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1f2bfe76c1
* docs: Enhance module documentation across various files for clarity and completeness * fix: Remove unnecessary blank line in build.rs for cleaner code * docs: Update documentation to improve clarity and consistency in code comments
72 lines
2.2 KiB
Rust
72 lines
2.2 KiB
Rust
use std::path::Path;
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use std::process::Command;
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fn main() {
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// Only relevant when the serve feature is active
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if std::env::var("CARGO_FEATURE_SERVE").is_err() {
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return;
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}
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let dist_dir = Path::new("src/server/assets/dist");
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let index_html = dist_dir.join("index.html");
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// Re-run build.rs only when dist output is missing/changed
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println!("cargo:rerun-if-changed=src/server/assets/dist/index.html");
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if index_html.exists() {
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// Dist already built, nothing to do
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return;
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}
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// Dist missing, try to build frontend
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let frontend_dir = Path::new("frontend");
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if !frontend_dir.join("package.json").exists() {
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emit_placeholder_and_warn(dist_dir);
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return;
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}
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// Run npm install + build
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println!("cargo:warning=Frontend dist not found, running npm install && npm run build...");
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let npm_install = Command::new("npm")
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.arg("install")
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.current_dir(frontend_dir)
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.status();
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match npm_install {
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Ok(s) if s.success() => {}
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_ => {
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emit_placeholder_and_warn(dist_dir);
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return;
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}
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}
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let npm_build = Command::new("npm")
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.arg("run")
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.arg("build")
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.current_dir(frontend_dir)
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.status();
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match npm_build {
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Ok(s) if s.success() => {
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println!("cargo:warning=Frontend built successfully.");
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}
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_ => {
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emit_placeholder_and_warn(dist_dir);
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}
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}
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}
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fn emit_placeholder_and_warn(dist_dir: &Path) {
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// Create minimal placeholder files so compilation succeeds
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std::fs::create_dir_all(dist_dir).ok();
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std::fs::write(
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dist_dir.join("index.html"),
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"<!DOCTYPE html><html><body><h1>Frontend not built</h1><p>Run: cd frontend && npm install && npm run build</p></body></html>",
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)
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.ok();
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std::fs::write(dist_dir.join("app.js"), "// frontend not built\n").ok();
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std::fs::write(dist_dir.join("style.css"), "/* frontend not built */\n").ok();
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println!(
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"cargo:warning=Node.js/npm not available — wrote placeholder frontend assets. Run 'cd frontend && npm install && npm run build' for the real UI."
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);
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}
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