guess_tspec_object.md
In tibblify: Rectangle Nested Lists

guess_tspec_object gives nice errors

Code
  (expect_error(guess_tspec_object(tibble(a = 1))))
Output
  <error/rlang_error>
  Error in `guess_tspec_object()`:
  ! `x` must not be a dataframe.
  i Did you want to use `guess_tspec_df()` instead?
Code
  (expect_error(guess_tspec_object(1:3)))
Output
  <error/rlang_error>
  Error in `guess_tspec_object()`:
  ! `x` must be a list, not an integer vector.

Code
  (expect_error(guess_tspec_object(list(1, a = 1))))
Output
  <error/rlang_error>
  Error in `guess_tspec_object()`:
  ! `x` must be fully named.
Code
  (expect_error(guess_tspec_object(list(a = 1, a = 1))))
Output
  <error/rlang_error>
  Error in `guess_tspec_object()`:
  ! Names of `x` must be unique.

guess_tspec_object informs about unspecified elements

Code
  guess_tspec_object(x, inform_unspecified = TRUE)
Message
  The spec contains 9 unspecified fields:
  * blockNames
  * events->description
  * events->subjectCode
  * events->subtitle
  * performances->logo
  * performances->name
  * performances->seatCategories->areas->blockIds
  * performances->seatMapImage
  * subjectNames
Output
  object omitted

guess_tspec_object can guess spec for citm_catalog

Code
  guess_tspec_object(x, simplify_list = FALSE)
Output
  tspec_object(
    tib_row(
      "areaNames",
      tib_chr("205705993"),
      tib_chr("205705994"),
      tib_chr("205705995"),
    ),
    tib_row(
      "audienceSubCategoryNames",
      tib_chr("337100890"),
    ),
    tib_unspecified("blockNames"),
    tib_df(
      "events",
      .names_to = ".names",
      tib_unspecified("description"),
      tib_int("id"),
      tib_chr("logo"),
      tib_chr("name"),
      tib_int_vec("subTopicIds"),
      tib_unspecified("subjectCode"),
      tib_unspecified("subtitle"),
      tib_int_vec("topicIds"),
    ),
    tib_df(
      "performances",
      tib_int("eventId"),
      tib_int("id"),
      tib_unspecified("logo"),
      tib_unspecified("name"),
      tib_df(
        "prices",
        tib_int("amount"),
        tib_int("audienceSubCategoryId"),
        tib_int("seatCategoryId"),
      ),
      tib_df(
        "seatCategories",
        tib_df(
          "areas",
          tib_int("areaId"),
          tib_unspecified("blockIds"),
        ),
        tib_int("seatCategoryId"),
      ),
      tib_unspecified("seatMapImage"),
      tib_dbl("start"),
      tib_chr("venueCode"),
    ),
    tib_row(
      "seatCategoryNames",
      tib_chr("338937235"),
      tib_chr("338937236"),
      tib_chr("338937238"),
    ),
    tib_row(
      "subTopicNames",
      tib_chr("337184262"),
      tib_chr("337184263"),
      tib_chr("337184267"),
    ),
    tib_unspecified("subjectNames"),
    tib_row(
      "topicNames",
      tib_chr("107888604"),
      tib_chr("324846098"),
      tib_chr("324846099"),
      tib_chr("324846100"),
    ),
    tib_row(
      "topicSubTopics",
      tib_int_vec("107888604"),
      tib_int("324846098"),
      tib_int_vec("324846099"),
      tib_int_vec("324846100"),
    ),
    tib_row(
      "venueNames",
      tib_chr("PLEYEL_PLEYEL"),
    ),
  )

guess_tspec_object can guess spec for twitter

Code
  guess_tspec_object(read_sample_json("twitter.json"))
Output
  tspec_object(
    tib_df(
      "statuses",
      tib_row(
        "metadata",
        tib_chr("result_type"),
        tib_chr("iso_language_code"),
      ),
      tib_chr("created_at"),
      tib_dbl("id"),
      tib_chr("id_str"),
      tib_chr("text"),
      tib_chr("source"),
      tib_lgl("truncated"),
      tib_dbl("in_reply_to_status_id"),
      tib_chr("in_reply_to_status_id_str"),
      tib_int("in_reply_to_user_id"),
      tib_chr("in_reply_to_user_id_str"),
      tib_chr("in_reply_to_screen_name"),
      tib_row(
        "user",
        tib_dbl("id"),
        tib_chr("id_str"),
        tib_chr("name"),
        tib_chr("screen_name"),
        tib_chr("location"),
        tib_chr("description"),
        tib_chr("url"),
        tib_df(
          "entities",
          .names_to = ".names",
          tib_df(
            "urls",
            tib_chr("url"),
            tib_chr("expanded_url"),
            tib_chr("display_url"),
            tib_int_vec("indices"),
          ),
        ),
        tib_lgl("protected"),
        tib_int("followers_count"),
        tib_int("friends_count"),
        tib_int("listed_count"),
        tib_chr("created_at"),
        tib_int("favourites_count"),
        tib_int("utc_offset"),
        tib_chr("time_zone"),
        tib_lgl("geo_enabled"),
        tib_lgl("verified"),
        tib_int("statuses_count"),
        tib_chr("lang"),
        tib_lgl("contributors_enabled"),
        tib_lgl("is_translator"),
        tib_lgl("is_translation_enabled"),
        tib_chr("profile_background_color"),
        tib_chr("profile_background_image_url"),
        tib_chr("profile_background_image_url_https"),
        tib_lgl("profile_background_tile"),
        tib_chr("profile_image_url"),
        tib_chr("profile_image_url_https"),
        tib_chr("profile_banner_url", .required = FALSE),
        tib_chr("profile_link_color"),
        tib_chr("profile_sidebar_border_color"),
        tib_chr("profile_sidebar_fill_color"),
        tib_chr("profile_text_color"),
        tib_lgl("profile_use_background_image"),
        tib_lgl("default_profile"),
        tib_lgl("default_profile_image"),
        tib_lgl("following"),
        tib_lgl("follow_request_sent"),
        tib_lgl("notifications"),
      ),
      tib_unspecified("geo"),
      tib_unspecified("coordinates"),
      tib_unspecified("place"),
      tib_unspecified("contributors"),
      tib_int("retweet_count"),
      tib_int("favorite_count"),
      tib_row(
        "entities",
        tib_df(
          "hashtags",
          tib_chr("text"),
          tib_int_vec("indices"),
        ),
        tib_unspecified("symbols"),
        tib_unspecified("urls"),
        tib_df(
          "user_mentions",
          tib_chr("screen_name"),
          tib_chr("name"),
          tib_int("id"),
          tib_chr("id_str"),
          tib_int_vec("indices"),
        ),
        tib_df(
          "media",
          .required = FALSE,
          tib_dbl("id"),
          tib_chr("id_str"),
          tib_int_vec("indices"),
          tib_chr("media_url"),
          tib_chr("media_url_https"),
          tib_chr("url"),
          tib_chr("display_url"),
          tib_chr("expanded_url"),
          tib_chr("type"),
          tib_df(
            "sizes",
            .names_to = ".names",
            tib_int("w"),
            tib_int("h"),
            tib_chr("resize"),
          ),
          tib_dbl("source_status_id"),
          tib_chr("source_status_id_str"),
        ),
      ),
      tib_lgl("favorited"),
      tib_lgl("retweeted"),
      tib_chr("lang"),
      tib_row(
        "retweeted_status",
        .required = FALSE,
        tib_row(
          "metadata",
          .required = FALSE,
          tib_chr("result_type"),
          tib_chr("iso_language_code"),
        ),
        tib_chr("created_at", .required = FALSE),
        tib_dbl("id", .required = FALSE),
        tib_chr("id_str", .required = FALSE),
        tib_chr("text", .required = FALSE),
        tib_chr("source", .required = FALSE),
        tib_lgl("truncated", .required = FALSE),
        tib_unspecified("in_reply_to_status_id", .required = FALSE),
        tib_unspecified("in_reply_to_status_id_str", .required = FALSE),
        tib_unspecified("in_reply_to_user_id", .required = FALSE),
        tib_unspecified("in_reply_to_user_id_str", .required = FALSE),
        tib_unspecified("in_reply_to_screen_name", .required = FALSE),
        tib_row(
          "user",
          .required = FALSE,
          tib_int("id"),
          tib_chr("id_str"),
          tib_chr("name"),
          tib_chr("screen_name"),
          tib_chr("location"),
          tib_chr("description"),
          tib_unspecified("url"),
          tib_df(
            "entities",
            .names_to = ".names",
            tib_df(
              "urls",
              tib_chr("url"),
              tib_chr("expanded_url"),
              tib_chr("display_url"),
              tib_int_vec("indices"),
            ),
          ),
          tib_lgl("protected"),
          tib_int("followers_count"),
          tib_int("friends_count"),
          tib_int("listed_count"),
          tib_chr("created_at"),
          tib_int("favourites_count"),
          tib_int("utc_offset"),
          tib_chr("time_zone"),
          tib_lgl("geo_enabled"),
          tib_lgl("verified"),
          tib_int("statuses_count"),
          tib_chr("lang"),
          tib_lgl("contributors_enabled"),
          tib_lgl("is_translator"),
          tib_lgl("is_translation_enabled"),
          tib_chr("profile_background_color"),
          tib_chr("profile_background_image_url"),
          tib_chr("profile_background_image_url_https"),
          tib_lgl("profile_background_tile"),
          tib_chr("profile_image_url"),
          tib_chr("profile_image_url_https"),
          tib_chr("profile_banner_url"),
          tib_chr("profile_link_color"),
          tib_chr("profile_sidebar_border_color"),
          tib_chr("profile_sidebar_fill_color"),
          tib_chr("profile_text_color"),
          tib_lgl("profile_use_background_image"),
          tib_lgl("default_profile"),
          tib_lgl("default_profile_image"),
          tib_lgl("following"),
          tib_lgl("follow_request_sent"),
          tib_lgl("notifications"),
        ),
        tib_unspecified("geo", .required = FALSE),
        tib_unspecified("coordinates", .required = FALSE),
        tib_unspecified("place", .required = FALSE),
        tib_unspecified("contributors", .required = FALSE),
        tib_int("retweet_count", .required = FALSE),
        tib_int("favorite_count", .required = FALSE),
        tib_row(
          "entities",
          .required = FALSE,
          tib_df(
            "hashtags",
            tib_chr("text"),
            tib_int_vec("indices"),
          ),
          tib_unspecified("symbols"),
          tib_unspecified("urls"),
          tib_unspecified("user_mentions"),
          tib_df(
            "media",
            .required = FALSE,
            tib_dbl("id"),
            tib_chr("id_str"),
            tib_int_vec("indices"),
            tib_chr("media_url"),
            tib_chr("media_url_https"),
            tib_chr("url"),
            tib_chr("display_url"),
            tib_chr("expanded_url"),
            tib_chr("type"),
            tib_df(
              "sizes",
              .names_to = ".names",
              tib_int("w"),
              tib_int("h"),
              tib_chr("resize"),
            ),
          ),
        ),
        tib_lgl("favorited", .required = FALSE),
        tib_lgl("retweeted", .required = FALSE),
        tib_lgl("possibly_sensitive", .required = FALSE),
        tib_chr("lang", .required = FALSE),
      ),
      tib_lgl("possibly_sensitive", .required = FALSE),
    ),
    tib_row(
      "search_metadata",
      tib_dbl("completed_in"),
      tib_dbl("max_id"),
      tib_chr("max_id_str"),
      tib_chr("next_results"),
      tib_chr("query"),
      tib_chr("refresh_url"),
      tib_int("count"),
      tib_int("since_id"),
      tib_chr("since_id_str"),
    ),
  )