svgedit/cypress/plugins/main.js

// This function is called when a project is opened or re-opened (e.g. due to
// the project's config changing)

import codeCoverageTask from "@cypress/code-coverage/task.js";
import { initPlugin } from "cypress-plugin-snapshots/plugin.js";

export default (on, config) => {
  // `on` is used to hook into various events Cypress emits
  // `config` is the resolved Cypress config

  // `on` is used to hook into various events Cypress emits
  // `config` is the resolved Cypress config

  // https://docs.cypress.io/guides/tooling/code-coverage.html#Install-the-plugin
  codeCoverageTask(on, config);
  initPlugin(on, config);
  on("before:browser:launch", (browser, launchOptions) => {
    if (browser.name === "chrome" && browser.isHeadless) {
      // fullPage screenshot size is 1400x1200 on non-retina screens
      // and 2800x2400 on retina screens
      launchOptions.args.push("--window-size=1400,1200");

      // force screen to be non-retina (1400x1200 size)
      launchOptions.args.push("--force-device-scale-factor=1");

      // force screen to be retina (2800x2400 size)
      // launchOptions.args.push('--force-device-scale-factor=2')
    }

    if (browser.name === "electron" && browser.isHeadless) {
      // fullPage screenshot size is 1400x1200
      launchOptions.preferences.width = 1400;
      launchOptions.preferences.height = 1200;
    }

    if (browser.name === "firefox" && browser.isHeadless) {
      // menubars take up height on the screen
      // so fullPage screenshot size is 1400x1126
      launchOptions.args.push("--width=1400");
      launchOptions.args.push("--height=1200");
    }

    return launchOptions;
  });
  return config;
};