pinkie 0.2.0

(Almost) compile-time scoped CSS-in-Rust
Documentation 
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use pinkie::css;

macro_rules! test {
    ($title:ident -> { $($slurped:tt)* } @$snap:literal) => {
        #[test]
        fn $title() {
            insta::assert_snapshot!(
                css! { $($slurped)* }.css,
                @$snap
            )
        }
    };
    ($title:ident -> { $($slurped:tt)*} $head:tt $($rest:tt)*) => {
        test! { $title -> { $($slurped)* $head } $($rest)* }
    };
    ($title:ident -> $($slurp:tt)*) => {
        test! { $title -> {} $($slurp)* }
    };
}

test! { class ->
    .class {}

    @".class {}"
}

test! { id ->
    #id {}

    @"#id {}"
}

test! { property ->
    --property: value;
    --kebab-prop: 123;

    @"--property: value; --kebab-prop: 123;"
}

test! { kebab ->
    custom-element {}

    @"custom-element {}"
}

test! { media ->
    @media (min-width: 600px) {}

    @"@media (min-width: 600px) {}"
}

test! { pseudoclass ->
    :root {}
    a:hover {}

    @":root {} a:hover {}"
}

test! { nesting_op ->
    & {}
    &.class {}
    &:hover {}

    @"& {} &.class {} &:hover {}"
}

test! { function_call ->
    color: var(--property);

    @"color: var(--property);"
}

test! { suffixes ->
    font-size: 1rem;
    margin: 15px;
    padding: 25%;

    @"font-size: 1rem; margin: 15px; padding: 25%;"
}

test! { hex_colors ->
    color: #fff;
    border-color: #c0ffee;
    background: #123456;
    outline-color: #00ff00;

    @"color: #fff; border-color: #c0ffee; background: #123456; outline-color: #00ff00;"
}

test! { negative_values ->
    margin: -5px;
    top: -1.5rem;

    @"margin: -5px; top: -1.5rem;"
}

test! { time_units ->
    transition: width 0.1s ease-in-out;

    @"transition: width 0.1s ease-in-out;"
}

test! { strings ->
    content: "hello world";

    @r#"content: "hello world";"#
}

test! { raw_verbatim ->
    r"&:hover { color: blue; }"

    @"&:hover { color: blue; }"
}

test! { important ->
    width: 0 !important;

    @"width: 0 !important;"
}

// css `calc()` requires spaces around `-` - span-based whitespace
// keeps them intact
test! { calc_minus ->
    width: calc(100% - 2px);

    @"width: calc(100% - 2px);"
}

// grid line names legitimately need the space before `[` - it is
// preserved as written
test! { grid_line_names ->
    grid-template-columns: auto [col] 1fr;

    @"grid-template-columns: auto [col] 1fr;"
}

// no space before `[`, so this stays an attribute selector
// rather than becoming a descendant selector
test! { attribute_selector ->
    input[type="text"] {}

    @r#"input[type="text"] {}"#
}