cli/functions/
trim_func.rsuse crate::error::CargoMakeError;
#[cfg(test)]
#[path = "trim_func_test.rs"]
mod trim_func_test;
pub(crate) fn invoke(function_args: &Vec<String>) -> Result<Vec<String>, CargoMakeError> {
if function_args.len() > 2 {
return Err(CargoMakeError::Arity("trim expects up to 2 arguments (environment variable name and optionally start/end trim flag)"));
}
let env_key = function_args[0].clone();
let value = envmnt::get_or(&env_key, "");
let trimmed_value = if function_args.len() == 1 {
value.trim().to_string()
} else {
let trim_type = function_args[1].clone();
match trim_type.as_ref() {
"start" => value.trim_start().to_string(),
"end" => value.trim_end().to_string(),
_ => {
error!("Invalid trim type provided, only start or end are supported.");
return Err(CargoMakeError::MethodCallRestriction(
"Invalid trim type provided, only start or end are supported.",
));
}
}
};
if trimmed_value.len() > 0 {
Ok(vec![trimmed_value])
} else {
Ok(vec![])
}
}