maple-core-macro 0.4.3

A VDOM-less web library with fine grained reactivity
Documentation 
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use proc_macro2::TokenStream;
use quote::{quote, ToTokens};
use syn::parse::{Parse, ParseStream};
use syn::punctuated::Punctuated;
use syn::token::{Comma, Paren};
use syn::{parenthesized, Expr, Path, Result};

/// Components are identical to function calls.
pub(crate) struct Component {
    path: Path,
    _paren: Paren,
    args: Punctuated<Expr, Comma>,
}

impl Parse for Component {
    fn parse(input: ParseStream) -> Result<Self> {
        let content;
        Ok(Self {
            path: input.parse()?,
            _paren: parenthesized!(content in input),
            args: content.parse_terminated(Expr::parse)?,
        })
    }
}

impl ToTokens for Component {
    fn to_tokens(&self, tokens: &mut TokenStream) {
        let Component {
            path,
            _paren: _,
            args,
        } = self;

        let quoted = quote! { ::maple_core::reactive::untrack(|| ::maple_core::TemplateResult::inner_element(&#path(#args))) };

        tokens.extend(quoted);
    }
}