fix: issues with language and content being empty

.helix/config.toml

@@ -0,0 +1,5 @@
+theme = "tokyonight_storm"
+
+[editor.cursor-shape]
+insert = "bar"
+

src/app.ts

@@ -15,7 +15,8 @@ const main = async () => {
         triggerCharacters: ["{", "(", ")", "=", ">", " ", ",", ":", ".", "<", "/"]
       },
       textDocumentSync: {
-        change: 2,
+        change: 1,
+        openClose: true
       }
     }
   })

src/completions.ts

@@ -14,7 +14,7 @@ const extractCodeBlock = (filepath: string, text: string, language: string): str
   }
 
   const result = blocks[0];
-  
+
   const lines = result.replace(`// FILEPATH: ${filepath.replace('file://', '')}\n`, '').split('\n');
   return lines.slice(1, lines.length - 1).join('\n') + "\n";
 }
@@ -199,6 +199,8 @@ export const chat = async (request: string, contents: string, filepath: string,
     throw new Error(`chat handler: ${config.handler} does not exist`)
   }
 
+  language = language ?? "unknown"
+
   try {
     log("running chat handler:", config.handler)
     return await chatHandlers[config.handler](request, contents, filepath, language)
@@ -214,6 +216,8 @@ export const completion = async (contents: any, language: string, suggestions =
     throw new Error(`completion handler: ${config.handler} does not exist`)
   }
 
+  language = language ?? "unknown"
+
   try {
     log("running completion handler:", config.handler)
     return uniqueStringArray(await handlers[config.handler](contents, language, suggestions))

src/lsp.ts

@@ -89,6 +89,7 @@ class Service {
       ctx.contents = request.params.textDocument.text
       ctx.language = request.params.textDocument.languageId
       ctx.contentVersion = 0
+      log("received didOpen", `language: ${ctx.language}`)
     })
 
     this.on(Event.Shutdown, () => {
@@ -97,12 +98,13 @@ class Service {
     })
 
     this.on(Event.DidChange, async ({ ctx, request }) => {
-      request.params.contentChanges.forEach((change) => {
-        this.positionalUpdate(change.text, change.range)
-      })
-
+      // request.params.contentChanges.forEach((change) => {
+      // this.positionalUpdate(change.text, change.range)
+      // })
+      this.contents = request.params.contentChanges[0].text
       ctx.currentUri = request.params.textDocument.uri
       ctx.contentVersion = request.params.textDocument.version
+      log("received didChange", `language: ${ctx.language}`, `contentVersion: ${ctx.contentVersion}`)
     })
   }
 
@@ -113,7 +115,7 @@ class Service {
   }
 
   positionalUpdate(text: string, range: Range) {
-    const lines = this.contents.split("\n")
+    const lines = this.contents?.split("\n")
     const start = range.start.line
     const end = range.end.line
     const startLine = lines[start]