[mirror] Make your go dev experience better
github.com/olexsmir/gopher.nvim
neovim
golang
feat: json2go (#130)
* feat(json2go): implement
* feat(json2go): support manual input
* chore(readme): add json2go
* chore(docs): add docs
authored by
Oleksandr Smirnov
and committed by
GitHub
6a3924ce
4a2384ad
+312
-1
+28
README.md
+28
README.md
···
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- [impl](https://github.com/josharian/impl)
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- [gotests](https://github.com/cweill/gotests)
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- [iferr](https://github.com/koron/iferr)
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- [json2go](https://github.com/olexsmir/json2go)
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</details>
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<details>
···
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```
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</details>
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<details>
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<summary>
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<b>Convert json to Go types</b>
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</summary>
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`:GoJson` opens a temporary buffer where you can paste or write JSON.
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Saving the buffer (`:w` or `:wq`) automatically closes it and inserts the generated Go struct into the original buffer at the cursor position.
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Alternatively, you can pass JSON directly as an argument:
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```vim
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:GoJson {"name": "Alice", "age": 30}
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```
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Additionally, `gopher.json2go` provides lua api, see `:h gopher.nvim-json2go` for details.
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</details>
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<details>
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<summary>
···
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-- choose a custom error message, nil to use default
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-- e.g: `message = 'fmt.Errorf("failed to %w", err)'`
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message = nil,
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},
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json2go = {
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-- command used to open interactive input.
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-- e.g: `split`, `botright split`, `tabnew`
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interactive_cmd = "vsplit",
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-- name of autogenerated struct
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-- e.g: "MySuperCoolName"
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type_name = nil,
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},
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}
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```
+50
doc/gopher.nvim.txt
+50
doc/gopher.nvim.txt
···
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Config ................................................ |gopher.nvim-config|
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Commands ............................................ |gopher.nvim-commands|
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Modify struct tags ............................... |gopher.nvim-struct-tags|
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json2go .............................................. |gopher.nvim-json2go|
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Auto implementation of interface methods ................ |gopher.nvim-impl|
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Generating unit tests boilerplate .................... |gopher.nvim-gotests|
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Iferr .................................................. |gopher.nvim-iferr|
···
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gotests = "gotests",
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impl = "impl",
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iferr = "iferr",
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json2go = "json2go",
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},
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---@class gopher.ConfigGotests
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gotests = {
···
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---@type string|nil
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option = nil,
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},
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---@class gopher.ConfigIfErr
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iferr = {
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-- choose a custom error message, nil to use default
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-- e.g: `message = 'fmt.Errorf("failed to %w", err)'`
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---@type string|nil
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message = nil,
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},
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---@class gopher.ConfigJson2Go
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json2go = {
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-- command used to open interactive input.
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-- e.g: `split`, `botright split`, `tabnew`
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interactive_cmd = "vsplit",
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-- name of autogenerated struct, if nil none, will the default one of json2go.
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-- e.g: "MySuperCoolName"
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---@type string|nil
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type_name = nil,
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},
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}
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<
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Class ~
···
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Name string `yaml:name`
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}
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<
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==============================================================================
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------------------------------------------------------------------------------
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*gopher.nvim-json2go*
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Convert json to go type annotations.
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Usage ~
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`:GoJson` opens a temporary buffer where you can paste or write JSON.
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Saving the buffer (`:w` or `:wq`) automatically closes it and inserts the
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generated Go struct into the original buffer at the cursor position.
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Alternatively, you can pass JSON directly as an argument:
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>vim
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:GoJson {"name": "Alice", "age": 30}
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<
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------------------------------------------------------------------------------
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*json2go.transform()*
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`json2go.transform`({json_str})
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Parameters ~
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{json_str} `(string)` Json string that is going to be converted to go type.
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Return ~
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`(string)` `(optional)` Go type, or nil if failed.
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------------------------------------------------------------------------------
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*json2go.json2go()*
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`json2go.json2go`({json_str})
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Converts json string to go type, and puts result under the cursor. If
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[json_str] is nil, will open an interactive prompt (with cmd set in
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config).
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Parameters ~
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{json_str} `(optional)` `(string)`
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==============================================================================
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------------------------------------------------------------------------------
+16
lua/gopher/config.lua
+16
lua/gopher/config.lua
···
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gotests = "gotests",
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impl = "impl",
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iferr = "iferr",
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json2go = "json2go",
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},
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---@class gopher.ConfigGotests
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gotests = {
···
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---@type string|nil
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option = nil,
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},
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---@class gopher.ConfigIfErr
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iferr = {
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-- choose a custom error message, nil to use default
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-- e.g: `message = 'fmt.Errorf("failed to %w", err)'`
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---@type string|nil
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message = nil,
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},
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---@class gopher.ConfigJson2Go
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json2go = {
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-- command used to open interactive input.
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-- e.g: `split`, `botright split`, `tabnew`
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interactive_cmd = "vsplit",
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-- name of autogenerated struct, if nil none, will the default one of json2go.
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-- e.g: "MySuperCoolName"
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---@type string|nil
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type_name = nil,
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},
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}
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--minidoc_afterlines_end
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···
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vim.validate("commands.gotests", _config.commands.gotests, "string")
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vim.validate("commands.impl", _config.commands.impl, "string")
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vim.validate("commands.iferr", _config.commands.iferr, "string")
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vim.validate("commands.json2go", _config.commands.json2go, "string")
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vim.validate("gotests", _config.gotests, "table")
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vim.validate("gotests.template", _config.gotests.template, "string")
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vim.validate("gotests.template_dir", _config.gotests.template_dir, { "string", "nil" })
···
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vim.validate("gotag.option", _config.gotag.option, { "string", "nil" })
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vim.validate("iferr", _config.iferr, "table")
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vim.validate("iferr.message", _config.iferr.message, { "string", "nil" })
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vim.validate("json2go.installer_timeout", _config.json2go.interactive_cmd, "string")
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vim.validate("json2go.type_name", _config.json2go.type_name, { "string", "nil" })
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end
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setmetatable(config, {
+1
lua/gopher/installer.lua
+1
lua/gopher/installer.lua
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lua/gopher/json2go.lua
+137
lua/gopher/json2go.lua
···
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---@toc_entry json2go
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---@tag gopher.nvim-json2go
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---@text
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--- Convert json to go type annotations.
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---
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---@usage
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--- `:GoJson` opens a temporary buffer where you can paste or write JSON.
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--- Saving the buffer (`:w` or `:wq`) automatically closes it and inserts the
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--- generated Go struct into the original buffer at the cursor position.
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---
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--- Alternatively, you can pass JSON directly as an argument:
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--- >vim
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--- :GoJson {"name": "Alice", "age": 30}
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--- <
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local c = require "gopher.config"
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local log = require "gopher._utils.log"
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local u = require "gopher._utils"
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local r = require "gopher._utils.runner"
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local json2go = {}
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---@dochide
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---@param bufnr integer
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---@param cpos integer
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---@param type_ string
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local function apply(bufnr, cpos, type_)
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local lines = vim.api.nvim_buf_get_lines(bufnr, 0, -1, false)
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local input_lines = u.remove_empty_lines(vim.split(type_, "\n"))
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for i, line in pairs(input_lines) do
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table.insert(lines, cpos + i, line)
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end
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vim.api.nvim_buf_set_lines(bufnr, 0, -1, true, lines)
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end
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-- Convert json string to go type.
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---
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---@param json_str string Json string that is going to be converted to go type.
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---@return string? Go type, or nil if failed.
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function json2go.transform(json_str)
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local cmd = { c.commands.json2go }
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if c.json2go.type_name then
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table.insert(cmd, "-type", c.json2go.type_name)
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end
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local rs = r.sync(cmd, { stdin = json_str })
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if rs.code ~= 0 then
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u.notify("json2go: got this error: " .. rs.stdout, vim.log.levels.ERROR)
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log.error("json2go: got this error: " .. rs.stdout)
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return
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end
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return rs.stdout
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end
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---@dochide
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---@param ocpos integer
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local function interactive(ocpos)
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local obuf = vim.api.nvim_get_current_buf()
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local owin = vim.api.nvim_get_current_win()
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-- setup the input window
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local buf = vim.api.nvim_create_buf(false, true)
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vim.cmd(c.json2go.interactive_cmd)
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local win = vim.api.nvim_get_current_win()
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vim.api.nvim_win_set_buf(win, buf)
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vim.api.nvim_buf_set_name(buf, "[GoJson input]")
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vim.api.nvim_set_option_value("filetype", "jsonc", { buf = buf })
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vim.api.nvim_set_option_value("buftype", "acwrite", { buf = buf })
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vim.api.nvim_set_option_value("swapfile", false, { buf = buf })
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vim.api.nvim_set_option_value("bufhidden", "delete", { buf = buf })
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vim.api.nvim_buf_set_lines(buf, 0, -1, false, {
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"// Write your json here.",
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"// Writing and quitting (:wq), will generate go struct under the cursor.",
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"",
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"",
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})
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vim.api.nvim_create_autocmd("BufLeave", { buffer = buf, command = "stopinsert" })
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vim.api.nvim_create_autocmd("BufWriteCmd", {
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buffer = buf,
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once = true,
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callback = function()
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local input = vim.api.nvim_buf_get_lines(buf, 0, -1, true)
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local inp = table.concat(
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vim
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.iter(input)
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:filter(function(line)
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local found = string.find(line, "^//.*")
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return (not found) or (line == "")
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end)
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:totable(),
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"\n"
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)
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local go_type = json2go.transform(inp)
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if not go_type then
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error "cound't convert json to go type"
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end
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vim.api.nvim_set_option_value("modified", false, { buf = buf })
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apply(obuf, ocpos, go_type)
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vim.api.nvim_set_current_win(owin)
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vim.api.nvim_win_set_cursor(owin, { ocpos + 1, 0 })
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vim.schedule(function()
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pcall(vim.api.nvim_win_close, win, true)
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pcall(vim.api.nvim_buf_delete, buf, {})
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end)
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end,
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})
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vim.cmd "normal! G"
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vim.cmd "startinsert"
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end
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--- Converts json string to go type, and puts result under the cursor. If
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--- [json_str] is nil, will open an interactive prompt (with cmd set in
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--- config).
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---
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---@param json_str? string
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function json2go.json2go(json_str)
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local cur_line = vim.api.nvim_win_get_cursor(0)[1]
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if not json_str then
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interactive(cur_line)
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return
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end
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local go_type = json2go.transform(json_str)
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if not go_type then
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error "cound't convert json to go type"
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end
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apply(0, cur_line, go_type)
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end
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return json2go
+6
-1
plugin/gopher.lua
+6
-1
plugin/gopher.lua
···
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require("gopher").tags.clear()
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end)
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-- :GoJson
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cmd("GoJson", function(opts)
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local inp = ((opts.args ~= "" and opts.args) or nil)
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require("gopher.json2go").json2go(inp)
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end, "*")
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-- :GoTest
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cmd("GoTestAdd", function()
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require("gopher").test.add()
···
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end, "*")
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cmd("GoGet", function(opts)
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vim.print(opts)
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require("gopher").get(opts.fargs)
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end, "*")
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+1
scripts/docgen.lua
+1
scripts/docgen.lua
+5
spec/fixtures/json2go/interativly_output.go
+5
spec/fixtures/json2go/interativly_output.go
+7
spec/fixtures/json2go/manual_output.go
+7
spec/fixtures/json2go/manual_output.go
+25
spec/integration/json2go_test.lua
+25
spec/integration/json2go_test.lua
···
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local t = require "spec.testutils"
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local child, T, json2go = t.setup "json2go"
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json2go["should convert interativly"] = function()
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local rs = t.setup_test("json2go/interativly", child, { 2, 0 })
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child.cmd "GoJson"
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child.type_keys [[{"json": true}]]
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child.type_keys "<Esc>"
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child.cmd "wq" -- quit prompt
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child.cmd "write" -- the fixture file
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t.eq(t.readfile(rs.tmp), rs.fixtures.output)
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t.cleanup(rs)
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end
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json2go["should convert argument"] = function()
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local rs = t.setup_test("json2go/manual", child, { 2, 0 })
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child.cmd [[GoJson {"user": {"name": "user-ovic"}}]]
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child.cmd "write"
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t.eq(t.readfile(rs.tmp), rs.fixtures.output)
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t.cleanup(rs)
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end
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return T
+3
vhs/Taskfile.yml
+3
vhs/Taskfile.yml
vhs/json2go.gif
vhs/json2go.gif
This is a binary file and will not be displayed.
+27
vhs/json2go.tape
+27
vhs/json2go.tape
···
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Output json2go.gif
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Require nvim
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Require json2go
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Set FontFamily "JetBrains Mono"
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Set Height 800
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Set Width 1500
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Set Padding 20
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Set Shell "bash"
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Set Theme "tokyonight"
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Set TypingSpeed 250ms
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Hide Type@0ms "./nvim.sh json2go.go" Enter Show
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Type@0ms "G"
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Type@400ms ":GoJson" Sleep 500ms Enter
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Type@70ms "{" Enter
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Type@70ms `"json": true,` Enter
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Type@70ms `"user": {"name": "Name", "of_age": true}` Enter
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Type@70ms "}"
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Escape Type@500ms ":wq" Enter
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Sleep 1s
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Type@25ms "G2o" Escape
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Type@120ms `:GoJson {"json": true}` Enter
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Sleep 5s