inpm_impl/
lib.rs

1extern crate proc_macro;
2
3use proc_macro2::Span;
4use proc_macro_hack::proc_macro_hack;
5use quote::quote;
6use syn::{parse_macro_input, Error, LitStr, Result};
7
8use crate::dir::Dir;
9use std::path::PathBuf;
10
11mod command;
12mod dir;
13mod file;
14
15fn do_it(path: PathBuf) -> Result<Dir> {
16    let parent = path
17        .parent()
18        .ok_or_else(|| Error::new(Span::call_site(), "No Parent Dir"))?;
19
20    if !parent.exists() {
21        return Err(Error::new(
22            Span::call_site(),
23            format!("Folder {} doesnot exist", parent.display()),
24        ));
25    }
26
27    #[cfg(any(not(debug_assertions), feature = "embed"))]
28    {
29        let parent = parent
30            .canonicalize()
31            .map_err(|e| Error::new(Span::call_site(), format!("{}", e)))?;
32        if !parent.join("package.json").exists() {
33            return Err(Error::new(
34                Span::call_site(),
35                format!("Folder {} doenot contain package.json", parent.display()),
36            ));
37        }
38        command::run_command(
39            vec!["npm", "install", "--no-package-lock", "--no-audit"],
40            &parent,
41        )?;
42        command::run_command(vec!["npm", "run", "build"], &parent)?;
43        if !path.exists() {
44            return Err(Error::new(
45                Span::call_site(),
46                format!("Folder {} doesnot exist after build", path.display()),
47            ));
48        }
49    }
50
51    #[cfg(any(not(debug_assertions), feature = "embed"))]
52    let path = path
53        .canonicalize()
54        .map_err(|e| Error::new(Span::call_site(), format!("{}", e)))?;
55
56    Dir::from_disk(path)
57}
58
59#[proc_macro_hack]
60pub fn include_package(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
61    let path = PathBuf::from(parse_macro_input!(input as LitStr).value());
62
63    do_it(path)
64        .map(|dir| {
65            quote! {
66                #dir
67            }
68        })
69        .unwrap_or_else(|error| error.to_compile_error())
70        .into()
71}
inpm_impl/lib.rs

inpm_impl/
lib.rs
