tablejohn/build.rs

60 lines
1.8 KiB
Rust

use std::{
fs,
path::{Path, PathBuf},
process::Command,
};
use walkdir::WalkDir;
const MIGRATION_DIR: &str = "migrations";
const STATIC_DIR: &str = "static";
const TEMPLATE_DIR: &str = "templates";
const STATIC_OUT_DIR: &str = "target/static";
const STATIC_IGNORE_EXT: &[&str] = &["ts"];
fn watch_dir(path: &Path) {
WalkDir::new(path)
.into_iter()
.for_each(|e| println!("cargo:rerun-if-changed={}", e.unwrap().path().display()));
}
fn run_tsc() {
let status = Command::new("tsc").status().unwrap();
assert!(status.success(), "tsc produced errors");
}
fn copy_static_files() {
let files = WalkDir::new(STATIC_DIR)
.into_iter()
.map(|e| e.unwrap())
.filter(|e| e.file_type().is_file())
.filter(|e| {
let extension = e.path().extension().and_then(|s| s.to_str()).unwrap_or("");
!STATIC_IGNORE_EXT.contains(&extension)
});
for file in files {
let components = file.path().components().collect::<Vec<_>>();
let relative_path = components.into_iter().rev().take(file.depth()).rev();
let mut target = PathBuf::new().join(STATIC_OUT_DIR);
target.extend(relative_path);
fs::create_dir_all(target.parent().unwrap()).unwrap();
fs::copy(file.path(), target).unwrap();
}
}
fn main() {
watch_dir(MIGRATION_DIR.as_ref());
watch_dir(STATIC_DIR.as_ref());
watch_dir(TEMPLATE_DIR.as_ref());
// Since remove_dir_all fails if the directory doesn't exist, we ensure it
// exists before deleting it. This way, we can use the remove_dir_all Result
// to ensure the directory was deleted successfully.
fs::create_dir_all(STATIC_OUT_DIR).unwrap();
fs::remove_dir_all(STATIC_OUT_DIR).unwrap();
run_tsc();
copy_static_files();
}