microsoft/vscode-react-native

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for details.

import { Node } from "../../common/node/node";
import { ChildProcess } from "../../common/node/childProcess";

export class DefaultsHelper {
    private readonly DEV_MENU_SETTINGS = "RCTDevMenu";

    private nodeChildProcess: ChildProcess;

    constructor() {
        this.nodeChildProcess = new Node.ChildProcess();
    }

    public async setPlistBooleanProperty(
        plistFile: string,
        property: string,
        value: boolean,
    ): Promise<void> {
        // Attempt to set the value, and if it fails due to the key not existing attempt to create the key
        await this.invokeDefaultsCommand(
            `write ${plistFile} ${this.DEV_MENU_SETTINGS} -dict-add ${property} -bool ${value}`,
        );
    }

    private async invokeDefaultsCommand(command: string): Promise<string> {
        const res = await this.nodeChildProcess.exec(`defaults ${command}`);
        const outcome = await res.outcome;
        return outcome.toString().trim();
    }
}