import { r as run_all, p as blank_object, e as current_component, d as set_current_component } from './lifecycle-Cykl3Eqn.js';

function ensure_array_like(array_like_or_iterator) {
  return array_like_or_iterator?.length !== void 0 ? array_like_or_iterator : Array.from(array_like_or_iterator);
}
const _boolean_attributes = (
  /** @type {const} */
  [
    "allowfullscreen",
    "allowpaymentrequest",
    "async",
    "autofocus",
    "autoplay",
    "checked",
    "controls",
    "default",
    "defer",
    "disabled",
    "formnovalidate",
    "hidden",
    "inert",
    "ismap",
    "loop",
    "multiple",
    "muted",
    "nomodule",
    "novalidate",
    "open",
    "playsinline",
    "readonly",
    "required",
    "reversed",
    "selected"
  ]
);
const boolean_attributes = /* @__PURE__ */ new Set([..._boolean_attributes]);
const invalid_attribute_name_character = /[\s'">/=\u{FDD0}-\u{FDEF}\u{FFFE}\u{FFFF}\u{1FFFE}\u{1FFFF}\u{2FFFE}\u{2FFFF}\u{3FFFE}\u{3FFFF}\u{4FFFE}\u{4FFFF}\u{5FFFE}\u{5FFFF}\u{6FFFE}\u{6FFFF}\u{7FFFE}\u{7FFFF}\u{8FFFE}\u{8FFFF}\u{9FFFE}\u{9FFFF}\u{AFFFE}\u{AFFFF}\u{BFFFE}\u{BFFFF}\u{CFFFE}\u{CFFFF}\u{DFFFE}\u{DFFFF}\u{EFFFE}\u{EFFFF}\u{FFFFE}\u{FFFFF}\u{10FFFE}\u{10FFFF}]/u;
function spread(args, attrs_to_add) {
  const attributes = Object.assign({}, ...args);
  if (attrs_to_add) {
    const classes_to_add = attrs_to_add.classes;
    const styles_to_add = attrs_to_add.styles;
    if (classes_to_add) {
      if (attributes.class == null) {
        attributes.class = classes_to_add;
      } else {
        attributes.class += " " + classes_to_add;
      }
    }
    if (styles_to_add) {
      if (attributes.style == null) {
        attributes.style = style_object_to_string(styles_to_add);
      } else {
        attributes.style = style_object_to_string(
          merge_ssr_styles(attributes.style, styles_to_add)
        );
      }
    }
  }
  let str = "";
  Object.keys(attributes).forEach((name) => {
    if (invalid_attribute_name_character.test(name))
      return;
    const value = attributes[name];
    if (value === true)
      str += " " + name;
    else if (boolean_attributes.has(name.toLowerCase())) {
      if (value)
        str += " " + name;
    } else if (value != null) {
      str += ` ${name}="${value}"`;
    }
  });
  return str;
}
function merge_ssr_styles(style_attribute, style_directive) {
  const style_object = {};
  for (const individual_style of style_attribute.split(";")) {
    const colon_index = individual_style.indexOf(":");
    const name = individual_style.slice(0, colon_index).trim();
    const value = individual_style.slice(colon_index + 1).trim();
    if (!name)
      continue;
    style_object[name] = value;
  }
  for (const name in style_directive) {
    const value = style_directive[name];
    if (value) {
      style_object[name] = value;
    } else {
      delete style_object[name];
    }
  }
  return style_object;
}
const ATTR_REGEX = /[&"]/g;
const CONTENT_REGEX = /[&<]/g;
function escape(value, is_attr = false) {
  const str = String(value);
  const pattern = is_attr ? ATTR_REGEX : CONTENT_REGEX;
  pattern.lastIndex = 0;
  let escaped = "";
  let last = 0;
  while (pattern.test(str)) {
    const i = pattern.lastIndex - 1;
    const ch = str[i];
    escaped += str.substring(last, i) + (ch === "&" ? "&amp;" : ch === '"' ? "&quot;" : "&lt;");
    last = i + 1;
  }
  return escaped + str.substring(last);
}
function escape_attribute_value(value) {
  const should_escape = typeof value === "string" || value && typeof value === "object";
  return should_escape ? escape(value, true) : value;
}
function escape_object(obj) {
  const result = {};
  for (const key in obj) {
    result[key] = escape_attribute_value(obj[key]);
  }
  return result;
}
function each(items, fn) {
  items = ensure_array_like(items);
  let str = "";
  for (let i = 0; i < items.length; i += 1) {
    str += fn(items[i], i);
  }
  return str;
}
const missing_component = {
  $$render: () => ""
};
function validate_component(component, name) {
  if (!component || !component.$$render) {
    if (name === "svelte:component")
      name += " this={...}";
    throw new Error(
      `<${name}> is not a valid SSR component. You may need to review your build config to ensure that dependencies are compiled, rather than imported as pre-compiled modules. Otherwise you may need to fix a <${name}>.`
    );
  }
  return component;
}
let on_destroy;
function create_ssr_component(fn) {
  function $$render(result, props, bindings, slots, context) {
    const parent_component = current_component;
    const $$ = {
      on_destroy,
      context: new Map(context || (parent_component ? parent_component.$$.context : [])),
      // these will be immediately discarded
      on_mount: [],
      before_update: [],
      after_update: [],
      callbacks: blank_object()
    };
    set_current_component({ $$ });
    const html = fn(result, props, bindings, slots);
    set_current_component(parent_component);
    return html;
  }
  return {
    render: (props = {}, { $$slots = {}, context = /* @__PURE__ */ new Map() } = {}) => {
      on_destroy = [];
      const result = { title: "", head: "", css: /* @__PURE__ */ new Set() };
      const html = $$render(result, props, {}, $$slots, context);
      run_all(on_destroy);
      return {
        html,
        css: {
          code: Array.from(result.css).map((css) => css.code).join("\n"),
          map: null
          // TODO
        },
        head: result.title + result.head
      };
    },
    $$render
  };
}
function add_attribute(name, value, boolean) {
  if (value == null || boolean && !value)
    return "";
  const assignment = boolean && value === true ? "" : `="${escape(value, true)}"`;
  return ` ${name}${assignment}`;
}
function style_object_to_string(style_object) {
  return Object.keys(style_object).filter((key) => style_object[key]).map((key) => `${key}: ${escape_attribute_value(style_object[key])};`).join(" ");
}
function add_styles(style_object) {
  const styles = style_object_to_string(style_object);
  return styles ? ` style="${styles}"` : "";
}

export { each as a, add_attribute as b, create_ssr_component as c, escape_attribute_value as d, escape as e, escape_object as f, add_styles as g, merge_ssr_styles as h, missing_component as m, spread as s, validate_component as v };
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