yutannihilation/chromote_wait_for_error.md

## chromote_wait_for_error.md

      
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              chromote_wait_for_error.md
            
          
    library(chromote)

Sys.setenv(CHROMOTE_CHROME="/usr/bin/chromium")

b <- ChromoteSession$new()
b$Page$navigate("https://www.instagram.com/")
#> $frameId
#> [1] "7A4B060856C628A9F30A449F9F443F42"
#> 
#> $loaderId
#> [1] "40A73E0B9E658A449DFFC5531064C3E2"

p <- b$DOM$getDocument(wait_ = FALSE) %...>%
  { b$DOM$querySelector(.$root$nodeId, "article", wait_ = FALSE) } %...>%
  { b$DOM$getBoxModel(.$nodeId, wait_ = FALSE) }

b$wait_for(p)
#> Error in onRejected(...): code: -32000
#>   message: Could not find node with given id

screenshot_tmp <- tempfile(fileext = ".png")
b$screenshot(filename = screenshot_tmp)
#> [1] "/tmp/RtmpuUjhPz/file12fa6c6af649.png"
knitr::include_graphics(screenshot_tmp)

^{Created on 2020-03-01 by the reprex package (v0.3.0)}