feat: add Filters

1 files changed, 45 insertions, 0 deletions

diff --git a/util/split/split.go b/util/split/split.go
new file mode 100644
index 0000000..2fc29db
--- /dev/null
+++ b/util/split/split.go
@@ -0,0 +1,45 @@
+package split
+
+import (
+	"strings"
+)
+
+func checkArrayElementsEmpty(array []string) bool {
+	for _, str := range array {
+		if str != "" {
+			return false
+		}
+	}
+	return true
+}
+
+func NewArrayWithSplit(initialArray []string, index int, token string, delimeter string) (result []string) {
+	split := strings.Split(token, delimeter)
+	splitLength := len(split)
+
+	/*
+		When a token only consists of delimeter * N (N >= 0),
+		the resulting split consists of N empty elements.
+		Here we check if it is so and essentialy remove that token
+		from resulting array.
+	*/
+
+	splitIsEmpty := checkArrayElementsEmpty(split)
+	if splitIsEmpty {
+		result = append(initialArray[:index], initialArray[index+1:]...)
+		return result
+	}
+
+	if splitLength > 1 {
+		if split[splitLength-1] == "" {
+			split = split[:splitLength-1]
+		}
+
+		result = append(initialArray[:index], append(split, initialArray[index+1:]...)...)
+	}
+	if splitLength == 1 {
+		result = initialArray
+	}
+
+	return result
+}