Fix lint errors

denops/ddu/app.ts

@@ -1,5 +1,7 @@
-import { Denops, ensure, Entrypoint, is, Lock, toFileUrl } from "./deps.ts";
-import {
+import type { Denops, Entrypoint } from "./deps.ts";
+import { Lock } from "./deps.ts";
+import { ensure, is, toFileUrl } from "./deps.ts";
+import type {
   Action,
   ActionHistory,
   BaseActionParams,

denops/ddu/context.ts

@@ -1,5 +1,6 @@
-import { assertEquals, Denops, fn } from "./deps.ts";
-import {
+import type { Denops } from "./deps.ts";
+import { assertEquals, fn } from "./deps.ts";
+import type {
   ActionOptions,
   BaseActionParams,
   BaseColumnParams,

denops/ddu/ext.ts

@@ -1,5 +1,5 @@
 import type { Denops, Lock } from "./deps.ts";
-import { assertEquals, fn, is } from "./deps.ts";
+import { fn, is } from "./deps.ts";
 import type {
   Action,
   ActionName,
@@ -20,7 +20,6 @@ import type {
   DduItem,
   DduOptions,
   FilterOptions,
-  Item,
   ItemAction,
   KindOptions,
   PreviewContext,
@@ -32,7 +31,6 @@ import type {
   UserSource,
 } from "./types.ts";
 import {
-  defaultDduOptions,
   defaultDummy,
   foldMerge,
   mergeActionOptions,
@@ -49,7 +47,7 @@ import {
   mergeUiParams,
 } from "./context.ts";
 import { defaultUiOptions } from "./base/ui.ts";
-import { defaultSourceOptions, GatherArguments } from "./base/source.ts";
+import { defaultSourceOptions } from "./base/source.ts";
 import { defaultFilterOptions } from "./base/filter.ts";
 import { defaultColumnOptions } from "./base/column.ts";
 import { defaultKindOptions } from "./base/kind.ts";

denops/ddu/loader.ts

@@ -1,4 +1,4 @@
-import {
+import type {
   BaseColumn,
   BaseColumnParams,
   BaseFilter,
@@ -17,7 +17,9 @@ import {
   SourceName,
   UiName,
 } from "./types.ts";
-import { basename, Denops, fn, Lock, op, parse, toFileUrl } from "./deps.ts";
+import type { Denops } from "./deps.ts";
+import { Lock } from "./deps.ts";
+import { basename, fn, op, parse, toFileUrl } from "./deps.ts";
 import { mods } from "./_mods.js";
 
 type Mod = {

denops/ddu/state.ts

@@ -1,5 +1,5 @@
 import { is, maybe } from "./deps.ts";
-import {
+import type {
   BaseSource,
   BaseSourceParams,
   DduItem,

denops/ddu/types.ts

@@ -3,7 +3,7 @@ import type { BaseSourceParams } from "./base/source.ts";
 import type { BaseFilterParams } from "./base/filter.ts";
 import type { BaseKindParams } from "./base/kind.ts";
 import type { BaseColumnParams } from "./base/column.ts";
-import { Denops } from "./deps.ts";
+import type { Denops } from "./deps.ts";
 
 export { BaseConfig } from "./base/config.ts";
 export { BaseUi } from "./base/ui.ts";