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export async function extractEmbeddings(
worker,
weightsURL,
tokenizerURL,
configURL,
modelID,
sentences,
updateStatus,
normalize_embeddings = true
) {
return new Promise((resolve, reject) => {
worker.postMessage({
weightsURL,
tokenizerURL,
configURL,
modelID,
sentences,
normalize_embeddings,
});
function messageHandler(event) {
if ("error" in event.data) {
worker.removeEventListener("message", messageHandler);
reject(new Error(event.data.error));
}
if (event.data.status === "complete") {
worker.removeEventListener("message", messageHandler);
resolve(event.data);
}
if (updateStatus) updateStatus(event.data);
}
worker.addEventListener("message", messageHandler);
});
}
export async function generateText(
worker,
weightsURL,
tokenizerURL,
configURL,
modelID,
prompt,
params,
updateStatus
) {
return new Promise((resolve, reject) => {
worker.postMessage({
weightsURL,
tokenizerURL,
configURL,
modelID,
prompt,
params,
});
function messageHandler(event) {
if ("error" in event.data) {
worker.removeEventListener("message", messageHandler);
reject(new Error(event.data.error));
}
if (event.data.status === "complete") {
worker.removeEventListener("message", messageHandler);
resolve(event.data);
}
if (updateStatus) updateStatus(event.data);
}
worker.addEventListener("message", messageHandler);
});
}
export const MODELS = {
t5_small_quantized: {
size: "102 MB",
base_url: "https://huggingface.co/lmz/candle-quantized-t5/resolve/main/",
model: "model.gguf",
tokenizer: "tokenizer.json",
config: "config.json",
tasks: {
translation_en_to_de: {
prefix: "translate English to German: ",
max_length: 300,
},
translation_en_to_fr: {
prefix: "translate English to French: ",
max_length: 300,
},
translation_en_to_ro: {
prefix: "translate English to Romanian: ",
max_length: 300,
},
summarization: { prefix: "summarize: ", max_length: 200 },
},
},
t5_small: {
size: "242 MB",
base_url: "https://huggingface.co/t5-small/resolve/main/",
model: "model.safetensors",
tokenizer: "tokenizer.json",
config: "config.json",
tasks: {
translation_en_to_de: {
prefix: "translate English to German: ",
max_length: 300,
},
translation_en_to_fr: {
prefix: "translate English to French: ",
max_length: 300,
},
translation_en_to_ro: {
prefix: "translate English to Romanian: ",
max_length: 300,
},
summarization: { prefix: "summarize: ", max_length: 200 },
},
},
flan_t5_small: {
size: "308 MB",
base_url:
"https://huggingface.co/google/flan-t5-small/resolve/refs%2Fpr%2F14/",
model: "model.safetensors",
tokenizer: "tokenizer.json",
config: "config.json",
tasks: {
translation_en_to_de: {
prefix: "translate English to German: ",
max_length: 300,
},
translation_en_to_fr: {
prefix: "translate English to French: ",
max_length: 300,
},
translation_en_to_ro: {
prefix: "translate English to Romanian: ",
max_length: 300,
},
summarization: { prefix: "summarize: ", max_length: 200 },
},
},
flan_t5_base_quantized: {
size: "360 MB",
base_url: "https://huggingface.co/lmz/candle-quantized-t5/resolve/main/",
model: "model-flan-t5-base.gguf",
tokenizer: "tokenizer.json",
config: "config-flan-t5-base.json",
tasks: {
translation_en_to_de: {
prefix: "translate English to German: ",
max_length: 300,
},
translation_en_to_fr: {
prefix: "translate English to French: ",
max_length: 300,
},
translation_en_to_ro: {
prefix: "translate English to Romanian: ",
max_length: 300,
},
summarization: { prefix: "summarize: ", max_length: 200 },
},
},
};
export function getModelInfo(id, taskID) {
const model = MODELS[id];
return {
modelURL: model.base_url + model.model,
configURL: model.base_url + model.config,
tokenizerURL: model.base_url + model.tokenizer,
maxLength: model.tasks[taskID].max_length,
};
}
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