Package Exports
- @perf-tools/performance
This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (@perf-tools/performance) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.
Readme
@perf-tools/performance
User Timing polyfill
npm i --save @perf-tools/performanceUsage
// Polyfill
import from '@perf-tools/performance';
// As module
import { performance } from '@perf-tools/performance';Supported
- Browser, Worker and NodeJS
- API:
- now - Returns a
DOMHighResTimeStamprepresenting the number of milliseconds elapsed since a reference instant. - mark - Creates a
timestampin the browser's performance entry buffer with the given name. - measure - Creates a named
timestampin the browser's performance entry buffer between two specified marks (known as the start mark and end mark, respectively). - getEntries - Returns a list of
PerformanceEntryobjects based on the given filter. - getEntriesByType - Returns a list of
PerformanceEntryobjects of the given entry type. - getEntriesByName - Returns a list of
PerformanceEntryobjects based on the given name and entry type. - clearMarks - Removes the given
markfrom the browser's performance entry buffer. - clearMeasures - Removes the given
measurefrom the browser's performance entry buffer.
- now - Returns a
Not Supported
Development
npm inpm test, code coverage