askeroo/dist/examples/onsubmit-file-logging.js

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

import { ask } from "../src/index.js";
import { writeFileSync, appendFileSync } from "fs";
async function onSubmitWithFileLogging() {
    console.log("=== onSubmit Callback with File Logging Example ===\n");
    console.log("This example demonstrates onSubmit callbacks by writing to a log file.\n");
    const logFile = "user-interactions.log";
    // Clear the log file
    writeFileSync(logFile, "User Interaction Log\n===================\n\n");
    const result = await ask(async ({ text, radio, multi, confirm }) => {
        // Text input with onSubmit callback that logs to file
        const name = await text({
            label: "What's your name?",
            onSubmit: (value) => {
                appendFileSync(logFile, `[${new Date().toISOString()}] Text submitted: "${value}"\n`);
            },
        });
        // Radio input with onSubmit callback that logs to file
        const color = await radio({
            label: "What's your favorite color?",
            options: [
                { value: "red", label: "Red" },
                { value: "blue", label: "Blue" },
                { value: "green", label: "Green" },
            ],
            onSubmit: (value) => {
                appendFileSync(logFile, `[${new Date().toISOString()}] Radio submitted: "${value}"\n`);
            },
        });
        // Multi-select with onSubmit callback that logs to file
        const hobbies = await multi({
            label: "What are your hobbies?",
            options: ["Reading", "Gaming", "Cooking", "Sports", "Music"],
            onSubmit: (values) => {
                appendFileSync(logFile, `[${new Date().toISOString()}] Multi submitted: [${values.join(", ")}]\n`);
            },
        });
        // Confirm with onSubmit callback that logs to file
        const likesPizza = await confirm({
            label: "Do you like pizza?",
            onSubmit: (value) => {
                appendFileSync(logFile, `[${new Date().toISOString()}] Confirm submitted: ${value}\n`);
            },
        });
        return { name, color, hobbies, likesPizza };
    });
    console.log("\n=== Final Result ===");
    console.log(JSON.stringify(result, null, 2));
    console.log(`\n✅ All onSubmit callbacks were executed! Check ${logFile} to see the logged interactions.`);
}
onSubmitWithFileLogging().catch(console.error);
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