From 6035689f31e760efbf2713276585892e1c072482 Mon Sep 17 00:00:00 2001
From: pawurb <contact@pawelurbanek.com>
Date: Fri, 18 Oct 2024 12:06:21 +0200
Subject: [PATCH 1/2] Add cron worker example

---
 Cargo.lock                  | 17 +++++++++++++++++
 examples/cron/.gitignore    |  1 +
 examples/cron/Cargo.toml    | 18 ++++++++++++++++++
 examples/cron/README.md     |  3 +++
 examples/cron/src/lib.rs    |  6 ++++++
 examples/cron/wrangler.toml | 13 +++++++++++++
 6 files changed, 58 insertions(+)
 create mode 100644 examples/cron/.gitignore
 create mode 100644 examples/cron/Cargo.toml
 create mode 100644 examples/cron/README.md
 create mode 100644 examples/cron/src/lib.rs
 create mode 100644 examples/cron/wrangler.toml

diff --git a/Cargo.lock b/Cargo.lock
index 6738e5804..e1f2ca7fb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -556,6 +556,14 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "cron-worker"
+version = "0.1.0"
+dependencies = [
+ "wasm-rs-dbg",
+ "worker",
+]
+
 [[package]]
 name = "crossbeam-utils"
 version = "0.8.20"
@@ -3178,6 +3186,15 @@ dependencies = [
  "which",
 ]
 
+[[package]]
+name = "wasm-rs-dbg"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61e5fe4ac478ca5cf1db842029f41a5881da39e70320deb0006912f226ea63f4"
+dependencies = [
+ "web-sys",
+]
+
 [[package]]
 name = "wasm-streams"
 version = "0.4.1"
diff --git a/examples/cron/.gitignore b/examples/cron/.gitignore
new file mode 100644
index 000000000..eb5a316cb
--- /dev/null
+++ b/examples/cron/.gitignore
@@ -0,0 +1 @@
+target
diff --git a/examples/cron/Cargo.toml b/examples/cron/Cargo.toml
new file mode 100644
index 000000000..f82227cad
--- /dev/null
+++ b/examples/cron/Cargo.toml
@@ -0,0 +1,18 @@
+[package]
+name = "cron-worker"
+version = "0.1.0"
+edition = "2021"
+
+[package.metadata.release]
+release = false
+
+# https://github.com/rustwasm/wasm-pack/issues/1247
+[package.metadata.wasm-pack.profile.release]
+wasm-opt = false
+
+[lib]
+crate-type = ["cdylib"]
+
+[dependencies]
+worker = { workspace = true }
+wasm-rs-dbg = "0.1.2"
diff --git a/examples/cron/README.md b/examples/cron/README.md
new file mode 100644
index 000000000..f843e54a6
--- /dev/null
+++ b/examples/cron/README.md
@@ -0,0 +1,3 @@
+# `cron-worker` on Cloudflare Workers
+
+Demonstration of using cron Worker invocation.
diff --git a/examples/cron/src/lib.rs b/examples/cron/src/lib.rs
new file mode 100644
index 000000000..352bd7cc1
--- /dev/null
+++ b/examples/cron/src/lib.rs
@@ -0,0 +1,6 @@
+use worker::*;
+
+#[event(scheduled)]
+async fn scheduled(_evt: ScheduledEvent, _env: Env, _ctx: ScheduleContext) {
+    wasm_rs_dbg::dbg!("Hello cron!");
+}
diff --git a/examples/cron/wrangler.toml b/examples/cron/wrangler.toml
new file mode 100644
index 000000000..6f30c88f0
--- /dev/null
+++ b/examples/cron/wrangler.toml
@@ -0,0 +1,13 @@
+name = "cron-worker"
+main = "build/worker/shim.mjs"
+compatibility_date = "2023-03-22"
+
+[build]
+command = "cargo install worker-build && worker-build --release"
+
+[triggers]
+crons = ["*/5 * * * *"]
+
+[observability]
+enabled = true
+head_sampling_rate = 1

From f3e4bb88f3232dc3a7f84d5c88b4d48614481300 Mon Sep 17 00:00:00 2001
From: pawurb <contact@pawelurbanek.com>
Date: Fri, 25 Oct 2024 11:21:48 +0200
Subject: [PATCH 2/2] CR fixes

---
 Cargo.lock                  | 10 ----------
 examples/cron/Cargo.toml    |  1 -
 examples/cron/src/lib.rs    |  2 +-
 examples/cron/wrangler.toml |  1 +
 4 files changed, 2 insertions(+), 12 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index e1f2ca7fb..5abefad09 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -560,7 +560,6 @@ dependencies = [
 name = "cron-worker"
 version = "0.1.0"
 dependencies = [
- "wasm-rs-dbg",
  "worker",
 ]
 
@@ -3186,15 +3185,6 @@ dependencies = [
  "which",
 ]
 
-[[package]]
-name = "wasm-rs-dbg"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61e5fe4ac478ca5cf1db842029f41a5881da39e70320deb0006912f226ea63f4"
-dependencies = [
- "web-sys",
-]
-
 [[package]]
 name = "wasm-streams"
 version = "0.4.1"
diff --git a/examples/cron/Cargo.toml b/examples/cron/Cargo.toml
index f82227cad..1f48e96a2 100644
--- a/examples/cron/Cargo.toml
+++ b/examples/cron/Cargo.toml
@@ -15,4 +15,3 @@ crate-type = ["cdylib"]
 
 [dependencies]
 worker = { workspace = true }
-wasm-rs-dbg = "0.1.2"
diff --git a/examples/cron/src/lib.rs b/examples/cron/src/lib.rs
index 352bd7cc1..44997782d 100644
--- a/examples/cron/src/lib.rs
+++ b/examples/cron/src/lib.rs
@@ -2,5 +2,5 @@ use worker::*;
 
 #[event(scheduled)]
 async fn scheduled(_evt: ScheduledEvent, _env: Env, _ctx: ScheduleContext) {
-    wasm_rs_dbg::dbg!("Hello cron!");
+    console_log!("Hello cron!");
 }
diff --git a/examples/cron/wrangler.toml b/examples/cron/wrangler.toml
index 6f30c88f0..857076c08 100644
--- a/examples/cron/wrangler.toml
+++ b/examples/cron/wrangler.toml
@@ -6,6 +6,7 @@ compatibility_date = "2023-03-22"
 command = "cargo install worker-build && worker-build --release"
 
 [triggers]
+# Run every 5 minutes. https://developers.cloudflare.com/workers/configuration/cron-triggers/
 crons = ["*/5 * * * *"]
 
 [observability]