dalbit_core/
manifest.rs

1use anyhow::{Context, Result};
2use indexmap::IndexMap;
3use serde::{Deserialize, Serialize};
4use std::path::{Path, PathBuf};
5use tokio::fs;
6
7use crate::{polyfill::Polyfill, TargetVersion};
8
9pub const DEFAULT_MANIFEST_PATH: &str = "dalbit.toml";
10
11/// Manifest for dalbit transpiler. This is a writable manifest.
12#[derive(Debug, Deserialize, Serialize)]
13pub struct Manifest {
14    input: PathBuf,
15    output: PathBuf,
16    file_extension: Option<String>,
17    target_version: TargetVersion,
18    pub minify: bool,
19    modifiers: IndexMap<String, bool>,
20    polyfill: Option<Polyfill>,
21    #[serde(skip)]
22    path: PathBuf,
23}
24
25impl Default for Manifest {
26    fn default() -> Self {
27        Self {
28            input: Path::new("input.luau").to_owned(),
29            output: Path::new("output.lua").to_owned(),
30            file_extension: Some("lua".to_owned()),
31            target_version: TargetVersion::Lua53,
32            minify: true,
33            modifiers: IndexMap::new(),
34            polyfill: Some(Polyfill::default()),
35            path: Path::new(DEFAULT_MANIFEST_PATH).to_owned(),
36        }
37    }
38}
39
40impl Manifest {
41    /// Load manifest from file.
42    pub async fn from_file(path: impl Into<PathBuf>) -> Result<Self> {
43        let path = path.into();
44        let manifest = fs::read_to_string(&path).await?;
45        let mut manifest: Manifest = toml::from_str(&manifest)
46            .with_context(|| format!("Failed to parse manifest file: {:?}", path))?;
47        manifest.path = path;
48        Ok(manifest)
49    }
50
51    /// Write manifest to file.
52    pub async fn write(&self, path: impl Into<PathBuf>) -> Result<()> {
53        fs::write(path.into(), toml::to_string(self)?).await?;
54        Ok(())
55    }
56
57    #[inline]
58    pub fn input(&self) -> PathBuf {
59        let path = self.path.parent().unwrap().join(&self.input);
60        log::debug!("manifest input path: {:?}", path);
61        path
62    }
63
64    #[inline]
65    pub fn output(&self) -> PathBuf {
66        let path = self.path.parent().unwrap().join(&self.output);
67        log::debug!("manifest output path: {:?}", path);
68        path
69    }
70
71    #[inline]
72    pub fn file_extension(&self) -> &Option<String> {
73        &self.file_extension
74    }
75
76    #[inline]
77    pub fn modifiers(&self) -> &IndexMap<String, bool> {
78        &self.modifiers
79    }
80
81    #[inline]
82    pub fn target_version(&self) -> &TargetVersion {
83        &self.target_version
84    }
85
86    #[inline]
87    pub fn polyfill(&self) -> &Option<Polyfill> {
88        &self.polyfill
89    }
90}
dalbit_core/manifest.rs

dalbit_core/
manifest.rs
