1 files changed, 51 insertions, 0 deletions
diff --git a/src/jsMain/kotlin/moe/nea89/website/ShellExecutionContext.kt b/src/jsMain/kotlin/moe/nea89/website/ShellExecutionContext.kt
new file mode 100644
index 0000000..bd72421
--- /dev/null
+++ b/src/jsMain/kotlin/moe/nea89/website/ShellExecutionContext.kt
@@ -0,0 +1,51 @@
+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) {
+        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)
+            }
+        }
+    }
+}