@mknrt/cypress-memory-tracker

Cypress plugin to track JavaScript memory usage during tests.

Installation

npm install @mknrt/cypress-memory-tracker

Setup

1. Plugin (cypress.config.js)

const { defineConfig } = require('cypress');

module.exports = defineConfig({
  expose: {
    memoryTracking: {
      enabled: true,
      trackSpecOnly: false, // true — only spec summaries, false — per-test details
      debug: false,
    },
  },
  e2e: {
    setupNodeEvents(on, config) {
      require('@mknrt/cypress-memory-tracker/dist/cypress-memory-tracker')(on, config);
      return config;
    },
  },
});

2. Support (cypress/support/e2e.js)

import '@mknrt/cypress-memory-tracker/dist/memory-commands';

Commands

• cy.startMemoryTracking(options?) — start tracking memory for the current test
• cy.stopMemoryTracking() — stop tracking and save results
• cy.getMemoryUsage() — get current JS heap size
• cy.logMemoryUsage() — log current memory to Cypress log

Configuration

| Option | Type | Default | Description | |---|---|---|---| | enabled | boolean | false | Enable/disable memory tracking | | trackSpecOnly | boolean | false | Only output per-spec summaries | | debug | boolean | false | Enable debug logging |

License

MIT