feat: move to typescript, miniplex ecs

src/input/sources/LocalKeyboardInputSource.ts

@@ -0,0 +1,75 @@
+import { gameConfig } from '../../config/gameConfig'
+import type { Player } from '../../core/types'
+import type { InputCommand, LocalBufferSource } from '../InputSource'
+import { firstToken } from '../InputSource'
+
+/** Тестовый источник без Twitch: локальная клавиатура, как в оригинале. */
+export class LocalKeyboardInputSource implements LocalBufferSource {
+  readonly origin = 'local' as const
+  private buffer = ''
+  private attached = false
+  private readonly commandHandlers = new Set<(command: InputCommand) => void>()
+  private readonly bufferHandlers = new Set<(text: string) => void>()
+
+  constructor(private readonly channelName: string) {}
+
+  start(): void {
+    if (this.attached) return
+    window.addEventListener('keydown', this.onKeyDown)
+    this.attached = true
+  }
+
+  stop(): void {
+    if (!this.attached) return
+    window.removeEventListener('keydown', this.onKeyDown)
+    this.attached = false
+  }
+
+  onCommand(handler: (command: InputCommand) => void): () => void {
+    this.commandHandlers.add(handler)
+    return () => this.commandHandlers.delete(handler)
+  }
+
+  onBuffer(handler: (text: string) => void): () => void {
+    this.bufferHandlers.add(handler)
+    return () => this.bufferHandlers.delete(handler)
+  }
+
+  private onKeyDown = (event: KeyboardEvent): void => {
+    if (event.key === 'Backspace') {
+      event.preventDefault()
+      this.buffer = this.buffer.slice(0, -1)
+      this.emitBuffer()
+    } else if (event.key === 'Enter') {
+      event.preventDefault()
+      const line = this.buffer
+      this.buffer = ''
+      this.submit(line)
+    } else if (event.key === 'Escape') {
+      this.buffer = ''
+      this.emitCommand({ kind: 'clear' })
+    } else if (event.key.length === 1 && !event.ctrlKey && !event.altKey && !event.metaKey) {
+      this.buffer += event.key
+      this.emitBuffer()
+    }
+  }
+
+  private submit(line: string): void {
+    const word = firstToken(line)
+    if (!word) return
+    if (word === gameConfig.commands.play) {
+      this.emitCommand({ kind: 'start' })
+      return
+    }
+    const player: Player = { id: 'local', name: this.channelName }
+    this.emitCommand({ kind: 'word', word, player })
+  }
+
+  private emitCommand(command: InputCommand): void {
+    for (const handler of [...this.commandHandlers]) handler(command)
+  }
+
+  private emitBuffer(): void {
+    for (const handler of [...this.bufferHandlers]) handler(this.buffer)
+  }
+}