Function attributesToString

packages/beth-stack/src/jsx/utils.ts:131–231

(attributes: object)

}

export function attributesToString(attributes: object): string {
  if (!attributes) {
    return "";
  }

  const keys = Object.keys(attributes);
  const length = keys.length;

  let key, value, type;
  let result = "";
  let index = 0;

  for (; index < length; index++) {
    key = keys[index];

    // Skips all @kitajs/html specific attributes.
    if (key === "children" || key === "safe") {
      continue;
    }

    // @ts-expect-error - this indexing is safe.
    value = attributes[key];

    // React className compatibility.
    if (key === "className") {
      // @ts-expect-error - both were provided, so use the class attribute.
      if (attributes.class !== undefined) {
        continue;
      }

      key = "class";
    }

    if (key === "style") {
      result += ' style="' + styleToString(value) + '"';
      continue;
    }

    type = typeof value;

    if (type === "boolean") {
      // Only add the attribute if the value is true.
      if (value) {
        result += " " + key;
      }

      continue;
    }

    if (value === null || value === undefined) {
      continue;
    }

    result += " " + key;

    if (type !== "string") {
      // Non objects are
      if (type !== "object") {