Programming News Today: TypeScript 7.0 Goes Native, Vite 8.1 & CSS Gap Decorations – July 19, 2026

npm install -D typescript@7.0
npx tsc --checkers 8   # more type-checking workers on big repos

// Native WASM ESM import - no ?init wrapper needed
import { add } from './math.wasm';
console.log(add(1, 2));

.grid {
  display: grid;
  gap: 1rem;
  row-rule: 1px solid #cbd5e1;
  column-rule: 1px dashed #cbd5e1;
}

textarea {
  field-sizing: content;
  max-block-size: 10lh;
}

await el.scrollIntoView({ behavior: 'smooth' });
highlight(el); // runs after the scroll completes

element.ariaNotify('File saved');

npm install -D babel-plugin-react-compiler@latest eslint-plugin-react-hooks@latest

<div role="toolbar" focusgroup="wrap" aria-label="Formatting">
  <button>Bold</button><button>Italic</button><button>Underline</button>
</div>

<img loading="lazy" sizes="auto"
     srcset="small.jpg 400w, large.jpg 800w"
     src="large.jpg" alt="">

<video loading="lazy" src="clip.mp4" controls></video>

@container style(--theme: dark) {
  .card { background: #111; color: #eee; }
}

.card {
  border: 5px solid transparent;
  background: linear-gradient(to right, #f06, #48f) border-box;
  background-clip: border-area;
}

select:open { border: 1px solid skyblue; }

const counts = new Map();
counts.getOrInsert('a', 0);
counts.getOrInsertComputed('b', () => compute());

JSON.parse('{"big": 12345678901234567890}', (key, value, ctx) =>
  key === 'big' ? BigInt(ctx.source) : value
);

const all = Iterator.concat([1, 2].values(), [3, 4].values());
[...all]; // [1, 2, 3, 4]

npm install -D typescript@7.0
npx tsc --noEmit   # native speed

{ "compilerOptions": { "module": "nodenext", "moduleResolution": "nodenext" } }
// strict: true is now implied

npm install -D typescript@6   # keep 6.0 while validating 7.0

const onConnected = useEffectEvent(() => {
  showNotification('Connected!', theme); // reads latest theme
});
useEffect(() => {
  const conn = createConnection(serverUrl, roomId);
  conn.on('connected', () => onConnected());
  conn.connect();
  return () => conn.disconnect();
}, [roomId]);

<Activity mode={isVisible ? 'visible' : 'hidden'}>
  <Page />
</Activity>

npm install react@19.2.1 react-dom@19.2.1

npx shadcn init            # Base UI by default
npx shadcn init -b radix   # opt back into Radix

<article class="typeset typeset-docs">...</article>

import { MessageScroller, Message, Bubble } from "@/components/ui/chat";

<MessageScroller>
  {messages.map((m) => (
    <Message key={m.id} from={m.role}><Bubble>{m.content}</Bubble></Message>
  ))}
</MessageScroller>

<div class="scrollbar-thin scrollbar-thumb-sky-700 scrollbar-track-sky-100 overflow-y-scroll">...</div>

<pre class="tab-4">code</pre>

<h1 class="text-shadow-lg">Headline</h1>

.badge { color: color-contrast($primary); } // now WCAG 2.1-correct

<span class="visually-hidden">Loading...</span>

<i class="bi bi-bluesky"></i>

// node --experimental-import-text app.mjs
import greeting from './greeting.txt' with { type: 'text' };

const blob = new Blob(['hello world']);
for await (const chunk of blob.textStream()) console.log(chunk);

nvm install --lts
node --version   # v24.18.0

npm install multer@^2.2.0 morgan@^1.11.0

npm install multiparty@^4.3.0

const express = require('express'); // installs 5.x by default
const app = express();
app.get('/', async (req, res) => res.send('Express 5')); // async errors auto-forward
app.listen(3000);

SET SESSION optimizer_switch = 'hypergraph_optimizer=on';

UPDATE orders_dv
SET data = JSON_SET(data, '$.status', 'shipped')
WHERE data->>'$._id' = '1001';

SELECT VERSION();  -- expect '8.4.10' (LTS) or '9.7.1' (Innovation)

// next.config.ts
const nextConfig = { cacheComponents: true };
export default nextConfig;

// next.config.ts
const nextConfig = { cacheComponents: true, partialPrefetching: true };
export default nextConfig;

<Link href="/about" transitionTypes={['slide']}>About</Link>

import { createVaporApp } from 'vue';
import App from './App.vue';
createVaporApp(App).mount('#app');

const count = signal(0);
const double = computed(() => count() * 2);
count.set(5); // double() === 10

UPDATE employees
  FOR PORTION OF valid_period FROM DATE '2026-01-01' TO DATE '2026-06-30'
  SET department = 'Engineering' WHERE id = 42;

SELECT version();  -- 18.4 / 17.10 / 16.14 / 15.18 / 14.23

# 8.8 adds INCREX for atomic windowed rate limiting
INCR requests:api   # classic counter (INCREX bundles limit + expiry)

import { defineRelations } from 'drizzle-orm';
export const relations = defineRelations(schema, (r) => ({
  users: { posts: r.many.posts() },
}));

name = "World"
greeting = t"Hello {name}"   # a Template, not a str (PEP 750)

switch (obj) {
  case Integer i -> System.out.println("int: " + i);
  case String s  -> System.out.println("str: " + s);
  default        -> System.out.println("other");
}

// g++ -std=c++26 -freflection main.cpp
#include <experimental/meta>
constexpr auto r = ^^int;   // reflect on a type

import numpy as np
np.sort(a, descending=True)   # native descending sort in 2.5.0

spec:
  hostUsers: false   # User Namespaces GA in v1.36