# Prepares inst/i18n_translations with complete translations
#
# Code borrowed from {pointblank}, thank you @rich-iannone
# https://github.com/rich-iannone/pointblank/blob/main/data-raw/00-reencode_text.R
library(here)
library(yaml)
library(purrr)
library(stringi)
# We currently use stri_enc_toutf8() instead of the function below.
# We noticed problems with the Polish translation and switch to the function
# from {stringi}. I've kept this function in the source in case we need to
# switch back to our previous method.
reencode_utf8 <- function(x) {
# Ensure that we encode non-UTF-8 strings to UTF-8 in a
# two-step process: (1) to native encoding, and then (2) to UTF-8
if (Encoding(x) != 'UTF-8') {
x <- enc2utf8(x)
}
# Use `iconv()` to convert to UTF-32 (big endian) as
# raw bytes and convert again to integer (crucial here
# to set the base to 16 for this conversion)
raw_bytes <-
iconv(x, "UTF-8", "UTF-32BE", toRaw = TRUE) %>%
unlist() %>%
strtoi(base = 16L)
# Split into a list of four bytes per element
chars <- split(raw_bytes, ceiling(seq_along(raw_bytes) / 4))
x <-
vapply(
chars,
FUN.VALUE = character(1),
USE.NAMES = FALSE,
FUN = function(x) {
bytes_nz <- x[min(which(x > 0)):length(x)]
if (length(bytes_nz) > 2) {
out <- paste("\\U", paste(as.hexmode(x), collapse = ""), sep = "")
} else if (length(bytes_nz) > 1) {
out <- paste("\\u", paste(as.hexmode(bytes_nz), collapse = ""), sep = "")
} else if (length(bytes_nz) == 1 && bytes_nz > 127) {
out <- paste("\\u", sprintf("%04s", paste(as.hexmode(bytes_nz)), collapse = ""), sep = "")
} else {
out <- rawToChar(as.raw(bytes_nz))
}
out
}
) %>%
paste(collapse = "")
x
}
# Read raw translations ----
translations_yml <- yaml::read_yaml(here::here("data-raw/i18n_translations.yml"))
# Validate that language keys appear for every translation key ----
translations_lang_keys <-
translations_yml %>%
imap(~ set_names(.x, paste0(.y, ".", names(.x)))) %>%
flatten() %>%
map(names)
translations_lang_set <- translations_lang_keys %>% reduce(union) %>% sort()
iwalk(translations_lang_keys, function(langs, key) {
if (!identical(sort(langs), translations_lang_set)) {
missing_keys <- paste(setdiff(translations_lang_set, langs), collapse = ", ")
cli::cli_alert_warning("{.code {key}} is missing language(s): {missing_keys}")
}
})
# Compile translation list for i18next ----
translations_list <-
translations_yml %>%
# Drop null keys
map_depth(2, compact) %>%
# Re-encode to UTF-8
map_depth(3, stri_enc_toutf8, validate = TRUE) %>%
# Massage into i18next format
# button$runcode$en -> en$translation$button$runcode
map_depth(1, transpose) %>%
transpose() %>%
map(~ list(translation = .x)) %>%
# Drop null keys again
map_depth(3, compact)
saveRDS(translations_list, file = here("inst", "internals", "i18n_translations.rds"), version = 2)
i18n_random_phrases <-
here("data-raw", "i18n_random-phrases.yml") %>%
yaml::read_yaml() %>%
map_depth(2, map_chr, stri_enc_toutf8, validate = TRUE)
saveRDS(i18n_random_phrases, file = here("inst", "internals", "i18n_random_phrases.rds"), version = 2)
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