Fix examples broken on wasm, make bevy dependency optional

Cargo.toml

@@ -12,11 +12,11 @@ repository = "https://github.com/johanhelsing/bevy_pkv"
 [dependencies]
 thiserror = "1.0"
 serde = "1.0"
-bevy_ecs = "0.10" # we need for deriving Resource in PkvStore
+bevy_ecs = { version = "0.10", optional = true } # we need for deriving Resource in PkvStore
 
 [features]
 default = ["bevy"]
-bevy = []
+bevy = ["dep:bevy_ecs"]
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 web-sys = { version = "0.3", default-features = false, features = ["Storage", "Window"] }
@@ -29,12 +29,7 @@ rmp-serde = "1.1"
 directories = "4.0"
 
 [dev-dependencies]
-bevy = { version = "0.10", default-features = false, features = [
-    "bevy_render", # for Color
-    "bevy_winit", # without this, basic example will terminate immediately
-    # "wayland" # wayland is the future for linux (and has less deps => faster ci)
-    "x11", # ... but github actions public runners don't have libxkbcommon :(
-] }
+bevy = { version = "0.10", default-features = false }
 
 [target.'cfg(target_arch = "wasm32")'.dev-dependencies]
 console_error_panic_hook = "0.1"

examples/basic.rs

@@ -1,4 +1,4 @@
-use bevy::prelude::*;
+use bevy::{log::LogPlugin, prelude::*};
 use bevy_pkv::PkvStore;
 use serde::{Deserialize, Serialize};
 
@@ -38,7 +38,8 @@ fn main() {
 
     App::new()
         .insert_resource(PkvStore::new("BevyPkv", "BasicExample"))
-        .add_plugins(DefaultPlugins)
+        .add_plugins(MinimalPlugins)
+        .add_plugin(LogPlugin::default())
         .add_startup_system(setup)
         .run();
 }

examples/migration.rs

@@ -4,14 +4,14 @@
 //!
 //! And it's also a test to show that aliases do work
 
-use bevy::prelude::*;
+use bevy::{log::LogPlugin, prelude::*};
 use bevy_pkv::PkvStore;
 use serde::{Deserialize, Serialize};
 
 #[derive(Serialize, Deserialize)]
 struct UserV1 {
     nick: String,
-    favorite_color: Color,
+    favorite_color: String,
 }
 
 #[derive(Serialize, Deserialize)]
@@ -45,7 +45,7 @@ fn setup(mut pkv: ResMut<PkvStore>) {
     // Let's pretend someone has registered with the UserV1 definition
     let user_v1 = UserV1 {
         nick: "old bob".to_string(),
-        favorite_color: Color::BEIGE,
+        favorite_color: "beige".to_string(),
     };
     pkv.set("user", &user_v1)
         .expect("failed to store User struct");
@@ -64,7 +64,8 @@ fn main() {
 
     App::new()
         .insert_resource(PkvStore::new("BevyPkv", "MigrationExample"))
-        .add_plugins(DefaultPlugins)
+        .add_plugins(MinimalPlugins)
+        .add_plugin(LogPlugin::default())
         .add_startup_system(setup)
         .run();
 }