Refactor module imports and exports

src/components/component.ts

@@ -1,7 +1,6 @@
-import type { KeyEvent } from "@/terminal";
+import type { KeyEvent } from "../terminal/types/key-event";
 import type { Component, ComponentInitContext, ExitReason, RuntimeContext } from "./core";
-import type { ViewElement } from "@/view/types/elements";
-import { isBlock } from "@/view/types/elements";
+import { isBlock, type ViewElement } from "../view/types/elements";
 import {
   createComponentInstance,
   invokeHooks,

src/components/core.ts

@@ -1,5 +1,5 @@
-import type { KeyEvent } from "@/terminal";
-import type { ViewElement } from "@/view/types/elements";
+import type { KeyEvent } from "../terminal/types/key-event";
+import type { ViewElement } from "../view/types/elements";
 
 export type KeyHandler = (key: KeyEvent) => void | boolean;
 export type TickHandler = () => void;

src/components/index.ts

@@ -1,3 +1,10 @@
-export * from "./component";
-export * from "./lifecycle";
-export * from "./core";
+export {
+  defineComponent,
+  handleComponentKey,
+  isComponent,
+  mountComponent,
+  renderComponent,
+  unmountComponent,
+} from "./component";
+export { createComponent } from "./core";
+export { onBeforeUpdate, onKey, onMounted, onTick, onUnmounted, onUpdated } from "./lifecycle";

src/components/lifecycle.ts

@@ -5,7 +5,7 @@
  * These hooks are called during different phases of a component's lifecycle.
  */
 
-import type { KeyEvent } from "@/terminal";
+import type { KeyEvent } from "../terminal/types/key-event";
 
 export type LifecycleHook = () => void;
 export type KeyEventHook = (event: KeyEvent) => void | boolean;

src/index.ts

@@ -2,29 +2,10 @@
  * btuin core entry point
  */
 
-export { createApp, App } from "./runtime/app";
-export { defineComponent } from "./components/component";
+export { createApp, App } from "./runtime";
+export { defineComponent } from "./components";
 export * from "./view";
 
-export {
-  onBeforeUpdate,
-  onKey,
-  onMounted,
-  onTick,
-  onUnmounted,
-  onUpdated,
-} from "./components/lifecycle";
+export { onBeforeUpdate, onKey, onMounted, onTick, onUnmounted, onUpdated } from "./components";
 
 export * from "./reactivity";
-
-export type {
-  Component,
-  ComponentDefinition,
-  ComponentInitContext,
-  ExitReason,
-  KeyHandler,
-  RuntimeContext,
-  TickHandler,
-} from "./components/core";
-export type { App as AppType, CreateAppOptions, MountOptions } from "./runtime/types";
-export type { KeyEvent } from "./terminal";

src/layout-engine/index.ts

@@ -3,8 +3,6 @@ import path from "node:path";
 import type { LayoutInputNode, ComputedLayout, Dimension, LayoutStyle } from "./types";
 import { existsSync } from "node:fs";
 
-export * from "./types";
-
 // --- Data Layout Constants (must match Rust) ---
 // prettier-ignore
 enum StyleProp {

src/layout/focus.ts

@@ -1,7 +1,6 @@
-import type { ViewElement } from "@/view/types/elements";
-import type { ComputedLayout } from "@/layout-engine";
-import type { FocusTarget } from "@/view/types/focus";
-import { isBlock } from "@/view/types/elements";
+import type { ComputedLayout } from "../layout-engine/types";
+import { isBlock, type ViewElement } from "../view/types/elements";
+import type { FocusTarget } from "../view/types/focus";
 
 function visitFocusTargets(
   element: ViewElement,

src/layout/index.ts

@@ -1,18 +1,11 @@
-import {
-  computeLayout as computeLayoutWasm,
-  type LayoutInputNode,
-  type ComputedLayout,
-  type Dimension,
-} from "@/layout-engine";
-import { isBlock, isText, type ViewElement, type BlockView } from "@/view/types/elements";
-import { measureTextWidth } from "@/renderer/grapheme";
+import { computeLayout as computeLayoutWasm } from "../layout-engine";
+import type { ComputedLayout, Dimension, LayoutInputNode } from "../layout-engine/types";
+import { measureTextWidth } from "../renderer/grapheme";
+import { isBlock, isText, type BlockView, type ViewElement } from "../view/types/elements";
+import type { LayoutContainerSize, LayoutEngine, LayoutOptions } from "./types";
 
 export { renderElement } from "./renderer";
 
-export interface LayoutEngine {
-  computeLayout(root: LayoutInputNode): ComputedLayout;
-}
-
 function ensureKeys(element: ViewElement, prefix: string) {
   if (!element.identifier && !element.key) {
     element.identifier = prefix;
@@ -33,15 +26,6 @@ function ensureKeys(element: ViewElement, prefix: string) {
   }
 }
 
-export interface LayoutContainerSize {
-  width: number;
-  height: number;
-}
-
-export interface LayoutOptions {
-  inline?: boolean;
-}
-
 function isPercent(value: unknown): value is string {
   return typeof value === "string" && /^\s*\d+(\.\d+)?%\s*$/.test(value);
 }

src/layout/renderer.ts

@@ -1,6 +1,7 @@
-import { type ViewElement, isBlock, isText } from "@/view/types/elements";
-import type { ComputedLayout } from "@/layout-engine";
-import { type Buffer2D, drawText, fillRect } from "@/renderer";
+import type { ComputedLayout } from "../layout-engine/types";
+import { drawText, fillRect } from "../renderer";
+import type { Buffer2D } from "../renderer/types";
+import { isBlock, isText, type ViewElement } from "../view/types/elements";
 
 /**
  * Draw the element tree to the buffer.

src/layout/types.ts

@@ -0,0 +1,14 @@
+import type { ComputedLayout, LayoutInputNode } from "../layout-engine/types";
+
+export interface LayoutEngine {
+  computeLayout(root: LayoutInputNode): ComputedLayout;
+}
+
+export interface LayoutContainerSize {
+  width: number;
+  height: number;
+}
+
+export interface LayoutOptions {
+  inline?: boolean;
+}

src/reactivity/index.ts

@@ -24,26 +24,13 @@
  * ```
  */
 
-export { reactive, isReactive, toRaw, shallowReactive, type ReactiveFlags } from "./reactive";
+export { reactive, isReactive, toRaw, shallowReactive } from "./reactive";
 
-export { ref, shallowRef, isRef, unref, toRef, toRefs, customRef, type Ref } from "./ref";
+export { ref, shallowRef, isRef, unref, toRef, toRefs, customRef } from "./ref";
 
-export {
-  computed,
-  type ComputedRef,
-  type ComputedGetter,
-  type ComputedSetter,
-  type ComputedUnwrap,
-} from "./computed";
+export { computed } from "./computed";
 
-export {
-  watch,
-  watchEffect,
-  type WatchSource,
-  type WatchCallback,
-  type WatchOptions,
-  type WatchStopHandle,
-} from "./watch";
+export { watch, watchEffect } from "./watch";
 
 export {
   effect,
@@ -55,7 +42,4 @@ export {
   resetTracking,
   getCurrentEffect,
   ReactiveEffect,
-  type EffectFn,
-  type EffectScheduler,
-  type ReactiveEffectOptions,
 } from "./effect";

src/renderer/index.ts

@@ -1,9 +1,27 @@
-export * from "./buffer";
-export * from "./colors";
-export * from "./diff";
-export * from "./inline-diff";
-export * from "./grapheme";
-export * from "./grid";
-export * from "./pool";
-export * from "./sanitize";
-export type * from "./types";
+export { FlatBuffer } from "./buffer";
+export { resolveColor } from "./colors";
+export { renderDiff } from "./diff";
+export { createInlineDiffRenderer } from "./inline-diff";
+export {
+  measureGraphemeWidth,
+  measureTextWidth,
+  segmentGraphemes,
+  truncateTextWidth,
+  wrapTextWidth,
+} from "./grapheme";
+export { cloneBuffer, createBuffer, drawText, fillRect, setCell } from "./grid";
+export {
+  BufferPool,
+  getGlobalBufferPool,
+  resetGlobalBufferPool,
+  setGlobalBufferPool,
+} from "./pool";
+export {
+  createSanitizer,
+  escapeSpecial,
+  isSafeInput,
+  sanitizeAnsi,
+  sanitizeControl,
+  sanitizeInput,
+  truncateInput,
+} from "./sanitize";

src/renderer/types/buffer.ts

@@ -1,4 +1,4 @@
-import { FlatBuffer } from "@/renderer/buffer";
+import { FlatBuffer } from "../buffer";
 /**
  * Public buffer type used throughout the renderer.
  */

src/runtime/app.ts

@@ -1,6 +1,6 @@
-import type { Component, ComponentInitContext } from "@/components/core";
-import type { ViewElement } from "@/view/types/elements";
-import { mountComponent } from "@/components";
+import type { Component, ComponentInitContext } from "../components/core";
+import { mountComponent } from "../components";
+import type { ViewElement } from "../view/types/elements";
 import { createErrorContext, createErrorHandler } from "./error-boundary";
 import { createDefaultTerminalAdapter } from "./terminal-adapter";
 import { createDefaultPlatformAdapter, type PlatformAdapter } from "./platform-adapter";

src/runtime/context.ts

@@ -1,6 +1,6 @@
-import type { ReactiveEffect } from "@/reactivity";
-import type { ExitReason } from "@/components/core";
-import type { MountedComponent } from "@/components";
+import type { ExitReason } from "../components/core";
+import type { MountedComponent } from "../components/component";
+import type { ReactiveEffect } from "../reactivity/effect";
 import type { TerminalAdapter } from "./terminal-adapter";
 import type { PlatformAdapter } from "./platform-adapter";
 import type { Profiler } from "./profiler";

src/runtime/error-boundary.ts

@@ -4,6 +4,9 @@
  * Handles error contexts and provides error handling utilities for the runtime.
  */
 
+import { createWriteStream } from "node:fs";
+import { getOriginalStderr } from "../terminal";
+
 /**
  * Error context information for error handlers
  */
@@ -28,10 +31,6 @@ export type ErrorHandler = (context: ErrorContext) => void;
  * @param errorLogPath - Optional file path to write error logs to
  * @returns Error handling function
  */
-import { createWriteStream } from "fs";
-import { getOriginalStderr } from "@/terminal";
-
-// ...
 
 export function createErrorHandler(
   userHandler: ErrorHandler | undefined,

src/runtime/index.ts

@@ -1,6 +1,6 @@
-export * from "./app";
-export * from "./error-boundary";
-export * from "./platform-adapter";
-export * from "./terminal-adapter";
-export * from "./profiler";
-export * from "./render-loop";
+export { App, app, createApp } from "./app";
+export { createErrorContext, createErrorHandler } from "./error-boundary";
+export { createDefaultPlatformAdapter } from "./platform-adapter";
+export { createDefaultTerminalAdapter } from "./terminal-adapter";
+export { Profiler } from "./profiler";
+export { createRenderer } from "./render-loop";

src/runtime/lifecycle.ts

@@ -1,5 +1,5 @@
-import type { ExitReason } from "@/components/core";
-import { unmountComponent } from "@/components";
+import type { ExitReason } from "../components/core";
+import { unmountComponent } from "../components";
 import type { AppContext } from "./context";
 
 export class LifecycleManager {

src/runtime/loop.ts

@@ -1,14 +1,14 @@
-import type { KeyEvent } from "@/terminal";
-import { stop } from "@/reactivity";
-import { Block } from "@/view/primitives";
-import { handleComponentKey, renderComponent } from "@/components";
+import type { KeyEvent } from "../terminal/types/key-event";
+import { stop } from "../reactivity";
+import { handleComponentKey, renderComponent } from "../components";
+import { createInlineDiffRenderer } from "../renderer";
+import { layout } from "../layout";
+import { Block } from "../view/primitives";
+import type { ViewElement } from "../view/types/elements";
 import { createRenderer } from "./render-loop";
 import { createErrorContext, createErrorHandler } from "./error-boundary";
 import type { AppContext } from "./context";
-import type { ViewElement } from "@/view/types/elements";
 import type { ILoopManager } from "./types";
-import { createInlineDiffRenderer } from "@/renderer";
-import { layout } from "@/layout";
 
 export class LoopManager implements ILoopManager {
   private ctx: AppContext;

src/runtime/platform-adapter.ts

@@ -1,4 +1,4 @@
-import { getUiOutputStream } from "@/terminal/tty-streams";
+import { getUiOutputStream } from "../terminal/tty-streams";
 
 export interface PlatformAdapter {
   onStdoutResize(handler: () => void): () => void;

src/runtime/profiler.ts

@@ -1,6 +1,6 @@
-import type { Buffer2D } from "@/renderer";
 import path from "node:path";
 import { mkdirSync, writeFileSync } from "node:fs";
+import type { Buffer2D } from "../renderer/types";
 
 export interface ProfileOptions {
   /**

src/runtime/render-loop.ts

@@ -1,17 +1,12 @@
-import { effect, stop, type ReactiveEffect } from "@/reactivity";
-import {
-  FlatBuffer,
-  getGlobalBufferPool,
-  renderDiff,
-  type Buffer2D,
-  type DiffStats,
-} from "@/renderer";
-import { layout, renderElement } from "@/layout";
-import type { ViewElement } from "@/view/types/elements";
-import { isBlock } from "@/view/types/elements";
+import { effect, stop, type ReactiveEffect } from "../reactivity";
+import { FlatBuffer, getGlobalBufferPool, renderDiff } from "../renderer";
+import { layout, renderElement } from "../layout";
+import type { DiffStats } from "../renderer/diff";
+import type { Buffer2D } from "../renderer/types";
+import { isBlock, type ViewElement } from "../view/types/elements";
 import { createErrorContext } from "./error-boundary";
 import type { Profiler } from "./profiler";
-import type { ComputedLayout } from "@/layout-engine";
+import type { ComputedLayout } from "../layout-engine/types";
 
 export interface BufferPoolLike {
   acquire(): Buffer2D;

src/runtime/terminal-adapter.ts

@@ -1,6 +1,6 @@
-import type { KeyEvent } from "@/terminal";
-import * as terminal from "@/terminal";
-import type { InputParser } from "@/terminal/parser/types";
+import type { KeyEvent } from "../terminal/types/key-event";
+import * as terminal from "../terminal";
+import type { InputParser } from "../terminal/parser/types";
 
 export interface TerminalAdapter {
   setupRawMode(): void;

src/runtime/types.ts

@@ -1,10 +1,10 @@
-import type { ComponentInitContext, ExitReason } from "@/components/core";
-import type { MountedComponent } from "@/components";
+import type { ComponentInitContext, ExitReason } from "../components/core";
+import type { MountedComponent } from "../components/component";
+import type { InputParser } from "../terminal/parser/types";
+import type { ViewElement } from "../view/types/elements";
 import type { TerminalAdapter } from "./terminal-adapter";
 import type { PlatformAdapter } from "./platform-adapter";
 import type { ProfileOptions } from "./profiler";
-import type { InputParser } from "@/terminal/parser/types";
-import type { ViewElement } from "@/view/types/elements";
 
 export interface ILoopManager {
   start(rows: number, cols: number): void;