justjavac
diff --git a/‎src/code_fixes/import_fixes.ts
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+58Lines changed: 58 additions & 0 deletions b/‎src/code_fixes/import_fixes.ts
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+58Lines changed: 58 additions & 0 deletions
diff --git a/‎src/code_fixes/index.ts
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+1Lines changed: 1 addition & 0 deletions b/‎src/code_fixes/index.ts
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diff --git a/‎src/codefix_provider.ts
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+22Lines changed: 22 additions & 0 deletions b/‎src/codefix_provider.ts
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+22Lines changed: 22 additions & 0 deletions
diff --git a/‎src/index.ts
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+34Lines changed: 34 additions & 0 deletions b/‎src/index.ts
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+34Lines changed: 34 additions & 0 deletions
@@ -0,0 +1,58 @@
+import { CodeFixAction } from "typescript/lib/tsserverlibrary";
+
+import { registerCodeFix } from "../codefix_provider";
+import { HashMeta } from "../module_resolver/hash_meta";
+
+export const importFixName = "import";
+// const importFixId = "fixMissingImport";
+
+const errorCodes: readonly number[] = [
+  2304, // Diagnostics.Cannot_find_name_0.code,
+  2552, // Diagnostics.Cannot_find_name_0_Did_you_mean_1.code,
+  2663, // Diagnostics.Cannot_find_name_0_Did_you_mean_the_instance_member_this_0.code,
+  2662, // Diagnostics.Cannot_find_name_0_Did_you_mean_the_static_member_1_0.code,
+  2503, // Diagnostics.Cannot_find_namespace_0.code,
+  2686, // Diagnostics._0_refers_to_a_UMD_global_but_the_current_file_is_a_module_Consider_adding_an_import_instead.code,
+  2693, // Diagnostics._0_only_refers_to_a_type_but_is_being_used_as_a_value_here.code,
+];
+
+function replaceCodeActions(codeFixActions: readonly CodeFixAction[]): void {
+  for (const codeAction of codeFixActions) {
+    if (codeAction.fixName !== importFixName) {
+      continue;
+    }
+
+    const matchs = codeAction.description.match(
+      /\.\..+deno\/deps\/https?\/.+\/\w{64}/,
+    );
+    if (matchs == null || matchs.length === 0) {
+      continue;
+    }
+
+    const originImport = matchs[0];
+    const meta = HashMeta.create(`${originImport}.metadata.json`);
+    if (meta == null) {
+      continue;
+    }
+
+    const newImport = meta.url.href;
+    codeAction.description = codeAction.description.replace(
+      originImport,
+      newImport,
+    );
+
+    for (const change of codeAction.changes) {
+      for (const textChange of change.textChanges) {
+        textChange.newText = textChange.newText.replace(
+          originImport,
+          newImport,
+        );
+      }
+    }
+  }
+}
+
+registerCodeFix({
+  errorCodes,
+  replaceCodeActions,
+});
@@ -0,0 +1 @@
+import "./import_fixes"
@@ -0,0 +1,22 @@
+import { CodeFixAction } from "typescript/lib/tsserverlibrary";
+
+export interface CodeFixRegistration {
+  errorCodes: readonly number[];
+  // fixIds: readonly string[],
+  replaceCodeActions: (codeFixActions: readonly CodeFixAction[]) => void;
+}
+
+export const errorCodeToFixes: Map<
+  number,
+  Pick<CodeFixRegistration, "replaceCodeActions">[]
+> = new Map();
+
+export function registerCodeFix(reg: CodeFixRegistration) {
+  for (const error of reg.errorCodes) {
+    if (errorCodeToFixes.has(error)) {
+      errorCodeToFixes.get(error)!.push(reg);
+    } else {
+      errorCodeToFixes.set(error, [reg]);
+    }
+  }
+}
@@ -7,6 +7,9 @@ import merge from "merge-deep";
 import ts_module, {
   ResolvedModuleFull,
   CompilerOptions,
+  UserPreferences,
+  FormatCodeSettings,
+  CodeFixAction,
 } from "typescript/lib/tsserverlibrary";
 import { parseFromString, resolve, ImportMaps } from "import-maps";
 
@@ -21,6 +24,8 @@ import {
 
 import { universalModuleResolver } from "./module_resolver/universal_module_resolver";
 import { HashMeta } from "./module_resolver/hash_meta";
+import { errorCodeToFixes } from "./codefix_provider";
+import './code_fixes'
 
 let logger: Logger;
 let pluginInfo: ts_module.server.PluginCreateInfo;
@@ -404,12 +409,41 @@ module.exports = function init(
         });
       }
 
+      // TODO(justjavac): maybe also `getCombinedCodeFix`
+      function getCodeFixesAtPosition(
+        fileName: string,
+        start: number,
+        end: number,
+        errorCodes: readonly number[],
+        formatOptions: FormatCodeSettings,
+        preferences: UserPreferences,
+      ): readonly CodeFixAction[] {
+        const codeFixActions = tsLs.getCodeFixesAtPosition(
+          fileName,
+          start,
+          end,
+          errorCodes,
+          formatOptions,
+          preferences,
+        );
+
+        for (const errorCode of errorCodes) {
+          const fixes = errorCodeToFixes.get(errorCode)!
+          for (const fix of fixes) {
+            fix.replaceCodeActions(codeFixActions);
+          }
+        }
+
+        return codeFixActions;
+      }
+
       const proxy: ts_module.LanguageService = Object.assign(
         Object.create(null),
         tsLs,
         {
           getCompletionEntryDetails,
           getSemanticDiagnostics,
+          getCodeFixesAtPosition,
         },
       );