57 lines
1.8 KiB
TypeScript
57 lines
1.8 KiB
TypeScript
import { Alert } from './gui/Alert'
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import { CreateKeyboardListeners } from './input/keyboard'
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import { Wush } from './shell/wush/Wush'
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import { Terminal } from './terminal/Terminal'
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import { EventBroadcaster } from './utils/EventBroadcaster'
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export const WEBSHELL_VERSION = "0.2.1"
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export const INFO_COMMENT: string | null = "hi"
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// initialize object store for webfs
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let WebfsDatabase: IDBDatabase | null = null
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const request = indexedDB.open("webshell")
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request.onupgradeneeded = event => {
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console.log("creating database")
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WebfsDatabase = (event.target as any).result as IDBDatabase
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WebfsDatabase.createObjectStore("webfs")
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}
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request.onerror = _ => {
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new Alert(
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"webfs error",
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"Failed to initialize the webfs database using IndexedDB. Make sure webshell does not have any IndexedDB related permissions disabled and try again.",
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'critical',
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).Show()
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}
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request.onsuccess = event => {
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WebfsDatabase = (event.target as any).result as IDBDatabase
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console.log("database initialized")
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// initialize the app after the database
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init()
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}
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export const GetWebfsDatabase = (): IDBDatabase | null => WebfsDatabase
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// terminal management
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let CurrentTerminal: Terminal
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export const SetCurrentTerminal = (terminal: Terminal) => CurrentTerminal = terminal
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export const GetCurrentTerminal = (): Terminal => CurrentTerminal
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// Initializes the app
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const init = async () => {
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const localBroadcaster = new EventBroadcaster()
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// creates keyboard listeners for the local event broadcaster
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CreateKeyboardListeners(
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(key: string, isCharacter: boolean) => localBroadcaster.emit('keydown', key, isCharacter),
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(key: string, isCharacter: boolean) => localBroadcaster.emit('keyup', key, isCharacter),
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)
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const terminal = new Terminal()
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await terminal.LoadShell(new Wush(localBroadcaster, terminal))
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}
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