
14) -> Result<Vc<FileContent>> {
15    let package_path = PathBuf::from(package_path);
16    let resolved_path = package_path.join(path);
17    let resolved_path =
18        canonicalize(&resolved_path).context("failed to canonicalize embedded file path")?;
19    let root_path = resolved_path.parent().unwrap();
20    let path = resolved_path.file_name().unwrap().to_str().unwrap();
21
22    let disk_fs = DiskFileSystem::new(
23        root_path.to_string_lossy().into(),
24        root_path.to_string_lossy().into(),
25        vec![],
26    );
27    disk_fs.await?.start_watching(None).await?;
28
29    let fs_path = disk_fs.root().join(path.into());
30    Ok(fs_path.read())
31}
32
33#[turbo_tasks::function]
34pub fn content_from_str(string: RcStr) -> Vc<FileContent> {
35    File::from(string).into()
36}
37
38/// Loads a file's content from disk and invalidates on change (debug builds).
39///
40/// In production, this will embed a file's content into the binary directly.
41#[cfg(feature = "dynamic_embed_contents")]
42#[macro_export]
43macro_rules! embed_file {
44    ($path:expr) => {{
45        // check that the file exists at compile time
46        let _ = include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/", $path));
47
48        turbo_tasks_fs::embed::content_from_relative_path(
49            env!("CARGO_MANIFEST_DIR").into(),
50            $path.into(),
51        )
52    }};
53}
54
55/// Embeds a file's content into the binary (production).
56#[cfg(not(feature = "dynamic_embed_contents"))]
57#[macro_export]
58macro_rules! embed_file {
59    ($path:expr) => {
60        turbo_tasks_fs::embed::content_from_str(
61            include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/", $path)).into(),
62        )
63    };
64}
turbo_tasks_fs/embed/file.rs

turbo_tasks_fs/embed/
file.rs
