cli-html/lib/utils/concat-inline-tags.js

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/* eslint-disable unicorn/no-nested-ternary */
 

const concatTwoInlineTags = (first, second) => {
  if (first == null && second == null) {
    return null;
  }

  if (first == null) {
    return second;
  }

  if (second == null) {
    return first;
  }

  if (second.value == null) {
    return {
      pre: first.pre,
      value: first.value,
      post:
        first.post == null
          ? second.pre == null
            ? second.post == null
              ? ''
              : second.post
            : second.pre
          : first.post,
    };
  }

  if (first.value == null) {
    return {
      pre:
        first.pre == null
          ? first.post == null
            ? second.pre == null
              ? ''
              : second.pre
            : first.post
          : first.pre,
      value: second.value,
      post: second.post,
    };
  }

  if (first.post != null) {
    return {
      pre: first.pre,
      value: `${first.value}${first.post}${second.value}`,
      post: second.post,
    };
  }

  if (second.pre != null) {
    return {
      pre: first.pre,
      value: `${first.value}${second.pre}${second.value}`,
      post: second.post,
    };
  }

  return {
    pre: first.pre,
    value: `${first.value}${second.value}`,
    post: second.post,
  };
};

export { concatTwoInlineTags };