1 files changed, 27 insertions, 0 deletions
diff --git a/pkg/utils.go b/pkg/utils.go
new file mode 100644
index 0000000..f62d1c3
--- /dev/null
+++ b/pkg/utils.go
@@ -0,0 +1,27 @@
+package gonf
+
+import (
+	"crypto/sha256"
+)
+
+var builtinTemplateFunctions = map[string]any{
+	//"encodeURIQueryParameter": url.QueryEscape,
+	"var": getVariable,
+}
+
+func FilterSlice[T any](slice *[]T, predicate func(T) bool) {
+	i := 0
+	for _, element := range *slice {
+		if predicate(element) { // if the element matches the predicate function
+			(*slice)[i] = element // then we keep it in the slice
+			i++
+		} // otherwise the element will get overwritten
+	}
+	*slice = (*slice)[:i] // or truncated out of the slice
+}
+
+func sha256sum(contents []byte) []byte {
+	h := sha256.New()
+	h.Write(contents)
+	return h.Sum(nil)
+}