diff --git a/general/src/composables/LICENSE.ts b/general/src/composables/LICENSE.ts
index 6165a18..9c0e6a0 100644
--- a/general/src/composables/LICENSE.ts
+++ b/general/src/composables/LICENSE.ts
@@ -3,7 +3,7 @@ import * as Path from 'path';
 
 import {composable, handlebars} from '@magicspace/core';
 
-import type {ResolvedOptions} from '../library';
+import type {ResolvedOptions} from '../library/index.js';
 
 import {LICENSE_TEMPLATES_DIR} from './@constants';
 
diff --git a/general/src/composables/README.md.ts b/general/src/composables/README.md.ts
index 475f0d2..e656235 100644
--- a/general/src/composables/README.md.ts
+++ b/general/src/composables/README.md.ts
@@ -2,7 +2,11 @@ import * as Path from 'path';
 
 import {composable, handlebars} from '@magicspace/core';
 
-import type {BadgesOptions, LicenseName, ResolvedOptions} from '../library';
+import type {
+  BadgesOptions,
+  LicenseName,
+  ResolvedOptions,
+} from '../library/index.js';
 
 import {TEMPLATES_DIR} from './@constants';
 
diff --git a/general/src/composables/ci.yaml.ts b/general/src/composables/ci.yaml.ts
index 2deba82..d0629a9 100644
--- a/general/src/composables/ci.yaml.ts
+++ b/general/src/composables/ci.yaml.ts
@@ -1,6 +1,6 @@
 import {composable, yaml} from '@magicspace/core';
 
-import type {ResolvedOptions} from '../library';
+import type {ResolvedOptions} from '../library/index.js';
 
 export default composable<ResolvedOptions>(
   ({defaultBranch, packageManager}) => {
diff --git a/general/src/composables/gitignore.ts b/general/src/composables/gitignore.ts
index 56de48e..bea3236 100644
--- a/general/src/composables/gitignore.ts
+++ b/general/src/composables/gitignore.ts
@@ -1,7 +1,7 @@
 import type {Composable, TextFile} from '@magicspace/core';
 import {composable, text} from '@magicspace/core';
 
-import type {ResolvedOptions} from '../library';
+import type {ResolvedOptions} from '../library/index.js';
 
 const PACKAGE_MANAGER_IGNORE_ENTRIES_DICT = {
   pnpm: undefined,
diff --git a/general/src/composables/package.json.ts b/general/src/composables/package.json.ts
index 8eb1caa..7644d97 100644
--- a/general/src/composables/package.json.ts
+++ b/general/src/composables/package.json.ts
@@ -3,9 +3,10 @@ import * as Path from 'path';
 import type {JSONFileOptions} from '@magicspace/core';
 import {composable, json} from '@magicspace/core';
 import {fetchPackageVersions} from '@magicspace/utils';
-import _ from 'lodash';
 
-import type {ResolvedOptions} from '../library';
+import type {ResolvedOptions} from '../library/index.js';
+
+const hasOwnProperty = Object.prototype.hasOwnProperty;
 
 const JSON_OPTIONS: JSONFileOptions = {
   /** @link https://docs.npmjs.com/files/package.json */
@@ -128,7 +129,7 @@ export default composable<ResolvedOptions>(
     };
 
     for (const {name, alias} of packagesSortedByName) {
-      if (alias !== undefined && !scripts.hasOwnProperty(alias)) {
+      if (alias !== undefined && !hasOwnProperty.call(scripts, alias)) {
         scripts[alias] = WORKSPACE_ALIAS_DICT[packageManager](name);
       }
     }
@@ -157,6 +158,7 @@ export default composable<ResolvedOptions>(
       ...packages.map(packageOptions =>
         json(
           Path.join(packageOptions.resolvedDir, 'package.json'),
+          // eslint-disable-next-line @typescript-eslint/no-explicit-any
           (data: any) => {
             return {
               ...data,
diff --git a/general/src/composables/pnpm-workspace.yaml.ts b/general/src/composables/pnpm-workspace.yaml.ts
index a2745de..fd6f302 100644
--- a/general/src/composables/pnpm-workspace.yaml.ts
+++ b/general/src/composables/pnpm-workspace.yaml.ts
@@ -1,6 +1,6 @@
 import {composable, yaml} from '@magicspace/core';
 
-import type {ResolvedOptions} from '../library';
+import type {ResolvedOptions} from '../library/index.js';
 
 export default composable<ResolvedOptions>(
   ({packageManager, packagesDir, packages}) => {
diff --git a/general/src/composables/prettierignore.ts b/general/src/composables/prettierignore.ts
index d01fbba..a6eb0e8 100644
--- a/general/src/composables/prettierignore.ts
+++ b/general/src/composables/prettierignore.ts
@@ -1,6 +1,6 @@
 import {composable, text} from '@magicspace/core';
 
-import type {ResolvedOptions} from '../library';
+import type {ResolvedOptions} from '../library/index.js';
 
 const PACKAGE_MANAGER_IGNORE_ENTRIES_DICT = {
   pnpm: ['pnpm-lock.yaml'],
diff --git a/general/src/composables/prettierrc.ts b/general/src/composables/prettierrc.ts
index 85328da..75d2823 100644
--- a/general/src/composables/prettierrc.ts
+++ b/general/src/composables/prettierrc.ts
@@ -1,6 +1,6 @@
 import {composable, json} from '@magicspace/core';
 
-import type {PrettierOptions, ResolvedOptions} from '../library';
+import type {PrettierOptions, ResolvedOptions} from '../library/index.js';
 
 const DEFAULT_PRETTIER_OPTIONS: PrettierOptions = {
   printWidth: 80,
diff --git a/general/src/library/index.ts b/general/src/library/index.ts
index 5572d69..b4e4e0d 100644
--- a/general/src/library/index.ts
+++ b/general/src/library/index.ts
@@ -1,3 +1,3 @@
 export {default} from './boilerplate';
-export * from './boilerplate';
-export * from './examples';
+export * from './boilerplate.js';
+export * from './examples.js';
diff --git a/typescript/src/composables/entrances.ts.ts b/typescript/src/composables/entrances.ts.ts
index 2332f4f..a83c624 100644
--- a/typescript/src/composables/entrances.ts.ts
+++ b/typescript/src/composables/entrances.ts.ts
@@ -2,7 +2,7 @@ import * as Path from 'path';
 
 import {composable, handlebars} from '@magicspace/core';
 
-import type {ResolvedOptions} from '../library';
+import type {ResolvedOptions} from '../library/index.js';
 
 import {TEMPLATES_DIR} from './@constants';
 
diff --git a/typescript/src/composables/eslintrc.ts b/typescript/src/composables/eslintrc.ts
index 2862d6e..ebea98e 100644
--- a/typescript/src/composables/eslintrc.ts
+++ b/typescript/src/composables/eslintrc.ts
@@ -1,12 +1,12 @@
 import * as Path from 'path';
 
 import {composable, json} from '@magicspace/core';
-import _ from 'lodash';
 
-import type {ResolvedOptions} from '../library';
+import type {ResolvedOptions} from '../library/index.js';
 
 export default composable<ResolvedOptions>(({resolvedProjects: projects}) => {
   return [
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
     json('.eslintrc.json', (data: any) => {
       return {
         ...data,
@@ -22,6 +22,7 @@ export default composable<ResolvedOptions>(({resolvedProjects: projects}) => {
       };
     }),
     ...projects.map(project =>
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
       json(Path.join(project.inDir, '.eslintrc.json'), (data: any) => {
         return {
           ...data,
diff --git a/typescript/src/composables/gitignore.ts b/typescript/src/composables/gitignore.ts
index 6ad53ba..606753f 100644
--- a/typescript/src/composables/gitignore.ts
+++ b/typescript/src/composables/gitignore.ts
@@ -1,6 +1,6 @@
 import {composable, text} from '@magicspace/core';
 
-import type {ResolvedOptions} from '../library';
+import type {ResolvedOptions} from '../library/index.js';
 
 export default composable<ResolvedOptions>(({bldDirNames}) =>
   bldDirNames.length > 0
diff --git a/typescript/src/composables/index.ts.ts b/typescript/src/composables/index.ts.ts
index 7b37996..c31beb0 100644
--- a/typescript/src/composables/index.ts.ts
+++ b/typescript/src/composables/index.ts.ts
@@ -3,7 +3,7 @@ import * as Path from 'path';
 import {composable, handlebars} from '@magicspace/core';
 import _ from 'lodash';
 
-import type {ResolvedOptions} from '../library';
+import type {ResolvedOptions} from '../library/index.js';
 
 import {TEMPLATES_DIR} from './@constants';
 
diff --git a/typescript/src/composables/npmignore.ts b/typescript/src/composables/npmignore.ts
index 8154b56..ee4de98 100644
--- a/typescript/src/composables/npmignore.ts
+++ b/typescript/src/composables/npmignore.ts
@@ -3,7 +3,7 @@ import * as Path from 'path';
 import {composable, text} from '@magicspace/core';
 import _ from 'lodash';
 
-import type {ResolvedOptions} from '../library';
+import type {ResolvedOptions} from '../library/index.js';
 
 export default composable<ResolvedOptions>(
   async ({resolvedProjects: projects}) => {
diff --git a/typescript/src/composables/package.json.ts b/typescript/src/composables/package.json.ts
index cf98f23..c8ba2aa 100644
--- a/typescript/src/composables/package.json.ts
+++ b/typescript/src/composables/package.json.ts
@@ -8,12 +8,12 @@ import {
 } from '@magicspace/utils';
 import _ from 'lodash';
 
-import type {ResolvedPackageOptions} from '../../../general/bld/library';
 import type {
+  ResolvedPackageOptions,
   PackageExports,
   ResolvedOptions,
   ResolvedTypeScriptProjectOptions,
-} from '../library';
+} from '../library/index.js';
 
 const ROOT_DEV_DEPENDENCY_DICT = {
   rimraf: '5',
@@ -58,6 +58,7 @@ export default composable<ResolvedOptions>(
     ]);
 
     return [
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
       json('package.json', (data: any) => {
         let {scripts = {}} = data;
 
@@ -70,7 +71,7 @@ export default composable<ResolvedOptions>(
 
           if (rimrafPattern) {
             rimrafScript = `rimraf ${
-              /[\*{]/.test(rimrafPattern) ? '--glob ' : ''
+              /[*{]/.test(rimrafPattern) ? '--glob ' : ''
             }${rimrafPattern}`;
           }
         }
@@ -114,6 +115,7 @@ export default composable<ResolvedOptions>(
         };
       }),
       ...packagesWithTypeScriptProject.map(packageOptions =>
+        // eslint-disable-next-line @typescript-eslint/no-explicit-any
         json(packageOptions.packageJSONPath, (data: any) => {
           const referencedPackageNames = _.compact(
             _.union(
diff --git a/typescript/src/composables/prettierignore.ts b/typescript/src/composables/prettierignore.ts
index ad06861..b097208 100644
--- a/typescript/src/composables/prettierignore.ts
+++ b/typescript/src/composables/prettierignore.ts
@@ -1,6 +1,6 @@
 import {composable, text} from '@magicspace/core';
 
-import type {ResolvedOptions} from '../library';
+import type {ResolvedOptions} from '../library/index.js';
 
 export default composable<ResolvedOptions>(({bldDirNames}) =>
   bldDirNames.length > 0
diff --git a/typescript/src/composables/tsconfig.json.ts b/typescript/src/composables/tsconfig.json.ts
index 957d9a2..dfd2df0 100644
--- a/typescript/src/composables/tsconfig.json.ts
+++ b/typescript/src/composables/tsconfig.json.ts
@@ -4,7 +4,7 @@ import type {JSONFileOptions} from '@magicspace/core';
 import {composable, json} from '@magicspace/core';
 import _ from 'lodash';
 
-import type {ResolvedOptions} from '../library';
+import type {ResolvedOptions} from '../library/index.js';
 
 const JSON_OPTIONS: JSONFileOptions = {
   sortKeys: [
diff --git a/typescript/src/composables/vscode-settings.json.ts b/typescript/src/composables/vscode-settings.json.ts
index 059c6fd..8db65aa 100644
--- a/typescript/src/composables/vscode-settings.json.ts
+++ b/typescript/src/composables/vscode-settings.json.ts
@@ -1,10 +1,11 @@
 import {composable, json} from '@magicspace/core';
 import {extendObjectProperties} from '@magicspace/utils';
 
-import type {ResolvedOptions} from '../library';
+import type {ResolvedOptions} from '../library/index.js';
 
 export default composable<ResolvedOptions>(
   async ({resolvedProjects: projects}) => {
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
     return json('.vscode/settings.json', (data: any) => {
       data = extendObjectProperties(
         data,
diff --git a/typescript/src/library/boilerplate.ts b/typescript/src/library/@boilerplate.ts
similarity index 86%
rename from typescript/src/library/boilerplate.ts
rename to typescript/src/library/@boilerplate.ts
index 34c8ce6..0c3385e 100644
--- a/typescript/src/library/boilerplate.ts
+++ b/typescript/src/library/@boilerplate.ts
@@ -2,7 +2,7 @@ import * as Path from 'path';
 
 import {boilerplate, composables} from '@magicspace/core';
 
-import general from '../../../general/bld/library';
+import general from '../../../general/bld/library/index.js';
 
 import type {Options} from './options';
 import {resolveOptions} from './options';
diff --git a/typescript/src/library/index.ts b/typescript/src/library/index.ts
index b6689c7..e562c94 100644
--- a/typescript/src/library/index.ts
+++ b/typescript/src/library/index.ts
@@ -1,5 +1,4 @@
-export {default} from './boilerplate';
+export {default} from './@boilerplate.js';
 
-export * from './options';
-export * from './boilerplate';
-export * from './examples';
+export * from './examples.js';
+export * from './options.js';
diff --git a/typescript/src/library/options.ts b/typescript/src/library/options.ts
index 8eb8f23..29d401a 100644
--- a/typescript/src/library/options.ts
+++ b/typescript/src/library/options.ts
@@ -7,12 +7,12 @@ import type {OmitValueOfKey} from 'tslang';
 import type {
   ResolvedOptions as ResolvedGeneralOptions,
   ResolvedPackageOptions as ResolvedGeneralPackageOptions,
-} from '../../../general/bld/library';
+} from '../../../general/bld/library/index.js';
 import {
   Options as GeneralOptions,
   PackageOptions as GeneralPackageOptions,
   resolveOptions as resolveGeneralOptions,
-} from '../../../general/bld/library';
+} from '../../../general/bld/library/index.js';
 
 export const TypeScriptProjectReferenceOptions = x.object({
   package: x.string,