From 5f956853b1ad7c9457faf059555b8021f26539af Mon Sep 17 00:00:00 2001
From: Yasuhiro Matsumoto <mattn.jp@gmail.com>
Date: Mon, 18 Mar 2024 22:52:25 +0900
Subject: [PATCH] add add lint-after-open

---
 .../handle_text_document_formatting_test.go      |  1 +
 langserver/handler.go                            | 16 +++++++++++++---
 schema.json                                      |  5 +++++
 3 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/langserver/handle_text_document_formatting_test.go b/langserver/handle_text_document_formatting_test.go
index b00dc26..ae687d2 100644
--- a/langserver/handle_text_document_formatting_test.go
+++ b/langserver/handle_text_document_formatting_test.go
@@ -20,6 +20,7 @@ func TestFormattingRequireRootMatcher(t *testing.T) {
 				{
 					LintCommand:        `echo ` + file + `:2:No it is normal!`,
 					LintIgnoreExitCode: true,
+					LintAfterOpen:      true,
 					LintStdin:          true,
 					RequireMarker:      true,
 					RootMarkers:        []string{".vimlintrc"},
diff --git a/langserver/handler.go b/langserver/handler.go
index 35a6374..1c861b5 100644
--- a/langserver/handler.go
+++ b/langserver/handler.go
@@ -76,6 +76,7 @@ type Language struct {
 	LintSource         string            `yaml:"lint-source" json:"lintSource"`
 	LintSeverity       int               `yaml:"lint-severity" json:"lintSeverity"`
 	LintWorkspace      bool              `yaml:"lint-workspace" json:"lintWorkspace"`
+	LintAfterOpen      bool              `yaml:"lint-after-open" json:"lintAfterOpen"`
 	LintOnSave         bool              `yaml:"lint-on-save" json:"lintOnSave"`
 	FormatCommand      string            `yaml:"format-command" json:"formatCommand"`
 	FormatCanRange     bool              `yaml:"format-can-range" json:"formatCanRange"`
@@ -374,9 +375,18 @@ func (h *langHandler) lint(ctx context.Context, uri DocumentURI, eventType event
 			if dir := matchRootPath(fname, cfg.RootMarkers); dir == "" && cfg.RequireMarker == true {
 				continue
 			}
-			// if LintOnSave is true, only lint when running on didSave
-			if cfg.LintOnSave && eventType != eventTypeSave {
-				continue
+			switch eventType {
+			case eventTypeOpen:
+				// if LintAfterOpen is not true, ignore didOpen
+				if !cfg.LintAfterOpen {
+					continue
+				}
+			case eventTypeChange:
+				// if LintOnSave is true, ignore didChange
+				if cfg.LintOnSave {
+					continue
+				}
+			default:
 			}
 			if cfg.LintCommand != "" {
 				configs = append(configs, cfg)
diff --git a/schema.json b/schema.json
index 0d3422b..d5c4aba 100644
--- a/schema.json
+++ b/schema.json
@@ -107,6 +107,11 @@
           "description": "offset value to skip lines",
           "type": "number"
         },
+        "lint-after-open": {
+          "default": true,
+          "description": "lint after open",
+          "type": "boolean"
+        },
         "lint-on-save": {
           "description": "only lint on save, i.e. don't lint on text changed",
           "type": "boolean"