Package dipsaus
provides add-ons
to various packages such as shiny
, rlang
, future
, etc. to enhance these packages. To install the package,
# To install the development package
# remotes::install_github('dipterix/dipsaus')
# To install from CRAN
install.packages("dipsaus")
dipsaus
provides add-ons
from the following perspectives:
1. Shiny
Customized Widgets (Vignette)
-
compoundInput2
assembles any shiny native inputs and create variable-length input; -
actionButtonStyled
add styles to shiny defaultactionButton
and its updating function can also update the styles or enable/disable the button; -
sync_shiny_inputs
synchronize among shiny inputs without causing dead-locks in UI changes; -
set_shiny_input
to set shinyinput
object; -
flex_div
to display elements withflex
layout; -
html_asis
escapes string so that they will be displayed ‘as-is’ on websites; -
progress2
shows shiny progress bar, but it also works without shiny; -
shiny_is_running
check if shiny is running;
2. Parallel Functions
-
collapse
is a parallel solution to calculate sum/mean along arrays, providing4x
speed-ups for large arrays; -
make_forked_clusters
enablesmulticore
(forked clusters) infuture
package even inRStudio
environment; -
baseline_array
to baseline arrays in multicore; -
shift_array
to shift arrays along given dimensions; -
lapply_async2
usesfuture
package, but with progress bar either in console or in shiny apps; -
fastcov2
calculates covariance matrices in parallel; -
rs_exec
starts a new R session or job inRStudio
;
3. R Expressions (Vignette)
-
eval_dirty
works asbase::eval
, but supports quosures generated fromrlang::quo
; -
match_calls
match calls in a nested manner, and support changing the call arguments recursively; -
%?<-%
assigns default values to left-hand object. E.g.a %?<-% 1
assignsa
to be1
ifa
isNULL
or does not exist; -
%=>%
provides JavaScript-style of creating functions; -
new_function2
creates new function with quasi-quotation; -
mask_function2
modifies function and mask certain elements within a function; -
capture_expr
captures messages and always return results as one-line string; -
forelse
provides Python-like for-else syntax; -
test_farg
tests whether function contains desired arguments;
4. Utility Functions (Vignette)
-
check_installed_packages
,package_installed
checks if package(s) are installed; -
col2hexStr
convert color to hex strings that are friendly toHTML
,CSS
andJavaScript
; -
parse_svec
converts a string into integer vectors,deparse_svec
converts integer vectors back into a compact string; -
drop_nulls
removes invalid items within lists; -
get_ram
,mem_limit2
gets total RAM size as an alternatives formem.limits
in non-windows environment; -
to_ram_size
provides simple way to convert numbers to printable storage sizes in given units; -
time_delta
calculates time differences and returns a number in given units; -
ask_yesno
,ask_or_default
interactively ask for user’s input either in console or inRStudio
; -
fastmap2
andfastqueue2
provides a wrapper offastmap
package, giving the object list-like operations; -
shared_finalizer
finalizes multiple elements when last element is garbage collected; -
dev_create
allows managing and grouping graphic devices; -
print_directory_tree
prints directory and containing files into tree-structures; -
rs_*
functions wrappingrstudioapi
functions, but work withoutRStudio
; -
sexp_type2
get internal data type code; -
to_datauri
converts file tobase64
formats.