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Pulse Agent 0889ee9117 feat(lib): add useLiveStream WS hook + useLiveMetrics + LiveMetricChart

feat(hooks): add useLiveStream generic WebSocket hook
  - supports websocket/sse/polling transports
  - exponential backoff reconnect with jitter
  - circular buffer with configurable size
  - typed filter callback per use case
  - manual disconnect + reconnect + error state

feat(hooks): add useLiveMetrics derived hook
  - sliding time-window cut
  - moving average (configurable window)
  - current / avg / min / max / ratePerSecond
  - zero allocations per tick (memoized)

feat(charts): add LiveMetricChart molecule (Recharts)
  - line + area variants, grid + tooltip
  - moving-average overlay (dashed)
  - ConnectionStatus atom in header
  - status bar + compact mode
  - 100% responsive, GPU via SVG ViewBox

feat(atoms): add ConnectionStatus indicator
  - 5 states: disconnected/connecting/connected/reconnecting/error
  - animated pulse, JetBrains Mono, pill style
  - exported helpers: formatLatency / formatBytes

docs(pkg): bump v0.1.0 → v0.2.0, add recharts peerDep

2026-05-20 22:59:10 -03:00

History.md

feat(lib): add useLiveStream WS hook + useLiveMetrics + LiveMetricChart

2026-05-20 22:59:10 -03:00

index.js

feat(lib): add useLiveStream WS hook + useLiveMetrics + LiveMetricChart

2026-05-20 22:59:10 -03:00

LICENSE

feat(lib): add useLiveStream WS hook + useLiveMetrics + LiveMetricChart

2026-05-20 22:59:10 -03:00

package.json

feat(lib): add useLiveStream WS hook + useLiveMetrics + LiveMetricChart

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README.md

feat(lib): add useLiveStream WS hook + useLiveMetrics + LiveMetricChart

2026-05-20 22:59:10 -03:00

README.md

thenify

Promisify a callback-based function using any-promise.

Preserves function names
Uses a native promise implementation if available and tries to fall back to a promise implementation such as bluebird
Converts multiple arguments from the callback into an Array, also support change the behavior by options.multiArgs
Resulting function never deoptimizes
Supports both callback and promise style

An added benefit is that thrown errors in that async function will be caught by the promise!

API

fn = thenify(fn, options)

Promisifies a function.

Options

options are optional.

options.withCallback - support both callback and promise style, default to false.
options.multiArgs - change the behavior when callback have multiple arguments. default to true.
- true - converts multiple arguments to an array
- false- always use the first argument
- Array - converts multiple arguments to an object with keys provided in options.multiArgs
Turn async functions into promises

var thenify = require('thenify');

var somethingAsync = thenify(function somethingAsync(a, b, c, callback) {
  callback(null, a, b, c);
});

Backward compatible with callback

var thenify = require('thenify');

var somethingAsync = thenify(function somethingAsync(a, b, c, callback) {
  callback(null, a, b, c);
}, { withCallback: true });

// somethingAsync(a, b, c).then(onFulfilled).catch(onRejected);
// somethingAsync(a, b, c, function () {});

or use thenify.withCallback()

var thenify = require('thenify').withCallback;

var somethingAsync = thenify(function somethingAsync(a, b, c, callback) {
  callback(null, a, b, c);
});

// somethingAsync(a, b, c).then(onFulfilled).catch(onRejected);
// somethingAsync(a, b, c, function () {});

Always return the first argument in callback

var thenify = require('thenify');

var promise = thenify(function (callback) {
  callback(null, 1, 2, 3);
}, { multiArgs: false });

// promise().then(function onFulfilled(value) {
//   assert.equal(value, 1);
// });

Converts callback arguments to an object

var thenify = require('thenify');

var promise = thenify(function (callback) {
  callback(null, 1, 2, 3);
}, { multiArgs: [ 'one', 'tow', 'three' ] });

// promise().then(function onFulfilled(value) {
//   assert.deepEqual(value, {
//     one: 1,
//     tow: 2,
//     three: 3
//   });
// });