feat: add array and sum node

nodes/max/plantarium/triangle/.gitignore

@@ -0,0 +1,6 @@
+/target
+**/*.rs.bk
+Cargo.lock
+bin/
+pkg/
+wasm-pack.log

nodes/max/plantarium/triangle/Cargo.toml

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+[package]
+name = "triangle"
+version = "0.1.0"
+authors = ["Max Richter <jim-x@web.de>"]
+edition = "2018"
+
+[lib]
+crate-type = ["cdylib", "rlib"]
+
+[features]
+default = ["console_error_panic_hook"]
+
+[dependencies]
+wasm-bindgen = "0.2.84"
+
+# The `console_error_panic_hook` crate provides better debugging of panics by
+# logging them with `console.error`. This is great for development, but requires
+# all the `std::fmt` and `std::panicking` infrastructure, so isn't great for
+# code size when deploying.
+plantarium = { version = "0.1.0", path = "../../../../packages/plantarium" }
+serde = { version = "1.0", features = ["derive"] }
+serde-wasm-bindgen = "0.4"
+console_error_panic_hook = { version = "0.1.7", optional = true }
+
+[dev-dependencies]
+wasm-bindgen-test = "0.3.34"
+
+[profile.release]
+# Tell `rustc` to optimize for small code size.
+opt-level = "s"

nodes/max/plantarium/triangle/package.json

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+{
+  "scripts": {
+    "build": "wasm-pack build --release --out-name index --no-default-features"
+  }
+}

nodes/max/plantarium/triangle/src/lib.rs

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+mod utils;
+use plantarium::{evaluate_parameters, unwrap_int, unwrap_string};
+use wasm_bindgen::prelude::*;
+
+// lifted from the `console_log` example
+#[wasm_bindgen]
+extern "C" {
+    #[wasm_bindgen(js_namespace = console)]
+    fn log(s: &str);
+}
+
+#[wasm_bindgen]
+pub fn get_outputs() -> Vec<String> {
+    vec!["float".to_string()]
+}
+
+#[wasm_bindgen]
+pub fn get_input_types() -> String {
+    utils::set_panic_hook();
+    r#"{
+        "min": { "type": "float", "value": 2 },
+        "max": { "type": "float", "value": 2 },
+        "seed": { "type": "seed" }
+    }"#
+    .to_string()
+}
+
+struct El {
+    value: Option<f64>,
+    array: Option<Vec<f64>>,
+    nested: Option<Box<El>>,
+}
+
+#[rustfmt::skip]
+#[wasm_bindgen]
+pub fn execute(var_min: JsValue, var_max: JsValue, var_seed: JsValue) -> Vec<f64> {
+    utils::set_panic_hook();
+
+
+    // construct vertices of a triangle
+    let min= evaluate_parameters(var_min);
+
+    return vec![
+        0.0, 0.0, 0.0,
+        min, 0.0, 0.0,
+        min, min, 0.0
+    ];
+}

nodes/max/plantarium/triangle/src/utils.rs

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+pub fn set_panic_hook() {
+    // When the `console_error_panic_hook` feature is enabled, we can call the
+    // `set_panic_hook` function at least once during initialization, and then
+    // we will get better error messages if our code ever panics.
+    //
+    // For more details see
+    // https://github.com/rustwasm/console_error_panic_hook#readme
+    #[cfg(feature = "console_error_panic_hook")]
+    console_error_panic_hook::set_once();
+}

nodes/max/plantarium/triangle/tests/web.rs

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+//! Test suite for the Web and headless browsers.
+
+#![cfg(target_arch = "wasm32")]
+
+extern crate wasm_bindgen_test;
+use wasm_bindgen_test::*;
+
+wasm_bindgen_test_configure!(run_in_browser);
+
+#[wasm_bindgen_test]
+fn pass() {
+    assert_eq!(1 + 1, 2);
+}