Support Wasi as target (#216)

* Improve features
* Add wasm32-wasi as a target
* Update .github/workflows/ci.yml
Co-authored-by: morenol <22335041+morenol@users.noreply.github.com>

src/metrics/distance/euclidian.rs

@@ -76,7 +76,10 @@ impl<T: Number, A: ArrayView1<T>> Distance<A> for Euclidian<T> {
 mod tests {
     use super::*;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn squared_distance() {
         let a = vec![1, 2, 3];

src/metrics/distance/hamming.rs

@@ -70,7 +70,10 @@ impl<T: Number, A: ArrayView1<T>> Distance<A> for Hamming<T> {
 mod tests {
     use super::*;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn hamming_distance() {
         let a = vec![1, 0, 0, 1, 0, 0, 1];

src/metrics/distance/mahalanobis.rs

@@ -139,7 +139,10 @@ mod tests {
     use crate::linalg::basic::arrays::ArrayView2;
     use crate::linalg::basic::matrix::DenseMatrix;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn mahalanobis_distance() {
         let data = DenseMatrix::from_2d_array(&[

src/metrics/distance/manhattan.rs

@@ -66,7 +66,10 @@ impl<T: Number, A: ArrayView1<T>> Distance<A> for Manhattan<T> {
 mod tests {
     use super::*;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn manhattan_distance() {
         let a = vec![1., 2., 3.];

src/metrics/distance/minkowski.rs

@@ -71,7 +71,10 @@ impl<T: Number, A: ArrayView1<T>> Distance<A> for Minkowski<T> {
 mod tests {
     use super::*;
 
-    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+    #[cfg_attr(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        wasm_bindgen_test::wasm_bindgen_test
+    )]
     #[test]
     fn minkowski_distance() {
         let a = vec![1., 2., 3.];