stylua 0.1.0-alpha.3

A code formatter for Lua
Documentation 
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use full_moon::ast::{punctuated::Punctuated, Assignment, LocalAssignment};
use full_moon::tokenizer::TokenReference;
use std::borrow::Cow;

use crate::formatters::CodeFormatter;

impl CodeFormatter {
    pub fn format_assignment<'ast>(&mut self, assignment: Assignment<'ast>) -> Assignment<'ast> {
        let var_list =
            self.format_punctuated(assignment.var_list().to_owned(), &CodeFormatter::format_var);
        let expr_list = self.format_punctuated(
            assignment.expr_list().to_owned(),
            &CodeFormatter::format_expression,
        );

        assignment
            .with_var_list(var_list)
            .with_equal_token(Cow::Owned(TokenReference::symbol(" = ").unwrap()))
            .with_expr_list(expr_list)
    }

    pub fn format_local_assignment<'ast>(
        &mut self,
        assignment: LocalAssignment<'ast>,
    ) -> LocalAssignment<'ast> {
        let local_token = crate::fmt_symbol!(self, assignment.local_token().to_owned(), "local ");
        let name_list = self.format_punctuated(
            assignment.name_list().to_owned(),
            &CodeFormatter::format_token_reference_mut,
        );

        #[cfg(feature = "luau")]
        let type_specifiers = assignment
            .type_specifiers()
            .map(|x| match x {
                Some(type_specifier) => Some(self.format_type_specifier(type_specifier.to_owned())),
                None => None,
            })
            .collect();

        #[cfg(feature = "luau")]
        let assignment = assignment.with_type_specifiers(type_specifiers);

        if assignment.expr_list().is_empty() {
            assignment
                .with_local_token(local_token)
                .with_name_list(name_list)
                .with_equal_token(None)
                .with_expr_list(Punctuated::new())
        } else {
            let equal_token =
                crate::fmt_symbol!(self, assignment.equal_token().unwrap().to_owned(), " = ");
            let expr_list = self.format_punctuated(
                assignment.expr_list().to_owned(),
                &CodeFormatter::format_expression,
            );

            assignment
                .with_local_token(local_token)
                .with_name_list(name_list)
                .with_equal_token(Some(equal_token))
                .with_expr_list(expr_list)
        }
    }
}