no more react

src/components/client/shell/color.ts

@@ -0,0 +1,19 @@
+
+
+const red   = (s: string) => <span className="red">{s}</span>
+const green = (s: string) => <span className="green">{s}</span>
+const blue  = (s: string) => <span className="blue">{s}</span>
+const cyan  = (s: string) => <span className="cyan">{s}</span>
+const bold  = (s: string) => <span className="bold">{s}</span>
+
+export default function rgb(s: string, Ru8: number, Gu8: number, Bu8: number) {
+	return <span style={{color: `rgb(${Ru8},${Gu8},${Bu8})`}}>{s}</span>
+}
+
+export {
+	red,
+	green,
+	blue,
+	cyan,
+	bold
+}

src/components/client/shell/command/list.ts

@@ -0,0 +1,53 @@
+import type { JSX } from "react"
+import { bold } from "../color"
+import { get_working_dir_name_full, set_working_dir, SetDirStatus } from "../fs/fn"
+
+type args = string[]
+type command = JSX.Element | boolean
+
+function parse_ls(entries: JSX.Element[]) {
+	return <div className="horizontal-display">
+
+	</div>
+}
+
+function cd(args: args): command {
+	const new_dir_status = set_working_dir(args[1])
+
+	if (new_dir_status === SetDirStatus.NotADirectory) {
+		return <p>{"cd: \""}{bold(args[1])}{"\" is not a directory"}</p>
+	} else if (new_dir_status === SetDirStatus.NotFound) {
+		return <p>{"cd: The directory \""}{bold(args[1])}{"\" does not exist"}</p>
+	}
+	return true
+}
+
+function ls(args: args): command {
+	// if (args[1] === undefined) {
+	// 	for (const dir_name in working_dir) {
+
+	// 	}
+	// 	return <p>{`${working_dir}`}</p>
+	// }
+	return true
+}
+
+function pwd(args: args): command {
+	return <p>{`${get_working_dir_name_full()}`}</p>
+}
+
+function cat(args: args): command {
+	return true
+}
+
+interface commands_list {
+	[index: string]: (args: args) => command
+}
+const commands: commands_list = {
+	["cd"]: cd,
+	["ls"]: ls,
+	["pwd"]: pwd,
+	["cat"]: cat,
+}
+
+export default commands

src/components/client/shell/command/run.ts

@@ -0,0 +1,37 @@
+import type { JSX } from "react";
+import commands from "./list";
+import { bold } from "../color";
+
+function trim(stdin: string): string {
+	const trimmed_str: string[] = []
+	stdin.split(" ").forEach(s => { if (s !== "") { trimmed_str.push(s) } })
+	return trimmed_str.join(" ")
+}
+
+function to_args(trimmed_str: string): string[] {
+	return trimmed_str.split(" ")
+}
+
+function valid_command(args: string[]): JSX.Element | undefined {
+	for (const command_in_list in commands) {
+		const command = args[0]
+		if (command === command_in_list) {
+			return commands[command_in_list](args)
+		}
+	}
+	return
+}
+
+function unknown_command(cmd_name: string) {
+	return <p>{"shell: Unknown command: "}{bold(cmd_name)}</p>
+}
+
+export default function run(stdin: string) {
+	const args = to_args(trim(stdin))
+	const command = valid_command(args)
+
+	if (args[0] !== "" && !command) {
+		return unknown_command(args[0])
+	}
+	return command ? command : <></>
+}

src/components/client/shell/events.ts

@@ -0,0 +1,62 @@
+import Display from "./prompt"
+import run from "./command/run"
+
+import { type newElement } from "../terminal/exec";
+import type { JSX } from "react";
+
+const enum Key {
+	Enter     = "Enter",
+	ArrowUp   = "ArrowUp",
+	ArrowDown = "ArrowDown",
+	Tab       = "Tab"
+}
+
+function display_prompt() {
+	return <div className="shell-prompt">
+		<Display/>
+		<input className="shell-ps1" type="text" spellCheck={false}/>
+	</div>
+}
+
+function get_current_prompt(): HTMLInputElement | undefined {
+	const shell_input = document.getElementsByClassName("shell-ps1")
+
+	return shell_input[shell_input.length-1] as HTMLInputElement
+}
+
+function new_prompt(): JSX.Element {
+	const shell_prompts = document.getElementsByClassName("shell-ps1")
+
+	Array.from(shell_prompts).forEach(shellps1 => {
+		(shellps1 as HTMLInputElement).disabled = true
+	})
+	return display_prompt()
+}
+
+function keyboard_events(terminal_window: HTMLElement, new_elements_f: newElement) {
+	const terminal_event = (keyboard_event: KeyboardEvent) => {
+		if (keyboard_event.key === Key.Enter) {
+			keyboard_event.preventDefault()
+			const current_prompt = get_current_prompt()
+			if (current_prompt) {
+				const prompt = new_prompt()
+				const output = run(current_prompt.value)
+				new_elements_f([output, prompt])
+				terminal_window.removeEventListener("keydown", terminal_event)
+			}
+		} else if (keyboard_event.key === Key.ArrowUp) {
+			keyboard_event.preventDefault()
+		} else if (keyboard_event.key === Key.ArrowDown) {
+			keyboard_event.preventDefault()
+		} else if (keyboard_event.key === Key.Tab) {
+			keyboard_event.preventDefault()
+		}
+	}
+	terminal_window.addEventListener("keydown", terminal_event)
+}
+
+export {
+	keyboard_events,
+	display_prompt,
+	get_current_prompt
+}

src/components/client/shell/fs/fn.ts

@@ -0,0 +1,75 @@
+import { Entry, EntryType, fs, type FsEntrySignature } from "./fs"
+
+let working_dir = ["/", "home", "user"]
+
+function get_working_dir_name(): string {
+	return working_dir[working_dir.length-1]
+}
+
+function get_working_dir_name_full(): string {
+	const w_dir_clone = [...working_dir]
+	const root = w_dir_clone.shift()
+	if (root) {
+		return root+w_dir_clone.join("/")
+	}
+	return "shift-error"
+}
+
+const enum SetDirStatus {
+	Valid,
+	NotFound,
+	NotADirectory
+}
+interface FsIterEntry {
+	readonly entry: FsEntrySignature | null,
+	readonly status: SetDirStatus
+}
+function iter_fs_to_goal(w_dir_clone: string[]): FsIterEntry {
+	let next_iter = fs[0]
+
+	for (const w_dir of w_dir_clone) {
+		if (w_dir === "/") { continue }
+		if (next_iter.inner) {
+			const found = next_iter.inner.find(entry => entry.name === w_dir)
+
+			if (!found) {
+				return { entry: null, status: SetDirStatus.NotFound }
+			}
+			if (found.type !== EntryType.Directory) {
+				return { entry: null, status: SetDirStatus.NotADirectory }
+			}
+			if (found.name === w_dir_clone[w_dir_clone.length-1]) {
+				return { entry: next_iter, status: SetDirStatus.Valid }
+			} else {
+				next_iter = found.inner as FsEntrySignature
+			}
+		}
+	}
+	return { entry: null, status: SetDirStatus.NotFound }
+}
+
+function set_working_dir(name: string): SetDirStatus {
+	if (name === ".") { return SetDirStatus.Valid }
+
+	const w_dir_clone = [...working_dir]
+	if (name === "..") { w_dir_clone.pop() } else { w_dir_clone.push(name) }
+
+	const iter_status = iter_fs_to_goal(w_dir_clone)
+	if (iter_status.status === SetDirStatus.Valid) {
+		working_dir = w_dir_clone
+	}
+	return iter_status.status
+}
+
+function working_dir_entries() {
+	const w_dir_clone = [...working_dir]
+	const iter_status = iter_fs_to_goal(w_dir_clone)
+
+}
+
+export {
+	get_working_dir_name,
+	get_working_dir_name_full,
+	set_working_dir,
+	SetDirStatus
+}

src/components/client/shell/fs/fs.ts

@@ -0,0 +1,51 @@
+const enum EntryType {
+	Directory,
+	File
+}
+const enum Permissions {
+	r,
+	w,
+	rw
+}
+
+type FsEntrySignature = Entry<Entry<{}>[]> //I did this!
+
+const user = [
+	Entry("about_me.txt", "about me inside", Permissions.rw),
+	Entry("services.txt", "services inside", Permissions.rw),
+	Entry("hi", [], Permissions.rw)
+]
+const home = [
+	Entry("user", user, Permissions.rw)
+]
+const root = [
+	Entry("home", home, Permissions.r),
+	Entry("bin", {}, Permissions.r),
+]
+const fs = [
+	Entry("/", root, Permissions.r)
+]
+
+type File = string
+interface Entry<T = File> {
+	readonly inner?: T,
+	readonly name: string,
+	readonly type: EntryType,
+	readonly permissions: Permissions
+}
+function Entry<T = File>(name: string, inner: T, permissions: Permissions): Entry<T> {
+	return {
+		type: typeof inner == "object" ? EntryType.Directory : EntryType.File,
+		inner: inner,
+		name: name,
+		permissions: permissions
+	}
+}
+
+export {
+	fs,
+	type FsEntrySignature,
+	EntryType,
+	Permissions,
+	Entry
+}

src/components/client/shell/prompt.ts

@@ -0,0 +1,23 @@
+import { get_working_dir_name } from "./fs/fn"
+import { cyan, green } from "./color"
+
+const userAgent = navigator.userAgent
+const browser_name_fallible = userAgent.match(/Firefox.\d+[\d.\d]+|Chrome.\d+[\d.\d]+/gm)?.map(f => f.split("/")[0])
+
+let browser_name = "unknown"
+if (browser_name_fallible) {
+	browser_name = browser_name_fallible[0] === "Firefox" ? "gecko" : "chromium"
+}
+
+function working_dir() {
+	const name = get_working_dir_name()
+	return name === "user" ? "~" : name
+}
+
+export default function Display() {
+	const user = cyan("user")
+	const dir = green(working_dir())
+	return <p>{user}@{browser_name} {dir}{"> "}</p>
+}
+
+export { userAgent }

src/components/client/terminal/contextMenu.ts

@@ -0,0 +1,30 @@
+const terminal_window = document.querySelector("main")
+
+interface PromptPosition {
+	x: number,
+	y: number,
+}
+
+interface PromptContext extends PromptPosition {
+	enabled: boolean,
+}
+
+function Menu(pos: PromptPosition) {
+	console.log(pos.x, pos.y)
+}
+
+export default function ContextMenu() {
+	if (terminal_window) {
+		useEffect(() => {
+			const [contextMenu, newContextMenu] = useState(false)
+			const [_, toggleRightClick] = useState({enabled: false, x: 0, y: 0})
+
+			terminal_window.addEventListener("contextmenu", (menuEvent) => {
+				menuEvent.preventDefault()
+				toggleRightClick({enabled: true, x: menuEvent.pageX, y: menuEvent.pageY})
+				Menu({x: menuEvent.pageX, y: menuEvent.pageY})
+			})
+		})
+
+	}
+}

src/components/client/terminal/exec.ts

@@ -0,0 +1,34 @@
+import { red } from "../shell/color"
+import { display_prompt, keyboard_events } from "../shell/events"
+
+const terminal_window = document.getElementById("interactive-area")
+
+// function panic(message: string) {
+// 	return <>
+// 		<p>{red("=================================================")}</p>
+// 		<p>{red("An unexpected JavaScript error occured:")}</p>
+// 		<p>{red(message)}</p>
+// 		<p>{red("=================================================")}</p>
+// 	</>
+// }
+
+// function ps1(terminal_window_safe: HTMLElement): JSX.Element[] {
+// 	const [renderedElements, renderElement] = useState([display_prompt()])
+// 	const new_elements_f = (elements: JSX.Element[]) => renderElement([...renderedElements, ...elements])
+
+// 	keyboard_events(terminal_window_safe, new_elements_f)
+
+// 	return renderedElements
+// }
+
+// export default function Shell() {
+// 	if (terminal_window) {
+// 		return ps1(terminal_window).map((element, k) => <React.Fragment key={k}>{element}</React.Fragment>)
+// 	}
+// 	return panic("The <main> element is missing")
+// }
+
+// export {
+// 	panic,
+// 	type newElement,
+// }