askeroo/dist/examples/stream-real-command.js

A modern CLI prompt library with flow control, history navigation, and conditional prompts

import { ask, stream, note, spawnWithColors } from "../src/index.js";
/**
 * Example of streaming real command output
 * This example shows how to capture output from actual shell commands
 * with automatic ANSI color preservation
 */
async function runCommand(command, args, label) {
    const output = await stream(label || `Running: ${command} ${args.join(" ")}`, {
        maxLines: 25,
    });
    return new Promise((resolve, reject) => {
        // Use spawnWithColors to preserve ANSI colors from commands
        const proc = spawnWithColors(command, args);
        proc.stdout.on("data", (data) => {
            output.write(data.toString());
        });
        proc.stderr.on("data", (data) => {
            output.write(data.toString());
        });
        proc.on("error", (err) => {
            output.error(`Failed to start command: ${err.message}`);
            reject(err);
        });
        proc.on("close", (code) => {
            if (code === 0) {
                output.complete(`✓ Command completed successfully (exit code: ${code})`);
                resolve(code || 0);
            }
            else {
                output.error(`✗ Command failed with exit code: ${code}`);
                resolve(code || 1);
            }
        });
    });
}
async function npmInstall(packages) {
    return runCommand("npm", ["install", ...packages], `Installing ${packages.join(", ")}...`);
}
async function gitStatus() {
    return runCommand("git", ["status"], "Git Status");
}
async function listFiles() {
    return runCommand("ls", ["-lah"], "Directory Listing");
}
async function runTests() {
    return runCommand("npm", ["test"], "Running Tests");
}
// Example usage
const flow = async () => {
    // Example 1: List files in current directory
    await note("\n=== Listing Files ===\n");
    await listFiles();
    // Example 2: Git status
    await note("\n\n=== Git Status ===\n");
    await gitStatus();
    // Example 3: Install packages (commented out to avoid actually installing)
    // console.log("\n\n=== Installing Packages ===\n");
    // await npmInstall(['chalk', 'commander']);
    // Example 4: Run tests (if you have tests configured)
    // console.log("\n\n=== Running Tests ===\n");
    // try {
    //   await runTests();
    // } catch (err) {
    //   console.error("Tests failed");
    // }
    return "All commands completed!";
};
(async () => {
    try {
        const result = await ask(flow);
        console.log("\n" + result);
    }
    catch (error) {
        console.error("Error:", error);
        process.exit(1);
    }
})();
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