Added the code for the latest video...late as usual

Signed-off-by: Matt Williams <m@technovangelist.com>

2024-08-01-anotherfunctioncallingvideo/.gitignore

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+
+# Logs
+
+logs
+_.log
+npm-debug.log_
+yarn-debug.log*
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+
+.cache
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+
+report.[0-9]_.[0-9]_.[0-9]_.[0-9]_.json
+
+# Runtime data
+
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+_.seed
+*.pid.lock
+
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+lib-cov
+
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2024-08-01-anotherfunctioncallingvideo/README.md

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+# 2024-08-01-anotherfunctioncallingvideo
+
+This code was used in a video on 2024-08-01 to show how to use function calling with Ollama. Yes, there are two other videos on this topic, but this one covers a newer technique. Unfortunately the newer technique isn't as reliable as the older one, at least not yet. Hopefully it will be soon. 
+
+I use Bun to run this. You can find the video here: https://youtu.be/hb5iwDpsPwc
+

2024-08-01-anotherfunctioncallingvideo/index.ts

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+import ollama from "ollama";
+
+async function WeatherFromCity(city: string) {
+	const output = await fetch(
+		`https://nominatim.openstreetmap.org/search?q=${city}&format=json`,
+	);
+	const json = await output.json();
+	const lat = json[0].lat;
+	const lon = json[0].lon;
+	return await WeatherFromLatLon(lat, lon);
+}
+
+async function WeatherFromLatLon(latitude: string, longitude: string) {
+	const output = await fetch(
+		`https://api.open-meteo.com/v1/forecast?latitude=${latitude}&longitude=${longitude}&current=temperature_2m&temperature_unit=fahrenheit&wind_speed_unit=mph&forecast_days=1`,
+	);
+
+	const json = await output.json();
+	return `${json.current.temperature_2m} degrees Farenheit`;
+}
+
+const model = "firefunction-v2";
+const prompt = "What is the weather in Paris?";
+const messages = [{ role: "user", content: prompt }];
+
+const response = await ollama.chat({
+	model: model,
+	messages: messages,
+	stream: false,
+	tools: [
+		{
+			type: "function",
+			function: {
+				name: "WeatherFromCity",
+				description: "Get the weather for a given city",
+				parameters: {
+					type: "object",
+					properties: {
+						city: {
+							type: "string",
+							description: "The city to get the weather for",
+						},
+					},
+					required: ["city"],
+				},
+			},
+		},
+		{
+			type: "function",
+			function: {
+				name: "WeatherFromLatLon",
+				description: "Get the weather for a specific latitude and longitude",
+				parameters: {
+					type: "object",
+					properties: {
+						latitude: {
+							type: "string",
+							description: "latitude for the location",
+						},
+						longitude: {
+							type: "string",
+							description: "longitude for the location",
+						},
+					},
+					required: ["latitude", "longitude"],
+				},
+			},
+		},
+	],
+});
+
+messages.push(response.message);
+
+if (!response.message.tool_calls || response.message.tool_calls.length === 0) {
+	// console.log("The model didn't use the function. Its response was:");
+	// console.log(response.message.content);
+} else {
+	for (const t of response.message.tool_calls) {
+		// console.log(
+		// 	`The model used the function ${t.function.name} with parameters ${JSON.stringify(t.function.arguments)}`,
+		// );
+		let functionoutput = "";
+		switch (t.function.name) {
+			case "WeatherFromCity":
+				functionoutput = await WeatherFromCity(t.function.arguments.city);
+				break;
+			case "WeatherFromLatLon":
+				functionoutput = await WeatherFromLatLon(
+					t.function.arguments.latitude,
+					t.function.arguments.longitude,
+				);
+				break;
+		}
+		messages.push({ role: "tool", content: functionoutput });
+		const response2 = await ollama.chat({
+			model: model,
+			messages: messages,
+			stream: false,
+		});
+
+		console.log(JSON.stringify(messages, null, 2));
+		console.log(response2.message.content);
+    console.log(`This used the model: ${model}`);
+	}
+
+	// console.log(response.message.content);
+}

2024-08-01-anotherfunctioncallingvideo/package.json

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+{
+  "name": "2024-08-01-anotherfunctioncallingvideo",
+  "module": "index.ts",
+  "type": "module",
+  "devDependencies": {
+    "@types/bun": "latest"
+  },
+  "peerDependencies": {
+    "typescript": "^5.0.0"
+  },
+  "dependencies": {
+    "ollama": "^0.5.6"
+  }
+}

2024-08-01-anotherfunctioncallingvideo/tsconfig.json

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+{
+  "compilerOptions": {
+    // Enable latest features
+    "lib": ["ESNext", "DOM"],
+    "target": "ESNext",
+    "module": "ESNext",
+    "moduleDetection": "force",
+    "jsx": "react-jsx",
+    "allowJs": true,
+
+    // Bundler mode
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": true,
+    "noEmit": true,
+
+    // Best practices
+    "strict": true,
+    "skipLibCheck": true,
+    "noFallthroughCasesInSwitch": true,
+
+    // Some stricter flags (disabled by default)
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "noPropertyAccessFromIndexSignature": false
+  }
+}