export function parse_spec(input) {
    let spec = {};
    let [family_name, ...rest] = input.split(":");
    spec["font"] = family_name.replace("+", " ");
    let variants = [];
    if (rest.length > 0) {
        let contains_italic = false;
        let is_custom_weight = false;
        let raxis = rest.join("");
        let [raxis_tag_list, axis_tuple_list] = raxis.split("@");
        let axis_tag_list = raxis_tag_list.split(",");
        for (let axis of axis_tag_list) {
            if (axis === "ital") {
                contains_italic = true;
            }
            if (axis === "wght") {
                is_custom_weight = true;
            }
        }
        for (let tuple of axis_tuple_list.split(";")) {
            if (contains_italic) {
                let [italic, weight] = tuple.split(",");
                if (weight == null || weight.length === 0) {
                    weight = "400";
                }
                variants.push({
                    weight: Number(weight),
                    style: italic === "1" ? "italic" : "normal",
                });
            }
            else {
                variants.push({
                    weight: Number(tuple),
                    style: "normal",
                });
            }
        }
    }
    else {
        variants.push({
            weight: 400,
            style: "normal",
        });
    }
    spec["variants"] = variants;
    return spec;
}