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sprig_backward_compatibility.go
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/
sprig_backward_compatibility.go
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package sprout
import (
htemplate "html/template"
ttemplate "text/template"
)
// HermeticTxtFuncMap returns a 'text/template'.FuncMap with only repeatable functions.
func HermeticTxtFuncMap(opts ...FunctionHandlerOption) ttemplate.FuncMap {
r := TxtFuncMap(opts...)
for _, name := range nonhermeticFunctions {
delete(r, name)
}
return r
}
// HermeticHtmlFuncMap returns an 'html/template'.Funcmap with only repeatable functions.
func HermeticHtmlFuncMap(opts ...FunctionHandlerOption) htemplate.FuncMap {
r := HtmlFuncMap(opts...)
for _, name := range nonhermeticFunctions {
delete(r, name)
}
return r
}
// TxtFuncMap returns a 'text/template'.FuncMap
func TxtFuncMap(opts ...FunctionHandlerOption) ttemplate.FuncMap {
return ttemplate.FuncMap(FuncMap(opts...))
}
// HtmlFuncMap returns an 'html/template'.Funcmap
func HtmlFuncMap(opts ...FunctionHandlerOption) htemplate.FuncMap {
return htemplate.FuncMap(FuncMap(opts...))
}
// GenericFuncMap returns a copy of the basic function map as a map[string]interface{}.
func GenericFuncMap(opts ...FunctionHandlerOption) map[string]interface{} {
return FuncMap(opts...)
}
// These functions are not guaranteed to evaluate to the same result for given input, because they
// refer to the environment or global state.
var nonhermeticFunctions = []string{
// Date functions
"date",
"dateInZone",
"dateModify",
"now",
"htmlDate",
"htmlDateInZone",
// Strings
"randAlphaNum",
"randAlpha",
"randAscii",
"randNumeric",
"randBytes",
"uuidv4",
// OS
"env",
"expandenv",
// Network
"getHostByName",
}