javascript – Page 19 – Türker Yıldırım

A custom hook is a function that calls hooks, and nothing more

NoteFebruary 21, 20192 min read

There is no registration, no base class and no framework involvement. A function whose name starts with use and which calls other hooks is a custom hook, and…

A dynamic import is a promise, and webpack makes it a chunk

NoteFebruary 20, 20192 min read

The syntax looks like a function call and is a language feature, and webpack recognises it as a split point without any configuration. The magic comment naming the…

wp.data is a store, and the editor’s state is queryable

NoteFebruary 14, 20192 min read

The editor keeps its state in a Redux-like store, and everything on screen is derived from it — which means a plugin can read the current post, the…

Hooks arrived and the class component did not have to go

Deep diveFebruary 12, 201915 min read

16.8 shipped on 6 February and the migration pressure was immediate and mostly self-inflicted. What they actually solve, and what the dependency array means.

Object.fromEntries closes the loop with Object.entries

NoteJanuary 24, 20192 min read

Object.entries has existed since ES2017 and there was no way back, so any transformation of an object went through a reduce that nobody enjoys reading. The URLSearchParams case…

Vue 2.6 changed the slot syntax, and the old one still works

NoteJanuary 16, 20192 min read

2.6 introduced v-slot, unifying named and scoped slots under one directive and deprecating the two attributes that came before it. Both syntaxes work in 2.6, which makes this…

Vue single-file components and the scoped style caveat

NoteDecember 13, 20181 min read

The editor changed, and so did every plugin

Deep diveDecember 4, 201815 min read

5.0 shipped on 6 December and the meta box is no longer the answer. What still works, what needs a flag, and what has to be rewritten.

A content security policy that does not break the site

Deep diveNovember 30, 201810 min read

The header is one line. The work is finding out what it will break — which means report-only for weeks, and reading violations that are mostly not your…

Block attributes live in the comment delimiter

NoteNovember 21, 20181 min read

A block is stored in post_content as an HTML comment wrapping markup, and its attributes are JSON inside that comment — which is why the post is still…