humeAi.js

const createJob = async (image) => {
    const url = 'https://api.hume.ai/v0/batch/jobs';
    const formData = new FormData();
    formData.append('file', image);

    const response = await fetch(url, {
        method: 'POST',
        headers: {
            'X-Hume-Api-Key': process.env.HUME_API_KEY,
            'Accept': 'application/json',
        },
        body: formData
    });

    if (!response.ok) {
        const errorResponse = await response.text();
        throw new Error(`HTTP error! status: ${response.status}`);
    }

    return await response.json();
}

const getJob = async (jobId) => {
    const url = `https://api.hume.ai/v0/batch/jobs/${jobId}/predictions`;
    const response = await fetch(url, {
        method: 'GET',
        headers: {
            'X-Hume-Api-Key': process.env.HUME_API_KEY,
            'accept': 'application/json; charset=utf-8',
        },
    });

    if (!response.ok) {
        const errorResponse = await response.text();
        throw new Error(`HTTP error! status: ${response.status}`);
    }

    return await response.json();
}

const pollJob = async (jobId) => {
    return new Promise((resolve, reject) => {
        const interval = setInterval(async () => {
            const jobResult = await getJob(jobId).catch((e) => ({ status: 400 }));
            if (jobResult.status === 400) {
                console.log('Job is still queued. Keep polling...');
            } else if (jobResult?.[0]?.results?.predictions?.[0]?.models?.language?.grouped_predictions) {
                clearInterval(interval);
                resolve(jobResult);
            }
        }, 1000);
    });
}

const processJob = async (image) => {
    try {
        const job = await createJob(image);
        const result = await pollJob(job.job_id);
        const topEmotions = result[0].results.predictions[0].models.language.grouped_predictions[0].predictions[0].emotions.sort((a, b) => b.score - a.score).slice(0, 3);
        console.log(topEmotions);
    } catch (error) {
        console.error(error);
    }
}

processJob('louis.jpg');
processJob('louis2.jpg');
processJob('louis3.png');
processJob('louis4.jpg');