Pulse Agent
0889ee9117
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
string-width
Get the visual width of a string - the number of columns required to display it
Some Unicode characters are fullwidth and use double the normal width. ANSI escape codes are stripped and doesn't affect the width.
Useful to be able to measure the actual width of command-line output.
Install
$ npm install string-width
Usage
import stringWidth from 'string-width';
stringWidth('a');
//=> 1
stringWidth('古');
//=> 2
stringWidth('\u001B[1m古\u001B[22m');
//=> 2
API
stringWidth(string, options?)
string
Type: string
The string to be counted.
options
Type: object
ambiguousIsNarrow
Type: boolean
Default: false
Count ambiguous width characters as having narrow width (count of 1) instead of wide width (count of 2).
Related
- string-width-cli - CLI for this module
- string-length - Get the real length of a string
- widest-line - Get the visual width of the widest line in a string
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