Meta tags:
description=Node.js and JavaScript Guides - Build your web platform with modern best-practices & tools;

Headings (most frequently used words):

node, js, and, in, with, date, the, for, env, tz, jest, mocking, stubbing, tests, code, hugo, javascript, guides, clear, module, cache, force, import, commonjs, es, modules, esm, taming, timezones, replacing, moment, parsezone, fns, vanilla, typescript, trenches, utility, types, type, manipulation, patterns, application, development, configure, timezone, var, nock, on, 18, 20, 22, fails, to, intercept, isomorphic, unfetch, fetch, request, dotenv, not, required, load, parse, vars, natively, modern, current, docsify, mermaid, 10, timers, settimeout, built, test, mocktimers, direnv, setup, multiple, git, github, npm, aws, accounts, credentials, interested, alpine,

Text of the page (most frequently used words):
and (25), node (23), the (15), date (15), hugo (13), with (12), read (11), min (10), francesco (10), #javascript (9), code (8), for (7), mermaid (7), jest (7), testing (6), test (5), environment (5), typescript (5), how (4), multiple (4), module (4), mocking (4), tests (4), that (4), from (4), env (4), timezone (4), github (3), now (3), this (3), post (3), direnv (3), git (3), aws (3), which (3), stubbing (3), docsify (3), can (3), new (3), used (3), application (3), useful (3), nock (3), patterns (3), moment (3), fns (3), modules (3), posts (2), alpine (2), configure (2), npm (2), accounts (2), credentials (2), setup (2), mocktimers (2), timers (2), settimeout (2), built (2), render (2), returns (2), work (2), around (2), where (2), dotenv (2), apps (2), load (2), variables (2), not (2), may (2), fails (2), intercept (2), isomorphic (2), unfetch (2), request (2), manipulation (2), parsing (2), supports (2), variable (2), types (2), development (2), type (2), taming (2), timezones (2), replacing (2), parsezone (2), vanilla (2), when (2), last (2), systems (2), commonjs (2), esm (2), cache (2), imported (2), latest, close, install, power, your, debugging, devtools, extension, chrome, firefox, trusted, over, 000, developers, rated, interested, previous, page, look, manage, single, machine, cli, experimental, class, concerns, itself, allowing, setinterval, setimmediate, ins, using, tricky, since, renders, asynchronously, promise, shows, mismatch, between, markdown, renderer, function, v10, there, are, situations, needs, tested, always, struggle, remember, mock, stub, spy, goes, through, approaches, spying, current, million, download, week, package, allows, files, other, utilities, very, building, factor, principle, configuration, required, parse, vars, natively, modern, versions, users, encounter, issue, requests, made, via, what, follows, sample, error, you, see, timeout, reached, because, intercepted, valid, response, thrown, exceeded, fetch, order, involves, time, set, under, run, thankfully, specify, configurati, var, advanced, part, these, help, unlock, levels, safety, maintainability, trenches, utility, preserved, aware, migrating, one, pieces, completed, workplace, was, migrate, core, system, mome, performance, two, primary, both, ensuring, runs, only, once, even, times, writing, bypass, caching, example, clear, force, import, subscribe, gear, about, search, more, books, home, guides,

Text of the page (random words):
code with hugo code with hugo node js and javascript guides home books node testing javascript more search about gear setup subscribe javascript node node test testing clear module cache force import in node js with commonjs and with es modules esm node js supports two primary module systems commonjs and es modules esm both systems cache imported modules ensuring that a module s code runs only once even if it s imported multiple times when writing tests it can be useful to bypass caching for example if th hugo di francesco 3 min read performance typescript node javascript taming timezones replacing moment parsezone with date fns tz and vanilla js date taming timezones replacing moment parsezone with date fns tz and vanilla js date how we preserved timezone aware parsing when migrating from moment js to date fns and js date one of the last pieces of work i completed at my last workplace was to migrate a core system from mome hugo di francesco 6 min read typescript typescript in the trenches utility types and type manipulation patterns for application development 7 advanced types and patterns that i ve used as part of typescript application development these patterns help unlock new levels of type safety and maintainability in typescript hugo di francesco 5 min read javascript node testing jest configure timezone for jest node js with the tz env var in order to test code that involves date and time manipulation and parsing it can be useful to set the timezone under which the jest tests run thankfully node js supports the tz environment variable the tz environment variable is used to specify the timezone configurati hugo di francesco 2 min read nock jest testing node nock on node 18 20 22 fails to intercept isomorphic unfetch fetch request on node versions 18 20 and 22 users may encounter an issue where nock fails to intercept requests made via isomorphic unfetch what follows is a sample error you may see timeout is reached because the request is not intercepted returns a valid response thrown exceeded hugo di francesco 2 min read javascript node dotenv not required load env and parse env vars natively in modern node js dotenv is a 39 million download a week package allows node js apps to load environment variables from env files and other utilities around environment variables it s very useful for building 12 factor apps for which a principle is to read configuration from environment va hugo di francesco 2 min read javascript jest node testing date mocking stubbing the current date in jest tests there are situations where new date or date now is used in application code that code needs to be tested and it s always a struggle to remember how to mock stub or spy on date now new date with jest this post goes through multiple approaches to mocking stubbing and spying o hugo di francesco 4 min read javascript mermaid docsify mermaid 10 using docsify and mermaid 10 can be tricky since mermaid 10 renders asynchronously mermaid render returns a promise this post shows how to work around the mismatch between docsify s markdown renderer code and mermaid s render function on mermaid v9 and v10 hugo di francesco 3 min read node test testing node javascript mocking stubbing the date and timers settimeout in node js tests with built in node test mocktimers mocktimers is an experimental class in the node test module which concerns itself with allowing mocking of timers settimeout setinterval setimmediate and the date built ins hugo di francesco 4 min read cli node git direnv aws direnv setup for multiple git github npm and aws accounts credentials in this post we ll look at how to configure direnv to manage multiple git github npm and aws accounts and credentials on a single machine hugo di francesco 2 min read page 1 of 15 previous posts interested in alpine js power up your debugging with the alpine js devtools extension for chrome and firefox trusted by over 15 000 developers rated 4 5 ️ install now close code with hugo latest posts github