olexsmir/gopher.nvim
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add help file, and docs (#59)

Browse source 
* idk how good this idea is

* this could be working but i still cant figure out how to run it

* ignore tags that mini.doc gens, but why?

* chore(taskfile): force exiting after tests

because i got infinit ci

* chore(ci): add more nvim versions to run on

* chore: update taskfile

* feat: add docs generator

* docs: its only begining

* refactor: update docgen script

* docs: write some more

* docs(config): update

* docs: update readme

* language

* hope it would work

* what about that?

* maybe this would work?

* update md

* upd

* WHY DOESNT IT WORKING

* idk by but 0.9.3 just fails the ci, so i deleted it from suite

* again update, why does markdown not work in embeded html

* maybe it can help?

* upd

* again update

* kinda fix

* fix: formatting

* again some updating

* some readme updating

* fix, this shouldnt be in repo

* i finnaly undertood how to fix this fking skill issue

* fix(struct_tags): typo

* refactor(docs): change the order in generated file

* docs: install deps

* refactor(scripts): rename doc-gen script

* docs(impl): write docs

* docs(dap): add doc

* stylua .

* docs(struct_tags): add doc

* docs(gotests): add docs

* docs(iferr): add docs

* docs(comment): add doc

* update CONTRIBUTING.md

* docs(README): talk about `develop` branch

* docs: update README.md
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14
.github/workflows/tests.yml vendored
View file

@ -16,11 +16,20 @@ jobs:
- v0.8.3
- v0.9.0
- v0.9.1
- v0.9.2
- v0.9.4
- v0.9.5
runs-on: ${{ matrix.os }}
steps:
- name: Install Task
uses: arduino/setup-task@v1
with:
version: 3.x
repo-token: ${{ secrets.GITHUB_TOKEN }}
- uses: actions/checkout@v3
- name: Install Neovim
shell: bash
run: |
mkdir -p /tmp/nvim
wget -q https://github.com/neovim/neovim/releases/download/${{ matrix.nvim_version }}/nvim.appimage -O /tmp/nvim/nvim.appimage
@ -28,7 +37,8 @@ jobs:
chmod a+x ./nvim.appimage
./nvim.appimage --appimage-extract
echo "/tmp/nvim/squashfs-root/usr/bin/" >> $GITHUB_PATH
- name: Run Tests
run: |
nvim --version
nvim --headless -u ./spec/minimal_init.lua -c "PlenaryBustedDirectory spec {minimal_init='./spec/minimal_init.lua', sequential=true}"
task test

48
CONTRIBUTING.md
View file

@ -1,6 +1,14 @@
# Contributing to `gopher.nvim`
Thank you for looking to contributing
Thank you for taking the time to submit some code to gopher.nvim. It means a lot!
### Task running
In this codebase for running tasks is used [Taskfile](https://taskfile.dev).
You can install it with:
```bash
go install github.com/go-task/task/v3/cmd/task@latest
```
### Styling and formatting
@ -8,6 +16,40 @@ Code is formatted by [stylua](https://github.com/JohnnyMorganz/StyLua) and linte
You can install these with:
```bash
cargo install stylua
cargo install selene
sudo pacman -S selene stylua
# or whatever is your package manager
# or way of installing pkgs
```
For formatting use this following commands, or setup your editor to integrate with selene/stylua:
```bash
task format
task format:check # will check if your code formatted
task lint
```
### Documentation
Here we are using [mini.doc](https://github.com/echasnovski/mini.nvim/blob/main/readmes/mini-doc.md)
for generating help files based on EmmyLua-like annotations in comments
You can generate docs with:
```bash
task docgen
```
### Commit messages
We use [Conventional Commits](https://www.conventionalcommits.org/en/v1.0.0/), please follow it.
### Testing
For testing this plugins uses [plenary.nvim](https://github.com/nvim-lua/plenary.nvim).
All tests live in [/spec](https://github.com/olexsmir/gopher.nvim/tree/main/spec) dir.
You can run tests with:
```bash
task test
# also there are some aliases for that
task tests
task spec
```

248
README.md
View file

@ -4,40 +4,54 @@
Minimalistic plugin for Go development in Neovim written in Lua.
It's not an LSP tool, the main goal of this plugin is add go tooling support in Neovim.
It's **NOT** an LSP tool, the main goal of this plugin is to add go tooling support in Neovim.
## Install
> If you want to use new and maybe undocumented, and unstable features you might use [develop](https://github.com/olexsmir/gopher.nvim/tree/develop) branch.
Pre-dependency: [go](https://github.com/golang/go) (tested on 1.17 and 1.18)
## Install (using [lazy.nvim](https://github.com/folke/lazy.nvim))
Pre-dependency:
- [Go](https://github.com/golang/go)
- `go` treesitter parser, install by `:TSInstall go`
```lua
use {
{
"olexsmir/gopher.nvim",
requires = { -- dependencies
ft = "go",
-- branch = "develop", -- if you want develop branch
-- keep in mind, it might break everything
dependencies = {
"nvim-lua/plenary.nvim",
"nvim-treesitter/nvim-treesitter",
"mfussenegger/nvim-dap", -- (optional) only if you use `gopher.dap`
},
-- (optional) will update plugin's deps on every update
build = function()
vim.cmd.GoInstallDeps()
end,
---@type gopher.Config
opts = {},
}
```
Also, run `TSInstall go` if `go` parser if isn't installed yet.
## Configuratoin
## Config
> [!IMPORTANT]
>
> If you need more info look `:h gopher.nvim`
By `.setup` function you can configure the plugin.
Note:
- `installer` does not install the tool in user set path
**Take a look at default options**
```lua
require("gopher").setup {
commands = {
go = "go",
gomodifytags = "gomodifytags",
gotests = "~/go/bin/gotests", -- also you can set custom command path
gotests = "gotests",
impl = "impl",
iferr = "iferr",
dlv = "dlv",
},
gotests = {
-- gotests doesn't have template named "default" so this plugin uses "default" to set the default template
@ -48,151 +62,170 @@ require("gopher").setup {
-- works only with gotests installed from develop branch
named = false,
},
gotag = {
transform = "snakecase",
},
}
```
### Named tests with testify (using map instead of slice for test cases)
```lua
require("gopher").setup({
gotests = {
template = "testify",
named = true
}
})
```
For named tests to work you have to install gotests from develop branch, for example using [mason-tool-installer](https://github.com/WhoIsSethDaniel/mason-tool-installer.nvim):
```lua
require('mason-tool-installer').setup({
ensure_installed = {
{ "gotests", version = "develop" },
}
})
```
Or by calling `vim.fn.jobstart`:
```lua
vim.fn.jobstart("go install github.com/cweill/gotests/...@develop")
```
If you're using `lazy.nvim` you can put in `build` function inside `setup()`
## Features
1. Installation requires this go tool:
<!-- markdownlint-disable -->
<details>
<summary>
<b>Install plugin's go deps</b>
</summary>
```vim
:GoInstallDeps
```
It will install next tools:
This will install the following tools:
- [gomodifytags](https://github.com/fatih/gomodifytags)
- [impl](https://github.com/josharian/impl)
- [gotests](https://github.com/cweill/gotests)
- [iferr](https://github.com/koron/iferr)
- [dlv](github.com/go-delve/delve/cmd/dlv)
</details>
<details>
<summary>
<b>Add and remove tags for structs via <a href="https://github.com/fatih/gomodifytags">gomodifytags</a></b>
</summary>
2. Modify struct tags:
By default `json` tag will be added/removed, if not set:
```vim
:GoTagAdd json " For add json tag
:GoTagRm yaml " For remove yaml tag
" add json tag
:GoTagAdd json
" remove yaml tag
:GoTagRm yaml
```
3. Run `go mod` command:
```vim
:GoMod tidy " Runs `go mod tidy`
:GoMod init asdf " Runs `go mod init asdf`
```lua
-- or you can use lua api
require("gopher").tags.add "xml"
require("gopher").tags.rm "proto"
```
</details>
4. Run `go get` command
Link can have a `http` or `https` prefix.
You can provide more than one package url:
```vim
:GoGet github.com/gorilla/mux
```
5. Interface implementation
Command syntax:
```vim
:GoImpl [receiver] [interface]
" Also you can put cursor on the struct and run:
:GoImpl [interface]
```
Example of usage:
```vim
" Example
:GoImpl r Read io.Reader
" or simply put your cursor in the struct and run:
:GoImpl io.Reader
```
6. Generate tests with [gotests](https://github.com/cweill/gotests)
Generate one test for a specific function/method:
<details>
<summary>
<b>Generating tests via <a href="https://github.com/cweill/gotests">gotests</a></b>
</summary>
```vim
" Generate one test for a specific function/method(one under cursor)
:GoTestAdd
```
Generate all tests for all functions/methods in current file:
```vim
" Generate all tests for all functions/methods in the current file
:GoTestsAll
```
Generate tests only for exported functions/methods in current file:
```vim
" Generate tests for only exported functions/methods in the current file
:GoTestsExp
```
7. Run `go generate` command;
```vim
" Run `go generate` in cwd path
:GoGenerate
" Run `go generate` for current file
:GoGenerate %
```lua
-- or you can use lua api
require("gopher").test.add()
require("gopher").test.exported()
require("gopher").test.all()
```
8. Generate doc comment
For named tests see `:h gopher.nvim-gotests-named`
</details>
<details>
<summary>
<b>Run commands like <code>go mod/get/etc</code> inside of nvim</b>
</summary>
```vim
:GoGet github.com/gorilla/mux
" Link can have an `http` or `https` prefix.
:GoGet https://github.com/lib/pq
" You can provide more than one package url
:GoGet github.com/jackc/pgx/v5 github.com/google/uuid/
" go mod commands
:GoMod tidy
:GoMod init new-shiny-project
" go work commands
:GoWork sync
" run go generate in cwd
:GoGenerate
" run go generate for the current file
:GoGenerate %
```
</details>
<details>
<summary>
<b>Interface implementation via <a href="https://github.com/josharian/impl">impl<a></b>
</summary>
Syntax of the command:
```vim
:GoImpl [receiver] [interface]
" also you can put a cursor on the struct and run
:GoImpl [interface]
```
Usage examples:
```vim
:GoImpl r Read io.Reader
:GoImpl Write io.Writer
" or you can simply put a cursor on the struct and run
:GoImpl io.Reader
```
</details>
<details>
<summary>
<b>Generate boilerplate for doc comments</b>
</summary>
First set a cursor on **public** package/function/interface/struct and execute:
```vim
:GoCmt
```
</details>
9. Generate `if err`
Set cursor on the line with **err** and execute:
<details>
<summary>
<b>Generate <code>if err != nil {</code> via <a href="https://github.com/koron/iferr">iferr</a></b>
</summary>
Set the cursor on the line with `err` and execute
```vim
:GoIfErr
```
</details>
10. Setup nvim-dap for go in one line.
<details>
<summary>
<b>Setup <a href="https://github.com/mfussenegger/nvim-dap">nvim-dap</a> for go in one line</b>
</summary>
Notice: [nvim-dap](https://github.com/mfussenegger/nvim-dap) is required
note [nvim-dap](https://github.com/mfussenegger/nvim-dap) has to be installed
```lua
require"gopher.dap".setup()
require("gopher.dap").setup()
```
</details>
## Contributing
@ -202,3 +235,4 @@ PRs are always welcome. See [CONTRIBUTING.md](./CONTRIBUTING.md)
- [go.nvim](https://github.com/ray-x/go.nvim)
- [nvim-dap-go](https://github.com/leoluz/nvim-dap-go)
- [iferr](https://github.com/koron/iferr)

39
Taskfile.yml
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@ -2,21 +2,29 @@ version: "3"
tasks:
format:
desc: formats all lua files in repo
cmds: [stylua .]
cmds:
- stylua .
lint:
desc: runs all linters
cmds:
- task: lint_selene
- task: lint_stylua
- task: selene
- task: stylua:check
lint_selene:
selene:
desc: runs lua linter(selene)
cmds: [selene .]
cmds:
- selene .
lint_stylua:
stylua:check:
desc: runs stylua in check mode
cmds: [stylua --check .]
cmds:
- stylua --check .
stylua:
desc: runs lua formatter
cmds:
- stylua .
test:
desc: runs all tests
@ -24,7 +32,18 @@ tasks:
cmds:
- |
nvim --headless \
-u ./spec/minimal_init.lua\
-u ./scripts/minimal_init.lua \
-c "PlenaryBustedDirectory spec \
{minimal_init='./spec/minimal_init.lua'\
,sequential=true}"
{minimal_init='./scripts/minimal_init.lua' \
,sequential=true}" \
-c ":qa!"
docgen:
desc: generate vimhelp
cmds:
- |
nvim --noplugin \
--headless \
-u "./scripts/minimal_init.lua" \
-c "luafile ./scripts/docgen.lua" \
-c ":qa!"

1
doc/.gitignore vendored Normal file
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@ -0,0 +1 @@
/tags

220
doc/gopher.nvim.txt Normal file
View file

@ -0,0 +1,220 @@
*gopher.nvim*
==============================================================================
gopher.nvim is a minimalistic plugin for Go development in Neovim written in Lua.
It's not an LSP tool, the main goal of this plugin is add go tooling support in Neovim.
------------------------------------------------------------------------------
*gopher.nvim-table-of-contents*
Table of Contents
Setup....................................................|gopher.nvim-setup|
Install dependencies..............................|gopher.nvim-install-deps|
Configuration...........................................|gopher.nvim-config|
Modifty struct tags................................|gopher.nvim-struct-tags|
Auto implementation of interface methods..................|gopher.nvim-impl|
Generating unit tests boilerplate......................|gopher.nvim-gotests|
Iferr....................................................|gopher.nvim-iferr|
Generate comments.....................................|gopher.nvim-comments|
Setup `nvim-dap` for Go......................................|gopher.nvim-dap|
------------------------------------------------------------------------------
*gopher.nvim-setup*
`gopher.setup`
Setup function. This method simply merges default configs with opts table.
You can read more about configuration at |gopher.nvim-config|
Calling this function is optional, if you ok with default settings. Look |gopher.nvim.config-defaults|
Usage ~
`require("gopher").setup {}` (replace `{}` with your `config` table)
------------------------------------------------------------------------------
*gopher.nvim-install-deps*
`gopher.install_deps`
Gopher.nvim implements most of its features using third-party tools.
To install these tools, you can run `:GoInstallDeps` command
or call `require("gopher").install_deps()` if you want ues lua api.
==============================================================================
------------------------------------------------------------------------------
*gopher.nvim-config*
config it is the place where you can configure the plugin.
also this is optional is you're ok with default settings.
You can look at default options |gopher.nvim-config-defaults|
------------------------------------------------------------------------------
*gopher.nvim-config-defaults*
`default_config`
>lua
local default_config = {
--minidoc_replace_end
-- user specified paths to binaries
---@class gopher.ConfigCommand
commands = {
go = "go",
gomodifytags = "gomodifytags",
gotests = "gotests",
impl = "impl",
iferr = "iferr",
dlv = "dlv",
},
---@class gopher.ConfigGotests
gotests = {
-- gotests doesn't have template named "default" so this plugin uses "default" to set the default template
template = "default",
-- path to a directory containing custom test code templates
---@type string|nil
template_dir = nil,
-- switch table tests from using slice to map (with test name for the key)
-- works only with gotests installed from develop branch
named = false,
},
---@class gopher.ConfigGoTag
gotag = {
---@type gopher.ConfigGoTagTransform
transform = "snakecase",
},
}
<
Class ~
{gopher.Config}
------------------------------------------------------------------------------
*config.setup()*
`config.setup`({user_config})
Parameters ~
{user_config} `(optional)` gopher.Config
==============================================================================
------------------------------------------------------------------------------
*gopher.nvim-struct-tags*
struct-tags is utilizing the `gomodifytags` tool to add or remove tags to struct fields.
Usage ~
- put your coursor on the struct
- run `:GoTagAdd json` to add json tags to struct fields
- run `:GoTagRm json` to remove json tags to struct fields
note: if you dont spesify the tag it will use `json` as default
simple example:
>go
// before
type User struct {
// ^ put your cursor here
// run `:GoTagAdd yaml`
ID int
Name string
}
// after
type User struct {
ID int `yaml:id`
Name string `yaml:name`
}
<
==============================================================================
------------------------------------------------------------------------------
*gopher.nvim-impl*
impl is utilizing the `impl` tool to generate method stubs for interfaces.
Usage ~
1. put your coursor on the struct on which you want implement the interface
and run `:GoImpl io.Reader`
which will automatically choose the reciver for the methods and
implement the `io.Reader` interface
2. same as previous but with custom receiver, so put your coursor on the struct
run `:GoImpl w io.Writer`
where `w` is the receiver and `io.Writer` is the interface
3. specift receiver, struct, and interface
there's no need to put your coursor on the struct if you specify all arguments
`:GoImpl r RequestReader io.Reader`
where `r` is the receiver, `RequestReader` is the struct and `io.Reader` is the interface
simple example:
>go
type BytesReader struct{}
// ^ put your cursor here
// run `:GoImpl b io.Reader`
// this is what you will get
func (b *BytesReader) Read(p []byte) (n int, err error) {
panic("not implemented") // TODO: Implement
}
<
==============================================================================
------------------------------------------------------------------------------
*gopher.nvim-gotests*
gotests is utilizing the `gotests` tool to generate unit tests boilerplate.
Usage ~
- generate unit test for spesisfic function/method
- to specift the function/method put your cursor on it
- run `:GoTestAdd`
- generate unit tests for all functions/methods in current file
- run `:GoTestsAll`
- generate unit tests only for exported(public) functions/methods
- run `:GoTestsExp`
you can also specify the template to use for generating the tests. see |gopher.nvim-config|
more details about templates can be found at: https://github.com/cweill/gotests
------------------------------------------------------------------------------
*gopher.nvim-gotests-named*
if you prefare using named tests, you can enable it in the config.
but you would need to install `gotests@develop` because stable version doesn't support this feature.
you can do it with:
>lua
-- simply run go get in your shell:
go install github.com/cweill/gotests/...@develop
-- if you want to install it within neovim, you can use one of this:
vim.fn.jobstart("go install github.com/cweill/gotests/...@develop")
-- or if you want to use mason:
require("mason-tool-installer").setup {
ensure_installed = {
{ "gotests", version = "develop" },
}
}
<
if you choose to install `gotests` within neovim, i recommend adding it to your `build` section in your |lazy.nvim|
==============================================================================
------------------------------------------------------------------------------
*gopher.nvim-iferr*
if you're using `iferr` tool, this module provides a way to automatically insert `if err != nil` check.
Usage ~
execute `:GoIfErr` near any err variable to insert the check
==============================================================================
------------------------------------------------------------------------------
*gopher.nvim-comments*
Usage ~
Execute `:GoCmt` to generate a comment for the current function/method/struct/etc on this line.
This module provides a way to generate comments for Go code.
==============================================================================
------------------------------------------------------------------------------
*gopher.nvim-dap*
This module sets up `nvim-dap` for Go.
Usage ~
just call `require("gopher.dap").setup()`, and you're good to go.
vim:tw=78:ts=8:noet:ft=help:norl:

5
lua/gopher/comment.lua
View file

@ -1,3 +1,8 @@
---@toc_entry Generate comments
---@tag gopher.nvim-comments
---@usage Execute `:GoCmt` to generate a comment for the current function/method/struct/etc on this line.
---@text This module provides a way to generate comments for Go code.
local function generate(row, col)
local ts_utils = require "gopher._utils.ts"
local comment, ns = nil, nil

22
lua/gopher/config.lua
View file

@ -1,6 +1,17 @@
---@toc_entry Configuration
---@tag gopher.nvim-config
---@text config it is the place where you can configure the plugin.
--- also this is optional is you're ok with default settings.
--- You can look at default options |gopher.nvim-config-defaults|
---@type gopher.Config
---@private
local config = {}
---@tag gopher.nvim-config.ConfigGoTagTransform
---@text Possible values for |gopher.Config|.gotag.transform:
---
---@private
---@alias gopher.ConfigGoTagTransform
---| "snakecase" "GopherUser" -> "gopher_user"
---| "camelcase" "GopherUser" -> "gopherUser"
@ -9,8 +20,16 @@ local config = {}
---| "titlecase" "GopherUser" -> "Gopher User"
---| "keep" keeps the original field name
--minidoc_replace_start {
---@tag gopher.nvim-config-defaults
---@eval return MiniDoc.afterlines_to_code(MiniDoc.current.eval_section):gsub(">", ">lua")
---
---@class gopher.Config
local default_config = {
--minidoc_replace_end
-- user specified paths to binaries
---@class gopher.ConfigCommand
commands = {
go = "go",
@ -29,7 +48,6 @@ local default_config = {
template_dir = nil,
-- switch table tests from using slice to map (with test name for the key)
-- works only with gotests installed from develop branch
---@type boolean
named = false,
},
---@class gopher.ConfigGoTag
@ -38,8 +56,10 @@ local default_config = {
transform = "snakecase",
},
}
--minidoc_afterlines_end
---@type gopher.Config
---@private
local _config = default_config
---@param user_config? gopher.Config

7
lua/gopher/dap.lua
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@ -1,3 +1,8 @@
---@toc_entry Setup `nvim-dap` for Go
---@tag gopher.nvim-dap
---@text This module sets up `nvim-dap` for Go.
---@usage just call `require("gopher.dap").setup()`, and you're good to go.
local u = require "gopher._utils"
local c = require "gopher.config"
local dap = {}
@ -106,7 +111,7 @@ dap.configuration = {
},
}
---setup `nvim-dap` for Go
-- sets ups nvim-dap for Go in one function call.
function dap.setup()
local d = u.sreq "dap"

48
lua/gopher/gotests.lua
View file

@ -1,3 +1,44 @@
---@toc_entry Generating unit tests boilerplate
---@tag gopher.nvim-gotests
---@text gotests is utilizing the `gotests` tool to generate unit tests boilerplate.
---@usage
--- - generate unit test for spesisfic function/method
--- - to specift the function/method put your cursor on it
--- - run `:GoTestAdd`
---
--- - generate unit tests for all functions/methods in current file
--- - run `:GoTestsAll`
---
--- - generate unit tests only for exported(public) functions/methods
--- - run `:GoTestsExp`
---
--- you can also specify the template to use for generating the tests. see |gopher.nvim-config|
--- more details about templates can be found at: https://github.com/cweill/gotests
---
---@tag gopher.nvim-gotests-named
---@text
--- if you prefare using named tests, you can enable it in the config.
--- but you would need to install `gotests@develop` because stable version doesn't support this feature.
--- you can do it with:
--- >lua
--- -- simply run go get in your shell:
--- go install github.com/cweill/gotests/...@develop
---
--- -- if you want to install it within neovim, you can use one of this:
---
--- vim.fn.jobstart("go install github.com/cweill/gotests/...@develop")
---
--- -- or if you want to use mason:
--- require("mason-tool-installer").setup {
--- ensure_installed = {
--- { "gotests", version = "develop" },
--- }
--- }
--- <
---
--- if you choose to install `gotests` within neovim, i recommend adding it to your `build` section in your |lazy.nvim|
local c = require "gopher.config"
local ts_utils = require "gopher._utils.ts"
local r = require "gopher._utils.runner"
@ -5,6 +46,7 @@ local u = require "gopher._utils"
local gotests = {}
---@param args table
---@private
local function add_test(args)
if c.gotests.named then
table.insert(args, "-named")
@ -35,7 +77,7 @@ local function add_test(args)
})
end
---generate unit test for one function
-- generate unit test for one function
function gotests.func_test()
local ns = ts_utils.get_func_method_node_at_pos(unpack(vim.api.nvim_win_get_cursor(0)))
if ns == nil or ns.name == nil then
@ -46,12 +88,12 @@ function gotests.func_test()
add_test { "-only", ns.name }
end
---generate unit tests for all functions in current file
-- generate unit tests for all functions in current file
function gotests.all_tests()
add_test { "-all" }
end
---generate unit tests for all exported functions
-- generate unit tests for all exported functions
function gotests.all_exported_tests()
add_test { "-exported" }
end

7
lua/gopher/iferr.lua
View file

@ -1,7 +1,12 @@
---@toc_entry Iferr
---@tag gopher.nvim-iferr
---@text if you're using `iferr` tool, this module provides a way to automatically insert `if err != nil` check.
---@usage execute `:GoIfErr` near any err variable to insert the check
local c = require "gopher.config"
local iferr = {}
-- That's Lua of vimscript implementation of: github.com/koron/iferr
-- That's Lua implementation: github.com/koron/iferr
function iferr.iferr()
local boff = vim.fn.wordcount().cursor_bytes
local pos = vim.fn.getcurpos()[2]

29
lua/gopher/impl.lua
View file

@ -1,3 +1,31 @@
---@toc_entry Auto implementation of interface methods
---@tag gopher.nvim-impl
---@text impl is utilizing the `impl` tool to generate method stubs for interfaces.
---@usage
--- 1. put your coursor on the struct on which you want implement the interface
--- and run `:GoImpl io.Reader`
--- which will automatically choose the reciver for the methods and
--- implement the `io.Reader` interface
--- 2. same as previous but with custom receiver, so put your coursor on the struct
--- run `:GoImpl w io.Writer`
--- where `w` is the receiver and `io.Writer` is the interface
--- 3. specift receiver, struct, and interface
--- there's no need to put your coursor on the struct if you specify all arguments
--- `:GoImpl r RequestReader io.Reader`
--- where `r` is the receiver, `RequestReader` is the struct and `io.Reader` is the interface
---
--- simple example:
--- >go
--- type BytesReader struct{}
--- // ^ put your cursor here
--- // run `:GoImpl b io.Reader`
---
--- // this is what you will get
--- func (b *BytesReader) Read(p []byte) (n int, err error) {
--- panic("not implemented") // TODO: Implement
--- }
--- <
local c = require("gopher.config").commands
local r = require "gopher._utils.runner"
local ts_utils = require "gopher._utils.ts"
@ -5,6 +33,7 @@ local u = require "gopher._utils"
local impl = {}
---@return string
---@private
local function get_struct()
local ns = ts_utils.get_struct_node_at_pos(unpack(vim.api.nvim_win_get_cursor(0)))
if ns == nil then

25
lua/gopher/init.lua
View file

@ -1,10 +1,35 @@
--- *gopher.nvim*
---
--- ==============================================================================
---
--- gopher.nvim is a minimalistic plugin for Go development in Neovim written in Lua.
--- It's not an LSP tool, the main goal of this plugin is add go tooling support in Neovim.
--- Table of Contents
---@tag gopher.nvim-table-of-contents
---@toc
local tags = require "gopher.struct_tags"
local tests = require "gopher.gotests"
local gocmd = require("gopher._utils.runner.gocmd").run
local gopher = {}
---@toc_entry Setup
---@tag gopher.nvim-setup
---@text Setup function. This method simply merges default configs with opts table.
--- You can read more about configuration at |gopher.nvim-config|
--- Calling this function is optional, if you ok with default settings. Look |gopher.nvim.config-defaults|
---
---@usage `require("gopher").setup {}` (replace `{}` with your `config` table)
gopher.setup = require("gopher.config").setup
---@toc_entry Install dependencies
---@tag gopher.nvim-install-deps
---@text Gopher.nvim implements most of its features using third-party tools.
--- To install these tools, you can run `:GoInstallDeps` command
--- or call `require("gopher").install_deps()` if you want ues lua api.
gopher.install_deps = require("gopher.installer").install_deps
gopher.impl = require("gopher.impl").impl
gopher.iferr = require("gopher.iferr").iferr
gopher.comment = require "gopher.comment"

34
lua/gopher/struct_tags.lua
View file

@ -1,3 +1,29 @@
---@toc_entry Modifty struct tags
---@tag gopher.nvim-struct-tags
---@text struct-tags is utilizing the `gomodifytags` tool to add or remove tags to struct fields.
---@usage - put your coursor on the struct
--- - run `:GoTagAdd json` to add json tags to struct fields
--- - run `:GoTagRm json` to remove json tags to struct fields
---
--- note: if you dont spesify the tag it will use `json` as default
---
--- simple example:
--- >go
--- // before
--- type User struct {
--- // ^ put your cursor here
--- // run `:GoTagAdd yaml`
--- ID int
--- Name string
--- }
---
--- // after
--- type User struct {
--- ID int `yaml:id`
--- Name string `yaml:name`
--- }
--- <
local ts_utils = require "gopher._utils.ts"
local r = require "gopher._utils.runner"
local c = require "gopher.config"
@ -56,7 +82,7 @@ local function modify(...)
or tagged["start"] == nil
or tagged["start"] == 0
then
error("failed to set tags " .. vim.inspec(tagged))
error("failed to set tags " .. vim.inspect(tagged))
end
vim.api.nvim_buf_set_lines(
@ -69,8 +95,7 @@ local function modify(...)
vim.cmd "write"
end
---add tags to struct under cursor
---@param ... unknown
-- add tags to struct under cursor
function struct_tags.add(...)
local arg = { ... }
if #arg == nil or arg == "" then
@ -85,8 +110,7 @@ function struct_tags.add(...)
modify(unpack(cmd_args))
end
---remove tags to struct under cursor
---@param ... unknown
-- remove tags to struct under cursor
function struct_tags.remove(...)
local arg = { ... }
if #arg == nil or arg == "" then

33
scripts/docgen.lua Normal file
View file

@ -0,0 +1,33 @@
---@diagnostic disable: undefined-global
--# selene: allow(undefined_variable)
local okay, minidoc = pcall(require, "mini.doc")
if not okay then
error "mini.doc not found, please install it. https://github.com/echasnovski/mini.doc"
return
end
local files = {
"lua/gopher/init.lua",
"lua/gopher/config.lua",
"lua/gopher/struct_tags.lua",
"lua/gopher/impl.lua",
"lua/gopher/gotests.lua",
"lua/gopher/iferr.lua",
"lua/gopher/comment.lua",
"lua/gopher/dap.lua",
}
minidoc.setup()
local hooks = vim.deepcopy(minidoc.default_hooks)
hooks.write_pre = function(lines)
-- Remove first two lines with `======` and `------` delimiters to comply
-- with `:h local-additions` template
table.remove(lines, 1)
table.remove(lines, 1)
return lines
end
MiniDoc.generate(files, "doc/gopher.nvim.txt", { hooks = hooks })

1
spec/minimal_init.lua → scripts/minimal_init.lua
View file

@ -26,6 +26,7 @@ vim.notify = print
install_plug "nvim-lua/plenary.nvim"
install_plug "nvim-treesitter/nvim-treesitter"
install_plug "echasnovski/mini.doc" -- used for docs generation
vim.env.XDG_CONFIG_HOME = root ".tests/config"
vim.env.XDG_DATA_HOME = root ".tests/data"