46 lines
2.0 KiB
TypeScript
46 lines
2.0 KiB
TypeScript
import { UserFilter } from './Filter/UserFilter';
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import { IUserFilter } from './Filter/IUserFilter';
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import { ApplicationCode } from './Code/ApplicationCode';
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import { UserSelection } from './Selection/UserSelection';
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import { IUserSelection } from './Selection/IUserSelection';
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import { AsyncLazy } from '../../infrastructure/Threading/AsyncLazy';
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import { Signal } from '../../infrastructure/Events/Signal';
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import { parseApplication } from '../Parser/ApplicationParser';
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import { IApplicationState } from './IApplicationState';
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import { Script } from '../../domain/Script';
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import { Application } from '../../domain/Application';
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import { IApplicationCode } from './Code/IApplicationCode';
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/** Mutatable singleton application state that's the single source of truth throughout the application */
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export class ApplicationState implements IApplicationState {
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/** Get singleton application state */
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public static GetAsync(): Promise<IApplicationState> {
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return ApplicationState.instance.getValueAsync();
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}
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/** Application instance with all scripts. */
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private static instance = new AsyncLazy<IApplicationState>(() => {
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const application = parseApplication();
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const selectedScripts = new Array<Script>();
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const state = new ApplicationState(application, selectedScripts);
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return Promise.resolve(state);
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});
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public readonly code: IApplicationCode;
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public readonly stateChanged = new Signal<IApplicationState>();
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public readonly selection: IUserSelection;
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public readonly filter: IUserFilter;
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private constructor(
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/** Inner instance of the all scripts */
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public readonly app: Application,
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/** Initially selected scripts */
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public readonly defaultScripts: Script[]) {
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this.selection = new UserSelection(app, defaultScripts);
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this.code = new ApplicationCode(this.selection, app.version.toString());
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this.filter = new UserFilter(app);
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}
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}
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export { IApplicationState, IUserFilter };
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