n8n/dist/task-runners/node-process-oom-detector.js

n8n Workflow Automation Tool

"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
exports.NodeProcessOomDetector = void 0;
const a = __importStar(require("node:assert/strict"));
class NodeProcessOomDetector {
    get didProcessOom() {
        return this._didProcessOom;
    }
    constructor(processToMonitor) {
        this._didProcessOom = false;
        this.onStderr = (data) => {
            if (data.includes('JavaScript heap out of memory')) {
                this._didProcessOom = true;
            }
        };
        this.monitorProcess(processToMonitor);
    }
    monitorProcess(processToMonitor) {
        a.ok(processToMonitor.stderr, "Can't monitor a process without stderr");
        processToMonitor.stderr.on('data', this.onStderr);
        processToMonitor.once('exit', () => {
            processToMonitor.stderr?.off('data', this.onStderr);
        });
    }
}
exports.NodeProcessOomDetector = NodeProcessOomDetector;
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