fix: automatically escape single quotes in attributes

fix #329

Author: davidgohel

DESCRIPTION

@@ -1,7 +1,7 @@
 Type: Package
 Package: ggiraph
 Title: Make 'ggplot2' Graphics Interactive
-Version: 0.9.3.002
+Version: 0.9.3.003
 Authors@R: c(
     person("David", "Gohel", , "david.gohel@ardata.fr", role = c("aut", "cre")),
     person("Panagiotis", "Skintzos", , "sigmapi@posteo.net", role = "aut"),

NEWS.md

@@ -6,6 +6,11 @@
 IT DOES NOT makes ggplot objects pipe-able with `girafe()` (unless you add
 parenthesis around your ggplot code).
 
+## Issues
+
+- single quotes in attribute values (e.g. "Côte d'Ivoire") are now automatically
+escaped instead of raising an error (#329).
+
 # ggiraph 0.9.2
 
 ## Feature

R/tracers.R

@@ -53,9 +53,7 @@ set_attr <- function(name, ids, values) {
     stopifnot(length(name) == 1)
     stopifnot(is.character(values))
     stopifnot(is.numeric(ids))
-    if (any(grepl(pattern = "'", values))) {
-      abort("Attribute values cannot contain single quote \"'\".", call = NULL)
-    }
+    values <- gsub(pattern = "'", replacement = "\u2019", values)
 
     if (length(values) == 1 && length(ids) > 1) {
       values <- rep(values, length(ids))

inst/tinytest/test-tracers.R

@@ -51,7 +51,7 @@ source("setup.R")
 
 # attributes cannot contain single quotes ----
 {
-  expect_error(dsvg_doc({
+  expect_silent(dsvg_doc({
     plot.new()
     ggiraph:::dsvg_tracer_on()
     points(c(0.5, .6), c(.4, .3))