feat: add support for JavaScript object

README.md

@@ -70,6 +70,8 @@ You can pass the json in any of the following formats:
 | `keep_running`| `bool` | ✔️ | Whether to keep the server running. Defaults to `False`.                 |
 | `run_in_thread`| `bool` | ✔️ | Whether to run the server in a separate thread. Defaults to `False`.    |
 | `is_csv`| `bool` | ✔️ | Whether the data is csv data. Defaults to `False`.                             |
+| `is_ndjson`| `bool` | ✔️ | Whether the data is Newline Delimited JSON  . Defaults to `False`.          |
+| `is_js_object`| `bool` | ✔️ | Whether the data is a JavaScript Object. Defaults to `False`.            |
 | `title`| `str` | ✔️ | A title to display in the browser.                                               |
 | `port`| `int` | ✔️ | specify which port to use.                                                        |
 
@@ -78,16 +80,19 @@ You can pass the json in any of the following formats:
 
 | parameter | description                                                           |
 | --------- | ----------------------------------------------------------------------|
-| `data`    | The data in any of [these](#formats-you-can-pass-the-json-as) formats.|
-| `-o`      | Add a button that will output the json back to the console.           |
-| `-b`      | Keep running in background.                                           |
-| `-c`      | Get JSON input from clipboard.                                        |
-| `-k`      | Keep alive.                                                           |
-| `-e`      | Edit mode.                                                            |
-| `-p`      | Server port.                                                          |
-| `--out`   | File to output when in edit mode.                                     |
-| `-t`      | Title to display in browser window.                                   |
-| `--csv`   | Input is CSV.                                                         |
+| `data`    | The data in any of [these](#formats-you-can-pass-the-json-as) formats |
+| `-o`      | Add a button that will output the json back to the console            |
+| `-b`      | Keep running in background                                            |
+| `-c`      | Get JSON input from clipboard                                         |
+| `-k`      | Keep alive                                                            |
+| `-e`      | Edit mode                                                             |
+| `-n`      | Don't launch browser                                                  |
+| `-p`      | Server port                                                           |
+| `--out`   | File to output when in edit mode                                      |
+| `-t`      | Title to display in browser window                                    |
+| `--csv`   | Input is CSV                                                          |
+| `--js`    | Input is a JavaScript Object                                          |
+| `--ndjson`| Input is Newline Delimited JSON                                       |
 
 
 ## Build

jsoneditor/jsoneditor.py

@@ -5,12 +5,13 @@
 import mimetypes
 import os
 import random
+import subprocess
 import sys
 import threading
 import webbrowser
 from collections.abc import Mapping
 from io import TextIOWrapper
-from typing import Union, Callable, Any
+from typing import Any, Callable, Union
 from urllib.parse import urlparse
 from wsgiref.simple_server import WSGIRequestHandler, make_server
 
@@ -52,6 +53,7 @@ def __init__(
         run_in_thread: bool = False,
         is_csv: bool = False,
         is_ndjson: bool = False,
+        is_js_object: bool = False,
         title: str = None,
         port: int = None,
         no_browser: bool = False,
@@ -63,6 +65,7 @@ def __init__(
         self.run_in_thread = run_in_thread
         self.is_csv = is_csv
         self.is_ndjson = is_ndjson
+        self.is_js_object = is_js_object
         self.title = title
         self.no_browser = no_browser
         self.get_random_port(port)
@@ -143,6 +146,20 @@ def load_json(self, source):
             elif isinstance(source, TextIOWrapper):
                 lines = source.readlines()
             result = list(json.loads(line) for line in lines)
+        elif self.is_js_object:
+            try:
+                result = json.loads(
+                    subprocess.run(
+                        ["node", "-e", f"console.log(JSON.stringify({source}))"],
+                        capture_output=True,
+                        check=True,
+                    ).stdout.decode()
+                )
+            except FileNotFoundError:
+                print(
+                    "You need to have Nodejs installed to be able to use JavaScript Objects."
+                )
+                sys.exit(1)
         else:
             if isinstance(source, str):
                 try:
@@ -241,6 +258,7 @@ def editjson(
     run_in_thread: bool = False,
     is_csv: bool = False,
     is_ndjson: bool = False,
+    is_js_object: bool = False,
     title: str = None,
     port: int = None,
     no_browser: bool = False,
@@ -256,6 +274,7 @@ def editjson(
         run_in_thread,
         is_csv,
         is_ndjson,
+        is_js_object,
         title,
         port,
         no_browser,
@@ -301,7 +320,7 @@ def main() -> None:
     )
     parser.add_argument(
         "-o",
-        help="Add a button that will output the json back to the console",
+        help="Add a button that will output the JSON back to the console",
         action="store_true",
     )
     parser.add_argument("-b", help="Keep running in background", action="store_true")
@@ -313,6 +332,9 @@ def main() -> None:
     parser.add_argument("--out", help="File to output when in edit mode")
     parser.add_argument("-t", help="Title to display in browser window")
     parser.add_argument("--csv", help="Input is CSV", action="store_true")
+    parser.add_argument(
+        "--js", help="Input is a JavaScript Object", action="store_true"
+    )
     parser.add_argument(
         "--ndjson", help="Input is Newline Delimited JSON", action="store_true"
     )
@@ -340,6 +362,9 @@ def main() -> None:
     if args.csv:
         options["is_csv"] = True
 
+    if args.js:
+        options["is_js_object"] = True
+
     if args.ndjson:
         options["is_ndjson"] = True