feat: json linter support for codemirror

helpers/editor/linting/json.ts

@@ -0,0 +1,21 @@
+import { convertIndexToLineCh } from "../utils"
+import { LinterDefinition, LinterResult } from "./linter"
+import jsonParse from "~/helpers/jsonParse"
+
+const linter: LinterDefinition = (text) => {
+  try {
+    jsonParse(text)
+    return Promise.resolve([])
+  } catch (e: any) {
+    return Promise.resolve([
+      <LinterResult>{
+        from: convertIndexToLineCh(text, e.start),
+        to: convertIndexToLineCh(text, e.end),
+        message: e.message,
+        severity: "error",
+      },
+    ])
+  }
+}
+
+export default linter