68 lines
1.5 KiB
JavaScript
68 lines
1.5 KiB
JavaScript
// @ts-check
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export class ArgumentError extends Error {}
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export class OverheatingError extends Error {
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constructor(temperature) {
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super(`The temperature is ${temperature} ! Overheating !`);
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this.temperature = temperature;
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}
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}
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/**
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* Check if the humidity level is not too high.
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*
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* @param {number} humidityPercentage
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* @throws {Error}
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*/
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export function checkHumidityLevel(humidityPercentage) {
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if (humidityPercentage > 70)
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{
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throw new Error("Humidity above 70%.");
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};
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}
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/**
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* Check if the temperature is not too high.
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*
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* @param {number|null} temperature
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* @throws {ArgumentError|OverheatingError}
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*/
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export function reportOverheating(temperature) {
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if (temperature == null)
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{
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throw new ArgumentError("Sensor needs to be replaced!");
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}
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else if (temperature > 500) throw new OverheatingError(temperature);
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}
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/**
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* Triggers the needed action depending on the result of the machine check.
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*
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* @param {{
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* check: function,
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* alertDeadSensor: function,
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* alertOverheating: function,
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* shutdown: function
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* }} actions
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* @throws {ArgumentError|OverheatingError|Error}
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*/
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export function monitorTheMachine(actions) {
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try {
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actions.check();
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} catch (error) {
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if (error instanceof ArgumentError) actions.alertDeadSensor();
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else if (error instanceof OverheatingError)
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{
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if (error.temperature < 600)
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{
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actions.alertOverheating();
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}
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else actions.shutdown();
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}
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else throw error;
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}
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}
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