Programming News Today: TypeScript 7.0 Ships Native, Chrome 150 Loads the Web Platform & Vue 3.6 Vapor – July 22, 2026

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

.card {
  border: 4px solid transparent;
  background: linear-gradient(45deg, red, blue) border-box;
  background-clip: border-area;   /* true gradient borders */
}

.hero {
  background-image: url("image.png" cross-origin(anonymous));
}

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

input:user-invalid { border-color: red; }  /* only after the user interacts */
p { margin-block: 1lh; }                    /* one line-height of spacing */

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

// vite.config.js
import { defineConfig } from 'vite'
export default defineConfig({
  experimental: { bundledDev: true },
})

<script setup vapor>
import { ref } from 'vue'
const count = ref(0)
</script>
<template><button @click="count++">{{ count }}</button></template>

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

<button command="show-modal" commandfor="dlg">Open</button>
<dialog id="dlg"><button command="close" commandfor="dlg">Close</button></dialog>

button.primary {
  background: AccentColor;
  color: AccentColorText;
}

h1 { text-fit: grow per-line-all; }

.card {
  border: 4px solid transparent;
  background: linear-gradient(45deg, red, blue) border-box;
  background-clip: border-area;
}

.thumb { zoom: 1; transition: zoom 0.3s ease; }
.thumb:hover { zoom: 1.2; }

const counts = new Map();
counts.getOrInsert("a", 0);
const bucket = counts.getOrInsertComputed("b", () => []); // runs only if missing
bucket.push(1);

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

JSON.parse('{"big":12345678901234567890}', (k, v, ctx) =>
  k === "big" ? BigInt(ctx.source) : v);   // exact digits preserved

tsc --checkers 8        # parallel type-checking
tsc --singleThreaded    # deterministic run for debugging

{ "compilerOptions": { "stableTypeOrdering": true } }

const cache = new Map<string, number[]>();
const arr = cache.getOrInsertComputed("k", () => []); // typed as number[]
arr.push(1);

const onConnected = useEffectEvent(() => showNotification('Connected!', theme));
useEffect(() => {
  const c = createConnection(url, roomId);
  c.connect();
  return () => c.disconnect();
}, [roomId]); // theme is NOT a dependency

<Activity mode={isActive ? 'visible' : 'hidden'}>
  <SidebarPanel />
</Activity>

npm install -D --save-exact babel-plugin-react-compiler@latest

pnpm dlx shadcn init            # Base UI (default)
pnpm dlx shadcn init -b radix   # keep Radix if you prefer

npx shadcn@latest add message-scroller message bubble

pnpm dlx shadcn@latest init --preset a1Dg5eFl

<div class="scrollbar-thin scrollbar-thumb-sky-700 scrollbar-track-sky-100 overflow-auto">&hellip;</div>

.button {
  @variant hover:focus { background: var(--color-sky-600); }
}

<div class="bg-taupe-100 text-taupe-950 mbs-6 pbe-8">Logical spacing + taupe</div>

.btn-brand { color: color-contrast(#0d6efd); } // WCAG 2.1 compliant

new bootstrap.Tooltip('#el', { trigger: 'hover click' }); // now correct

const blob = new Blob(["hello ", "streamed ", "world"]);
const reader = blob.textStream().getReader();
for (let r; !(r = await reader.read()).done; ) console.log(r.value);

import { readFile } from 'node:fs/promises';
const buf = Buffer.alloc(64 * 1024);
const data = await readFile('./chunk.bin', { buffer: buf }); // reuse buffer

nvm install 24.17.0 && node -e "console.log(process.version)"  # v24.17.0

res.redirect(undefined);      // now emits a deprecation warning
res.redirect(302, '/login');  // correct usage

npm install express@5.2.1   # restores original query parsing

app.use(express.urlencoded({ extended: false, parameterLimit: 1000 }));
// and upgrade body-parser >= 2.2.1

SELECT VERSION();  -- expect 8.4.10 after upgrade

[mysqld]
performance-schema-meter = "mysql.query=ON"

SELECT VERSION();  -- 9.7.1 on the Innovation track

// app/products/[slug]/page.tsx
export const instant = false; // let this route block instead of streaming/caching

// next.config.ts
export default { agentRules: false }; // opt out

npx skills add vercel/next.js --skill next-dev-loop

import { ref } from 'vue';
const count = ref(0);

const count = signal(0);
const double = computed(() => count() * 2);

deno compile --minify --output app main.ts   # smaller standalone binaries

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

model Post {
  id       Int @id @default(autoincrement())
  authorId Int
  @@rls // fail-closed until policies are defined
}

import { drizzle } from 'drizzle-orm/node-postgres';
const db = drizzle(process.env.DATABASE_URL);
const rows = await db.select().from(users);

import { createClient } from '@supabase/supabase-js';
const supabase = createClient(URL, ANON_KEY);
const { data } = await supabase.auth.getClaims(); // verify via signing keys

redis-cli INFO keyspace   # inspect keyspace; hot-key detection is now built in

db.movies.aggregate([
  { $scoreFusion: { /* combine text + vector pipelines */ } }
]);

name = "world"
template = t"Hello {name}"   # PEP 750 t-string: a Template, not a str

switch (x) {
    case int i when i > 0 -> System.out.println("positive " + i);
    case int i            -> System.out.println("int " + i);
    default               -> System.out.println("other");
}

kubectl version --output=json   # confirm server is v1.36.2