we typescript now

.gitignore

@@ -3,3 +3,5 @@
 .env
 .vscode
 /result
+/static/scripts/**/*.js*
+/static/components/**/*.js*

.swcrc

@@ -0,0 +1,12 @@
+{
+	"sourceMaps": true,
+	"jsc": {
+		"parser": {
+			"syntax": "typescript",
+			"tsx": false,
+			"decorators": false,
+			"dynamicImport": false
+		},
+		"target": "esnext"
+	}
+}

Cargo.toml

@@ -25,3 +25,8 @@ time = { version = "0.3", features = ["serde"] }
 tokio = { version = "1", features = ["full"] }
 tracing = "0.1"
 tracing-subscriber = "0.3"
+
+[build-dependencies]
+swc = "0.269"
+swc_common = { version = "0.33", features = ["tty-emitter"] }
+glob = "0.3"

build.rs

@@ -0,0 +1,61 @@
+use std::{
+    fs,
+    path::{Path, PathBuf},
+};
+
+use swc::config::{Options, SourceMapsConfig};
+use swc_common::{
+    self,
+    errors::{ColorConfig, Handler},
+    sync::Lrc,
+    SourceMap, GLOBALS,
+};
+
+fn main() {
+    // Find all Typescript files (that are not type declaration)
+    let ts_files: Vec<_> = glob::glob(&format!("{}/**/*.ts", "static/source"))
+        .expect("Failed to read glob pattern")
+        .filter_map(|entry| entry.ok())
+        .filter(|entry| !entry.to_string_lossy().ends_with(".d.ts"))
+        .collect();
+
+    for ts_file in ts_files {
+        compile_file(ts_file);
+    }
+}
+
+fn compile_file(input: PathBuf) {
+    let cm: Lrc<SourceMap> = Default::default();
+    let handler = Handler::with_tty_emitter(ColorConfig::Auto, true, false, Some(cm.clone()));
+
+    let c = swc::Compiler::new(cm.clone());
+
+    let fm = cm
+        .load_file(Path::new(&input))
+        .expect("failed to load input typescript file");
+
+    GLOBALS.set(&Default::default(), || {
+        let output_path = input.with_extension("js");
+        let sourcemap_path = input.with_extension("js.map");
+
+        let res = c
+            .process_js_file(
+                fm,
+                &handler,
+                &Options {
+                    swcrc: true,
+                    filename: input.to_string_lossy().into_owned(),
+                    output_path: Some(output_path.clone()),
+                    source_maps: Some(SourceMapsConfig::Bool(true)),
+                    ..Default::default()
+                },
+            )
+            .expect("parse error");
+
+        fs::create_dir_all(output_path.parent().unwrap()).expect("failed to create parent dir");
+        fs::write(output_path, res.code).expect("failed to write output file");
+        if let Some(map) = res.map {
+            fs::write(sourcemap_path, map).expect("failed to write output file");
+        }
+    });
+}

static/js/compose.mjs

@@ -1,47 +0,0 @@
-/**
- * Checks if a specificied source is a valid arion-compose.nix file
- * @param {string} source Source to check
- * @returns {Promise<CheckResult>} Result of the check
- */
-export async function check_compose(source) {
-	const response = await fetch("/stack/_/check", {
-		method: "POST",
-		headers: {
-			"Accept": "application/json",
-			"Content-Type": "text/plain",
-		},
-		body: source
-	});
-
-	if (response.ok) {
-		return { ok: true };
-	} else {
-		return { ok: false, error: await response.json() };
-	}
-}
-
-/**
- * @typedef {Object} APIError
- * @property {string} code - Error code
- */
-
-/**
- * @typedef {Object} CheckSuccess
- * @property { true } ok - Indicates that the check was successful
- * /
-
-/**
- * @typedef {Object} APIError
- * @property {string} code - Unique error code
- * @property {string} message - Human readable error details
- */
-
-/**
- * @typedef {Object} CheckFailure
- * @property {false} ok - Indicates that the check has failed
- * @property {APIError} error - Info about the encountered error
- */
-
-/**
- * @typedef {CheckSuccess | CheckFailure} CheckResult
- */

static/js/node-utils.mjs

@@ -1,17 +0,0 @@
-
-/**
- * Find nearest parent that satisfies a requirement
- * @param {Node|Element} node 
- * @param {(el: Element) => boolean} findFn 
- * @returns {HTMLElement | null} Found element, or null if no parent matches
- */
-export function findNearestParent(node, findFn) {
-	let parent = node.parentElement;
-	while (parent) {
-		if (findFn(parent)) {
-			return parent;
-		}
-		parent = parent.parentElement;
-	}
-	return null;
-}

static/scripts/components/editor/script.ts

@@ -1,24 +1,21 @@
 import "/static/vendor/ace/ace.js";
-import { $el } from "../../vendor/domutil/domutil.js";
+import { $el } from "/static/vendor/domutil/domutil.js";
 
 class Editor extends HTMLElement {
-	editor;
-
-	/** @type {HTMLDivElement} Tab container */
-	tabEl;
-
-	/** @type {Map<string, AceSession>} File name to file session */
-	files;
+	private editor: AceAjax.Editor;
+	private tabEl: HTMLDivElement;
+	private files: Record<string, AceAjax.IEditSession>;
+	private root: ShadowRoot;
 
 	constructor() {
 		super();
 		this.files = {};
-		this.attachShadow({ mode: "open" });
+		this.root = this.attachShadow({ mode: "open" });
 	}
 
 	connectedCallback() {
 		this.tabEl = $el("div", { className: "tab-container" });
-		this.shadowRoot.append(this.tabEl);
+		this.root.append(this.tabEl);
 
 		const style = $el("style");
 		style.textContent = `
@@ -40,7 +37,7 @@ class Editor extends HTMLElement {
 		}
 		`;
 		const slot = $el("slot", { name: "body" });
-		this.shadowRoot.append(style, slot);
+		this.root.append(style, slot);
 
 		const editorEl = $el("div", { slot: "body" });
 		this.append(editorEl);
@@ -61,10 +58,10 @@ class Editor extends HTMLElement {
 
 	/**
 	 * Add a file editing session
-	 * @param {string} name File name
-	 * @param {string} content File contents
+	 * @param name File name
+	 * @param content File contents
 	 */
-	addFile(name, content) {
+	addFile(name: string, content: string) {
 		// Add to session list
 		this.files[name] = ace.createEditSession(content);
 
@@ -78,10 +75,10 @@ class Editor extends HTMLElement {
 
 	/**
 	 * Create a new tab
-	 * @param {string} name Tab name
+	 * @param name Tab name
 	 * @returns Tab element
 	 */
-	#addTab(name) {
+	#addTab(name: string) {
 		const tab = $el("div", {
 			className: "tab",
 			"@click": () => {

static/scripts/compose.ts

@@ -0,0 +1,36 @@
+/**
+ * Checks if a specificied source is a valid arion-compose.nix file
+ * @param source Source to check
+ * @returns Result of the check
+ */
+export async function check_compose(source: string): Promise<CheckResult> {
+	const response = await fetch("/stack/_/check", {
+		method: "POST",
+		headers: {
+			"Accept": "application/json",
+			"Content-Type": "text/plain",
+		},
+		body: source
+	});
+
+	if (response.ok) {
+		return { ok: true };
+	} else {
+		return { ok: false, error: await response.json() };
+	}
+}
+
+export interface APIError {
+	/** Error code */
+	code: string;
+
+	/** Human readable error details */
+	message: string;
+}
+
+export type CheckResult = {
+	ok: true;
+} | {
+	ok: false;
+	error: APIError;
+}

static/scripts/enhancements/check.ts

@@ -1,12 +1,11 @@
-import Editor from "../ace.mjs";
-import { check_compose } from "/static/js/compose.mjs";
+import { check_compose } from "/static/scripts/compose.js";
 
 /**
  * Makes the form require the stack to be checked before submitting
- * @param {HTMLFormElement} form 
- * @param {Editor} editor 
+ * @param form 
+ * @param editor 
  */
-export function add_check(form, editor) {
+export function add_check(form: HTMLFormElement, editor: AceAjax.Editor) {
 	form.addEventListener("submit", (ev) => {
 		ev.preventDefault();
 		check_stack(editor).then((result) => {
@@ -20,15 +19,15 @@ export function add_check(form, editor) {
 
 /**
  * Runs the check function and updates some DOM elements
- * @param {Editor} editor Editor instance
+ * @param editor Editor instance
  * @returns true if the stack is valid, false otherwise
  */
-export async function check_stack(editor) {
-	const source = editor.editor.getValue();
+export async function check_stack(editor: AceAjax.Editor) {
+	const source = editor.getValue();
 	const check_result = await check_compose(source);
 
-	const editorEl = document.querySelector(".ace_editor");
-	const editorErrorEl = document.querySelector("#editor-form .error");
+	const editorEl = document.querySelector(".ace_editor")!;
+	const editorErrorEl = document.querySelector<HTMLDivElement>("#editor-form div.error")!;
 	editorEl.classList.remove("err", "checked");
 	editorErrorEl.style.display = "block";
 	editorErrorEl.classList.add("pending");

static/scripts/node-utils.ts

@@ -0,0 +1,16 @@
+/**
+ * Find nearest parent that satisfies a requirement
+ * @param node Node to start from
+ * @param findFn Matching function
+ * @returns Found element, or null if no parent matches
+ */
+export function findNearestParent(node: Node | Element, findFn: (el: Element) => boolean): HTMLElement | null {
+	let parent = node.parentElement;
+	while (parent) {
+		if (findFn(parent)) {
+			return parent;
+		}
+		parent = parent.parentElement;
+	}
+	return null;
+}

tsconfig.json

@@ -0,0 +1,22 @@
+{
+	"compilerOptions": {
+		"target": "esnext",
+		"paths": {
+			"/static/*": [
+				"./static/*"
+			],
+		},
+		"lib": [
+			"ESNext",
+			"DOM"
+		],
+		"rootDir": "./",
+		"baseUrl": "./",
+		"strictNullChecks": true,
+		"declaration": true,
+	},
+	"include": [
+		"./static/**/*.ts",
+		"./static/**/*.d.ts"
+	]
+}