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1. ã»ã³ãµãŒããŒã¿åã®å®çŸ©
æåã®ã¹ãããã¯ãã»ã³ãµãŒããŒã¿ã®æ§é ã衚ãTypeScriptã€ã³ã¿ãŒãã§ãŒã¹ãŸãã¯åãå®çŸ©ããããšã§ããããšãã°ã倧æ°è³ªããŒã¿ã®ã€ã³ã¿ãŒãã§ãŒã¹ãå®çŸ©ããŠã¿ãŸãããã
interface AirQualityData {
timestamp: Date;
location: string;
particulateMatter25: number; // PM2.5 (Όg/m³)
particulateMatter10: number; // PM10 (Όg/m³)
ozone: number; // O3 (ppb)
carbonMonoxide: number; // CO (ppm)
nitrogenDioxide: number; // NO2 (ppb)
sulfurDioxide: number; // SO2 (ppb)
}
ãã®ã€ã³ã¿ãŒãã§ãŒã¹ã¯ãããŸããŸãªå€§æ°è³ªãã©ã¡ãŒã¿ã®æåŸ ãããããŒã¿åãæå®ããŸããåæ§ã«ã氎質ãšå壿°ŽåããŒã¿ã®ã€ã³ã¿ãŒãã§ãŒã¹ãå®çŸ©ã§ããŸãã
interface WaterQualityData {
timestamp: Date;
location: string;
pH: number;
dissolvedOxygen: number; // mg/L
turbidity: number; // NTU
temperature: number; // °C
conductivity: number; // ÎŒS/cm
}
interface SoilMoistureData {
timestamp: Date;
location: string;
moistureContent: number; // Percentage
temperature: number; // °C
salinity: number; // EC (dS/m)
}
2. ã»ã³ãµãŒããŒã¿ã®æ€èšŒ
ããŒã¿åãå®çŸ©ãããããTypeScriptã䜿çšããŠãã»ã³ãµãŒããŒã¿ãåä¿¡ããããšãã«ãããæ€èšŒã§ããŸããããã¯ãããŒã¿ãå®çŸ©ãããã€ã³ã¿ãŒãã§ãŒã¹ã«æºæ ããŠãããã©ããããã§ãã¯ãã颿°ã䜿çšããŠè¡ãããšãã§ããŸããããšãã°ã次ã®ããã«ãªããŸãã
function isValidAirQualityData(data: any): data is AirQualityData {
return (
typeof data === 'object' &&
data !== null &&
data.timestamp instanceof Date &&
typeof data.location === 'string' &&
typeof data.particulateMatter25 === 'number' &&
typeof data.particulateMatter10 === 'number' &&
typeof data.ozone === 'number' &&
typeof data.carbonMonoxide === 'number' &&
typeof data.nitrogenDioxide === 'number' &&
typeof data.sulfurDioxide === 'number'
);
}
function processAirQualityData(data: any) {
if (isValidAirQualityData(data)) {
// Process the validated data
console.log("Air quality data is valid:", data);
// Further processing logic here (e.g., storing in a database)
} else {
console.error("Invalid air quality data:", data);
// Handle invalid data (e.g., log the error, discard the data)
}
}
ãã®é¢æ°ã¯ãæäŸãããããŒã¿ãªããžã§ã¯ãã`AirQualityData`ã€ã³ã¿ãŒãã§ãŒã¹ã«æºæ ããŠãããã©ããããã§ãã¯ããŸããããŒã¿ãæå¹ãªå Žåã¯ãããã«åŠçã§ããŸããããã§ãªãå Žåã¯ããšã©ãŒããã°ã«èšé²ãããé©åãªã¢ã¯ã·ã§ã³ãå®è¡ã§ããŸãã
3. IoTãã©ãããã©ãŒã ã§ã®TypeScriptã®äœ¿çš
å€ãã®IoTãã©ãããã©ãŒã ã¯ãTypeScriptã§äœ¿çšã§ããSDKïŒSoftware Development KitïŒãæäŸããŠããŸãããããã®SDKã«ã¯ããã©ãããã©ãŒã åºæã®APIã®åå®çŸ©ãå«ãŸããŠããããšãå€ããTypeScriptãæ¢åã®IoTã¯ãŒã¯ãããŒã«çµ±åããããšã容æã«ãªããŸããããšãã°ãAWS IoT Device SDKãTypeScriptã§äœ¿çšããããšãæ€èšããŠãã ãããAWSã¯TypeScriptå®çŸ©ãæäŸããŠããã確ç«ãããåã«æºæ ããããã€ã¹ãäœæã§ããŸããåæ§ã«ãAzure IoT Hubããã³Google Cloud IoT PlatformãTypeScriptããµããŒãããŠããŸãã
TypeScriptã䜿çšããŠIoTãã©ãããã©ãŒã ã§ã»ã³ãµãŒããŒã¿ãåä¿¡ããã³åŠçããæ¹æ³ã®æŠå¿µçãªäŸã次ã«ç€ºããŸãã
// Assuming you have an IoT platform SDK with TypeScript definitions
import { IoTClient, SubscribeCommand } from "@aws-sdk/client-iot"; //Example AWS IoT SDK
const iotClient = new IoTClient({ region: "YOUR_REGION" });
const topic = "sensor/airquality";
const subscribeCommand = new SubscribeCommand({
topic: topic,
qos: 0
});
//Simulate receiving data from sensor - In a real implementation you would use the SDK
const incomingData = {
timestamp: new Date(),
location: "London",
particulateMatter25: 12.5,
particulateMatter10: 20.1,
ozone: 45.8,
carbonMonoxide: 1.2,
nitrogenDioxide: 30.5,
sulfurDioxide: 8.9
};
function handleSensorData(data: any) {
processAirQualityData(data);
}
handleSensorData(incomingData);
//iotClient.send(subscribeCommand); //In a real implementation you would subscribe to the MQTT topic
ãã®äŸã¯ãTypeScriptã䜿çšããŠã»ã³ãµãŒããŒã¿ã®æ§é ãå®çŸ©ããåŠçåã«æ€èšŒããæ¹æ³ã瀺ããŠããŸãããã®ã¢ãããŒãã¯ãæå¹ãªããŒã¿ã®ã¿ãåæãšå ±åã«äœ¿çšãããããã«ããã®ã«åœ¹ç«ã¡ãŸãã
4. ããŸããŸãªããŒã¿ãœãŒã¹ãšåœ¢åŒã®åŠç
ç°å¢ã¢ãã¿ãªã³ã°ã«ã¯ããããããç¬èªã®åœ¢åŒãšæ§é ãæã€ããŸããŸãªãœãŒã¹ããã®ããŒã¿ã®çµ±åãããå«ãŸããŸããTypeScriptã䜿çšããŠããããã®éãã«å¯Ÿå¿ããçµ±äžãããããŒã¿ã¢ãã«ãäœæã§ããŸããããšãã°ãäžéšã®ã»ã³ãµãŒãæž©åºŠãææ°ã§ãä»ã®ã»ã³ãµãŒãè¯æ°ã§å ±åããå Žåãåå®å šãªå€æé¢æ°ãäœæã§ããŸãã
function celsiusToFahrenheit(celsius: number): number {
return (celsius * 9) / 5 + 32;
}
interface UnifiedSensorData {
timestamp: Date;
location: string;
temperatureCelsius?: number; // Optional Celsius temperature
temperatureFahrenheit?: number; // Optional Fahrenheit temperature
}
function processSensorData(data: any) {
let unifiedData: UnifiedSensorData = {
timestamp: new Date(),
location: "Unknown"
};
if (data.temperatureCelsius) {
unifiedData.temperatureCelsius = data.temperatureCelsius;
} else if (data.temperatureFahrenheit) {
//Convert to Celsius for a standard value
unifiedData.temperatureCelsius = (data.temperatureFahrenheit - 32) * 5 / 9;
}
console.log("Standardized Temperature (Celsius):", unifiedData.temperatureCelsius);
//Perform analysis
}
//Example Usage
const sensorDataCelsius = { temperatureCelsius: 25 };
const sensorDataFahrenheit = { temperatureFahrenheit: 77 };
processSensorData(sensorDataCelsius);
processSensorData(sensorDataFahrenheit);
ãã®äŸã¯ãTypeScriptãããŸããŸãªããŒã¿åœ¢åŒãåŠçããåå®å šæ§ãç¶æããªããå¿ èŠãªå€æãå®è¡ããæ¹æ³ã瀺ããŠããŸãã
ç°å¢ã¢ãã¿ãªã³ã°ã®ããã®é«åºŠãªTypeScriptæè¡
åºæ¬çãªåå®çŸ©ãšæ€èšŒãè¶ ããŠãTypeScriptã¯ãç°å¢ã¢ãã¿ãªã³ã°ã¢ããªã±ãŒã·ã§ã³ã®ä¿¡é Œæ§ãšä¿å®æ§ãããã«åäžãããããšãã§ããããã€ãã®é«åºŠãªæ©èœãæäŸããŸãã
1. ãžã§ããªã¯ã¹
ãžã§ããªã¯ã¹ã䜿çšãããšãããŸããŸãªçš®é¡ã®ã»ã³ãµãŒããŒã¿ã§æ©èœããåå©çšå¯èœãªã³ãŒããäœæã§ããŸããããšãã°ãç¹å®ã®åºæºã«åºã¥ããŠã»ã³ãµãŒããŒã¿ããã£ã«ã¿ãªã³ã°ãããžã§ããªãã¯é¢æ°ãäœæã§ããŸãã
function filterSensorData<T>(data: T[], predicate: (item: T) => boolean): T[] {
return data.filter(predicate);
}
//Example of filtering AirQualityData by PM2.5 levels
const airQualityReadings: AirQualityData[] = [
{
timestamp: new Date(),
location: "Beijing",
particulateMatter25: 150,
particulateMatter10: 200,
ozone: 50,
carbonMonoxide: 2,
nitrogenDioxide: 40,
sulfurDioxide: 10
},
{
timestamp: new Date(),
location: "London",
particulateMatter25: 10,
particulateMatter10: 15,
ozone: 30,
carbonMonoxide: 0.5,
nitrogenDioxide: 20,
sulfurDioxide: 5
}
];
const highPM25Readings = filterSensorData(airQualityReadings, reading => reading.particulateMatter25 > 100);
console.log("High PM2.5 readings:", highPM25Readings);
2. å€å¥å ±çšäœ
å€å¥å ±çšäœã¯ãããã€ãã®ç°ãªãåã®ãã¡ã®1ã€ã«ã§ããããŒã¿ã衚çŸããã®ã«åœ¹ç«ã¡ãŸããããã¯ãããŸããŸãªçš®é¡ã®ã»ã³ãµãŒãããŸããŸãªçš®é¡ã®ããŒã¿ãæäŸããå Žåã«åœ¹ç«ã¡ãŸããããšãã°ã枩床ãŸãã¯æ¹¿åºŠãå ±åããã»ã³ãµãŒãããå ŽåããããŸãã
interface TemperatureReading {
type: 'temperature';
value: number; // in Celsius
location: string;
timestamp: Date;
}
interface HumidityReading {
type: 'humidity';
value: number; // Percentage
location: string;
timestamp: Date;
}
type SensorReading = TemperatureReading | HumidityReading;
function processSensorReading(reading: SensorReading) {
switch (reading.type) {
case 'temperature':
console.log(`Temperature at ${reading.location}: ${reading.value}°C`);
break;
case 'humidity':
console.log(`Humidity at ${reading.location}: ${reading.value}%`);
break;
default:
console.error(`Unknown sensor reading type: ${reading}`);
}
}
const temperatureData: TemperatureReading = {
type: 'temperature',
value: 25,
location: 'Tokyo',
timestamp: new Date()
};
const humidityData: HumidityReading = {
type: 'humidity',
value: 60,
location: 'Sydney',
timestamp: new Date()
};
processSensorReading(temperatureData);
processSensorReading(humidityData);
3. ãã³ã¬ãŒã¿
ãã³ã¬ãŒã¿ã¯ãã¡ã¿ããŒã¿ã远å ããããã¯ã©ã¹ãã¡ãœããããŸãã¯ããããã£ã®åäœã倿Žãããããæ¹æ³ãæäŸããŸãããã³ã¬ãŒã¿ã䜿çšããŠãã«ã¹ã¿ã æ€èšŒããžãã¯ãå®è£ ããããã»ã³ãµãŒããŒã¿ãèªåçã«ã·ãªã¢ã«åããã³éã·ãªã¢ã«åãããã§ããŸãã
function validate(target: any, propertyKey: string, descriptor: PropertyDescriptor) {
const originalMethod = descriptor.value;
descriptor.value = function (...args: any[]) {
// Validation logic here
for (const arg of args) {
if (typeof arg !== 'number') {
throw new Error(`Invalid argument type for ${propertyKey}. Expected number, got ${typeof arg}`);
}
}
return originalMethod.apply(this, args);
};
}
class SensorDataProcessor {
@validate
processTemperature(temperature: number) {
console.log(`Processing temperature: ${temperature}`);
}
}
const processor = new SensorDataProcessor();
processor.processTemperature(28);
// processor.processTemperature("Invalid"); // This will throw an error
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