Hi! I want to write extension for firefox with kot...
# announcementsj
Jarek
02/21/2018, 10:04 AMHi! I want to write extension for firefox with kotlinjs and java. I try to open file and rename file name using java.io.File.Is it possible?
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diesieben07
02/21/2018, 10:08 AMYou can't use Java libraries when compiling to Javascript.
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anton.bannykh
02/21/2018, 10:08 AMYou won't be able to use java.io.File in Kotlin/JS. You will have to use proper JavaScript API: https://developer.mozilla.org/en-US/Add-ons/WebExtensions/Working_with_files
anton.bannykh
02/21/2018, 10:09 AMBut you are able to use java.io.File in Kotlin/JVM. You've mentioned you are going to use Java. If you are going to use it on JVM - no problem, go ahead.
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Jarek
02/21/2018, 10:29 AMok thanks
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gildor
02/21/2018, 10:42 AMlittle bit off-topic, but probably these posts from @kirillrakhman would be interesting for you:
https://medium.com/@Cypressious/your-first-firefox-web-extension-in-kotlin-348fc907915
https://medium.com/@Cypressious/your-second-firefox-extension-in-kotlin-bafd91d87c41
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