capsule/pkg/template/functions/funcmap.go

// Copyright 2020-2026 Project Capsule Authors
// SPDX-License-Identifier: Apache-2.0

package functions

import (
	"maps"
	"text/template"

	"github.com/go-sprout/sprout/sprigin"
)

// TxtFuncMap returns an aggregated template function map. Currently (custom functions + sprig).
func ExtraFuncMap() template.FuncMap {
	funcMap := sprigin.FuncMap()

	maps.Copy(funcMap, CustomFuncMap())

	// Remove unsafe methods
	delete(funcMap, "env")
	// expandenv is from sprig but still supported in sprout
	// expandEnv is the official sprout successor
	delete(funcMap, "expandenv")
	delete(funcMap, "expandEnv")

	return funcMap
}

// CustomFuncMap return our custom templates.
func CustomFuncMap() template.FuncMap {
	return template.FuncMap{
		"toToml":                      toTOML,
		"fromToml":                    fromTOML,
		"fromYamlArray":               fromYAMLArray,
		"fromJsonArray":               fromJSONArray,
		"deterministicUUID":           deterministicUUID,
		"generateAgeKey":              generateAgeKey,
		"generateAgePQKey":            generateAgePQKey,
		"getResourceByName":           getResourceByName,
		"mustGetResourceByName":       mustGetResourceByName,
		"getResourceByNamespacedName": getResourceByNamespacedName,
	}
}