artushak_web_assets/
lib.rs

1pub mod asset_cache;
2pub mod asset_config;
3pub mod asset_filter;
4pub mod assets;
5mod test;
6
7use std::{fs::File, path::Path};
8
9use log::debug;
10
11use crate::{
12    asset_cache::{AssetCacheManifest, AssetCacheManifestVersioned},
13    asset_config::AssetConfig,
14    asset_filter::AssetFilterRegistry,
15    assets::{AssetFilterError, AssetManifest, AssetResult},
16};
17
18/// Load cache manifest from file.
19pub fn load_cache_manifest<E>(cache_manifest_path: &Path) -> AssetResult<AssetCacheManifest, E>
20where
21    E: AssetFilterError,
22{
23    let cache_manifest: AssetCacheManifestVersioned = if cache_manifest_path.exists() {
24        let cache_manifest_file = std::fs::File::open(cache_manifest_path)?;
25        serde_json::from_reader(cache_manifest_file)?
26    } else {
27        AssetCacheManifestVersioned::default()
28    };
29
30    match cache_manifest {
31        AssetCacheManifestVersioned::V1(cache_manifest_v1) => Ok(cache_manifest_v1),
32    }
33}
34
35/// Process asset manifest and asset cache manifest stored in files. Generate new asset versions if needed.
36pub fn pack<E>(
37    manifest_path: &Path,
38    cache_manifest_path: &Path,
39    config: &AssetConfig,
40    filter_registry: &AssetFilterRegistry<E>,
41) -> AssetResult<(), E>
42where
43    E: AssetFilterError,
44{
45    let manifest: AssetManifest;
46    {
47        let manifest_file = File::open(manifest_path)?;
48        manifest = serde_json::from_reader(manifest_file)?;
49    }
50
51    let cache_manifest: AssetCacheManifestVersioned = if cache_manifest_path.exists() {
52        let cache_manifest_file = std::fs::File::open(cache_manifest_path)?;
53        serde_json::from_reader(cache_manifest_file)?
54    } else {
55        AssetCacheManifestVersioned::default()
56    };
57
58    match cache_manifest {
59        AssetCacheManifestVersioned::V1(mut cache_manifest_v1) => {
60            debug!("Processing assets...");
61
62            let result =
63                cache_manifest_v1.process_public_assets(config, &manifest, filter_registry);
64
65            if result.is_ok() {
66                debug!("Assets were processed");
67            }
68
69            {
70                let cache_manifest_file = std::fs::File::create(cache_manifest_path)?;
71                serde_json::to_writer(
72                    cache_manifest_file,
73                    &AssetCacheManifestVersioned::V1(cache_manifest_v1),
74                )?;
75            }
76
77            result
78        }
79    }
80}
artushak_web_assets/lib.rs

artushak_web_assets/
lib.rs
