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    );
26    disk_fs.await?.start_watching(None).await?;
27
28    let fs_path = disk_fs.root().await?.join(path)?;
29    Ok(fs_path.read())
30}
31
32#[turbo_tasks::function]
33pub fn content_from_str(string: RcStr) -> Vc<FileContent> {
34    File::from(string).into()
35}
36
37/// Loads a file's content from disk and invalidates on change (debug builds).
38///
39/// In production, this will embed a file's content into the binary directly.
40#[cfg(feature = "dynamic_embed_contents")]
41#[macro_export]
42macro_rules! embed_file {
43    ($path:expr) => {{
44        // check that the file exists at compile time
45        let _ = include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/", $path));
46
47        turbo_tasks_fs::embed::content_from_relative_path(
48            env!("CARGO_MANIFEST_DIR").into(),
49            $path.into(),
50        )
51    }};
52}
53
54/// Embeds a file's content into the binary (production).
55#[cfg(not(feature = "dynamic_embed_contents"))]
56#[macro_export]
57macro_rules! embed_file {
58    ($path:expr) => {
59        turbo_tasks_fs::embed::content_from_str(
60            include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/", $path)).into(),
61        )
62    };
63}
turbo_tasks_fs/embed/file.rs

turbo_tasks_fs/embed/
file.rs
