add default value capability with double pipe syntax

Author: jaredfholgate

alz/azuredevops/outputs.tf

@@ -5,3 +5,7 @@ output "details" {
     starter_module_name = var.starter_module_name
   }
 }
+
+output "test" {
+  value = module.file_manipulation.test
+}

modules/file_manipulation/locals.bicep.tf

@@ -6,10 +6,26 @@ locals {
   networking_type  = local.is_bicep_iac_type ? try(local.bicep_parameters.network_type, local.bicep_parameters.networkType) : ""
 }
 
+output "test" {
+  value = local.bicep_module_files_defaults_found
+}
+
+locals {
+  bicep_module_files_defaults_found = distinct(flatten([for key, value in local.module_files_filtered : [
+    for template in regexall("(\\{\\{[\\s]*.*?[\\s]*\\}\\})", value.content) :
+    replace(replace(template[0], "{{", ""), "}}", "") if length(template) > 0 && strcontains(template[0], "||")
+    ] if endswith(key, ".bicepparam")
+  ]))
+
+  bicep_module_files_defaults = { for item in local.bicep_module_files_defaults_found :
+    (split("||", item)[0]) => split("||", item)[1]
+  }
+}
+
 locals {
   bicep_module_files_prepped_for_templating = { for key, value in local.module_files_filtered : key =>
     {
-      content = replace(replace(replace(value.content, "$${", "$$${"), "{{", "$${"), "}}", "}")
+      content = replace(replace(replace(replace(value.content, "/(\\|\\|[\\s]*.*?[\\s]*\\}\\})/", "}}"), "$${", "$$${"), "{{", "$${"), "}}", "}")
     } if endswith(key, ".bicepparam")
   }
 
@@ -23,7 +39,9 @@ locals {
     unique_postfix       = var.resource_names.unique_postfix
     time_stamp           = var.resource_names.time_stamp
     time_stamp_formatted = var.resource_names.time_stamp_formatted
-  }, local.bicep_parameters)
+    },
+    local.bicep_module_files_defaults,
+  local.bicep_parameters)
 }
 
 locals {