dioxus/packages/interpreter/build.rs
Jonathan Kelley c75aa48c74
add warning
2024-03-06 18:43:19 -08:00

69 lines
2.1 KiB
Rust

use std::process::Command;
fn main() {
// If any TS changes, re-run the build script
println!("cargo:rerun-if-changed=src/ts/*.ts");
// Compute the hash of the ts files
let hash = hash_ts_files();
// If the hash matches the one on disk, we're good and don't need to update bindings
let expected = include_str!("./src/js/hash.txt").trim();
if expected == hash.to_string() {
return;
}
panic!("Hashes match, no need to update bindings. {expected} != {hash}",);
// Otherwise, generate the bindings and write the new hash to disk
// Generate the bindings for both native and web
gen_bindings("common", "common");
gen_bindings("native", "native");
gen_bindings("core", "core");
std::fs::write("src/js/hash.txt", hash.to_string()).unwrap();
}
/// Hashes the contents of a directory
fn hash_ts_files() -> String {
let mut out = "".to_string();
let files = &[
include_str!("./src/ts/common.ts"),
include_str!("./src/ts/native.ts"),
include_str!("./src/ts/core.ts"),
];
for file in files {
out = format!("{out}{:?}", md5::compute(file));
}
out
}
// okay...... so tsc might fail if the user doesn't have it installed
// we don't really want to fail if that's the case
// but if you started *editing* the .ts files, you're gonna have a bad time
// so.....
// we need to hash each of the .ts files and add that hash to the JS files
// if the hashes don't match, we need to fail the build
// that way we also don't need
fn gen_bindings(input_name: &str, output_name: &str) {
// If the file is generated, and the hash is different, we need to generate it
let status = Command::new("bun")
.arg("build")
.arg(format!("src/ts/{input_name}.ts"))
.arg("--outfile")
.arg(format!("src/js/{output_name}.js"))
.arg("--minify-whitespace")
.arg("--minify-syntax")
.status()
.unwrap();
if !status.success() {
panic!(
"Failed to generate bindings for {}. Make sure you have tsc installed",
input_name
);
}
}