Match file extensions against blacklist to avoid multiple rebuilds tr…

…iggered by temporary files

src/main.rs

@@ -9,6 +9,8 @@ mod mesh;
 mod model;
 mod window;
 
+use std::collections::HashSet;
+use std::ffi::OsStr;
 use std::{collections::HashMap, sync::mpsc, time::Instant};
 
 use futures::executor::block_on;
@@ -139,6 +141,24 @@ fn main() -> anyhow::Result<()> {
  notify::event::DataChange::Content,
  )) = event.kind
  {
+ let file_ext = event
+ .paths
+ .get(0)
+ .expect("File path missing in watch event")
+ .extension();
+
+ let black_list = HashSet::from([
+ OsStr::new("swp"),
+ OsStr::new("tmp"),
+ OsStr::new("swx"),
+ ]);
+
+ if let Some(ext) = file_ext {
+ if black_list.contains(ext) {
+ return;
+ }
+ }
+
  let shape = match model.load(&parameters) {
  Ok(shape) => shape,
  Err(model::Error::Compile) => {