Question 1

How to set up iron.nvim for Python in Neovim?

Accepted Answer

Define a Python REPL in the repl_definition config, e.g., using command = {"python3"} and optional format = common.bracketed_paste_python. Ensure to set environment variables like PYTHON_BASIC_REPL for Python 3.13+ compatibility, as noted in the README.

Question 2

iron.nvim vs Conjure for Neovim REPL?

Accepted Answer

iron.nvim focuses on general REPL integration with flexible window management and keymaps, while Conjure is tailored for Lisp-like languages with structured editing. Choose iron.nvim for multi-language support and customization, or Conjure for specialized Lisps.

Question 3

How to send a visual selection to REPL in iron.nvim?

Accepted Answer

Map a key to visual_send in the keymaps config, e.g., visual_send = "<space>sc". In visual mode, highlight the code and press the keymap to send it directly to the active REPL.

Question 4

Can iron.nvim work with JavaScript REPL?

Accepted Answer

Yes, but you need to define a JavaScript REPL command in repl_definition, such as using node or a specific tool like node-repl. The README doesn't provide a default, so configuration is required.

Question 5

How to configure floating windows in iron.nvim?

Accepted Answer

Use view functions like view.center or view.offset in repl_open_cmd, specifying width, height, and offsets. For example, view.center("30%", 20) creates a centered float with dynamic sizing.

Question 6

Does iron.nvim support debugging integration?

Accepted Answer

Yes, it integrates with nvim-dap via dap_integration = true in the config, allowing selections to be sent to the DAP REPL during debugging sessions for interactive evaluation.

iron.nvim

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