Prompt API

const session = await LanguageModel.create({   monitor(m) {     m.addEventListener("downloadprogress", (e) => {       console.log(`Downloaded ${e.loaded * 100}%`);     });   }, }); 

await LanguageModel.params(); // {defaultTopK: 3, maxTopK: 8, defaultTemperature: 1, maxTemperature: 2} 

const params = await LanguageModel.params(); // Initializing a new session must either specify both `topK` and // `temperature` or neither of them. const slightlyHighTemperatureSession = await LanguageModel.create({   temperature: Math.max(params.defaultTemperature * 1.2, 2.0),   topK: params.defaultTopK, }); 

const controller = new AbortController(); stopButton.onclick = () => controller.abort();  const session = await LanguageModel.create({   signal: controller.signal, }) 

const session = await LanguageModel.create({   initialPrompts: [     { role: 'system', content: 'You are a helpful and friendly assistant.' },     { role: 'user', content: 'What is the capital of Italy?' },     { role: 'assistant', content: 'The capital of Italy is Rome.'},     { role: 'user', content: 'What language is spoken there?' },     { role: 'assistant', content: 'The official language of Italy is Italian. [...]' }   ] }); 

console.log(`${session.inputUsage}/${session.inputQuota}`); 

const session = await LanguageModel.create({   initialPrompts: [{     role: "system",     content: "You are a friendly, helpful assistant specialized in clothing choices."   }] });  const result1 = await session.prompt(   "What should I wear today? It is sunny. I am unsure between a t-shirt and a polo." ); console.log(result1);  const result2 = await session.prompt(   "That sounds great, but oh no, it is actually going to rain! New advice?" ); console.log(result2); 

const controller = new AbortController(); stopButton.onclick = () => controller.abort();  const clonedSession = await session.clone({   signal: controller.signal, }); 

// Start by checking if it's possible to create a session based on the // availability of the model, and the characteristics of the device. const {defaultTemperature, maxTemperature, defaultTopK, maxTopK } =   await LanguageModel.params();  const available = await LanguageModel.availability();  if (available !== 'unavailable') {   const session = await LanguageModel.create();    // Prompt the model and wait for the whole result to come back.   const result = await session.prompt("Write me a poem!");   console.log(result); } 

const {defaultTemperature, maxTemperature, defaultTopK, maxTopK } =   await LanguageModel.params();  const available = await LanguageModel.availability(); if (available !== 'unavailable') {   const session = await LanguageModel.create();    // Prompt the model and stream the result:   const stream = session.promptStreaming('Write me an extra-long poem!');   for await (const chunk of stream) {     console.log(chunk);   } } 

const controller = new AbortController(); stopButton.onclick = () => controller.abort();  const result = await session.prompt(   'Write me a poem!',   { signal: controller.signal } ); 

await session.prompt(   "You are a friendly, helpful assistant specialized in clothing choices." );  session.destroy();  // The promise is rejected with an error explaining that // the session is destroyed. await session.prompt(   "What should I wear today? It is sunny, and I am unsure between a   t-shirt and a polo." );