{
  "version": 3,
  "sources": ["../../../app/app_context.ts", "../../../utils/asserts.ts", "../../../data/react_context.ts", "../../../utils/disposable.ts", "../../../utils/events/signal_impl.ts", "../../../utils/events/dispatcher.ts", "../../../data/data_provider.ts", "../../../app/routing_context.ts"],
  "sourcesContent": ["import { createContext } from \"preact\";\nimport { AssetManager } from \"../asset_manager/asset_manager\";\nimport { AppErrorType } from \"./app_error\";\n\nexport interface AppContext {\n  assetManager: AssetManager;\n  navigate(path: string): void;\n  reportAppError(errorType: AppErrorType): void;\n}\n\nexport const AppContext = createContext<AppContext | null>(null);\n", "export function assert<T>(condition: T, message?: string): asserts condition {\n  if (!condition) {\n    throw new Error(\"Assert failure\" + (message ? \": \" + message : \".\"));\n  }\n}\n", "import { createContext } from \"preact\";\nimport { DataProvider } from \"./data_provider\";\n\nexport interface DataContext {\n  provider: DataProvider;\n}\n\nexport const DataContext = createContext<DataContext | undefined>(undefined);\n", "export interface IDisposableHandler {\n  callOnDispose(callback: () => void): void;\n  readonly isDisposed: boolean;\n}\n\nexport interface IDisposable {\n  dispose(): void;\n}\n\nexport class Disposable implements IDisposable, IDisposableHandler {\n  private callbacks: Array<() => void> = [];\n  private isDisposed_ = false;\n\n  callOnDispose(callback: () => void) {\n    this.callbacks.push(callback);\n  }\n\n  dispose() {\n    this.isDisposed_ = true;\n    for (const cb of this.callbacks) {\n      // handle errors?\n      cb();\n    }\n  }\n\n  get isDisposed() {\n    return this.isDisposed_;\n  }\n}\n", "import { assert } from \"../asserts\";\nimport { Disposable, IDisposableHandler } from \"../disposable\";\nimport { CachingSignal } from \"./caching_signal\";\nimport { Dispatcher } from \"./dispatcher\";\nimport { Signal, SignalCallback } from \"./signal\";\n\nexport class SignalImpl<T> implements Signal<T>, CachingSignal<T> {\n  private readonly listeners: Set<SignalCallback<T>> = new Set();\n\n  lastValue: undefined | T;\n  hasValue: boolean = false;\n\n  constructor(readonly dispatcher: Dispatcher, private readonly caching = false) {}\n\n  attach(callback: (data: T) => void, disposable?: IDisposableHandler) {\n    if (disposable && disposable.isDisposed) {\n      return;\n    }\n\n    const listener = (data: T) => {\n      callback(data);\n    };\n\n    this.listeners.add(listener);\n    if (disposable) {\n      disposable.callOnDispose(() => {\n        this.listeners.delete(listener);\n      });\n    }\n  }\n\n  attachOnce(callback: (data: T) => void) {\n    const disposable = new Disposable();\n    this.attach((data) => {\n      disposable.dispose();\n      callback(data);\n    });\n  }\n\n  attachImmediate(callback: (data: T) => void, disposable?: IDisposableHandler) {\n    assert(this.caching);\n\n    if (this.hasValue) {\n      callback(this.lastValue!);\n    }\n\n    this.attach(callback, disposable);\n  }\n\n  next(): Promise<T> {\n    return new Promise((resolve) => {\n      this.attachOnce((value) => resolve(value));\n    });\n  }\n\n  async value(): Promise<T> {\n    if (this.hasValue) return this.lastValue!;\n    return await this.next();\n  }\n\n  // todo: fix up type\n  fire(data?: T) {\n    if (this.caching) {\n      this.hasValue = true;\n      this.lastValue = data;\n    }\n\n    const listeners = Array.from(this.listeners);\n    setTimeout(() => {\n      for (const listener of listeners) {\n        listener(data!);\n      }\n    });\n  }\n}\n\nexport function isSignalImpl<T>(signal: Signal<T>): signal is SignalImpl<T> {\n  if (signal instanceof SignalImpl) {\n    return true;\n  }\n\n  return false;\n}\n", "import { IDisposableHandler } from \"../disposable\";\nimport { CachingSignal } from \"./caching_signal\";\nimport { Signal } from \"./signal\";\nimport { isSignalImpl, SignalImpl } from \"./signal_impl\";\n\nexport class Dispatcher {\n  constructor(private readonly disposable: IDisposableHandler | null = null) {}\n\n  signal<T = void>(): Signal<T> {\n    const signal = new SignalImpl<T>(this);\n    return signal;\n  }\n\n  cachingSignal<T = void>(): CachingSignal<T> {\n    const signal = new SignalImpl<T>(this, true);\n    return signal;\n  }\n\n  emit<T>(signal: Signal<void>): void;\n  emit<T>(signal: Signal<T>, data: T): void;\n  emit<T>(signal: Signal<T>, data?: T) {\n    if (this.disposable && this.disposable.isDisposed) return;\n\n    if (!isSignalImpl(signal) || signal.dispatcher !== this) {\n      throw new Error(\"Signal not owned by this dispatcher.\");\n    }\n\n    signal.fire(data);\n  }\n}\n", "import { CachingSignal } from \"../utils/events/caching_signal\";\n\nexport const NON_EXISTING = Symbol();\n\nexport interface DataProvider {\n  get(id: string[]): DataProviderQueryResult;\n}\n\nexport interface DataProviderQueryResult {\n  onUpdate: CachingSignal<unknown | typeof NON_EXISTING>;\n}\n", "import { createContext } from \"preact\";\n\nexport interface RoutingContext {\n  push(path: string, state?: any): void;\n  replace(path: string, state?: any): void;\n}\n\nclass DefaultRoutingContextImpl implements RoutingContext {\n  // eslint-disable-next-line @typescript-eslint/no-empty-function\n  push() {}\n  replace() {}\n}\n\nexport const RoutingContext = createContext<RoutingContext>(new DefaultRoutingContextImpl());\n"],
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