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index.js
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index.js
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import ora from "ora";
console.log("Running 'ora' demo - ESM");
runDemo();
// Main function.
function runDemo()
{
var spinnerObj = ora("Performing Task").start();
// Perform async task.
simulateTask(function (taskErr, taskRes)
{
// Task complete.
if (taskErr !== null)
{
spinnerObj.fail("Task Failed");
console.log(taskErr.message);
}
else
{
spinnerObj.succeed("Task Successful");
}
});
}
// Simulates an async task where a loading spinner would be used.
function simulateTask(taskCallback)
{
var timerLength = getDelayLength();
var resultFlag = getResult();
// Wait for a random amount of time.
setTimeout(function()
{
// Task complete.
if (resultFlag > 0)
{
// Successful.
return taskCallback(null, true);
}
else
{
// Error.
return taskCallback(new Error("Something bad happened"), null);
}
}, timerLength);
}
// Randomly decides length of simulated task, 1 to 3 seconds.
function getDelayLength()
{
var minDelay = 1000;
var maxDelay = 3000;
var randomSeed = Math.random() * (maxDelay - minDelay);
var delayRes = Math.round(minDelay + randomSeed);
return delayRes;
}
// Randomly decides whether simulated task is successful, 50-50.
function getResult()
{
var randomSeed = Math.random();
var chosenFlag = Math.round(randomSeed);
return chosenFlag;
}