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Close mongo and casssandra terminal tabs once the shells are exited (#1183)

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* initial commit for closing terminal

* added extra case

* lint changes and hostee explorer fixes

* fixed lint errors

* fixed compile error

* fixed review comments
This commit is contained in:
Srinath Narayanan
2022-01-10 11:58:35 -08:00
committed by GitHub
parent 591782195d
commit b765cae088
9 changed files with 95 additions and 10 deletions
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43
src/Terminal/JupyterLabAppFactory.ts
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@@ -2,15 +2,48 @@
* JupyterLab applications based on jupyterLab components
*/
import { ServerConnection, TerminalManager } from "@jupyterlab/services";
import { IMessage } from "@jupyterlab/services/lib/terminal/terminal";
import { Terminal } from "@jupyterlab/terminal";
import { Panel, Widget } from "@phosphor/widgets";
import { userContext } from "UserContext";
export class JupyterLabAppFactory {
public static async createTerminalApp(serverSettings: ServerConnection.ISettings) {
private isShellClosed: boolean;
private onShellExited: () => void;
private checkShellClosed: ((content: string | undefined) => boolean | undefined) | undefined;
constructor(closeTab: () => void) {
this.onShellExited = closeTab;
this.isShellClosed = false;
this.checkShellClosed = undefined;
switch (userContext.apiType) {
case "Mongo":
this.checkShellClosed = JupyterLabAppFactory.isMongoShellClosed;
break;
case "Cassandra":
this.checkShellClosed = JupyterLabAppFactory.isCassandraShellClosed;
break;
}
}
public async createTerminalApp(serverSettings: ServerConnection.ISettings) {
const manager = new TerminalManager({
serverSettings: serverSettings,
});
const session = await manager.startNew();
session.messageReceived.connect(async (_, message: IMessage) => {
const content = message.content && message.content[0]?.toString();
if (this.checkShellClosed && message.type == "stdout") {
//Close the terminal tab once the shell closed messages are received
if (this.checkShellClosed(content)) {
this.isShellClosed = true;
} else if (content?.includes("cosmosuser@") && this.isShellClosed) {
this.onShellExited();
}
}
}, this);
const term = new Terminal(session, { theme: "dark", shutdownOnClose: true });
if (!term) {
@@ -38,4 +71,12 @@ export class JupyterLabAppFactory {
panel.dispose();
});
}
private static isMongoShellClosed(content: string | undefined) {
return content?.endsWith("bye\r\n") || (content?.includes("Stopped") && content?.includes("mongo --host"));
}
private static isCassandraShellClosed(content: string | undefined) {
return content == "\r\n" || (content?.includes("Stopped") && content?.includes("cqlsh"));
}
}