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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | 1x 2x 2x | 'use strict';
/**
* Get data from the Paint Timing API in the browser.
*
* @module probes/paint
* @see {@link Probe}
* @see <https://www.w3.org/TR/paint-timing/>
*/
/* istanbul ignore next */
function browserCode() {
/* eslint-env browser */
const result = {};
performance.getEntriesByType( 'paint' ).forEach( ( entry ) => {
// first-paint
// first-contentful-paint
result[ entry.name ] = entry.startTime;
} );
return result;
}
module.exports = {
async after( page, writer, addData ) {
const response = await page.evaluate( browserCode );
addData( response );
}
};
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