1use anyhow::Context;
2use manganis::AssetOptions;
3use manganis_core::BundledAsset;
4use rayon::iter::{IntoParallelRefIterator, ParallelIterator};
5use serde::{Deserialize, Serialize};
6use std::collections::{BTreeMap, HashSet};
7use std::path::{Path, PathBuf};
8use std::sync::{Arc, RwLock};
9
10mod build_info;
11mod css;
12mod file;
13mod folder;
14mod hash;
15mod image;
16mod js;
17mod json;
18
19pub use file::process_file_to;
20pub use hash::add_hash_to_asset;
21
22#[derive(Debug, PartialEq, Default, Clone, Serialize, Deserialize)]
26pub struct AssetManifest {
27 assets: BTreeMap<PathBuf, HashSet<BundledAsset>>,
29}
30
31impl AssetManifest {
32 pub fn register_asset(
34 &mut self,
35 asset_path: &Path,
36 options: manganis::AssetOptions,
37 ) -> anyhow::Result<BundledAsset> {
38 let output_path_str = asset_path.to_str().ok_or(anyhow::anyhow!(
39 "Failed to convert wasm bindgen output path to string"
40 ))?;
41
42 let mut bundled_asset =
43 manganis::macro_helpers::create_bundled_asset(output_path_str, options);
44 add_hash_to_asset(&mut bundled_asset);
45
46 self.assets
47 .entry(asset_path.to_path_buf())
48 .or_default()
49 .insert(bundled_asset);
50
51 Ok(bundled_asset)
52 }
53
54 pub fn insert_asset(&mut self, asset: BundledAsset) {
56 let asset_path = asset.absolute_source_path();
57 self.assets
58 .entry(asset_path.into())
59 .or_default()
60 .insert(asset);
61 }
62
63 pub fn get_assets_for_source(&self, path: &Path) -> Option<&HashSet<BundledAsset>> {
65 self.assets.get(path)
66 }
67
68 pub fn get_first_asset_for_source(&self, path: &Path) -> Option<&BundledAsset> {
70 self.assets
71 .get(path)
72 .and_then(|assets| assets.iter().next())
73 }
74
75 pub fn contains(&self, asset: &BundledAsset) -> bool {
77 self.assets
78 .get(&PathBuf::from(asset.absolute_source_path()))
79 .is_some_and(|assets| assets.contains(asset))
80 }
81
82 pub fn unique_assets(&self) -> impl Iterator<Item = &BundledAsset> {
85 let mut seen = HashSet::new();
86 self.assets
87 .values()
88 .flat_map(|assets| assets.iter())
89 .filter(move |asset| seen.insert(asset.bundled_path()))
90 }
91
92 pub fn load_from_file(path: &Path) -> anyhow::Result<Self> {
93 let src = std::fs::read_to_string(path)?;
94
95 serde_json::from_str(&src)
96 .with_context(|| format!("Failed to parse asset manifest from {path:?}\n{src}"))
97 }
98}
99
100pub fn optimize_all_assets(
102 assets_to_transfer: Vec<(PathBuf, PathBuf, AssetOptions)>,
103 on_optimization_start: impl FnMut(&Path, &Path, &AssetOptions) + Sync + Send,
104 on_optimization_end: impl FnMut(&Path, &Path, &AssetOptions) + Sync + Send,
105) -> anyhow::Result<()> {
106 let on_optimization_start = Arc::new(RwLock::new(on_optimization_start));
107 let on_optimization_end = Arc::new(RwLock::new(on_optimization_end));
108 assets_to_transfer
109 .par_iter()
110 .try_for_each(|(from, to, options)| {
111 {
112 let mut on_optimization_start = on_optimization_start.write().unwrap();
113 on_optimization_start(from, to, options);
114 }
115
116 let res = process_file_to(options, from, to);
117 if let Err(err) = res.as_ref() {
118 tracing::error!("Failed to copy asset {from:?}: {err}");
119 }
120
121 {
122 let mut on_optimization_end = on_optimization_end.write().unwrap();
123 on_optimization_end(from, to, options);
124 }
125
126 res.map(|_| ())
127 })
128}