From 62e539de5ce0678f8ec8de83f51a4713bec323f8 Mon Sep 17 00:00:00 2001
From: Ilya Bylich <ibylich@gmail.com>
Date: Fri, 2 Feb 2024 11:20:57 +0100
Subject: [PATCH] add wasmer config, bump version

---
 Cargo.toml          |  4 ++--
 examples/codegen.rs | 32 ++++++++++++--------------------
 wasmer.toml         | 22 ++++++++++++++++++++++
 3 files changed, 36 insertions(+), 22 deletions(-)
 create mode 100644 wasmer.toml

diff --git a/Cargo.toml b/Cargo.toml
index 225bb18..47e6e75 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,9 +5,9 @@ edition = "2021"
 license = "MIT"
 name = "lib-ruby-parser-nodes"
 repository = "https://github.com/lib-ruby-parser/nodes"
-version = "0.55.0"
+version = "0.56.0"
 
 [dependencies]
 liquid = "= 0.26"
 liquid-core = "= 0.26"
-serde = {version = "1.0", features = ["derive"]}
+serde = { version = "1.0", features = ["derive"] }
diff --git a/examples/codegen.rs b/examples/codegen.rs
index a8e62e7..8642c21 100644
--- a/examples/codegen.rs
+++ b/examples/codegen.rs
@@ -3,28 +3,20 @@ fn print_usage_and_exit() -> ! {
     std::process::exit(1);
 }
 
-fn main() {
-    let mut args = std::env::args().collect::<Vec<_>>();
+fn try_arg(key: &str) -> Option<String> {
+    let idx = std::env::args().position(|e| e == key)?;
+    let value = std::env::args().nth(idx + 1)?;
+    Some(value)
+}
 
-    let mut get_arg = |key: &str| {
-        let key_idx = args
-            .iter()
-            .enumerate()
-            .find(|&(_idx, e)| e == key)
-            .unwrap_or_else(|| {
-                eprintln!("Unable to get {} CLI argument", key);
-                print_usage_and_exit()
-            })
-            .0;
-        let _key = args.remove(key_idx);
-        if key_idx >= args.len() {
-            eprintln!("No {} CLI option given", key);
-            print_usage_and_exit();
-        }
-        let value = args.remove(key_idx);
-        value
-    };
+fn get_arg(key: &str) -> String {
+    try_arg(key).unwrap_or_else(|| {
+        eprintln!("No {} CLI option given", key);
+        print_usage_and_exit()
+    })
+}
 
+fn main() {
     let template_path = get_arg("--template");
     let output_path = get_arg("--write-to");
 
diff --git a/wasmer.toml b/wasmer.toml
new file mode 100644
index 0000000..3025d73
--- /dev/null
+++ b/wasmer.toml
@@ -0,0 +1,22 @@
+[package]
+name = 'iliabylich/lib-ruby-parser-nodes'
+version = '0.55.0'
+description = 'Ruby parser nodes data'
+license = 'MIT'
+readme = 'README.md'
+repository = 'https://github.com/lib-ruby-parser/nodes'
+
+# See more keys and definitions at https://docs.wasmer.io/registry/manifest
+
+[[module]]
+name = 'lib-ruby-parser-nodes'
+source = 'target/wasm32-wasi/release/examples/codegen.wasm'
+abi = 'wasi'
+
+[module.interfaces]
+wasi = '0.1.0-unstable'
+
+[[command]]
+name = 'lib-ruby-parser-nodes'
+module = 'lib-ruby-parser-nodes'
+runner = 'wasi'