feat: initial commit

README.md

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+# chenasraf/goutils
+
+Just some generic & common golang utils I commonly use in Go projects.
+
+```sh
+go get github.com/chenasraf/goutils
+```

go.mod

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+module github.com/chenasraf/utils
+
+go 1.23.0
+
+require github.com/rivo/uniseg v0.4.7

go.sum

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+github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
+github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=

utils.go

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+package utils
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"sort"
+
+	"github.com/rivo/uniseg"
+)
+
+func MapSlice[T, V any](ts []T, fn func(T) V) []V {
+	result := make([]V, len(ts))
+	for i, t := range ts {
+		result[i] = fn(t)
+	}
+	return result
+}
+
+func HandleErr(err error) {
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+}
+
+func FileExists(path string) bool {
+	_, err := os.Stat(path)
+	exists := !os.IsNotExist(err)
+	return exists
+}
+
+func GlobExists(path string) bool {
+	res, err := filepath.Glob(path)
+	HandleErr(err)
+	return res != nil
+}
+
+func ReadFile(path string) string {
+	res, err := os.ReadFile(path)
+	HandleErr(err)
+	return string(res)
+}
+
+func MapKeys[K comparable, V any](mapObj map[K]V) []K {
+	keys := make([]K, len(mapObj))
+	i := 0
+	for k := range mapObj {
+		keys[i] = k
+		i++
+	}
+	return keys
+}
+
+func SliceContains[T comparable](list []T, item T) bool {
+	for _, v := range list {
+		if v == item {
+			return true
+		}
+	}
+	return false
+}
+
+func RunCmd(cmd string, args ...string) (string, error) {
+	res, err := exec.Command(cmd, args...).Output()
+	return string(res), err
+}
+
+func Ternary[T any](cond bool, whenTrue T, whenFalse T) T {
+	if cond {
+		return whenTrue
+	}
+	return whenFalse
+}
+
+func Insert[T any](a []T, i int, item T) []T {
+	return append(a[:i], append([]T{item}, a[i:]...)...)
+}
+
+func SortAlphanumeric(slice []string) []string {
+	sort.SliceStable(slice, func(i, j int) bool {
+		return slice[i] < slice[j]
+	})
+	return slice
+}
+
+func StrLen(str string) int {
+	return uniseg.GraphemeClusterCount(str)
+}