move terminal.ts and keys.ts into the emulator folder

src/rt/emulator/keys.ts

@@ -0,0 +1,34 @@
+import run from "../shell/command/command"
+import history from "../shell/history"
+
+type InputClosure = (key_event: KeyboardEvent) => void
+interface EnterArgs {
+	readonly term_win_safe: HTMLElement,
+	readonly ps1input: HTMLInputElement,
+	readonly closure: InputClosure
+}
+interface Keys {
+	enter: (input: EnterArgs) => void,
+	up_arrow: (ps1input: HTMLInputElement) => void,
+	down_arrow: (ps1input: HTMLInputElement) => void,
+}
+
+const keys = {} as Keys
+
+keys.enter = function(input: EnterArgs) {
+	const unknown_command_msg = run(input.term_win_safe, input.ps1input.value)
+	if (unknown_command_msg) {
+		input.term_win_safe.appendChild(unknown_command_msg)
+	}
+	input.ps1input.removeEventListener("keydown", input.closure)
+}
+
+keys.up_arrow = function(ps1input: HTMLInputElement) {
+	history.index_up(ps1input)
+}
+
+keys.down_arrow = function(ps1input: HTMLInputElement) {
+	history.index_down(ps1input)
+}
+
+export default keys

src/rt/emulator/terminal.ts

@@ -0,0 +1,53 @@
+import history from "../shell/history"
+import prompt from "../elements/prompt"
+import keys from "./keys"
+
+const term_win_unsafe = document.querySelector("main")
+const enum Key {
+	Enter      = "Enter",
+	ArrowRight = "ArrowRight",
+	ArrowUp    = "ArrowUp",
+	ArrowDown  = "ArrowDown",
+	Tab        = "Tab"
+}
+
+function spawnps1(term_win_safe: HTMLElement) {
+	const ps1prompt = prompt()
+	term_win_safe.appendChild(ps1prompt.body)
+	bind_processor(term_win_safe, ps1prompt.input)
+	history.file.cursor_reset()
+	ps1prompt.input.focus()
+}
+
+function bind_processor(term_win_safe: HTMLElement, ps1prompt_input: HTMLInputElement) {
+	const input_closure = (key_event: KeyboardEvent) => {
+		if (key_event.key === Key.Enter) {
+			key_event.preventDefault()
+			keys.enter({
+				term_win_safe: term_win_safe,
+				ps1input: ps1prompt_input,
+				closure: input_closure
+			})
+			spawnps1(term_win_safe)
+		} else if (key_event.key === Key.Tab) {
+			key_event.preventDefault()
+
+		} else if (key_event.key === Key.ArrowRight) {
+			key_event.preventDefault()
+
+		} else if (key_event.key === Key.ArrowUp) {
+			key_event.preventDefault()
+			keys.up_arrow(ps1prompt_input)
+		} else if (key_event.key === Key.ArrowDown) {
+			key_event.preventDefault()
+			keys.down_arrow(ps1prompt_input)
+		}
+	}
+	ps1prompt_input.addEventListener("keydown", input_closure)
+}
+
+if (term_win_unsafe) {
+	spawnps1(term_win_unsafe)
+} else {
+
+}