Practical notes on TypeScript, Node tooling, git and Docker — short fixes, patterns and lessons from day-to-day development.https://all1n.dev/enhttps://all1n.dev/posts/2026-10-16-verbatim-module-syntax-keeps-imports/https://all1n.dev/posts/2026-10-16-verbatim-module-syntax-keeps-imports/TypeScript drops imports only used as types by default. verbatimModuleSyntax turns that off and keeps what you wrote, even imports of type-only packages.Fri, 16 Oct 2026 09:00:00 GMThttps://all1n.dev/posts/2026-10-04-slim-strapi-5-docker-image/https://all1n.dev/posts/2026-10-04-slim-strapi-5-docker-image/Most of a production Strapi image is admin build tooling and frontend libraries the server never loads. Deploy only the app, drop webpack and delete the rest.Sun, 04 Oct 2026 05:45:04 GMThttps://all1n.dev/posts/2026-09-25-overloading-on-a-branded-type/https://all1n.dev/posts/2026-09-25-overloading-on-a-branded-type/An overload set gives the branded argument a precise return type and the unbranded one a nullable type, so parsed callers skip dead checks.Fri, 25 Sep 2026 13:00:00 GMThttps://all1n.dev/posts/2026-09-25-branded-types-good-bad-use-cases/https://all1n.dev/posts/2026-09-25-branded-types-good-bad-use-cases/Branding pays off for the Invalid Date hole, sanitization, money, ids and validated values. It is noise in one module or on mutable types.Fri, 25 Sep 2026 11:00:00 GMThttps://all1n.dev/posts/2026-09-25-typescript-branded-types/https://all1n.dev/posts/2026-09-25-typescript-branded-types/TypeScript compares types by shape, so swapping a user id and a post id compiles. A brand makes them distinct and leaves nothing at runtime.Fri, 25 Sep 2026 09:00:00 GMThttps://all1n.dev/posts/2026-09-03-import-esm-only-packages-from-commonjs-typescript/https://all1n.dev/posts/2026-09-03-import-esm-only-packages-from-commonjs-typescript/A CommonJS file resolves an ESM-only package through the require condition, so its types go missing. The resolution-mode attribute fixes it.Thu, 03 Sep 2026 09:00:00 GMThttps://all1n.dev/posts/2026-06-17-migrate-patch-package-to-pnpm-patch/https://all1n.dev/posts/2026-06-17-migrate-patch-package-to-pnpm-patch/Migrate patch-package patches to pnpm patch in a few steps: the diff stays the same, only the paths inside the patch change.Wed, 17 Jun 2026 09:30:00 GMThttps://all1n.dev/posts/2021-12-01-implicit-clsx-in-react/https://all1n.dev/posts/2021-12-01-implicit-clsx-in-react/Patch React so className accepts arrays and objects like Vue class bindings, without importing clsx in every app component.Wed, 01 Dec 2021 22:56:33 GMThttps://all1n.dev/posts/2021-11-25-html-comment-in-react/https://all1n.dev/posts/2021-11-25-html-comment-in-react/JSX does not allow HTML comments. For learning purposes, here is how to trick React into rendering a real HTML comment node.Thu, 25 Nov 2021 23:26:03 GMThttps://all1n.dev/posts/2021-11-19-render-in-vue-16-ways/https://all1n.dev/posts/2021-11-19-render-in-vue-16-ways/Sixteen ways to render something in Vue 3, from templates to render functions and JSX, with a full example repository to try.Fri, 19 Nov 2021 10:57:24 GMThttps://all1n.dev/posts/2021-10-22-put-your-react-on-a-diet/https://all1n.dev/posts/2021-10-22-put-your-react-on-a-diet/Swap React for Preact in a Create React App project without ejecting, by installing preact/compat under the React names.Fri, 22 Oct 2021 01:02:15 GMThttps://all1n.dev/posts/2021-10-13-tuple-vs-record-optimization/https://all1n.dev/posts/2021-10-13-tuple-vs-record-optimization/Should a function return a tuple or an object? Compare how each one minifies, and which is smaller in the production bundle.Wed, 13 Oct 2021 12:42:36 GMThttps://all1n.dev/posts/2021-10-07-jsx-at-lowest-level/https://all1n.dev/posts/2021-10-07-jsx-at-lowest-level/JSX looks like HTML in JavaScript, but it compiles to React.createElement or jsx calls. A look at what JSX really turns into.Thu, 07 Oct 2021 07:50:21 GMThttps://all1n.dev/posts/2021-10-04-next-js-universal-and-nuxt-js-static-redirects/https://all1n.dev/posts/2021-10-04-next-js-universal-and-nuxt-js-static-redirects/Next.js, Nuxt.js and Angular Universal need a server for redirects. On a static site, use HTML pages with a meta refresh.Mon, 04 Oct 2021 07:15:47 GMThttps://all1n.dev/posts/2021-09-30-remove-gone-git-branches/https://all1n.dev/posts/2021-09-30-remove-gone-git-branches/A git alias that fetches with prune and deletes every local branch whose remote is gone, usually after a merged pull request.Thu, 30 Sep 2021 08:54:36 GMThttps://all1n.dev/posts/2021-09-28-bookmarklets-browser-search-engine/https://all1n.dev/posts/2021-09-28-bookmarklets-browser-search-engine/Add custom search engines to the browser address bar, write bookmarklets, then combine both to run scripts from a query.Tue, 28 Sep 2021 16:43:50 GMThttps://all1n.dev/posts/2021-09-22-flat-react-doom-pyramid-in-1loc/https://all1n.dev/posts/2021-09-22-flat-react-doom-pyramid-in-1loc/Context providers pile up into a deeply nested pyramid at the app root. Flatten them as a list with reduceRight in one line.Wed, 22 Sep 2021 21:10:26 GMThttps://all1n.dev/posts/2021-09-21-private-route-in-react-router-v6/https://all1n.dev/posts/2021-09-21-private-route-in-react-router-v6/Private routes in React Router v5 wrapped Route and Redirect in a custom component. Here is the same guard with the v6 beta.Tue, 21 Sep 2021 22:52:53 GMThttps://all1n.dev/posts/2021-07-13-git-remote-readd-alias/https://all1n.dev/posts/2021-07-13-git-remote-readd-alias/A git alias that removes a remote and adds it back with the same URL, dropping its stale remote branches in one command.Tue, 13 Jul 2021 22:44:54 GMThttps://all1n.dev/posts/2020-06-22-configure-msw-in-nx/https://all1n.dev/posts/2020-06-22-configure-msw-in-nx/Set up Mock Service Worker in an Nx monorepo: install msw, generate the service worker file and add it to the app assets.Mon, 22 Jun 2020 10:12:11 GMThttps://all1n.dev/posts/2020-03-31-how-react-memoization-kind-of-works/https://all1n.dev/posts/2020-03-31-how-react-memoization-kind-of-works/JSX creates new children elements on every render, so React.memo alone does not help. Memoize the children with useMemo too.Tue, 31 Mar 2020 15:50:09 GMThttps://all1n.dev/posts/2020-03-03-how-to-merge-a-pull-request/https://all1n.dev/posts/2020-03-03-how-to-merge-a-pull-request/GitHub offers merge commit, squash and merge, and rebase and merge. When to use each, based on the pull request commits.Tue, 03 Mar 2020 12:48:25 GMThttps://all1n.dev/posts/2019-09-26-mind-sharing-folder-structure-of-project-library-working-on/https://all1n.dev/posts/2019-09-26-mind-sharing-folder-structure-of-project-library-working-on/How I lay out the folders of an app and of a library, following the Angular style guide, with the tree output of each one.Thu, 26 Sep 2019 08:48:05 GMThttps://all1n.dev/posts/2019-05-24-react-lazy-without-default-export/https://all1n.dev/posts/2019-05-24-react-lazy-without-default-export/React.lazy expects a module with a default export. Map a named export to default inside the dynamic import to lazy load it.Fri, 24 May 2019 10:08:13 GMThttps://all1n.dev/posts/2019-03-28-typescript-function-overloading/https://all1n.dev/posts/2019-03-28-typescript-function-overloading/One implementation, several call signatures: how to write them for functions, methods, constructors and statics, and the rules that pick one.Thu, 28 Mar 2019 08:58:38 GMThttps://all1n.dev/posts/2018-12-03-don-t-return-early-from-react-component-when-using-react-createref/https://all1n.dev/posts/2018-12-03-don-t-return-early-from-react-component-when-using-react-createref/A note proposed for the React docs: return early from render in a React.Component and a React.createRef ref may never attach.Mon, 03 Dec 2018 15:16:57 GMThttps://all1n.dev/posts/2018-11-23-typed-fetch-response-in-typescript/https://all1n.dev/posts/2018-11-23-typed-fetch-response-in-typescript/The fetch Response type in lib.dom.d.ts returns any from json(). Extend it with a generic TypedResponse for typed payloads.Fri, 23 Nov 2018 15:49:14 GMThttps://all1n.dev/posts/2018-08-16-create-own-reactfragment/https://all1n.dev/posts/2018-08-16-create-own-reactfragment/Stuck on a React version older than 16.2, with no fragments? A Fragment just returns its children, so you can write your own.Thu, 16 Aug 2018 12:16:13 GMThttps://all1n.dev/posts/2018-07-17-override-dom-input-typed-character/https://all1n.dev/posts/2018-07-17-override-dom-input-typed-character/A QR code scanner types as a US keyboard, so other layouts get wrong text. Catch keypress and map each key back to EN-US.Tue, 17 Jul 2018 11:05:00 GMThttps://all1n.dev/posts/2018-07-06-nesting-and-overriding-new-react-context-api/https://all1n.dev/posts/2018-07-06-nesting-and-overriding-new-react-context-api/How react-router v4 nests React context to override parent route info for children, and how to do it with the Context API.Fri, 06 Jul 2018 07:55:54 GMT