fix: values default for permissions (hadenlabs#24)

docs/include/terraform.md

@@ -29,9 +29,9 @@ No modules.
 
 | Name | Description | Type | Default | Required |
 |------|-------------|------|---------|:--------:|
-| <a name="input_maintainers"></a> [maintainers](#input\_maintainers) | This members role maintainers | `list(string)` | `null` | no |
-| <a name="input_members"></a> [members](#input\_members) | This members role member | `list(string)` | `null` | no |
-| <a name="input_permissions"></a> [permissions](#input\_permissions) | Add permissions of repository for team | <pre>list(object({<br>    repository = string<br>    permission = string<br>  }))</pre> | `null` | no |
+| <a name="input_maintainers"></a> [maintainers](#input\_maintainers) | This members role maintainers | `list(string)` | `[]` | no |
+| <a name="input_members"></a> [members](#input\_members) | This members role member | `list(string)` | `[]` | no |
+| <a name="input_permissions"></a> [permissions](#input\_permissions) | Add permissions of repository for team | <pre>list(object({<br>    repository = string<br>    permission = string<br>  }))</pre> | `[]` | no |
 | <a name="input_team"></a> [team](#input\_team) | This team to create | <pre>object({<br>    name        = string<br>    description = string<br>    privacy     = string<br>  })</pre> | n/a | yes |
 
 ## Outputs

main.tf

@@ -5,23 +5,23 @@ resource "github_team" "this" {
 }
 
 resource "github_team_membership" "maintainers" {
-  count      = length(var.maintainers)
+  count      = length(try(var.maintainers, 0))
   team_id    = github_team.this.id
   username   = element(var.maintainers, count.index)
   role       = "maintainer"
   depends_on = [github_team.this]
 }
 
 resource "github_team_membership" "members" {
-  count      = length(var.members)
+  count      = length(try(var.members, 0))
   team_id    = github_team.this.id
   username   = element(var.members, count.index)
   role       = "member"
   depends_on = [github_team.this]
 }
 
 resource "github_team_repository" "this" {
-  count      = length(var.permissions)
+  count      = length(try(var.permissions, 0))
   team_id    = github_team.this.id
   repository = element(var.permissions, count.index).repository
   permission = element(var.permissions, count.index).permission

variables.tf

@@ -10,13 +10,13 @@ variable "team" {
 variable "maintainers" {
   description = "This members role maintainers"
   type        = list(string)
-  default     = null
+  default     = []
 }
 
 variable "members" {
   description = "This members role member"
   type        = list(string)
-  default     = null
+  default     = []
 }
 
 variable "permissions" {
@@ -25,5 +25,5 @@ variable "permissions" {
     repository = string
     permission = string
   }))
-  default = null
+  default = []
 }