R/get_xtab_summary.R

In kapsner/sjtable2df: Convert 'sjPlot' HTML-Tables to R 'data.frame'

# Convert 'sjPlot' HTML-tables to R data.frame
# Copyright (C) 2021  Lorenz A. Kapsner
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.


get_xtab_summary <- function(xtab) {
  stopifnot(
    "`xtab` must be a `sjxtab`-object as produced by \
    `sjPlot::tab_xtab`" = inherits(xtab, "sjtxtab")
  )
  xtab$page.content %>%
    rvest::minimal_html() %>%
    rvest::html_elements(css = ".summary") %>%
    rvest::html_text() %>%
    return()
}