diff --git a/package.json b/package.json
index df16965..77b663f 100644
--- a/package.json
+++ b/package.json
@@ -13,15 +13,6 @@
   },
   "license": "MIT",
   "type": "module",
-  "imports": {
-    "#tests/*": {
-      "development": "./tests/*.ts"
-    },
-    "#*": {
-      "development": "./src/*.ts",
-      "default": "./dist/*.js"
-    }
-  },
   "exports": {
     ".": {
       "types": "./dist/index.d.ts",
@@ -44,7 +35,7 @@
     "README.md"
   ],
   "scripts": {
-    "build": "svelte-package --input ./src --types",
+    "build": "svelte-package --types",
     "build-storybook": "storybook build",
     "check": "svelte-check",
     "chromatic": "chromatic --exit-zero-on-changes",
@@ -54,7 +45,7 @@
     "lint": "eslint --cache --cache-location=.cache/eslint --ext .js,.json,.html,.svelte,.ts --report-unused-disable-directives",
     "prepublish": "pnpm run clean && pnpm run build",
     "release": "pnpm run build && auto shipit",
-    "start": "concurrently \"pnpm run storybook --quiet\" \"pnpm run build --watch\"",
+    "start": "pnpm run build && concurrently \"pnpm run build --watch\" \"pnpm run storybook --quiet\"",
     "storybook": "storybook dev --port 6006 --no-open",
     "test": "vitest run",
     "test:watch": "vitest watch"
diff --git a/src/compiler/plugins.ts b/src/compiler/plugins.ts
index 503dd69..5215300 100644
--- a/src/compiler/plugins.ts
+++ b/src/compiler/plugins.ts
@@ -14,11 +14,11 @@ import MagicString from 'magic-string';
 import { preprocess } from 'svelte/compiler';
 import type { Plugin } from 'vite';
 
-import { codemodLegacyNodes } from '#compiler/pre-transform/index';
-import { transformStoriesCode } from '#compiler/post-transform/index';
-import { getSvelteAST } from '#parser/ast';
-import { extractCompiledASTNodes } from '#parser/extract/compiled/nodes';
-import { extractSvelteASTNodes } from '#parser/extract/svelte/nodes';
+import { codemodLegacyNodes } from '$lib/compiler/pre-transform/index.js';
+import { transformStoriesCode } from '$lib/compiler/post-transform/index.js';
+import { getSvelteAST } from '$lib/parser/ast.js';
+import { extractCompiledASTNodes } from '$lib/parser/extract/compiled/nodes.js';
+import { extractSvelteASTNodes } from '$lib/parser/extract/svelte/nodes.js';
 
 export async function preTransformPlugin(): Promise<Plugin> {
   const [{ createFilter }, { print }] = await Promise.all([
diff --git a/src/compiler/post-transform/appendix/create-export-default.test.ts b/src/compiler/post-transform/appendix/create-export-default.test.ts
index cd1531c..b9dcbbe 100644
--- a/src/compiler/post-transform/appendix/create-export-default.test.ts
+++ b/src/compiler/post-transform/appendix/create-export-default.test.ts
@@ -1,9 +1,9 @@
 import { print } from 'esrap';
 import { describe, it } from 'vitest';
 
-import { createExportDefaultMeta } from './create-export-default';
+import { createExportDefaultMeta } from './create-export-default.js';
 
-import type { ESTreeAST } from '#parser/ast';
+import type { ESTreeAST } from '$lib/parser/ast.js';
 
 describe(createExportDefaultMeta.name, () => {
   it('creates a new export default correctly', ({ expect }) => {
diff --git a/src/compiler/post-transform/appendix/create-export-default.ts b/src/compiler/post-transform/appendix/create-export-default.ts
index c01de2b..b3c5e03 100644
--- a/src/compiler/post-transform/appendix/create-export-default.ts
+++ b/src/compiler/post-transform/appendix/create-export-default.ts
@@ -1,5 +1,5 @@
-import type { getMetaIdentifier } from '#parser/analyse/define-meta/meta-identifier';
-import type { ESTreeAST } from '#parser/ast';
+import type { getMetaIdentifier } from '$lib/parser/analyse/define-meta/meta-identifier.js';
+import type { ESTreeAST } from '$lib/parser/ast.js';
 
 interface Params {
   metaIdentifier: ReturnType<typeof getMetaIdentifier>;
diff --git a/src/compiler/post-transform/appendix/create-export-order.test.ts b/src/compiler/post-transform/appendix/create-export-order.test.ts
index de84531..c8b2a10 100644
--- a/src/compiler/post-transform/appendix/create-export-order.test.ts
+++ b/src/compiler/post-transform/appendix/create-export-order.test.ts
@@ -1,7 +1,7 @@
 import { print } from 'esrap';
 import { describe, it } from 'vitest';
 
-import { createExportOrderVariable } from './create-export-order';
+import { createExportOrderVariable } from './create-export-order.js';
 
 describe(createExportOrderVariable.name, () => {
   it('correctly creates a variable with named exports order', ({ expect }) => {
diff --git a/src/compiler/post-transform/appendix/create-export-order.ts b/src/compiler/post-transform/appendix/create-export-order.ts
index 3351311..52a8f5f 100644
--- a/src/compiler/post-transform/appendix/create-export-order.ts
+++ b/src/compiler/post-transform/appendix/create-export-order.ts
@@ -1,5 +1,5 @@
-import type { getStoriesIdentifiers } from '#parser/analyse/story/attributes/identifiers';
-import type { ESTreeAST } from '#parser/ast';
+import type { getStoriesIdentifiers } from '$lib/parser/analyse/story/attributes/identifiers.js';
+import type { ESTreeAST } from '$lib/parser/ast.js';
 
 interface Params {
   storyIdentifiers: ReturnType<typeof getStoriesIdentifiers>;
diff --git a/src/compiler/post-transform/appendix/create-import.test.ts b/src/compiler/post-transform/appendix/create-import.test.ts
index b22fbbe..eb0dea7 100644
--- a/src/compiler/post-transform/appendix/create-import.test.ts
+++ b/src/compiler/post-transform/appendix/create-import.test.ts
@@ -1,7 +1,7 @@
 import { print } from 'esrap';
 import { describe, it } from 'vitest';
 
-import { createRuntimeStoriesImport } from './create-import';
+import { createRuntimeStoriesImport } from './create-import.js';
 
 describe(createRuntimeStoriesImport.name, () => {
   it('creates import correctly', ({ expect }) => {
diff --git a/src/compiler/post-transform/appendix/create-import.ts b/src/compiler/post-transform/appendix/create-import.ts
index 736fb1b..9bfaa1c 100644
--- a/src/compiler/post-transform/appendix/create-import.ts
+++ b/src/compiler/post-transform/appendix/create-import.ts
@@ -1,6 +1,6 @@
 import pkg from '@storybook/addon-svelte-csf/package.json' with { type: 'json' };
 
-import type { ESTreeAST } from '#parser/ast';
+import type { ESTreeAST } from '$lib/parser/ast.js';
 
 /**
  * The export is defined in the `package.json` export map
diff --git a/src/compiler/post-transform/appendix/create-named-export-story.test.ts b/src/compiler/post-transform/appendix/create-named-export-story.test.ts
index e50cc4b..0210c19 100644
--- a/src/compiler/post-transform/appendix/create-named-export-story.test.ts
+++ b/src/compiler/post-transform/appendix/create-named-export-story.test.ts
@@ -1,10 +1,10 @@
 import { print } from 'esrap';
 import { describe, it } from 'vitest';
 
-import { createNamedExportStory } from './create-named-export-story';
-import { createVariableFromRuntimeStoriesCall } from './create-variable-from-runtime-stories-call';
+import { createNamedExportStory } from './create-named-export-story.js';
+import { createVariableFromRuntimeStoriesCall } from './create-variable-from-runtime-stories-call.js';
 
-import type { ESTreeAST } from '#parser/ast';
+import type { ESTreeAST } from '$lib/parser/ast.js';
 
 describe(createNamedExportStory.name, () => {
   it('correctly creates a variable with named exports order', ({ expect }) => {
diff --git a/src/compiler/post-transform/appendix/create-named-export-story.ts b/src/compiler/post-transform/appendix/create-named-export-story.ts
index 1f79458..a63db50 100644
--- a/src/compiler/post-transform/appendix/create-named-export-story.ts
+++ b/src/compiler/post-transform/appendix/create-named-export-story.ts
@@ -1,6 +1,6 @@
-import type { createVariableFromRuntimeStoriesCall } from './create-variable-from-runtime-stories-call';
+import type { createVariableFromRuntimeStoriesCall } from './create-variable-from-runtime-stories-call.js';
 
-import type { ESTreeAST } from '#parser/ast';
+import type { ESTreeAST } from '$lib/parser/ast.js';
 
 interface Params {
   exportName: string;
diff --git a/src/compiler/post-transform/appendix/create-variable-from-runtime-stories-call.test.ts b/src/compiler/post-transform/appendix/create-variable-from-runtime-stories-call.test.ts
index fc70bea..38ad707 100644
--- a/src/compiler/post-transform/appendix/create-variable-from-runtime-stories-call.test.ts
+++ b/src/compiler/post-transform/appendix/create-variable-from-runtime-stories-call.test.ts
@@ -1,7 +1,7 @@
 import { print } from 'esrap';
 import { describe, it } from 'vitest';
 
-import { createVariableFromRuntimeStoriesCall } from './create-variable-from-runtime-stories-call';
+import { createVariableFromRuntimeStoriesCall } from './create-variable-from-runtime-stories-call.js';
 
 describe(createVariableFromRuntimeStoriesCall.name, () => {
   it('creates a variable correctly', ({ expect }) => {
diff --git a/src/compiler/post-transform/appendix/create-variable-from-runtime-stories-call.ts b/src/compiler/post-transform/appendix/create-variable-from-runtime-stories-call.ts
index 386518e..a9d1de2 100644
--- a/src/compiler/post-transform/appendix/create-variable-from-runtime-stories-call.ts
+++ b/src/compiler/post-transform/appendix/create-variable-from-runtime-stories-call.ts
@@ -1,5 +1,5 @@
-import type { getMetaIdentifier } from '#parser/analyse/define-meta/meta-identifier';
-import type { ESTreeAST } from '#parser/ast';
+import type { getMetaIdentifier } from '$lib/parser/analyse/define-meta/meta-identifier.js';
+import type { ESTreeAST } from '$lib/parser/ast.js';
 
 interface Params {
   storiesFunctionDeclaration: ESTreeAST.FunctionDeclaration;
diff --git a/src/compiler/post-transform/create-appendix.ts b/src/compiler/post-transform/create-appendix.ts
index ad5f0f4..d49de35 100644
--- a/src/compiler/post-transform/create-appendix.ts
+++ b/src/compiler/post-transform/create-appendix.ts
@@ -1,16 +1,16 @@
 import { print } from 'esrap';
 import MagicString from 'magic-string';
 
-import { createExportDefaultMeta } from './appendix/create-export-default';
-import { createExportOrderVariable } from './appendix/create-export-order';
-import { createRuntimeStoriesImport } from './appendix/create-import';
-import { createVariableFromRuntimeStoriesCall } from './appendix/create-variable-from-runtime-stories-call';
-import { createNamedExportStory } from './appendix/create-named-export-story';
+import { createExportDefaultMeta } from './appendix/create-export-default.js';
+import { createExportOrderVariable } from './appendix/create-export-order.js';
+import { createRuntimeStoriesImport } from './appendix/create-import.js';
+import { createVariableFromRuntimeStoriesCall } from './appendix/create-variable-from-runtime-stories-call.js';
+import { createNamedExportStory } from './appendix/create-named-export-story.js';
 
-import { getMetaIdentifier } from '#parser/analyse/define-meta/meta-identifier';
-import type { CompiledASTNodes } from '#parser/extract/compiled/nodes';
-import type { SvelteASTNodes } from '#parser/extract/svelte/nodes';
-import { getStoriesIdentifiers } from '#parser/analyse/story/attributes/identifiers';
+import { getMetaIdentifier } from '$lib/parser/analyse/define-meta/meta-identifier.js';
+import type { CompiledASTNodes } from '$lib/parser/extract/compiled/nodes.js';
+import type { SvelteASTNodes } from '$lib/parser/extract/svelte/nodes.js';
+import { getStoriesIdentifiers } from '$lib/parser/analyse/story/attributes/identifiers.js';
 
 interface Params {
   code: MagicString;
diff --git a/src/compiler/post-transform/define-meta/destructure-meta.ts b/src/compiler/post-transform/define-meta/destructure-meta.ts
index 7fdd0e5..82d8341 100644
--- a/src/compiler/post-transform/define-meta/destructure-meta.ts
+++ b/src/compiler/post-transform/define-meta/destructure-meta.ts
@@ -1,5 +1,5 @@
-import type { CompiledASTNodes } from '#parser/extract/compiled/nodes';
-import { NoDestructuredDefineMetaCallError } from '#utils/error/parser/analyse/define-meta';
+import type { CompiledASTNodes } from '$lib/parser/extract/compiled/nodes.js';
+import { NoDestructuredDefineMetaCallError } from '$lib/utils/error/parser/analyse/define-meta.js';
 
 interface Params {
   nodes: CompiledASTNodes;
diff --git a/src/compiler/post-transform/define-meta/index.test.ts b/src/compiler/post-transform/define-meta/index.test.ts
index 57b15a4..db4ad25 100644
--- a/src/compiler/post-transform/define-meta/index.test.ts
+++ b/src/compiler/post-transform/define-meta/index.test.ts
@@ -9,9 +9,9 @@ import { describe, it } from 'vitest';
 
 import { transformDefineMeta } from '.';
 
-import { getSvelteAST } from '#parser/ast';
-import { extractSvelteASTNodes } from '#parser/extract/svelte/nodes';
-import { extractCompiledASTNodes } from '#parser/extract/compiled/nodes';
+import { getSvelteAST } from '$lib/parser/ast.js';
+import { extractSvelteASTNodes } from '$lib/parser/extract/svelte/nodes.js';
+import { extractCompiledASTNodes } from '$lib/parser/extract/compiled/nodes.js';
 
 const __dirname = path.dirname(url.fileURLToPath(import.meta.url));
 
diff --git a/src/compiler/post-transform/define-meta/index.ts b/src/compiler/post-transform/define-meta/index.ts
index bc20527..c88f61a 100644
--- a/src/compiler/post-transform/define-meta/index.ts
+++ b/src/compiler/post-transform/define-meta/index.ts
@@ -1,11 +1,11 @@
 import { print } from 'esrap';
 import type MagicString from 'magic-string';
 
-import { destructureMetaFromDefineMeta } from './destructure-meta';
-import { insertDefineMetaJSDocCommentAsDescription } from './insert-description';
+import { destructureMetaFromDefineMeta } from './destructure-meta.js';
+import { insertDefineMetaJSDocCommentAsDescription } from './insert-description.js';
 
-import type { CompiledASTNodes } from '#parser/extract/compiled/nodes';
-import type { SvelteASTNodes } from '#parser/extract/svelte/nodes';
+import type { CompiledASTNodes } from '$lib/parser/extract/compiled/nodes.js';
+import type { SvelteASTNodes } from '$lib/parser/extract/svelte/nodes.js';
 
 interface Params {
   code: MagicString;
diff --git a/src/compiler/post-transform/define-meta/insert-description.ts b/src/compiler/post-transform/define-meta/insert-description.ts
index 085e7f1..fc2a22c 100644
--- a/src/compiler/post-transform/define-meta/insert-description.ts
+++ b/src/compiler/post-transform/define-meta/insert-description.ts
@@ -8,11 +8,11 @@ import {
   getDescriptionPropertyValue,
   getDocsPropertyValue,
   getParametersPropertyValue,
-} from '#compiler/post-transform/shared/description';
-import { createASTObjectExpression, createASTProperty, type ESTreeAST } from '#parser/ast';
-import type { SvelteASTNodes } from '#parser/extract/svelte/nodes';
-import type { CompiledASTNodes } from '#parser/extract/compiled/nodes';
-import { getDefineMetaFirstArgumentObjectExpression } from '#parser/extract/svelte/define-meta';
+} from '$lib/compiler/post-transform/shared/description.js';
+import { createASTObjectExpression, createASTProperty, type ESTreeAST } from '$lib/parser/ast.js';
+import type { SvelteASTNodes } from '$lib/parser/extract/svelte/nodes.js';
+import type { CompiledASTNodes } from '$lib/parser/extract/compiled/nodes.js';
+import { getDefineMetaFirstArgumentObjectExpression } from '$lib/parser/extract/svelte/define-meta.js';
 
 interface Params {
   nodes: {
diff --git a/src/compiler/post-transform/index.test.ts b/src/compiler/post-transform/index.test.ts
index 1d00c26..1d8eb9f 100644
--- a/src/compiler/post-transform/index.test.ts
+++ b/src/compiler/post-transform/index.test.ts
@@ -8,9 +8,9 @@ import { describe, it } from 'vitest';
 
 import { transformStoriesCode } from '.';
 
-import { getSvelteAST } from '#parser/ast';
-import { extractSvelteASTNodes } from '#parser/extract/svelte/nodes';
-import { extractCompiledASTNodes } from '#parser/extract/compiled/nodes';
+import { getSvelteAST } from '$lib/parser/ast.js';
+import { extractSvelteASTNodes } from '$lib/parser/extract/svelte/nodes.js';
+import { extractCompiledASTNodes } from '$lib/parser/extract/compiled/nodes.js';
 
 const __dirname = path.dirname(url.fileURLToPath(import.meta.url));
 
diff --git a/src/compiler/post-transform/index.ts b/src/compiler/post-transform/index.ts
index d19a796..bdcee4f 100644
--- a/src/compiler/post-transform/index.ts
+++ b/src/compiler/post-transform/index.ts
@@ -1,13 +1,13 @@
 import type MagicString from 'magic-string';
 
-import { transformStory } from './story';
-import { transformDefineMeta } from './define-meta';
-import { removeExportDefault } from './remove-export-default';
-import { createAppendix } from './create-appendix';
+import { transformStory } from './story/index.js';
+import { transformDefineMeta } from './define-meta/index.js';
+import { removeExportDefault } from './remove-export-default.js';
+import { createAppendix } from './create-appendix.js';
 
-import type { CompiledASTNodes } from '#parser/extract/compiled/nodes';
-import { extractStoriesNodesFromExportDefaultFn } from '#parser/extract/compiled/stories';
-import type { SvelteASTNodes } from '#parser/extract/svelte/nodes';
+import type { CompiledASTNodes } from '$lib/parser/extract/compiled/nodes.js';
+import { extractStoriesNodesFromExportDefaultFn } from '$lib/parser/extract/compiled/stories.js';
+import type { SvelteASTNodes } from '$lib/parser/extract/svelte/nodes.js';
 
 interface Params {
   code: MagicString;
diff --git a/src/compiler/post-transform/remove-export-default.test.ts b/src/compiler/post-transform/remove-export-default.test.ts
index 78fd6b8..f35b85b 100644
--- a/src/compiler/post-transform/remove-export-default.test.ts
+++ b/src/compiler/post-transform/remove-export-default.test.ts
@@ -6,10 +6,10 @@ import MagicString from 'magic-string';
 import { parseAst } from 'rollup/parseAst';
 import { describe, it } from 'vitest';
 
-import { removeExportDefault } from './remove-export-default';
+import { removeExportDefault } from './remove-export-default.js';
 
-import { extractCompiledASTNodes } from '#parser/extract/compiled/nodes';
-import { StorybookSvelteCSFError } from '#utils/error';
+import { extractCompiledASTNodes } from '$lib/parser/extract/compiled/nodes.js';
+import { StorybookSvelteCSFError } from '$lib/utils/error.js';
 
 const __dirname = path.dirname(url.fileURLToPath(import.meta.url));
 
diff --git a/src/compiler/post-transform/remove-export-default.ts b/src/compiler/post-transform/remove-export-default.ts
index 2eae373..30a50a7 100644
--- a/src/compiler/post-transform/remove-export-default.ts
+++ b/src/compiler/post-transform/remove-export-default.ts
@@ -1,7 +1,7 @@
 import { print } from 'esrap';
 import type MagicString from 'magic-string';
 
-import type { CompiledASTNodes } from '#parser/extract/compiled/nodes';
+import type { CompiledASTNodes } from '$lib/parser/extract/compiled/nodes.js';
 
 interface Params {
   code: MagicString;
diff --git a/src/compiler/post-transform/shared/description.ts b/src/compiler/post-transform/shared/description.ts
index dce4ab8..7040a8b 100644
--- a/src/compiler/post-transform/shared/description.ts
+++ b/src/compiler/post-transform/shared/description.ts
@@ -1,9 +1,9 @@
 import { logger } from '@storybook/node-logger';
 import dedent from 'dedent';
 
-import type { ESTreeAST, SvelteAST } from '#parser/ast';
+import type { ESTreeAST, SvelteAST } from '$lib/parser/ast.js';
 
-import { createASTObjectExpression } from '#parser/ast';
+import { createASTObjectExpression } from '$lib/parser/ast.js';
 
 interface FindPropertyOptions {
   name: string;
diff --git a/src/compiler/post-transform/story/index.test.ts b/src/compiler/post-transform/story/index.test.ts
index b279e4f..d789418 100644
--- a/src/compiler/post-transform/story/index.test.ts
+++ b/src/compiler/post-transform/story/index.test.ts
@@ -9,10 +9,10 @@ import { describe, it } from 'vitest';
 
 import { transformStory } from '.';
 
-import { getSvelteAST } from '#parser/ast';
-import { extractSvelteASTNodes } from '#parser/extract/svelte/nodes';
-import { extractCompiledASTNodes } from '#parser/extract/compiled/nodes';
-import { extractStoriesNodesFromExportDefaultFn } from '#parser/extract/compiled/stories';
+import { getSvelteAST } from '$lib/parser/ast.js';
+import { extractSvelteASTNodes } from '$lib/parser/extract/svelte/nodes.js';
+import { extractCompiledASTNodes } from '$lib/parser/extract/compiled/nodes.js';
+import { extractStoriesNodesFromExportDefaultFn } from '$lib/parser/extract/compiled/stories.js';
 
 const __dirname = path.dirname(url.fileURLToPath(import.meta.url));
 
diff --git a/src/compiler/post-transform/story/index.ts b/src/compiler/post-transform/story/index.ts
index 4b9fb66..3252e71 100644
--- a/src/compiler/post-transform/story/index.ts
+++ b/src/compiler/post-transform/story/index.ts
@@ -1,11 +1,11 @@
 import { print } from 'esrap';
 import type MagicString from 'magic-string';
 
-import { insertStoryHTMLCommentAsDescription } from './insert-description';
-import { insertSvelteCSFToStoryParameters } from './insert-svelte-csf';
+import { insertStoryHTMLCommentAsDescription } from './insert-description.js';
+import { insertSvelteCSFToStoryParameters } from './insert-svelte-csf.js';
 
-import type { extractStoriesNodesFromExportDefaultFn } from '#parser/extract/compiled/stories';
-import type { SvelteASTNodes } from '#parser/extract/svelte/nodes';
+import type { extractStoriesNodesFromExportDefaultFn } from '$lib/parser/extract/compiled/stories.js';
+import type { SvelteASTNodes } from '$lib/parser/extract/svelte/nodes.js';
 
 interface Params {
   code: MagicString;
diff --git a/src/compiler/post-transform/story/insert-description.ts b/src/compiler/post-transform/story/insert-description.ts
index adc5b94..d0c4e8f 100644
--- a/src/compiler/post-transform/story/insert-description.ts
+++ b/src/compiler/post-transform/story/insert-description.ts
@@ -9,13 +9,13 @@ import {
   getParametersPropertyValue,
   getDocsPropertyValue,
   getDescriptionPropertyValue,
-} from '#compiler/post-transform/shared/description';
-import { createASTObjectExpression, createASTProperty } from '#parser/ast';
+} from '$lib/compiler/post-transform/shared/description.js';
+import { createASTObjectExpression, createASTProperty } from '$lib/parser/ast.js';
 
-import type { ESTreeAST } from '#parser/ast';
-import type { extractStoriesNodesFromExportDefaultFn } from '#parser/extract/compiled/stories';
-import { getStoryPropsObjectExpression } from '#parser/extract/compiled/story';
-import type { SvelteASTNodes } from '#parser/extract/svelte/nodes';
+import type { ESTreeAST } from '$lib/parser/ast.js';
+import type { extractStoriesNodesFromExportDefaultFn } from '$lib/parser/extract/compiled/stories.js';
+import { getStoryPropsObjectExpression } from '$lib/parser/extract/compiled/story.js';
+import type { SvelteASTNodes } from '$lib/parser/extract/svelte/nodes.js';
 
 interface Params {
   nodes: {
diff --git a/src/compiler/post-transform/story/insert-svelte-csf.ts b/src/compiler/post-transform/story/insert-svelte-csf.ts
index 6ee2ffe..f1ea6b1 100644
--- a/src/compiler/post-transform/story/insert-svelte-csf.ts
+++ b/src/compiler/post-transform/story/insert-svelte-csf.ts
@@ -1,13 +1,13 @@
 import {
   findPropertyParametersIndex,
   getParametersPropertyValue,
-} from '#compiler/post-transform/shared/description';
+} from '$lib/compiler/post-transform/shared/description.js';
 
-import type { extractStoriesNodesFromExportDefaultFn } from '#parser/extract/compiled/stories';
-import { getStoryPropsObjectExpression } from '#parser/extract/compiled/story';
-import type { SvelteASTNodes, extractSvelteASTNodes } from '#parser/extract/svelte/nodes';
-import { getStoryChildrenRawCode } from '#parser/analyse/story/children';
-import { createASTObjectExpression, createASTProperty } from '#parser/ast';
+import type { extractStoriesNodesFromExportDefaultFn } from '$lib/parser/extract/compiled/stories.js';
+import { getStoryPropsObjectExpression } from '$lib/parser/extract/compiled/story.js';
+import type { SvelteASTNodes, extractSvelteASTNodes } from '$lib/parser/extract/svelte/nodes.js';
+import { getStoryChildrenRawCode } from '$lib/parser/analyse/story/children.js';
+import { createASTObjectExpression, createASTProperty } from '$lib/parser/ast.js';
 
 interface Params {
   nodes: {
diff --git a/src/compiler/pre-transform/codemods/component-meta-to-define-meta.test.ts b/src/compiler/pre-transform/codemods/component-meta-to-define-meta.test.ts
index a2bb80c..493841e 100644
--- a/src/compiler/pre-transform/codemods/component-meta-to-define-meta.test.ts
+++ b/src/compiler/pre-transform/codemods/component-meta-to-define-meta.test.ts
@@ -1,10 +1,10 @@
 import { print } from 'svelte-ast-print';
 import { describe, it } from 'vitest';
 
-import { transformComponentMetaToDefineMeta } from './component-meta-to-define-meta';
+import { transformComponentMetaToDefineMeta } from './component-meta-to-define-meta.js';
 
-import type { SvelteAST } from '#parser/ast';
-import { parseAndExtractSvelteNode } from '#tests/extractor';
+import type { SvelteAST } from '$lib/parser/ast.js';
+import { parseAndExtractSvelteNode } from '../../../../tests/extractor.js';
 
 describe(transformComponentMetaToDefineMeta.name, () => {
   it('works with a simple example', async ({ expect }) => {
diff --git a/src/compiler/pre-transform/codemods/component-meta-to-define-meta.ts b/src/compiler/pre-transform/codemods/component-meta-to-define-meta.ts
index dfd4f68..0bf95d8 100644
--- a/src/compiler/pre-transform/codemods/component-meta-to-define-meta.ts
+++ b/src/compiler/pre-transform/codemods/component-meta-to-define-meta.ts
@@ -3,7 +3,7 @@ import {
   createASTExpressionTag,
   type ESTreeAST,
   type SvelteAST,
-} from '#parser/ast';
+} from '$lib/parser/ast.js';
 
 interface Params {
   component: SvelteAST.Component;
diff --git a/src/compiler/pre-transform/codemods/export-const-to-define-meta.test.ts b/src/compiler/pre-transform/codemods/export-const-to-define-meta.test.ts
index 8b30877..f1dafe8 100644
--- a/src/compiler/pre-transform/codemods/export-const-to-define-meta.test.ts
+++ b/src/compiler/pre-transform/codemods/export-const-to-define-meta.test.ts
@@ -2,10 +2,10 @@ import pkg from '@storybook/addon-svelte-csf/package.json' with { type: 'json' }
 import { print } from 'svelte-ast-print';
 import { describe, it } from 'vitest';
 
-import { transformExportMetaToDefineMeta } from './export-const-to-define-meta';
+import { transformExportMetaToDefineMeta } from './export-const-to-define-meta.js';
 
-import type { ESTreeAST } from '#parser/ast';
-import { parseAndExtractSvelteNode } from '#tests/extractor';
+import type { ESTreeAST } from '$lib/parser/ast.js';
+import { parseAndExtractSvelteNode } from '../../../../tests/extractor.js';
 
 describe(transformExportMetaToDefineMeta.name, () => {
   it('works with advanced example', async ({ expect }) => {
diff --git a/src/compiler/pre-transform/codemods/export-const-to-define-meta.ts b/src/compiler/pre-transform/codemods/export-const-to-define-meta.ts
index e3c66cc..09f37ee 100644
--- a/src/compiler/pre-transform/codemods/export-const-to-define-meta.ts
+++ b/src/compiler/pre-transform/codemods/export-const-to-define-meta.ts
@@ -1,4 +1,4 @@
-import type { ESTreeAST } from '#parser/ast';
+import type { ESTreeAST } from '$lib/parser/ast.js';
 
 /**
  * Codemod to transform AST node of `export const meta` export named declaration to `defineMeta` variable declaration.
diff --git a/src/compiler/pre-transform/codemods/import-declaration.test.ts b/src/compiler/pre-transform/codemods/import-declaration.test.ts
index 3a2fa81..fe73610 100644
--- a/src/compiler/pre-transform/codemods/import-declaration.test.ts
+++ b/src/compiler/pre-transform/codemods/import-declaration.test.ts
@@ -1,10 +1,10 @@
 import { print } from 'svelte-ast-print';
 import { describe, it } from 'vitest';
 
-import { transformImportDeclaration } from './import-declaration';
+import { transformImportDeclaration } from './import-declaration.js';
 
-import type { ESTreeAST } from '#parser/ast';
-import { parseAndExtractSvelteNode } from '#tests/extractor';
+import type { ESTreeAST } from '$lib/parser/ast.js';
+import { parseAndExtractSvelteNode } from '../../../../tests/extractor.js';
 
 describe(transformImportDeclaration.name, () => {
   it("removes legacy components and add 'defineMeta'", async ({ expect }) => {
diff --git a/src/compiler/pre-transform/codemods/import-declaration.ts b/src/compiler/pre-transform/codemods/import-declaration.ts
index d1c8597..eff79b8 100644
--- a/src/compiler/pre-transform/codemods/import-declaration.ts
+++ b/src/compiler/pre-transform/codemods/import-declaration.ts
@@ -1,5 +1,5 @@
-import type { ESTreeAST } from '#parser/ast';
-import { DefaultOrNamespaceImportUsedError } from '#utils/error/parser/extract/svelte';
+import type { ESTreeAST } from '$lib/parser/ast.js';
+import { DefaultOrNamespaceImportUsedError } from '$lib/utils/error/parser/extract/svelte.js';
 
 interface Params {
   node: ESTreeAST.ImportDeclaration;
diff --git a/src/compiler/pre-transform/codemods/legacy-story.test.ts b/src/compiler/pre-transform/codemods/legacy-story.test.ts
index cb140d8..07b98c1 100644
--- a/src/compiler/pre-transform/codemods/legacy-story.test.ts
+++ b/src/compiler/pre-transform/codemods/legacy-story.test.ts
@@ -1,10 +1,10 @@
 import { print } from 'svelte-ast-print';
 import { describe, it } from 'vitest';
 
-import { transformLegacyStory } from './legacy-story';
+import { transformLegacyStory } from './legacy-story.js';
 
-import type { SvelteAST } from '#parser/ast';
-import { parseAndExtractSvelteNode } from '#tests/extractor';
+import type { SvelteAST } from '$lib/parser/ast.js';
+import { parseAndExtractSvelteNode } from '../../../../tests/extractor.js';
 
 describe(transformLegacyStory.name, () => {
   it("it moves 'autodocs' prop to 'tags' correctly", async ({ expect }) => {
diff --git a/src/compiler/pre-transform/codemods/legacy-story.ts b/src/compiler/pre-transform/codemods/legacy-story.ts
index 13c2d31..7280267 100644
--- a/src/compiler/pre-transform/codemods/legacy-story.ts
+++ b/src/compiler/pre-transform/codemods/legacy-story.ts
@@ -8,8 +8,8 @@ import {
   createASTProperty,
   type ESTreeAST,
   type SvelteAST,
-} from '#parser/ast';
-import { InvalidTemplateAttribute } from '#utils/error/legacy-api/index';
+} from '$lib/parser/ast.js';
+import { InvalidTemplateAttribute } from '$lib/utils/error/legacy-api/index.js';
 
 import type { State } from '..';
 
diff --git a/src/compiler/pre-transform/codemods/template-to-snippet.test.ts b/src/compiler/pre-transform/codemods/template-to-snippet.test.ts
index b100c02..4955122 100644
--- a/src/compiler/pre-transform/codemods/template-to-snippet.test.ts
+++ b/src/compiler/pre-transform/codemods/template-to-snippet.test.ts
@@ -2,10 +2,10 @@ import pkg from '@storybook/addon-svelte-csf/package.json' with { type: 'json' }
 import { print } from 'svelte-ast-print';
 import { describe, it } from 'vitest';
 
-import { transformTemplateToSnippet } from './template-to-snippet';
+import { transformTemplateToSnippet } from './template-to-snippet.js';
 
-import type { SvelteAST } from '#parser/ast';
-import { parseAndExtractSvelteNode } from '#tests/extractor';
+import type { SvelteAST } from '$lib/parser/ast.js';
+import { parseAndExtractSvelteNode } from '../../../../tests/extractor.js';
 
 describe(transformTemplateToSnippet.name, () => {
   it("covers a case without provided prop 'id'", async ({ expect }) => {
diff --git a/src/compiler/pre-transform/codemods/template-to-snippet.ts b/src/compiler/pre-transform/codemods/template-to-snippet.ts
index 93a5e6d..78f071c 100644
--- a/src/compiler/pre-transform/codemods/template-to-snippet.ts
+++ b/src/compiler/pre-transform/codemods/template-to-snippet.ts
@@ -1,5 +1,5 @@
-import { getStringValueFromAttribute } from '#parser/analyse/story/attributes';
-import type { SvelteAST } from '#parser/ast';
+import { getStringValueFromAttribute } from '$lib/parser/analyse/story/attributes.js';
+import type { SvelteAST } from '$lib/parser/ast.js';
 
 interface Params {
   component: SvelteAST.Component;
diff --git a/src/compiler/pre-transform/index.test.ts b/src/compiler/pre-transform/index.test.ts
index 592ff11..cde0780 100644
--- a/src/compiler/pre-transform/index.test.ts
+++ b/src/compiler/pre-transform/index.test.ts
@@ -3,9 +3,9 @@ import dedent from 'dedent';
 import { print } from 'svelte-ast-print';
 import { describe, it } from 'vitest';
 
-import { codemodLegacyNodes } from './index';
+import { codemodLegacyNodes } from './index.js';
 
-import { getSvelteAST } from '#parser/ast';
+import { getSvelteAST } from '$lib/parser/ast.js';
 
 describe(codemodLegacyNodes.name, () => {
   it("replaces 'export const meta' with 'defineMeta'", async ({ expect }) => {
diff --git a/src/compiler/pre-transform/index.ts b/src/compiler/pre-transform/index.ts
index 72216a4..b11a6ac 100644
--- a/src/compiler/pre-transform/index.ts
+++ b/src/compiler/pre-transform/index.ts
@@ -1,12 +1,12 @@
 import pkg from '@storybook/addon-svelte-csf/package.json' with { type: 'json' };
 
-import { transformComponentMetaToDefineMeta } from '#compiler/pre-transform/codemods/component-meta-to-define-meta';
-import { transformExportMetaToDefineMeta } from '#compiler/pre-transform/codemods/export-const-to-define-meta';
-import { transformImportDeclaration } from '#compiler/pre-transform/codemods/import-declaration';
-import { transformLegacyStory } from '#compiler/pre-transform/codemods/legacy-story';
-import { transformTemplateToSnippet } from '#compiler/pre-transform/codemods/template-to-snippet';
-import { createASTScript, type ESTreeAST, type SvelteAST } from '#parser/ast';
-import { DuplicatedUnidentifiedTemplateError } from '#utils/error/legacy-api/index';
+import { transformComponentMetaToDefineMeta } from '$lib/compiler/pre-transform/codemods/component-meta-to-define-meta.js';
+import { transformExportMetaToDefineMeta } from '$lib/compiler/pre-transform/codemods/export-const-to-define-meta.js';
+import { transformImportDeclaration } from '$lib/compiler/pre-transform/codemods/import-declaration.js';
+import { transformLegacyStory } from '$lib/compiler/pre-transform/codemods/legacy-story.js';
+import { transformTemplateToSnippet } from '$lib/compiler/pre-transform/codemods/template-to-snippet.js';
+import { createASTScript, type ESTreeAST, type SvelteAST } from '$lib/parser/ast.js';
+import { DuplicatedUnidentifiedTemplateError } from '$lib/utils/error/legacy-api/index.js';
 
 interface Params {
   ast: SvelteAST.Root;
diff --git a/src/index.test.ts b/src/index.test.ts
index d4be01e..4f91a9a 100644
--- a/src/index.test.ts
+++ b/src/index.test.ts
@@ -5,13 +5,13 @@ import { describe, expectTypeOf, it } from 'vitest';
 
 import StoryComponent from './runtime/Story.svelte';
 
-import { defineMeta, type Args, type StoryContext } from './index';
+import { defineMeta, type Args, type StoryContext } from './index.js';
 import type {
   Meta,
   StoryAnnotations,
   StoryContext as BaseStoryContext,
   SvelteRenderer,
-} from '#types';
+} from '$lib/types.js';
 
 import Button from '../examples/components/Button.svelte';
 
diff --git a/src/index.ts b/src/index.ts
index 668fa64..625e054 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -12,7 +12,7 @@ import type {
   StoryContext as BaseStoryContext,
   StoryAnnotations,
   Cmp,
-} from './types';
+} from './types.js';
 
 export function defineMeta<const TCmp extends Cmp>(meta: MetaType<TCmp>) {
   return {
diff --git a/src/indexer/index.ts b/src/indexer/index.ts
index 9913260..7e2dcca 100644
--- a/src/indexer/index.ts
+++ b/src/indexer/index.ts
@@ -1,15 +1,15 @@
 import type { IndexInput, Indexer } from '@storybook/types';
 
-import { parseForIndexer } from '#indexer/parser';
+import { parseForIndexer } from '$lib/indexer/parser.js';
 import {
   GetDefineMetaFirstArgumentError,
   IndexerParseError,
   MissingModuleTagError,
   NoStoryComponentDestructuredError,
-} from '#utils/error/parser/extract/svelte';
-import { LegacyTemplateNotEnabledError } from '#utils/error/legacy-api/index';
-import { NoDestructuredDefineMetaCallError } from '#utils/error/parser/analyse/define-meta';
-import { isStorybookSvelteCSFError } from '#utils/error';
+} from '$lib/utils/error/parser/extract/svelte.js';
+import { LegacyTemplateNotEnabledError } from '$lib/utils/error/legacy-api/index.js';
+import { NoDestructuredDefineMetaCallError } from '$lib/utils/error/parser/analyse/define-meta.js';
+import { isStorybookSvelteCSFError } from '$lib/utils/error.js';
 
 export const createIndexer = (legacyTemplate: boolean): Indexer => ({
   test: /\.svelte$/,
diff --git a/src/indexer/parser.ts b/src/indexer/parser.ts
index c6f1ae7..e1f5192 100644
--- a/src/indexer/parser.ts
+++ b/src/indexer/parser.ts
@@ -4,25 +4,25 @@ import pkg from '@storybook/addon-svelte-csf/package.json' with { type: 'json' }
 import { preprocess } from 'svelte/compiler';
 import type { IndexInput } from '@storybook/types';
 
-import { getSvelteAST, type ESTreeAST, type SvelteAST } from '#parser/ast';
-import { extractStoryAttributesNodes } from '#parser/extract/svelte/story/attributes';
-import { getStoryIdentifiers } from '#parser/analyse/story/attributes/identifiers';
+import { getSvelteAST, type ESTreeAST, type SvelteAST } from '$lib/parser/ast.js';
+import { extractStoryAttributesNodes } from '$lib/parser/extract/svelte/story/attributes.js';
+import { getStoryIdentifiers } from '$lib/parser/analyse/story/attributes/identifiers.js';
 import {
   getArrayOfStringsValueFromAttribute,
   getStringValueFromAttribute,
-} from '#parser/analyse/story/attributes';
+} from '$lib/parser/analyse/story/attributes.js';
 import {
   getPropertyArrayOfStringsValue,
   getPropertyStringValue,
-} from '#parser/analyse/define-meta/properties';
-import type { StorybookAddonSvelteCsFOptions } from '#preset';
+} from '$lib/parser/analyse/define-meta/properties.js';
+import type { StorybookAddonSvelteCsFOptions } from '$lib/preset.js';
 import {
   DefaultOrNamespaceImportUsedError,
   GetDefineMetaFirstArgumentError,
   MissingModuleTagError,
   NoStoryComponentDestructuredError,
-} from '#utils/error/parser/extract/svelte';
-import { NoDestructuredDefineMetaCallError } from '#utils/error/parser/analyse/define-meta';
+} from '$lib/utils/error/parser/extract/svelte.js';
+import { NoDestructuredDefineMetaCallError } from '$lib/utils/error/parser/analyse/define-meta.js';
 
 interface Results {
   meta: Pick<IndexInput, 'title' | 'tags'>;
diff --git a/src/parser/analyse/define-meta/component-identifier.ts b/src/parser/analyse/define-meta/component-identifier.ts
index bd54493..ae9fcf2 100644
--- a/src/parser/analyse/define-meta/component-identifier.ts
+++ b/src/parser/analyse/define-meta/component-identifier.ts
@@ -1,7 +1,7 @@
-import type { ESTreeAST } from '#parser/ast';
-import { extractDefineMetaPropertiesNodes } from '#parser/extract/svelte/define-meta';
-import type { SvelteASTNodes } from '#parser/extract/svelte/nodes';
-import { InvalidComponentValueError } from '#utils/error/parser/analyse/define-meta';
+import type { ESTreeAST } from '$lib/parser/ast.js';
+import { extractDefineMetaPropertiesNodes } from '$lib/parser/extract/svelte/define-meta.js';
+import type { SvelteASTNodes } from '$lib/parser/extract/svelte/nodes.js';
+import { InvalidComponentValueError } from '$lib/utils/error/parser/analyse/define-meta.js';
 
 interface Params {
   nodes: SvelteASTNodes;
diff --git a/src/parser/analyse/define-meta/meta-identifier.ts b/src/parser/analyse/define-meta/meta-identifier.ts
index 7a97c39..9ab278b 100644
--- a/src/parser/analyse/define-meta/meta-identifier.ts
+++ b/src/parser/analyse/define-meta/meta-identifier.ts
@@ -1,9 +1,9 @@
-import type { ESTreeAST } from '#parser/ast';
-import type { SvelteASTNodes } from '#parser/extract/svelte/nodes';
+import type { ESTreeAST } from '$lib/parser/ast.js';
+import type { SvelteASTNodes } from '$lib/parser/extract/svelte/nodes.js';
 import {
   NoDestructuredDefineMetaCallError,
   NoMetaIdentifierFoundError,
-} from '#utils/error/parser/analyse/define-meta';
+} from '$lib/utils/error/parser/analyse/define-meta.js';
 
 interface Params {
   node: SvelteASTNodes['defineMetaVariableDeclaration'];
diff --git a/src/parser/analyse/define-meta/properties.ts b/src/parser/analyse/define-meta/properties.ts
index 9c780fc..c73cf7c 100644
--- a/src/parser/analyse/define-meta/properties.ts
+++ b/src/parser/analyse/define-meta/properties.ts
@@ -1,9 +1,9 @@
-import type { ESTreeAST } from '#parser/ast';
+import type { ESTreeAST } from '$lib/parser/ast.js';
 import {
   ArrayElementNotStringError,
   NoArrayExpressionError,
   NoStringLiteralError,
-} from '#utils/error/parser/analyse/define-meta';
+} from '$lib/utils/error/parser/analyse/define-meta.js';
 
 interface GetStringOptions {
   node: ESTreeAST.Property;
diff --git a/src/parser/analyse/story/attributes.test.ts b/src/parser/analyse/story/attributes.test.ts
index ac9a532..2b1c405 100644
--- a/src/parser/analyse/story/attributes.test.ts
+++ b/src/parser/analyse/story/attributes.test.ts
@@ -1,11 +1,11 @@
 import { describe, it } from 'vitest';
 
-import { getArrayOfStringsValueFromAttribute, getStringValueFromAttribute } from './attributes';
+import { getArrayOfStringsValueFromAttribute, getStringValueFromAttribute } from './attributes.js';
 
-import { getSvelteAST } from '#parser/ast';
-import { extractSvelteASTNodes } from '#parser/extract/svelte/nodes';
-import { extractStoryAttributesNodes } from '#parser/extract/svelte/story/attributes';
-import { StorybookSvelteCSFError } from '#utils/error';
+import { getSvelteAST } from '$lib/parser/ast.js';
+import { extractSvelteASTNodes } from '$lib/parser/extract/svelte/nodes.js';
+import { extractStoryAttributesNodes } from '$lib/parser/extract/svelte/story/attributes.js';
+import { StorybookSvelteCSFError } from '$lib/utils/error.js';
 
 describe(getStringValueFromAttribute.name, () => {
   it("throws error when a `<Story />` 'name' attribute value is not a string", async ({
diff --git a/src/parser/analyse/story/attributes.ts b/src/parser/analyse/story/attributes.ts
index 40c9084..a054e64 100644
--- a/src/parser/analyse/story/attributes.ts
+++ b/src/parser/analyse/story/attributes.ts
@@ -1,9 +1,9 @@
-import type { SvelteAST } from '#parser/ast';
+import type { SvelteAST } from '$lib/parser/ast.js';
 import {
   AttributeNotArrayError,
   AttributeNotArrayOfStringsError,
   AttributeNotStringError,
-} from '#utils/error/parser/analyse/story';
+} from '$lib/utils/error/parser/analyse/story.js';
 
 interface Params {
   node: SvelteAST.Attribute | undefined;
diff --git a/src/parser/analyse/story/attributes/identifiers.test.ts b/src/parser/analyse/story/attributes/identifiers.test.ts
index 88b0e0a..4fc59d0 100644
--- a/src/parser/analyse/story/attributes/identifiers.test.ts
+++ b/src/parser/analyse/story/attributes/identifiers.test.ts
@@ -1,11 +1,11 @@
 import { describe, expect, it } from 'vitest';
 
-import { getStoryIdentifiers, getStoriesIdentifiers } from './identifiers';
+import { getStoryIdentifiers, getStoriesIdentifiers } from './identifiers.js';
 
-import { getSvelteAST } from '#parser/ast';
-import { extractSvelteASTNodes } from '#parser/extract/svelte/nodes';
-import { extractStoryAttributesNodes } from '#parser/extract/svelte/story/attributes';
-import { StorybookSvelteCSFError } from '#utils/error';
+import { getSvelteAST } from '$lib/parser/ast.js';
+import { extractSvelteASTNodes } from '$lib/parser/extract/svelte/nodes.js';
+import { extractStoryAttributesNodes } from '$lib/parser/extract/svelte/story/attributes.js';
+import { StorybookSvelteCSFError } from '$lib/utils/error.js';
 
 describe(getStoryIdentifiers.name, () => {
   it("extracts 'exportName' attribute when is a Text string", async () => {
diff --git a/src/parser/analyse/story/attributes/identifiers.ts b/src/parser/analyse/story/attributes/identifiers.ts
index ed07335..18231a6 100644
--- a/src/parser/analyse/story/attributes/identifiers.ts
+++ b/src/parser/analyse/story/attributes/identifiers.ts
@@ -1,13 +1,13 @@
-import { getStringValueFromAttribute } from '#parser/analyse/story/attributes';
-import type { SvelteAST } from '#parser/ast';
-import type { SvelteASTNodes } from '#parser/extract/svelte/nodes';
-import { extractStoryAttributesNodes } from '#parser/extract/svelte/story/attributes';
-import { isValidVariableName, storyNameToExportName } from '#utils/identifier-utils';
+import { getStringValueFromAttribute } from '$lib/parser/analyse/story/attributes.js';
+import type { SvelteAST } from '$lib/parser/ast.js';
+import type { SvelteASTNodes } from '$lib/parser/extract/svelte/nodes.js';
+import { extractStoryAttributesNodes } from '$lib/parser/extract/svelte/story/attributes.js';
+import { isValidVariableName, storyNameToExportName } from '$lib/utils/identifier-utils.js';
 import {
   DuplicateStoryIdentifiersError,
   InvalidStoryExportNameError,
   NoStoryIdentifierError,
-} from '#utils/error/parser/analyse/story';
+} from '$lib/utils/error/parser/analyse/story.js';
 
 type StoryIdentifiers = {
   exportName: string;
diff --git a/src/parser/analyse/story/children.test.ts b/src/parser/analyse/story/children.test.ts
index 16b5f6d..9b43fca 100644
--- a/src/parser/analyse/story/children.test.ts
+++ b/src/parser/analyse/story/children.test.ts
@@ -1,9 +1,9 @@
 import { describe, it } from 'vitest';
 
-import { getStoryChildrenRawCode } from './children';
+import { getStoryChildrenRawCode } from './children.js';
 
-import { getSvelteAST } from '#parser/ast';
-import { extractSvelteASTNodes } from '#parser/extract/svelte/nodes';
+import { getSvelteAST } from '$lib/parser/ast.js';
+import { extractSvelteASTNodes } from '$lib/parser/extract/svelte/nodes.js';
 
 describe(getStoryChildrenRawCode.name, () => {
   describe('When a `<Story />` is a self-closing tag...', () => {
diff --git a/src/parser/analyse/story/children.ts b/src/parser/analyse/story/children.ts
index 1abdbd7..2a7bda3 100644
--- a/src/parser/analyse/story/children.ts
+++ b/src/parser/analyse/story/children.ts
@@ -1,13 +1,13 @@
 import dedent from 'dedent';
 
-import { getDefineMetaComponentValue } from '#parser/analyse/define-meta/component-identifier';
-import type { SvelteAST } from '#parser/ast';
-import type { extractSvelteASTNodes } from '#parser/extract/svelte/nodes';
-import { extractStoryChildrenSnippetBlock } from '#parser/extract/svelte/story/children';
+import { getDefineMetaComponentValue } from '$lib/parser/analyse/define-meta/component-identifier.js';
+import type { SvelteAST } from '$lib/parser/ast.js';
+import type { extractSvelteASTNodes } from '$lib/parser/extract/svelte/nodes.js';
+import { extractStoryChildrenSnippetBlock } from '$lib/parser/extract/svelte/story/children.js';
 import {
   findSetTemplateSnippetBlock,
   findStoryAttributeChildrenSnippetBlock,
-} from '#parser/extract/svelte/snippet-block';
+} from '$lib/parser/extract/svelte/snippet-block.js';
 
 interface Params {
   nodes: {
diff --git a/src/parser/extract/compiled/nodes.ts b/src/parser/extract/compiled/nodes.ts
index 053bedb..a55e77e 100644
--- a/src/parser/extract/compiled/nodes.ts
+++ b/src/parser/extract/compiled/nodes.ts
@@ -2,15 +2,15 @@ import pkg from '@storybook/addon-svelte-csf/package.json' with { type: 'json' }
 import type { ProgramNode } from 'rollup';
 import type { Visitors } from 'zimmerframe';
 
-import type { ESTreeAST } from '#parser/ast';
+import type { ESTreeAST } from '$lib/parser/ast.js';
 import {
   MissingDefineMetaVariableDeclarationError,
   MissingImportedDefineMetaError,
   NoExportDefaultError,
   NoStoriesFunctionDeclarationError,
   NoStoryIdentifierFoundError,
-} from '#utils/error/parser/extract/compiled';
-import { DefaultOrNamespaceImportUsedError } from '#utils/error/parser/extract/svelte';
+} from '$lib/utils/error/parser/extract/compiled.js';
+import { DefaultOrNamespaceImportUsedError } from '$lib/utils/error/parser/extract/svelte.js';
 
 /**
  * Important AST nodes from the compiled output of a single `*.stories.svelte` file.
diff --git a/src/parser/extract/compiled/stories.ts b/src/parser/extract/compiled/stories.ts
index 36d68e0..2867472 100644
--- a/src/parser/extract/compiled/stories.ts
+++ b/src/parser/extract/compiled/stories.ts
@@ -1,8 +1,8 @@
 import type { Visitors } from 'zimmerframe';
 
-import type { CompiledASTNodes } from './nodes';
+import type { CompiledASTNodes } from './nodes.js';
 
-import type { ESTreeAST } from '#parser/ast';
+import type { ESTreeAST } from '$lib/parser/ast.js';
 
 interface Params {
   nodes: CompiledASTNodes;
diff --git a/src/parser/extract/compiled/story.ts b/src/parser/extract/compiled/story.ts
index 67ea564..861b113 100644
--- a/src/parser/extract/compiled/story.ts
+++ b/src/parser/extract/compiled/story.ts
@@ -1,6 +1,6 @@
-import type { ESTreeAST } from '#parser/ast';
-import type { extractStoriesNodesFromExportDefaultFn } from '#parser/extract/compiled/stories';
-import { NoCompiledStoryPropsObjectExpression } from '#utils/error/parser/extract/compiled';
+import type { ESTreeAST } from '$lib/parser/ast.js';
+import type { extractStoriesNodesFromExportDefaultFn } from '$lib/parser/extract/compiled/stories.js';
+import { NoCompiledStoryPropsObjectExpression } from '$lib/utils/error/parser/extract/compiled.js';
 
 interface Params {
   node: Awaited<ReturnType<typeof extractStoriesNodesFromExportDefaultFn>>[number];
diff --git a/src/parser/extract/svelte/define-meta.test.ts b/src/parser/extract/svelte/define-meta.test.ts
index 5c53d04..c538154 100644
--- a/src/parser/extract/svelte/define-meta.test.ts
+++ b/src/parser/extract/svelte/define-meta.test.ts
@@ -1,9 +1,9 @@
 import { describe, it } from 'vitest';
 
-import { extractDefineMetaPropertiesNodes } from './define-meta';
+import { extractDefineMetaPropertiesNodes } from './define-meta.js';
 
-import { getSvelteAST, type ESTreeAST } from '#parser/ast';
-import { extractSvelteASTNodes } from '#parser/extract/svelte/nodes';
+import { getSvelteAST, type ESTreeAST } from '$lib/parser/ast.js';
+import { extractSvelteASTNodes } from '$lib/parser/extract/svelte/nodes.js';
 
 describe(extractDefineMetaPropertiesNodes.name, () => {
   it('extracts correctly selected properties', async ({ expect }) => {
diff --git a/src/parser/extract/svelte/define-meta.ts b/src/parser/extract/svelte/define-meta.ts
index 960c92b..936d0a2 100644
--- a/src/parser/extract/svelte/define-meta.ts
+++ b/src/parser/extract/svelte/define-meta.ts
@@ -1,9 +1,9 @@
-import type { ESTreeAST } from '#parser/ast';
-import type { SvelteASTNodes } from '#parser/extract/svelte/nodes';
-import type { CompiledASTNodes } from '#parser/extract/compiled/nodes';
+import type { ESTreeAST } from '$lib/parser/ast.js';
+import type { SvelteASTNodes } from '$lib/parser/extract/svelte/nodes.js';
+import type { CompiledASTNodes } from '$lib/parser/extract/compiled/nodes.js';
 
-import { GetDefineMetaFirstArgumentError } from '#utils/error/parser/extract/svelte';
-import type { Cmp, Meta } from '#types';
+import { GetDefineMetaFirstArgumentError } from '$lib/utils/error/parser/extract/svelte.js';
+import type { Cmp, Meta } from '$lib/types.js';
 
 interface Options<Properties extends Array<keyof Meta<Cmp>>> {
   nodes: SvelteASTNodes | CompiledASTNodes;
diff --git a/src/parser/extract/svelte/fragment-nodes.test.ts b/src/parser/extract/svelte/fragment-nodes.test.ts
index edddb66..f5b6dc4 100644
--- a/src/parser/extract/svelte/fragment-nodes.test.ts
+++ b/src/parser/extract/svelte/fragment-nodes.test.ts
@@ -1,10 +1,10 @@
 import { describe, expect, it } from 'vitest';
 
-import { extractFragmentNodes } from './fragment-nodes';
-import { extractInstanceNodes } from './instance-nodes';
-import { extractModuleNodes } from './module-nodes';
+import { extractFragmentNodes } from './fragment-nodes.js';
+import { extractInstanceNodes } from './instance-nodes.js';
+import { extractModuleNodes } from './module-nodes.js';
 
-import { getSvelteAST } from '#parser/ast';
+import { getSvelteAST } from '$lib/parser/ast.js';
 
 describe(extractFragmentNodes.name, () => {
   it("extracts '<Story />' AST nodes correctly", async () => {
diff --git a/src/parser/extract/svelte/fragment-nodes.ts b/src/parser/extract/svelte/fragment-nodes.ts
index 7803cf9..4c3d0dd 100644
--- a/src/parser/extract/svelte/fragment-nodes.ts
+++ b/src/parser/extract/svelte/fragment-nodes.ts
@@ -1,9 +1,9 @@
 import type { Visitors } from 'zimmerframe';
 
-import type { extractModuleNodes } from './module-nodes';
-import type { extractInstanceNodes } from './instance-nodes';
+import type { extractModuleNodes } from './module-nodes.js';
+import type { extractInstanceNodes } from './instance-nodes.js';
 
-import type { SvelteAST } from '#parser/ast';
+import type { SvelteAST } from '$lib/parser/ast.js';
 
 interface Result {
   storyComponents: Array<{
diff --git a/src/parser/extract/svelte/instance-nodes.test.ts b/src/parser/extract/svelte/instance-nodes.test.ts
index 553bf29..b331d8b 100644
--- a/src/parser/extract/svelte/instance-nodes.test.ts
+++ b/src/parser/extract/svelte/instance-nodes.test.ts
@@ -1,9 +1,9 @@
 import { describe, expect, it } from 'vitest';
 
-import { extractInstanceNodes } from './instance-nodes';
-import { extractModuleNodes } from './module-nodes';
+import { extractInstanceNodes } from './instance-nodes.js';
+import { extractModuleNodes } from './module-nodes.js';
 
-import { getSvelteAST, type ESTreeAST } from '#parser/ast';
+import { getSvelteAST, type ESTreeAST } from '$lib/parser/ast.js';
 
 describe(extractInstanceNodes.name, () => {
   it("extract 'setTemplateCall' correctly when used", async () => {
diff --git a/src/parser/extract/svelte/instance-nodes.ts b/src/parser/extract/svelte/instance-nodes.ts
index 1bddf53..d105ed5 100644
--- a/src/parser/extract/svelte/instance-nodes.ts
+++ b/src/parser/extract/svelte/instance-nodes.ts
@@ -1,8 +1,8 @@
 import type { Visitors } from 'zimmerframe';
 
-import type { extractModuleNodes } from './module-nodes';
+import type { extractModuleNodes } from './module-nodes.js';
 
-import type { ESTreeAST, SvelteAST } from '#parser/ast';
+import type { ESTreeAST, SvelteAST } from '$lib/parser/ast.js';
 
 interface Result {
   setTemplateCall: ESTreeAST.CallExpression | undefined;
diff --git a/src/parser/extract/svelte/legacy-export-meta.ts b/src/parser/extract/svelte/legacy-export-meta.ts
index 59b98ab..abeba8a 100644
--- a/src/parser/extract/svelte/legacy-export-meta.ts
+++ b/src/parser/extract/svelte/legacy-export-meta.ts
@@ -1,10 +1,10 @@
 import type { ObjectExpression, Property } from 'estree';
 
-import type { SvelteASTNodes } from '#parser/extract/svelte/nodes';
-import type { CompiledASTNodes } from '#parser/extract/compiled/nodes';
+import type { SvelteASTNodes } from '$lib/parser/extract/svelte/nodes.js';
+import type { CompiledASTNodes } from '$lib/parser/extract/compiled/nodes.js';
 
-import { GetDefineMetaFirstArgumentError } from '#utils/error/parser/extract/svelte';
-import type { Cmp, Meta } from '#types';
+import { GetDefineMetaFirstArgumentError } from '$lib/utils/error/parser/extract/svelte.js';
+import type { Cmp, Meta } from '$lib/types.js';
 
 interface Options<Properties extends Array<keyof Meta<Cmp>>> {
   nodes: SvelteASTNodes | CompiledASTNodes;
diff --git a/src/parser/extract/svelte/module-nodes.test.ts b/src/parser/extract/svelte/module-nodes.test.ts
index 5da0881..1c15cd0 100644
--- a/src/parser/extract/svelte/module-nodes.test.ts
+++ b/src/parser/extract/svelte/module-nodes.test.ts
@@ -1,9 +1,9 @@
 import { describe, it } from 'vitest';
 
-import { extractModuleNodes } from './module-nodes';
+import { extractModuleNodes } from './module-nodes.js';
 
-import { getSvelteAST } from '#parser/ast';
-import { StorybookSvelteCSFError } from '#utils/error';
+import { getSvelteAST } from '$lib/parser/ast.js';
+import { StorybookSvelteCSFError } from '$lib/utils/error.js';
 
 describe(extractModuleNodes.name, () => {
   it('fails when module tag not found', ({ expect }) => {
diff --git a/src/parser/extract/svelte/module-nodes.ts b/src/parser/extract/svelte/module-nodes.ts
index eb5c57d..1e6c1f5 100644
--- a/src/parser/extract/svelte/module-nodes.ts
+++ b/src/parser/extract/svelte/module-nodes.ts
@@ -1,14 +1,14 @@
 import pkg from '@storybook/addon-svelte-csf/package.json' with { type: 'json' };
 import type { Visitors } from 'zimmerframe';
 
-import type { ESTreeAST, SvelteAST } from '#parser/ast';
+import type { ESTreeAST, SvelteAST } from '$lib/parser/ast.js';
 import {
   DefaultOrNamespaceImportUsedError,
   MissingDefineMetaImportError,
   MissingDefineMetaVariableDeclarationError,
   MissingModuleTagError,
   NoStoryComponentDestructuredError,
-} from '#utils/error/parser/extract/svelte';
+} from '$lib/utils/error/parser/extract/svelte.js';
 
 const AST_NODES_NAMES = {
   defineMeta: 'defineMeta',
diff --git a/src/parser/extract/svelte/nodes.test.ts b/src/parser/extract/svelte/nodes.test.ts
index 2aef1a4..a967846 100644
--- a/src/parser/extract/svelte/nodes.test.ts
+++ b/src/parser/extract/svelte/nodes.test.ts
@@ -1,8 +1,8 @@
 import { describe, it } from 'vitest';
 
-import { extractSvelteASTNodes } from './nodes';
+import { extractSvelteASTNodes } from './nodes.js';
 
-import { getSvelteAST } from '#parser/ast';
+import { getSvelteAST } from '$lib/parser/ast.js';
 
 describe(extractSvelteASTNodes.name, () => {
   it('works with a simple example', ({ expect }) => {
diff --git a/src/parser/extract/svelte/nodes.ts b/src/parser/extract/svelte/nodes.ts
index f8e0fa4..9044153 100644
--- a/src/parser/extract/svelte/nodes.ts
+++ b/src/parser/extract/svelte/nodes.ts
@@ -1,8 +1,8 @@
-import { extractModuleNodes } from './module-nodes';
-import { extractFragmentNodes } from './fragment-nodes';
-import { extractInstanceNodes } from './instance-nodes';
+import { extractModuleNodes } from './module-nodes.js';
+import { extractFragmentNodes } from './fragment-nodes.js';
+import { extractInstanceNodes } from './instance-nodes.js';
 
-import type { SvelteAST } from '#parser/ast';
+import type { SvelteAST } from '$lib/parser/ast.js';
 
 /**
  * Selected nodes extracted from the Svelte AST via `svelte.compile`,
diff --git a/src/parser/extract/svelte/snippet-block.ts b/src/parser/extract/svelte/snippet-block.ts
index 778bd80..092838d 100644
--- a/src/parser/extract/svelte/snippet-block.ts
+++ b/src/parser/extract/svelte/snippet-block.ts
@@ -1,11 +1,11 @@
-import type { SvelteAST } from '#parser/ast';
-import type { SvelteASTNodes } from '#parser/extract/svelte/nodes';
-import { extractStoryAttributesNodes } from '#parser/extract/svelte/story/attributes';
+import type { SvelteAST } from '$lib/parser/ast.js';
+import type { SvelteASTNodes } from '$lib/parser/extract/svelte/nodes.js';
+import { extractStoryAttributesNodes } from '$lib/parser/extract/svelte/story/attributes.js';
 
 import {
   InvalidSetTemplateFirstArgumentError,
   InvalidStoryChildrenAttributeError,
-} from '#utils/error/parser/extract/svelte';
+} from '$lib/utils/error/parser/extract/svelte.js';
 
 /**
  * Svelte 5 allows to passing `children` as attribute _(aka prop)_.
diff --git a/src/parser/extract/svelte/story/attributes.test.ts b/src/parser/extract/svelte/story/attributes.test.ts
index 91fc862..65e458b 100644
--- a/src/parser/extract/svelte/story/attributes.test.ts
+++ b/src/parser/extract/svelte/story/attributes.test.ts
@@ -1,9 +1,9 @@
 import { describe, expect, it } from 'vitest';
 
-import { extractStoryAttributesNodes } from './attributes';
+import { extractStoryAttributesNodes } from './attributes.js';
 
-import { getSvelteAST } from '#parser/ast';
-import { extractSvelteASTNodes } from '#parser/extract/svelte/nodes';
+import { getSvelteAST } from '$lib/parser/ast.js';
+import { extractSvelteASTNodes } from '$lib/parser/extract/svelte/nodes.js';
 
 describe(extractStoryAttributesNodes.name, () => {
   it("extracts '<Story />' attributes correctly", async () => {
diff --git a/src/parser/extract/svelte/story/attributes.ts b/src/parser/extract/svelte/story/attributes.ts
index dcfdda5..4f7a74e 100644
--- a/src/parser/extract/svelte/story/attributes.ts
+++ b/src/parser/extract/svelte/story/attributes.ts
@@ -1,8 +1,8 @@
 import type { ComponentProps } from 'svelte';
 
-import type { SvelteAST } from '#parser/ast';
-import type { Cmp } from '#types';
-import type Story from '#runtime/Story.svelte';
+import type { SvelteAST } from '$lib/parser/ast.js';
+import type { Cmp } from '$lib/types.js';
+import type Story from '$lib/runtime/Story.svelte';
 
 type StoryAttributes = Array<keyof ComponentProps<typeof Story<Cmp>>>;
 
diff --git a/src/parser/extract/svelte/story/children.test.ts b/src/parser/extract/svelte/story/children.test.ts
index 4aa4bb8..8c4986b 100644
--- a/src/parser/extract/svelte/story/children.test.ts
+++ b/src/parser/extract/svelte/story/children.test.ts
@@ -1,9 +1,9 @@
 import { describe, it } from 'vitest';
 
-import { extractStoryChildrenSnippetBlock } from './children';
+import { extractStoryChildrenSnippetBlock } from './children.js';
 
-import { getSvelteAST } from '#parser/ast';
-import { extractSvelteASTNodes } from '#parser/extract/svelte/nodes';
+import { getSvelteAST } from '$lib/parser/ast.js';
+import { extractSvelteASTNodes } from '$lib/parser/extract/svelte/nodes.js';
 
 describe(extractStoryChildrenSnippetBlock.name, () => {
   it('returns correctly AST node, when a `<Story>` compponent has a snippet block `children` inside', async ({
diff --git a/src/parser/extract/svelte/story/children.ts b/src/parser/extract/svelte/story/children.ts
index 2764876..15addb0 100644
--- a/src/parser/extract/svelte/story/children.ts
+++ b/src/parser/extract/svelte/story/children.ts
@@ -1,4 +1,4 @@
-import type { SvelteAST } from '#parser/ast';
+import type { SvelteAST } from '$lib/parser/ast.js';
 
 type Result = SvelteAST.SnippetBlock | undefined;
 
diff --git a/src/preset.ts b/src/preset.ts
index 6260e9b..9f46c2a 100644
--- a/src/preset.ts
+++ b/src/preset.ts
@@ -1,8 +1,8 @@
 import type { StorybookConfig } from '@storybook/svelte-vite';
 import type { Options } from '@storybook/types';
 
-import { transformPlugin, preTransformPlugin } from '#compiler/plugins';
-import { createIndexer } from '#indexer/index';
+import { transformPlugin, preTransformPlugin } from '$lib/compiler/plugins.js';
+import { createIndexer } from '$lib/indexer/index.js';
 
 export interface StorybookAddonSvelteCsFOptions extends Options {
   /**
diff --git a/src/runtime/StoriesExtractor.svelte b/src/runtime/StoriesExtractor.svelte
index a4189d2..714fd5f 100644
--- a/src/runtime/StoriesExtractor.svelte
+++ b/src/runtime/StoriesExtractor.svelte
@@ -1,12 +1,12 @@
 <script lang="ts">
   import type { Component } from 'svelte';
 
-  import type { Cmp } from '#types';
+  import type { Cmp } from '$lib/types';
 
   import {
     type StoriesRepository,
     createStoriesExtractorContext,
-  } from '#runtime/contexts/extractor.svelte';
+  } from '$lib/runtime/contexts/extractor.svelte';
 
   interface Props {
     Stories: Component;
diff --git a/src/runtime/contexts/extractor.svelte.ts b/src/runtime/contexts/extractor.svelte.ts
index 455be6e..a67f4fc 100644
--- a/src/runtime/contexts/extractor.svelte.ts
+++ b/src/runtime/contexts/extractor.svelte.ts
@@ -2,8 +2,8 @@ import { getContext, hasContext, setContext, type ComponentProps } from 'svelte'
 
 import type Story from '../Story.svelte';
 
-import type { Cmp } from '../../types';
-import { storyNameToExportName } from '../../utils/identifier-utils';
+import type { Cmp } from '../../types.js';
+import { storyNameToExportName } from '../../utils/identifier-utils.js';
 
 const CONTEXT_KEY = 'storybook-stories-extractor-context';
 
diff --git a/src/runtime/contexts/renderer.svelte.ts b/src/runtime/contexts/renderer.svelte.ts
index 1181816..15ed0af 100644
--- a/src/runtime/contexts/renderer.svelte.ts
+++ b/src/runtime/contexts/renderer.svelte.ts
@@ -1,6 +1,6 @@
 import { getContext, hasContext, setContext } from 'svelte';
 
-import type { Cmp, StoryAnnotations, StoryContext } from '../../types';
+import type { Cmp, StoryAnnotations, StoryContext } from '../../types.js';
 
 const CONTEXT_KEY = 'storybook-story-renderer-context';
 
diff --git a/src/runtime/contexts/template.svelte.ts b/src/runtime/contexts/template.svelte.ts
index 6f0a684..882ed03 100644
--- a/src/runtime/contexts/template.svelte.ts
+++ b/src/runtime/contexts/template.svelte.ts
@@ -2,7 +2,7 @@ import { getContext, hasContext, setContext, type ComponentProps } from 'svelte'
 
 import type Story from '../Story.svelte';
 
-import type { Cmp } from '../../types';
+import type { Cmp } from '../../types.js';
 
 const CONTEXT_KEYS = 'storybook-stories-template-snippet-context';
 
diff --git a/src/runtime/create-runtime-stories.ts b/src/runtime/create-runtime-stories.ts
index bda3b22..9520562 100644
--- a/src/runtime/create-runtime-stories.ts
+++ b/src/runtime/create-runtime-stories.ts
@@ -3,8 +3,8 @@ import { logger } from '@storybook/client-logger';
 import type { StoryObj } from '@storybook/svelte';
 import { mount, unmount, type Component } from 'svelte';
 
-import type { StoriesRepository } from '#runtime/contexts/extractor.svelte';
-import type { Cmp, Meta } from '#types';
+import type { StoriesRepository } from '$lib/runtime/contexts/extractor.svelte';
+import type { Cmp, Meta } from '$lib/types.js';
 
 import StoriesExtractor from './StoriesExtractor.svelte';
 import StoryRenderer from './StoryRenderer.svelte';
diff --git a/src/runtime/emit-code.test.ts b/src/runtime/emit-code.test.ts
index 82a30d8..b31ad17 100644
--- a/src/runtime/emit-code.test.ts
+++ b/src/runtime/emit-code.test.ts
@@ -2,7 +2,7 @@ import { describe, expect, it } from 'vitest';
 import { fn } from '@storybook/test';
 import dedent from 'dedent';
 
-import { generateCodeToEmit } from './emit-code';
+import { generateCodeToEmit } from './emit-code.js';
 
 describe('Emit Code', () => {
   it('should replace short spread args with single-line props', () => {
diff --git a/src/runtime/emit-code.ts b/src/runtime/emit-code.ts
index 8a3e424..5bf0d23 100644
--- a/src/runtime/emit-code.ts
+++ b/src/runtime/emit-code.ts
@@ -6,7 +6,7 @@ import type { ComponentProps } from 'svelte';
 
 import type Story from './Story.svelte';
 
-import type { Cmp, StoryContext } from '../types';
+import type { Cmp, StoryContext } from '../types.js';
 
 type Params = {
   args: ComponentProps<Story<Cmp>>['args'];
diff --git a/src/types.test.ts b/src/types.test.ts
index 3393b4f..00237b7 100644
--- a/src/types.test.ts
+++ b/src/types.test.ts
@@ -2,7 +2,7 @@ import type { StoryContext } from '@storybook/types';
 import { createRawSnippet, type Component } from 'svelte';
 import { describe, expectTypeOf, it } from 'vitest';
 
-import type { Meta, SvelteRenderer, ComponentAnnotations } from '#types';
+import type { Meta, SvelteRenderer, ComponentAnnotations } from '$lib/types.js';
 
 import Button from '../examples/components/Button.svelte';
 
diff --git a/src/utils/error.ts b/src/utils/error.ts
index d145ef7..690259d 100644
--- a/src/utils/error.ts
+++ b/src/utils/error.ts
@@ -2,7 +2,7 @@ import url from 'node:url';
 
 import pkg from '@storybook/addon-svelte-csf/package.json' with { type: 'json' };
 
-import type { SvelteAST } from '#parser/ast';
+import type { SvelteAST } from '$lib/parser/ast.js';
 
 /**
  * Adopted from: {@link https://github.com/storybookjs/storybook/blob/next/code/lib/core-events/src/errors/storybook-error.ts}
diff --git a/src/utils/error/legacy-api/index.ts b/src/utils/error/legacy-api/index.ts
index 34a9a6e..757f08c 100644
--- a/src/utils/error/legacy-api/index.ts
+++ b/src/utils/error/legacy-api/index.ts
@@ -1,8 +1,8 @@
 import pkg from '@storybook/addon-svelte-csf/package.json' with { type: 'json' };
-import { StorybookSvelteCSFError } from '#utils/error';
+import { StorybookSvelteCSFError } from '$lib/utils/error.js';
 import dedent from 'dedent';
 
-import type { SvelteAST } from '#parser/ast';
+import type { SvelteAST } from '$lib/parser/ast.js';
 
 export class InvalidTemplateAttribute extends StorybookSvelteCSFError {
   readonly category = StorybookSvelteCSFError.CATEGORY.legacyAPI;
diff --git a/src/utils/error/parser/analyse/define-meta.ts b/src/utils/error/parser/analyse/define-meta.ts
index b8306e4..6f63225 100644
--- a/src/utils/error/parser/analyse/define-meta.ts
+++ b/src/utils/error/parser/analyse/define-meta.ts
@@ -1,4 +1,4 @@
-import { StorybookSvelteCSFError } from '#utils/error';
+import { StorybookSvelteCSFError } from '$lib/utils/error.js';
 import dedent from 'dedent';
 import type * as ESTreeAST from 'estree';
 
diff --git a/src/utils/error/parser/analyse/story.ts b/src/utils/error/parser/analyse/story.ts
index 56d1436..dfcb8b6 100644
--- a/src/utils/error/parser/analyse/story.ts
+++ b/src/utils/error/parser/analyse/story.ts
@@ -1,8 +1,8 @@
 import dedent from 'dedent';
 
-import type { getStoryIdentifiers } from '#parser/analyse/story/attributes/identifiers';
-import type { ESTreeAST, SvelteAST } from '#parser/ast';
-import { StorybookSvelteCSFError } from '#utils/error';
+import type { getStoryIdentifiers } from '$lib/parser/analyse/story/attributes/identifiers.js';
+import type { ESTreeAST, SvelteAST } from '$lib/parser/ast.js';
+import { StorybookSvelteCSFError } from '$lib/utils/error.js';
 
 export class AttributeNotStringError extends StorybookSvelteCSFError {
   readonly category = StorybookSvelteCSFError.CATEGORY.parserAnalyseStory;
diff --git a/src/utils/error/parser/extract/compiled.ts b/src/utils/error/parser/extract/compiled.ts
index 5c63054..3251302 100644
--- a/src/utils/error/parser/extract/compiled.ts
+++ b/src/utils/error/parser/extract/compiled.ts
@@ -1,7 +1,7 @@
 import dedent from 'dedent';
 
-import { StorybookSvelteCSFError } from '#utils/error';
-import type { extractStoriesNodesFromExportDefaultFn } from '#parser/extract/compiled/stories';
+import { StorybookSvelteCSFError } from '$lib/utils/error.js';
+import type { extractStoriesNodesFromExportDefaultFn } from '$lib/parser/extract/compiled/stories.js';
 
 export class MissingImportedDefineMetaError extends StorybookSvelteCSFError {
   readonly category = StorybookSvelteCSFError.CATEGORY.parserExtractCompiled;
diff --git a/src/utils/error/parser/extract/svelte.ts b/src/utils/error/parser/extract/svelte.ts
index 47f09bb..9ba21e3 100644
--- a/src/utils/error/parser/extract/svelte.ts
+++ b/src/utils/error/parser/extract/svelte.ts
@@ -1,8 +1,8 @@
 import dedent from 'dedent';
 
-import type { SvelteAST } from '#parser/ast';
-import type { SvelteASTNodes } from '#parser/extract/svelte/nodes';
-import { StorybookSvelteCSFError } from '#utils/error';
+import type { SvelteAST } from '$lib/parser/ast.js';
+import type { SvelteASTNodes } from '$lib/parser/extract/svelte/nodes.js';
+import { StorybookSvelteCSFError } from '$lib/utils/error.js';
 
 const BASE_INITIAL_SNIPPET = dedent`
 <script module>
diff --git a/src/utils/identifier-utils.test.ts b/src/utils/identifier-utils.test.ts
index a2594c7..5de11e2 100644
--- a/src/utils/identifier-utils.test.ts
+++ b/src/utils/identifier-utils.test.ts
@@ -4,7 +4,7 @@ import {
   exportNameToStoryId,
   storyNameToId,
   storyNameToExportName,
-} from './identifier-utils';
+} from './identifier-utils.js';
 
 it('storyIdToExportName', () => {
   expect(storyIdToExportName('single')).toBe('Single');
diff --git a/svelte.config.js b/svelte.config.js
new file mode 100644
index 0000000..d2e4bae
--- /dev/null
+++ b/svelte.config.js
@@ -0,0 +1,7 @@
+export default {
+    kit: {
+        files: {
+            lib: 'src',
+        }
+    }
+};
diff --git a/tests/extractor.d.ts b/tests/extractor.d.ts
new file mode 100644
index 0000000..7efa218
--- /dev/null
+++ b/tests/extractor.d.ts
@@ -0,0 +1,3 @@
+import { type SvelteAST } from '$lib/parser/ast.js';
+export declare function extractSvelteNode<TNode extends SvelteAST.SvelteNode | SvelteAST.Script>(parsed: SvelteAST.SvelteNode | SvelteAST.Script, name: TNode['type']): Promise<TNode>;
+export declare function parseAndExtractSvelteNode<TNode extends SvelteAST.SvelteNode | SvelteAST.Script>(code: string, name: TNode['type']): Promise<TNode>;
diff --git a/tests/extractor.ts b/tests/extractor.ts
index d053ec6..c8ee900 100644
--- a/tests/extractor.ts
+++ b/tests/extractor.ts
@@ -1,7 +1,7 @@
 import dedent from 'dedent';
 import { type Context } from 'zimmerframe';
 
-import { getSvelteAST, type SvelteAST } from '#parser/ast';
+import { getSvelteAST, type SvelteAST } from '$lib/parser/ast.js';
 
 export async function extractSvelteNode<TNode extends SvelteAST.SvelteNode | SvelteAST.Script>(
   parsed: SvelteAST.SvelteNode | SvelteAST.Script,
diff --git a/tsconfig.json b/tsconfig.json
index 464f4b5..8c8e389 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,11 +1,8 @@
 {
   "extends": "@tsconfig/svelte/tsconfig.json",
   "compilerOptions": {
-    "allowSyntheticDefaultImports": true,
     "baseUrl": ".",
-    "esModuleInterop": true,
-    "incremental": false,
-    "lib": ["esnext", "dom"],
+    "lib": ["esnext", "DOM", "DOM.Iterable"],
     "module": "esnext",
     "moduleResolution": "bundler",
     "noImplicitAny": false,
@@ -15,8 +12,17 @@
     "strict": true,
     "target": "esnext",
     "verbatimModuleSyntax": true,
+    "isolatedModules": true,
     "types": ["vitest/importMeta"],
-    "customConditions": ["development"],
+		"forceConsistentCasingInFileNames": true,
+    "paths": {
+			"$lib": [
+				"src"
+			],
+			"$lib/*": [
+				"src/*"
+			]
+		},
     "plugins": [
       {
         "name": "typescript-svelte-plugin",
diff --git a/vite.config.ts b/vite.config.ts
index 38cf26c..51eec95 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -3,6 +3,7 @@
 import { defineConfig } from 'vite';
 import { svelte } from '@sveltejs/vite-plugin-svelte';
 import inspect from 'vite-plugin-inspect';
+import path from 'path';
 
 export default defineConfig({
   // define: {
@@ -15,6 +16,12 @@ export default defineConfig({
       build: true,
     }),
   ],
+  resolve: {
+    alias: {
+      // This is already set up in svelte.config.js, but we need it explicitly here for vitest
+      '$lib': path.resolve(__dirname, 'src'),
+    },
+  },
   test: {
     dir: './src/',
     environment: 'jsdom',