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refactor: update code to use latest API changes #1

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42 changes: 16 additions & 26 deletions app/prompt/page.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -10,21 +10,14 @@ import { Slider } from '@/components/ui/slider';
import { Switch } from '@/components/ui/switch';
import { Label } from '@/components/ui/label';

interface ModelCapabilities {
available: 'readily' | 'after-download' | 'no';
defaultTopK?: number;
maxTopK?: number;
defaultTemperature?: number;
}

export default function PromptPage() {
const [prompt, setPrompt] = useState('');
const [response, setResponse] = useState('');
const [isAvailable, setIsAvailable] = useState<boolean | null>(null);
const [isStreaming, setIsStreaming] = useState(false);
const [capabilities, setCapabilities] = useState<ModelCapabilities | null>(null);
const [temperature, setTemperature] = useState(0.7);
const [topK, setTopK] = useState<number>(40);
const [params, setParams] = useState<LanguageModelParams | null>(null);
const [temperature, setTemperature] = useState(0);
const [topK, setTopK] = useState<number>(0);
const [systemPrompt, setSystemPrompt] = useState('');
const [tokenCount, setTokenCount] = useState<number | null>(null);
const [isLoading, setIsLoading] = useState(false);
Expand All @@ -41,24 +34,21 @@ export default function PromptPage() {

const checkAvailability = async () => {
try {
// @ts-ignore
if (!ai?.languageModel) {
if (!LanguageModel) {
setIsAvailable(false);
return;
}

// @ts-ignore
const caps = await ai.languageModel.capabilities();
setCapabilities(caps);
console.log('Language Model capabilities:', caps);

if (caps.available === 'readily' || caps.available === 'after-download') {
const availability = await LanguageModel.availability();
if (availability === 'available') {
setIsAvailable(true);
// @ts-ignore
const model = await ai.languageModel.create();
const model = await LanguageModel.create();
modelRef.current = model;
setTemperature(caps.defaultTemperature ?? 0.7);
setTopK(caps.defaultTopK ?? 40);

const params = await LanguageModel.params();
setParams(params);
setTemperature(params.defaultTemperature ?? 0.7);
setTopK(params.defaultTopK ?? 3);
} else {
setIsAvailable(false);
}
Expand All @@ -71,7 +61,7 @@ export default function PromptPage() {
const countTokens = async () => {
if (!prompt.trim() || !modelRef.current) return;
try {
const count = await modelRef.current.countPromptTokens(prompt);
const count = await modelRef.current.measureInputUsage(prompt);
setTokenCount(count);
} catch (error) {
console.error('Failed to count tokens:', error);
Expand Down Expand Up @@ -105,7 +95,7 @@ export default function PromptPage() {
while (true) {
const { done, value } = await reader.read();
if (done) break;
accumulated = value;
accumulated += value;
setResponse(accumulated);
}
} else {
Expand Down Expand Up @@ -192,7 +182,7 @@ export default function PromptPage() {
<Slider
value={[temperature]}
min={0}
max={1}
max={params?.maxTemperature}
step={0.1}
onValueChange={([value]) => setTemperature(value)}
/>
Expand All @@ -203,7 +193,7 @@ export default function PromptPage() {
<Slider
value={[topK]}
min={1}
max={capabilities?.maxTopK ?? 100}
max={params?.maxTopK}
step={1}
onValueChange={([value]) => setTopK(value)}
/>
Expand Down
8 changes: 8 additions & 0 deletions package-lock.json
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1 change: 1 addition & 0 deletions package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,7 @@
"tailwindcss-animate": "^1.0.7"
},
"devDependencies": {
"@types/dom-chromium-ai": "^0.0.7",
"@types/node": "^20",
"@types/react": "^18",
"@types/react-dom": "^18",
Expand Down