1 files changed, 40 insertions, 0 deletions
diff --git a/funcs/semver.go b/funcs/semver.go
new file mode 100644
index 00000000..0212c998
--- /dev/null
+++ b/funcs/semver.go
@@ -0,0 +1,40 @@
+package funcs
+
+import (
+	"context"
+
+	"github.com/Masterminds/semver/v3"
+)
+
+// CreateSemverFuncs -
+func CreateSemverFuncs(ctx context.Context) map[string]interface{} {
+	ns := &SemverFuncs{ctx}
+	return map[string]interface{}{
+		"semver": func() interface{} { return ns },
+	}
+}
+
+// SemverFuncs -
+type SemverFuncs struct {
+	ctx context.Context
+}
+
+// Semver -
+func (SemverFuncs) Semver(version string) (*semver.Version, error) {
+	return semver.NewVersion(version)
+}
+
+// CheckConstraint -
+func (SemverFuncs) CheckConstraint(constraint, in string) (bool, error) {
+	c, err := semver.NewConstraint(constraint)
+	if err != nil {
+		return false, err
+	}
+
+	v, err := semver.NewVersion(in)
+	if err != nil {
+		return false, err
+	}
+
+	return c.Check(v), nil
+}