feat: configurable tick_rate (#123)

README.md

@@ -184,6 +184,7 @@ variable, their values, and a brief description.
 | `g:molten_output_win_max_width`               | (`999999`) \| int                                           | Max width of the output window |
 | `g:molten_output_win_style`                   | (`false`) \| `"minimal"`                                    | Value passed to the `style` option in `:h nvim_open_win()` |
 | `g:molten_save_path`                          | (`stdpath("data").."/molten"`) \| any path to a folder      | Where to save/load data with `:MoltenSave` and `:MoltenLoad` |
+| `g:molten_tick_rate`                          | (`500`) \| `int`                                            | How often (in ms) we poll the kernel for updates. Determines how quickly the ui will update, if you want a snappier experience, you can set this to 150 or 200 |
 | `g:molten_use_border_highlights`              | `true` \| (`false`)                                         | When true, uses different highlights for output border depending on the state of the cell (running, done, error). see [highlights](#highlights) |
 | `g:molten_limit_output_chars`                 | (`1000000`) \| int                                          | Limit on the number of chars in an output. If you're lagging your editor with too much output text, decrease it |
 | `g:molten_virt_lines_off_by_1`                | `true` \| (`false`)                                         | Allows the output window to cover exactly one line of the regular buffer when `output_virt_lines` is true, also effects where `virt_text_output` is displayed. (useful for running code in a markdown file where that covered line will just be \`\`\`) |

rplugin/python3/molten/__init__.py

@@ -66,7 +66,9 @@ def _initialize(self) -> None:
         self.highlight_namespace = self.nvim.funcs.nvim_create_namespace("molten-highlights")
         self.extmark_namespace = self.nvim.funcs.nvim_create_namespace("molten-extmarks")
 
-        self.timer = self.nvim.eval("timer_start(500, 'MoltenTick', {'repeat': -1})")  # type: ignore
+        self.timer = self.nvim.eval(
+            f"timer_start({self.options.tick_rate}, 'MoltenTick', {{'repeat': -1}})"
+        )  # type: ignore
 
         self._setup_highlights()
         self._set_autocommands()
@@ -552,7 +554,7 @@ def kernel_check(self, command: str, buffer: Buffer) -> None:
             shared_kernels = [(x, True) for x in self.molten_kernels.keys()]
             PROMPT = "You Need to Initialize a Kernel First:"
             self.nvim.lua._prompt_init_and_run(available_kernels + shared_kernels, PROMPT, command)
-        elif not kernels: # and auto_init_behavior == "raise"
+        elif not kernels:  # and auto_init_behavior == "raise"
             raise MoltenException(
                 "Molten is not initialized in this buffer; run `:MoltenInit` to initialize."
             )

rplugin/python3/molten/options.py

@@ -50,6 +50,7 @@ class MoltenOptions:
     output_win_style: Optional[str]
     save_path: str
     show_mimetype_debug: bool
+    tick_rate: int
     use_border_highlights: bool
     virt_lines_off_by_1: bool
     virt_text_max_lines: int
@@ -82,6 +83,7 @@ def __init__(self, nvim: Nvim):
             ("molten_output_win_style", False),
             ("molten_save_path", os.path.join(nvim.funcs.stdpath("data"), "molten")),
             ("molten_show_mimetype_debug", False),
+            ("molten_tick_rate", 500),
             ("molten_use_border_highlights", False),
             ("molten_virt_lines_off_by_1", False),
             ("molten_virt_text_max_lines", 12),