From ba1ca20bb5f89a8bdd94b268411263275550843a Mon Sep 17 00:00:00 2001
From: Steven Arcangeli <506791+stevearc@users.noreply.github.com>
Date: Thu, 5 Oct 2023 20:43:18 -0700
Subject: feat: expose configuration options for injected formatter (#118)

---
 lua/conform/formatters/injected.lua | 35 ++++++++++++++++++++++++++++++-----
 lua/conform/init.lua                |  7 ++++---
 lua/conform/runner.lua              |  2 +-
 3 files changed, 35 insertions(+), 9 deletions(-)

(limited to 'lua')

diff --git a/lua/conform/formatters/injected.lua b/lua/conform/formatters/injected.lua
index db5b3ae..b9d3acd 100644
--- a/lua/conform/formatters/injected.lua
+++ b/lua/conform/formatters/injected.lua
@@ -60,17 +60,29 @@ local function apply_indent(lines, indentation)
   end
 end
 
----@type conform.FileLuaFormatterConfig
+---@class conform.InjectedFormatterConfig : conform.FileLuaFormatterConfig
+---@field format fun(self: conform.InjectedFormatterConfig, ctx: conform.Context, lines: string[], callback: fun(err: nil|string, new_lines: nil|string[]))
+---@field condition? fun(self: conform.InjectedFormatterConfig, ctx: conform.Context): boolean
+---@field options conform.InjectedFormatterOptions
+
+---@class (exact) conform.InjectedFormatterOptions
+---@field ignore_errors boolean
+
+---@type conform.InjectedFormatterConfig
 return {
   meta = {
     url = "lua/conform/formatters/injected.lua",
     description = "Format treesitter injected languages.",
   },
-  condition = function(ctx)
+  options = {
+    -- Set to true to ignore errors
+    ignore_errors = false,
+  },
+  condition = function(self, ctx)
     local ok = pcall(vim.treesitter.get_parser, ctx.buf)
     return ok
   end,
-  format = function(ctx, lines, callback)
+  format = function(self, ctx, lines, callback)
     local conform = require("conform")
     local log = require("conform.log")
     local util = require("conform.util")
@@ -112,8 +124,20 @@ return {
 
     local function apply_format_results()
       if format_error then
-        callback(format_error)
-        return
+        if self.options.ignore_errors then
+          -- Find all of the conform errors in the replacements table and remove them
+          local i = 1
+          while i <= #replacements do
+            if replacements[i].code then
+              table.remove(replacements, i)
+            else
+              i = i + 1
+            end
+          end
+        else
+          callback(format_error)
+          return
+        end
       end
 
       local formatted_lines = vim.deepcopy(lines)
@@ -133,6 +157,7 @@ return {
     local formatter_cb = function(err, idx, start_lnum, end_lnum, new_lines)
       if err then
         format_error = err
+        replacements[idx] = err
       else
         replacements[idx] = { start_lnum, end_lnum, new_lines }
       end
diff --git a/lua/conform/init.lua b/lua/conform/init.lua
index ba2f8fc..fe6f934 100644
--- a/lua/conform/init.lua
+++ b/lua/conform/init.lua
@@ -19,8 +19,8 @@ local M = {}
 ---@field env? table<string, any>|fun(ctx: conform.Context): table<string, any>
 
 ---@class (exact) conform.LuaFormatterConfig
----@field format fun(ctx: conform.Context, lines: string[], callback: fun(err: nil|string, new_lines: nil|string[]))
----@field condition? fun(ctx: conform.Context): boolean
+---@field format fun(self: conform.LuaFormatterConfig, ctx: conform.Context, lines: string[], callback: fun(err: nil|string, new_lines: nil|string[]))
+---@field condition? fun(self: conform.LuaFormatterConfig, ctx: conform.Context): boolean
 
 ---@class (exact) conform.FileLuaFormatterConfig : conform.LuaFormatterConfig
 ---@field meta conform.FormatterMeta
@@ -574,7 +574,8 @@ M.get_formatter_info = function(formatter, bufnr)
   local available = true
   local available_msg = nil
   if config.format then
-    if config.condition and not config.condition(ctx) then
+    ---@cast config conform.LuaFormatterConfig
+    if config.condition and not config:condition(ctx) then
       available = false
       available_msg = "Condition failed"
     end
diff --git a/lua/conform/runner.lua b/lua/conform/runner.lua
index b77678f..ef96e42 100644
--- a/lua/conform/runner.lua
+++ b/lua/conform/runner.lua
@@ -265,7 +265,7 @@ local function run_formatter(bufnr, formatter, config, ctx, input_lines, opts, c
   log.trace("Input lines: %s", input_lines)
   if config.format then
     ---@cast config conform.LuaFormatterConfig
-    local ok, err = pcall(config.format, ctx, input_lines, callback)
+    local ok, err = pcall(config.format, config, ctx, input_lines, callback)
     if not ok then
       callback({
         code = M.ERROR_CODE.RUNTIME,
-- 
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