JS: Backport³ and more additions & fixes (#3961)

* JS: Fix file select for fbt launch js_app
* JS: badusb: Add numpad keys
  Co-authored-by: oldip <oldip@users.noreply.github.com>
* JS: badusb: Layout support
* JS: badusb: altPrint() and altPrintln()
  Co-authored-by: oldip <oldip@users.noreply.github.com>
* JS: badusb: quit()
* JS: serial: readAny()
* JS: serial: end()
* JS: serial: Auto disable expansion service
* JS: storage: Add example script
* JS: gui: text_input: Fix NULL ptr when no prop given
* JS: gui: text_input: Default text props
  Co-authored-by: xMasterX <xMasterX@users.noreply.github.com>
* JS: gui: byte_input
  Co-authored-by: xMasterX <xMasterX@users.noreply.github.com>
* JS: gui: file_picker
* JS: gui: viewDispatcher.currentView
* JS: gui: view.hasProperty()
* JS: gui: Add some missing typedefs comments
* JS: globals: Fix toString() with negative numbers
* JS: globals: parseInt()
  Co-authored-by: Spooks4576 <Spooks4576@users.noreply.github.com>
* JS: globals: toUpperCase() and toLowerCase()
  Co-authored-by: Spooks4576 <Spooks4576@users.noreply.github.com>
* JS: globals: Add some missing typedefs
* JS: Add example for string functions
  Co-authored-by: Spooks4576 <Spooks4576@users.noreply.github.com>
* JS: globals: __dirpath and __filepath
  Co-authored-by: jamisonderek <jamisonderek@users.noreply.github.com>
* JS: globals: load() typedef missing scope param
* JS: Add interactive REPL script example
* JS: Add missing icon for file picker
* JS: Rename to __filename and __dirname
* JS: Move toUpperCase() and toLowerCase() to string class
* JS: parseInt() refactor
* JS: Typedef base param for parseInt()
* Revert "JS: gui: view.hasProperty()"
  This reverts commit 1967ec06d4f2e9cafc4e18384ad370f7a7c44468.
* JS: Move toString() to Number class
* JS: Fix duplicate plugin files
  in plugins, `requires` is used to determine which app to distribute the .fal under `apps_data/appid/plugins`
* JS: math: Missing typedefs, use camelCase
* JS: badusb: layoutPath is optional in typedef
* Fix ASS scoping
* Rename mjs term prop type value
* Change load() description
* Enlarge buffers in default prop assign
* More checks for default data/text size
* Make PVS happy
* Fix icon symbol
* Update types for JS SDK
* toString() was moved to number class

Co-authored-by: oldip <oldip@users.noreply.github.com>
Co-authored-by: xMasterX <xMasterX@users.noreply.github.com>
Co-authored-by: Spooks4576 <Spooks4576@users.noreply.github.com>
Co-authored-by: jamisonderek <jamisonderek@users.noreply.github.com>
Co-authored-by: hedger <hedger@users.noreply.github.com>
Co-authored-by: あく <alleteam@gmail.com>

applications/system/js_app/examples/apps/Scripts/interactive.js

@@ -0,0 +1,93 @@
+let eventLoop = require("event_loop");
+let gui = require("gui");
+let dialog = require("gui/dialog");
+let textInput = require("gui/text_input");
+let loading = require("gui/loading");
+let storage = require("storage");
+
+// No eval() or exec() so need to run code from file, and filename must be unique
+storage.makeDirectory("/ext/.tmp");
+storage.makeDirectory("/ext/.tmp/js");
+storage.rmrf("/ext/.tmp/js/repl")
+storage.makeDirectory("/ext/.tmp/js/repl")
+let ctx = {
+    tmpTemplate: "/ext/.tmp/js/repl/",
+    tmpNumber: 0,
+    persistentScope: {},
+};
+
+let views = {
+    dialog: dialog.makeWith({
+        header: "Interactive Console",
+        text: "Press OK to Start",
+        center: "Run Some JS"
+    }),
+    textInput: textInput.makeWith({
+        header: "Type JavaScript Code:",
+        minLength: 0,
+        maxLength: 256,
+        defaultText: "2+2",
+        defaultTextClear: true,
+    }),
+    loading: loading.make(),
+};
+
+eventLoop.subscribe(views.dialog.input, function (_sub, button, gui, views) {
+    if (button === "center") {
+        gui.viewDispatcher.switchTo(views.textInput);
+    }
+}, gui, views);
+
+eventLoop.subscribe(views.textInput.input, function (_sub, text, gui, views, ctx) {
+    gui.viewDispatcher.switchTo(views.loading);
+
+    let path = ctx.tmpTemplate + (ctx.tmpNumber++).toString();
+    let file = storage.openFile(path, "w", "create_always");
+    file.write(text);
+    file.close();
+
+    // Hide GUI before running, we want to see console and avoid deadlock if code fails
+    gui.viewDispatcher.sendTo("back");
+    let result = load(path, ctx.persistentScope); // Load runs JS and returns last value on stack
+    storage.remove(path);
+
+    // Must convert to string explicitly
+    if (result === null) { // mJS: typeof null === "null", ECMAScript: typeof null === "object", IDE complains when checking "null" type
+        result = "null";
+    } else if (typeof result === "string") {
+        result = "'" + result + "'";
+    } else if (typeof result === "number") {
+        result = result.toString();
+    } else if (typeof result === "bigint") { // mJS doesn't support BigInt() but might aswell check
+        result = "bigint";
+    } else if (typeof result === "boolean") {
+        result = result ? "true" : "false";
+    } else if (typeof result === "symbol") { // mJS doesn't support Symbol() but might aswell check
+        result = "symbol";
+    } else if (typeof result === "undefined") {
+        result = "undefined";
+    } else if (typeof result === "object") {
+        result = "object"; // JSON.stringify() is not implemented
+    } else if (typeof result === "function") {
+        result = "function";
+    } else {
+        result = "unknown type: " + typeof result;
+    }
+
+    gui.viewDispatcher.sendTo("front");
+    views.dialog.set("header", "JS Returned:");
+    views.dialog.set("text", result);
+    gui.viewDispatcher.switchTo(views.dialog);
+    views.textInput.set("defaultText", text);
+}, gui, views, ctx);
+
+eventLoop.subscribe(gui.viewDispatcher.navigation, function (_sub, _, eventLoop) {
+    eventLoop.stop();
+}, eventLoop);
+
+gui.viewDispatcher.switchTo(views.dialog);
+
+// Message behind GUI if something breaks
+print("If you're stuck here, something went wrong, re-run the script")
+eventLoop.run();
+print("\n\nFinished correctly :)")