diff options
Diffstat (limited to 'sbt-plugin/src/main/scala/scala/scalajs/sbtplugin/JSUtils.scala')
-rw-r--r-- | sbt-plugin/src/main/scala/scala/scalajs/sbtplugin/JSUtils.scala | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/sbt-plugin/src/main/scala/scala/scalajs/sbtplugin/JSUtils.scala b/sbt-plugin/src/main/scala/scala/scalajs/sbtplugin/JSUtils.scala new file mode 100644 index 0000000..a59f105 --- /dev/null +++ b/sbt-plugin/src/main/scala/scala/scalajs/sbtplugin/JSUtils.scala @@ -0,0 +1,35 @@ +package scala.scalajs.sbtplugin + +object JSUtils { + def listToJS(xs: List[String]): String = + xs.map(toJSstr _).mkString("[",",","]") + + /** (almost) stolen from scala.scalajs.compiler.JSPrinters */ + def toJSstr(str: String): String = { + /* Note that Java and JavaScript happen to use the same encoding for + * Unicode, namely UTF-16, which means that 1 char from Java always equals + * 1 char in JavaScript. */ + val builder = new StringBuilder() + builder.append('"') + str foreach { + case '\\' => builder.append("\\\\") + case '"' => builder.append("\\\"") + case '\u0007' => builder.append("\\a") + case '\u0008' => builder.append("\\b") + case '\u0009' => builder.append("\\t") + case '\u000A' => builder.append("\\n") + case '\u000B' => builder.append("\\v") + case '\u000C' => builder.append("\\f") + case '\u000D' => builder.append("\\r") + case c => + if (c >= 32 && c <= 126) builder.append(c.toChar) // ASCII printable characters + else builder.append(f"\\u$c%04x") + } + builder.append('"') + builder.result() + } + + def dot2bracket(name: String): String = { + name.split('.').map(s => s"""[${toJSstr(s)}]""").mkString + } +} |