JS: Backport³ and more additions & fixes

applications/system/js_app/application.fam

@@ -41,42 +41,50 @@ App(
     appid="js_gui",
     apptype=FlipperAppType.PLUGIN,
     entry_point="js_gui_ep",
-    requires=["js_app", "js_event_loop"],
+    requires=["js_app"],
     sources=["modules/js_gui/js_gui.c", "modules/js_gui/js_gui_api_table.cpp"],
 )
 
 App(
     appid="js_gui__loading",
     apptype=FlipperAppType.PLUGIN,
     entry_point="js_view_loading_ep",
-    requires=["js_app", "js_gui", "js_event_loop"],
+    requires=["js_app"],
     sources=["modules/js_gui/loading.c"],
 )
 
 App(
     appid="js_gui__empty_screen",
     apptype=FlipperAppType.PLUGIN,
     entry_point="js_view_empty_screen_ep",
-    requires=["js_app", "js_gui", "js_event_loop"],
+    requires=["js_app"],
     sources=["modules/js_gui/empty_screen.c"],
 )
 
 App(
     appid="js_gui__submenu",
     apptype=FlipperAppType.PLUGIN,
     entry_point="js_view_submenu_ep",
-    requires=["js_app", "js_gui"],
+    requires=["js_app"],
     sources=["modules/js_gui/submenu.c"],
 )
 
 App(
     appid="js_gui__text_input",
     apptype=FlipperAppType.PLUGIN,
     entry_point="js_view_text_input_ep",
-    requires=["js_app", "js_gui", "js_event_loop"],
+    requires=["js_app"],
     sources=["modules/js_gui/text_input.c"],
 )
 
+App(
+    appid="js_gui__byte_input",
+    apptype=FlipperAppType.PLUGIN,
+    entry_point="js_view_byte_input_ep",
+    requires=["js_app"],
+    sources=["modules/js_gui/byte_input.c"],
+)
+
 App(
     appid="js_gui__text_box",
     apptype=FlipperAppType.PLUGIN,
@@ -93,6 +101,14 @@ App(
     sources=["modules/js_gui/dialog.c"],
 )
 
+App(
+    appid="js_gui__file_picker",
+    apptype=FlipperAppType.PLUGIN,
+    entry_point="js_gui_file_picker_ep",
+    requires=["js_app"],
+    sources=["modules/js_gui/file_picker.c"],
+)
+
 App(
     appid="js_notification",
     apptype=FlipperAppType.PLUGIN,
@@ -121,7 +137,7 @@ App(
     appid="js_gpio",
     apptype=FlipperAppType.PLUGIN,
     entry_point="js_gpio_ep",
-    requires=["js_app", "js_event_loop"],
+    requires=["js_app"],
     sources=["modules/js_gpio.c"],
 )
 

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

@@ -13,7 +13,13 @@ let views = {
     }),
 };
 
-badusb.setup({ vid: 0xAAAA, pid: 0xBBBB, mfrName: "Flipper", prodName: "Zero" });
+badusb.setup({
+    vid: 0xAAAA,
+    pid: 0xBBBB,
+    mfrName: "Flipper",
+    prodName: "Zero",
+    layoutPath: "/ext/badusb/assets/layouts/en-US.kl"
+});
 
 eventLoop.subscribe(views.dialog.input, function (_sub, button, eventLoop, gui) {
     if (button !== "center")
@@ -39,14 +45,23 @@ eventLoop.subscribe(views.dialog.input, function (_sub, button, eventLoop, gui)
 
         badusb.println("Flipper Model: " + flipper.getModel());
         badusb.println("Flipper Name: " + flipper.getName());
-        badusb.println("Battery level: " + toString(flipper.getBatteryCharge()) + "%");
+        badusb.println("Battery level: " + flipper.getBatteryCharge().toString() + "%");
+
+        // Alt+Numpad method works only on Windows!!!
+        badusb.altPrintln("This was printed with Alt+Numpad method!");
+
+        // There's also badusb.print() and badusb.altPrint()
+        // which don't add the return at the end
 
         notify.success();
     } else {
         print("USB not connected");
         notify.error();
     }
 
+    // Optional, but allows to unlock usb interface to switch profile
+    badusb.quit();
+
     eventLoop.stop();
 }, eventLoop, gui);
 

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

@@ -5,8 +5,11 @@ let loadingView = require("gui/loading");
 let submenuView = require("gui/submenu");
 let emptyView = require("gui/empty_screen");
 let textInputView = require("gui/text_input");
+let byteInputView = require("gui/byte_input");
 let textBoxView = require("gui/text_box");
 let dialogView = require("gui/dialog");
+let filePicker = require("gui/file_picker");
+let flipper = require("flipper");
 
 // declare view instances
 let views = {
@@ -16,9 +19,14 @@ let views = {
         header: "Enter your name",
         minLength: 0,
         maxLength: 32,
+        defaultText: flipper.getName(),
+        defaultTextClear: true,
     }),
-    helloDialog: dialogView.makeWith({
-        center: "Hi Flipper! :)",
+    helloDialog: dialogView.make(),
+    bytekb: byteInputView.makeWith({
+        header: "Look ma, I'm a header text!",
+        length: 8,
+        defaultData: Uint8Array([0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88]),
     }),
     longText: textBoxView.makeWith({
         text: "This is a very long string that demonstrates the TextBox view. Use the D-Pad to scroll backwards and forwards.\nLorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse rhoncus est malesuada quam egestas ultrices. Maecenas non eros a nulla eleifend vulputate et ut risus. Quisque in mauris mattis, venenatis risus eget, aliquam diam. Fusce pretium feugiat mauris, ut faucibus ex volutpat in. Phasellus volutpat ex sed gravida consectetur. Aliquam sed lectus feugiat, tristique lectus et, bibendum lacus. Ut sit amet augue eu sapien elementum aliquam quis vitae tortor. Vestibulum quis commodo odio. In elementum fermentum massa, eu pellentesque nibh cursus at. Integer eleifend lacus nec purus elementum sodales. Nulla elementum neque urna, non vulputate massa semper sed. Fusce ut nisi vitae dui blandit congue pretium vitae turpis.",
@@ -29,7 +37,9 @@ let views = {
             "Hourglass screen",
             "Empty screen",
             "Text input & Dialog",
+            "Byte input",
             "Text box",
+            "File picker",
             "Exit app",
         ],
     }),
@@ -49,15 +59,28 @@ eventLoop.subscribe(views.demos.chosen, function (_sub, index, gui, eventLoop, v
     } else if (index === 2) {
         gui.viewDispatcher.switchTo(views.keyboard);
     } else if (index === 3) {
-        gui.viewDispatcher.switchTo(views.longText);
+        gui.viewDispatcher.switchTo(views.bytekb);
     } else if (index === 4) {
+        gui.viewDispatcher.switchTo(views.longText);
+    } else if (index === 5) {
+        let path = filePicker.pickFile("/ext", "*");
+        if (path) {
+            views.helloDialog.set("text", "You selected:\n" + path);
+        } else {
+            views.helloDialog.set("text", "You didn't select a file");
+        }
+        views.helloDialog.set("center", "Nice!");
+        gui.viewDispatcher.switchTo(views.helloDialog);
+    } else if (index === 6) {
         eventLoop.stop();
     }
 }, gui, eventLoop, views);
 
 // say hi after keyboard input
 eventLoop.subscribe(views.keyboard.input, function (_sub, name, gui, views) {
+    views.keyboard.set("defaultText", name); // Remember for next usage
     views.helloDialog.set("text", "Hi " + name + "! :)");
+    views.helloDialog.set("center", "Hi Flipper! :)");
     gui.viewDispatcher.switchTo(views.helloDialog);
 }, gui, views);
 
@@ -67,10 +90,26 @@ eventLoop.subscribe(views.helloDialog.input, function (_sub, button, gui, views)
         gui.viewDispatcher.switchTo(views.demos);
 }, gui, views);
 
+// show data after byte input
+eventLoop.subscribe(views.bytekb.input, function (_sub, data, gui, views) {
+    let data_view = Uint8Array(data);
+    let text = "0x";
+    for (let i = 0; i < data_view.length; i++) {
+        text += data_view[i].toString(16);
+    }
+    views.helloDialog.set("text", "You typed:\n" + text);
+    views.helloDialog.set("center", "Cool!");
+    gui.viewDispatcher.switchTo(views.helloDialog);
+}, gui, views);
+
 // go to the demo chooser screen when the back key is pressed
-eventLoop.subscribe(gui.viewDispatcher.navigation, function (_sub, _, gui, views) {
+eventLoop.subscribe(gui.viewDispatcher.navigation, function (_sub, _, gui, views, eventLoop) {
+    if (gui.viewDispatcher.currentView === views.demos) {
+        eventLoop.stop();
+        return;
+    }
     gui.viewDispatcher.switchTo(views.demos);
-}, gui, views);
+}, gui, views, eventLoop);
 
 // run UI
 gui.viewDispatcher.switchTo(views.demos);

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 :)")

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

@@ -1,3 +1,3 @@
-let math = load("/ext/apps/Scripts/load_api.js");
+let math = load(__dirname + "/load_api.js");
 let result = math.add(5, 10);
 print(result);

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

@@ -0,0 +1,9 @@
+let storage = require("storage");
+
+print("script has __dirname of" + __dirname);
+print("script has __filename of" + __filename);
+if (storage.fileExists(__dirname + "/math.js")) {
+    print("math.js exist here.");
+} else {
+    print("math.js does not exist here.");
+}

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

@@ -0,0 +1,29 @@
+let storage = require("storage");
+let path = "/ext/storage.test";
+
+print("File exists:", storage.fileExists(path));
+
+print("Writing...");
+let file = storage.openFile(path, "w", "create_always");
+file.write("Hello ");
+file.close();
+
+print("File exists:", storage.fileExists(path));
+
+file = storage.openFile(path, "w", "open_append");
+file.write("World!");
+file.close();
+
+print("Reading...");
+file = storage.openFile(path, "r", "open_existing");
+let text = file.read("ascii", 128);
+file.close();
+print(text);
+
+print("Removing...")
+storage.remove(path);
+
+print("Done")
+
+// You don't need to close the file after each operation, this is just to show some different ways to use the API
+// There's also many more functions and options, check type definitions in firmware repo

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

@@ -0,0 +1,19 @@
+let sampleText = "Hello, World!";
+
+let lengthOfText = "Length of text: " + sampleText.length.toString();
+print(lengthOfText);
+
+let start = 7;
+let end = 12;
+let substringResult = sampleText.slice(start, end);
+print(substringResult);
+
+let searchStr = "World";
+let result2 = sampleText.indexOf(searchStr).toString();
+print(result2);
+
+let upperCaseText = "Text in upper case: " + sampleText.toUpperCase();
+print(upperCaseText);
+
+let lowerCaseText = "Text in lower case: " + sampleText.toLowerCase();
+print(lowerCaseText);

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

@@ -6,6 +6,9 @@ while (1) {
     if (rx_data !== undefined) {
         serial.write(rx_data);
         let data_view = Uint8Array(rx_data);
-        print("0x" + toString(data_view[0], 16));
+        print("0x" + data_view[0].toString(16));
     }
 }
+
+// There's also serial.end(), so you can serial.setup() again in same script
+// You can also use serial.readAny(timeout), will avoid starving your loop with single byte reads

applications/system/js_app/js_app.c

@@ -97,7 +97,7 @@ static void js_app_free(JsApp* app) {
 int32_t js_app(void* arg) {
     JsApp* app = js_app_alloc();
 
-    FuriString* script_path = furi_string_alloc_set(APP_ASSETS_PATH());
+    FuriString* script_path = furi_string_alloc_set(EXT_PATH("apps/Scripts"));
     do {
         if(arg != NULL && strlen(arg) > 0) {
             furi_string_set(script_path, (const char*)arg);