feat: parse json to serde_json::Value with feature

Signed-off-by: Lachezar Lechev <[email protected]>

official-addons-v2/Cargo.toml

@@ -14,7 +14,14 @@ include = [
     "/README.md"
 ]
 
-[lib]
-doctest = false
+[features]
+
+default = ["json", "std"]
+std = ["serde_json/std", "once_cell/std"]
+
+json = ["serde_json", "once_cell"]
 
 [dependencies]
+
+serde_json = { version = "1", optional = true, default-features = false }
+once_cell = { version = "1", optional = true, default-features = false }

official-addons-v2/src/lib.rs

@@ -1 +1,27 @@
+#[cfg(feature = "json")]
+pub use serde_json::Value;
+#[cfg(feature = "json")]
+use once_cell::sync::Lazy;
+
+/// The JSON file's content
 pub const ADDONS: &'static [u8] = include_bytes!("../addons.json");
+
+#[cfg(feature = "json")]
+/// The JSON file content but after json validation
+pub const ADDONS_JSON: Lazy<Value> =
+    Lazy::new(|| serde_json::from_slice(ADDONS).expect("Valid JSON"));
+
+// todo: parsed addons manifests
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    #[test]
+    #[cfg(feature = "json")]
+    fn addons_file_is_valid_json() {
+        let addons_json = ADDONS_JSON.clone();
+
+        assert_ne!(addons_json, serde_json::Value::Null);
+    }
+}