David Culbreth
9072c93fe4
Includes: - 3 Node.js actions (hello, http_example, read_counter) - 1 counter trigger type - 1 counter sensor (Node.js, keystore-backed, per-rule state) - 1 example rule (count_and_log) - package.json with node-fetch and amqplib - README with full usage documentation
31 lines
870 B
JavaScript
31 lines
870 B
JavaScript
#!/usr/bin/env node
|
|
/**
|
|
* Read Counter Action - Node.js Example Pack
|
|
*
|
|
* Consumes a counter value (typically from the counter sensor trigger payload)
|
|
* and returns a formatted message containing the counter value.
|
|
*
|
|
* Parameters are delivered via stdin as JSON from the Node.js wrapper.
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
/**
|
|
* @param {object} params
|
|
* @param {number} params.counter - The counter value from the trigger payload.
|
|
* @param {string} params.rule_ref - The rule reference the counter is scoped to.
|
|
* @returns {object} Formatted message and raw counter value.
|
|
*/
|
|
function run(params) {
|
|
const counter = params.counter !== undefined ? params.counter : 0;
|
|
const ruleRef = params.rule_ref || "unknown";
|
|
|
|
return {
|
|
message: `Counter value is ${counter} (from rule: ${ruleRef})`,
|
|
counter: counter,
|
|
rule_ref: ruleRef,
|
|
};
|
|
}
|
|
|
|
module.exports = { run };
|