Use rayon to parallelize the blog post rendering

rust-lang · Oct 24, 2023 · ff12112 · ff12112
1 parent d6ea45c
commit ff12112
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Showing 3 changed files with 80 additions and 5 deletions.
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/Cargo.toml b/Cargo.toml
@@ -17,6 +17,7 @@ serde_derive = "1.0"
 serde_yaml = "0.8"
 serde_json = "1.0"
 comrak = "0.13"
+rayon = "1.8.0"
 regex = "1.3"
 sass-rs = "0.2"
 chrono = "0.4"

diff --git a/src/lib.rs b/src/lib.rs
@@ -13,6 +13,7 @@ use std::error::Error;
 use std::fs::{self, File};
 use std::io::{self, Write};
 use std::path::{Path, PathBuf};
+use rayon::prelude::*;
 
 struct Generator<'a> {
     handlebars: Handlebars<'a>,
@@ -126,11 +127,9 @@ impl<'a> Generator<'a> {
         self.render_feed(blog)?;
         self.render_releases_feed(blog)?;
 
-        for (i, post) in blog.posts().iter().enumerate() {
-            let path = self.render_post(blog, post)?;
-            if i == 0 {
-                println!("└─ Latest post: {}\n", self.file_url(&path));
-            }
+        let paths = blog.posts().par_iter().map(|post| self.render_post(blog, post)).collect::<Result<Vec<_>, _>>()?;
+        if let Some(path) = paths.first() {
+            println!("└─ Latest post: {}\n", self.file_url(path));
         }
 
         Ok(())