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phantomas

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Headless Chromium-based web performance metrics collector and monitoring tool

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/** * Delays report generation until given phantomas event is emitted (issue #453) */ "use strict"; module.exports = function (phantomas) { // e.g. --wait-for-event "done" var eventName = phantomas.getParam("wait-for-event"); if (typeof eventName !== "string") { return; } // https://github.com/GoogleChrome/puppeteer/blob/v1.11.0/docs/api.md#framewaitforfunctionpagefunction-options-args phantomas.log('Will wait for a "%s" event', eventName); phantomas.on("beforeClose", () => { // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise return new Promise((resolve) => { phantomas.log('Waiting for "%s" event...', eventName); phantomas.on(eventName, resolve); }); }); };