http-server / index.js
Ron Au
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if (document.location.search.includes("dark-theme=true")) {
document.body.classList.add("dark-theme");
}
const textToImage = async (text) => {
const inferenceResponse = await fetch(`infer_biggan?input=${text}`);
const inferenceBlob = await inferenceResponse.blob();
return URL.createObjectURL(inferenceBlob);
};
const translateText = async (text) => {
const inferResponse = await fetch(`infer_t5?input=${text}`);
const inferJson = await inferResponse.json();
return inferJson.output;
};
const queryDataset = async (start, end) => {
const queryResponse = await fetch(`query_emotion?start=${start}&end=${end}`);
const queryJson = await queryResponse.json();
return queryJson.output;
};
const updateTable = async (cursor, range = 5) => {
const table = document.querySelector(".dataset-output");
const fragment = new DocumentFragment();
const observations = await queryDataset(cursor, cursor + range);
for (const observation of observations) {
let row = document.createElement("tr");
let text = document.createElement("td");
let emotion = document.createElement("td");
text.textContent = observation.text;
emotion.textContent = observation.emotion;
row.appendChild(text);
row.appendChild(emotion);
fragment.appendChild(row);
}
table.innerHTML = "";
table.appendChild(fragment);
table.insertAdjacentHTML(
"afterbegin",
`<thead>
<tr>
<td>text</td>
<td>emotion</td>
</tr>
</thead>`
);
};
const imageGenSelect = document.getElementById("image-gen-input");
const imageGenImage = document.querySelector(".image-gen-output");
const textGenForm = document.querySelector(".text-gen-form");
const tableButtonPrev = document.querySelector(".table-previous");
const tableButtonNext = document.querySelector(".table-next");
let cursor = 0;
const RANGE = 5;
const LIMIT = 16_000;
imageGenSelect.addEventListener("change", async (event) => {
const value = event.target.value;
try {
imageGenImage.src = await textToImage(value);
} catch (err) {
console.error(err);
}
});
textGenForm.addEventListener("submit", async (event) => {
event.preventDefault();
const textGenInput = document.getElementById("text-gen-input");
const textGenParagraph = document.querySelector(".text-gen-output");
try {
textGenParagraph.textContent = await translateText(textGenInput.value);
} catch (err) {
console.error(err);
}
});
tableButtonPrev.addEventListener("click", () => {
cursor = cursor > RANGE ? cursor - RANGE : 0;
if (cursor < RANGE) {
tableButtonPrev.classList.add("hidden");
}
if (cursor < LIMIT - RANGE) {
tableButtonNext.classList.remove("hidden");
}
updateTable(cursor);
});
tableButtonNext.addEventListener("click", () => {
cursor = cursor < LIMIT - RANGE ? cursor + RANGE : cursor;
if (cursor >= RANGE) {
tableButtonPrev.classList.remove("hidden");
}
if (cursor >= LIMIT - RANGE) {
tableButtonNext.classList.add("hidden");
}
updateTable(cursor);
});
textToImage(imageGenSelect.value)
.then((image) => (imageGenImage.src = image))
.catch(console.error);
updateTable(cursor)
.then((image) => (imageGenImage.src = image))
.catch(console.error);