A set of efficient utilities that extend the use of JSON (streaming, estimate size, NDJSON/JSONL, etc.)

a library of conditions that are useful for end-to-end tests

TypeScript definitions for wait-on

Util-functions that are be useful in async tests

Compute contour polygons using marching squares.

Make a promise, waiting for a specified amount of time, util something is done.

A calculator for humanity’s peculiar conventions of time.

Wait for multiple callback

Cypress command to wait until DOM has finished changing

date-fns timezone utils

Fast kernel density estimation library

Use path import to avoid pulling in unused modules.

Wait for localhost to be ready from the command-line

Time zone support for date-fns v3 with the Intl API

Coalesces multiple promises for the same identifier into a single request

Like a JavaScript Set, but with a TTL on entries

Loaders express an unspecified wait time or display the length of a process.

A JavaScript time formatter and parser inspired by strftime and strptime.

Wait for expectation to be true, useful for integration and end to end testing

Constant-time comparison of Buffers