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package moe.nea89.website
import kotlinx.browser.window
import kotlinx.coroutines.suspendCancellableCoroutine
import kotlin.coroutines.*
import kotlin.time.Duration
import kotlin.time.DurationUnit
class ShellExecutionContext(
val console: KConsole,
val name: String,
val args: List<String>,
) {
suspend fun wait(duration: Duration) {
if (!duration.isPositive()) return
suspendCancellableCoroutine<Unit> {
window.setTimeout({
it.resume(Unit)
}, timeout = duration.toInt(DurationUnit.MILLISECONDS))
}
}
suspend fun exit(): Nothing {
suspendCancellableCoroutine<Unit> {
it.cancel()
console.state = KConsole.ConsoleState.SHELLPROMPT
console.rerender()
}
throw RuntimeException("THIs shOULDNT EXIST")
}
companion object {
fun run(
console: KConsole, command: Command, name: String, args: List<String>
) {
console.state = KConsole.ConsoleState.IN_PROGRAM
val se = ShellExecutionContext(console, name, args)
window.requestAnimationFrame {
command.runner.createCoroutine(se, object : Continuation<Unit> {
override val context: CoroutineContext
get() = EmptyCoroutineContext
override fun resumeWith(result: Result<Unit>) {
console.state = KConsole.ConsoleState.SHELLPROMPT
console.rerender()
}
}).resume(Unit)
}
}
}
}
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