You can install the development version of codewhere from GitHub with:
# install.packages("devtools")
devtools::install_github("thisisnic/codewhere")
library(codewhere)
code_where("dplyr")
#> [1] "https://github.com/tidyverse/dplyr"
code_where("GenomeInfoDb", package_type = "bioc")
#> [1] "https://code.bioconductor.org/browse/GenomeInfoDb"