logkitten/build/utils/line-buffer.js

Stream Android and iOS logs without Android Studio or Console.app, with programmatic Node.js API for log analysis.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.LineBuffer = void 0;
function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == typeof i ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != typeof t || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != typeof i) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
/**
 * LineBuffer handles streaming data that may arrive in chunks that split mid-line.
 * It buffers incomplete lines until a newline is received.
 */
class LineBuffer {
  constructor() {
    _defineProperty(this, "buffer", '');
  }
  /**
   * Process a chunk of data and return complete lines
   * @param chunk - The incoming data chunk
   * @returns Array of complete lines
   */
  processChunk(chunk) {
    const data = chunk.toString();
    this.buffer += data;
    const lines = this.buffer.split(/\r?\n/);

    // Keep the last line in buffer (might be incomplete)
    this.buffer = lines.pop() || '';

    // Return complete lines, filtering out empty ones
    return lines.filter(Boolean);
  }

  /**
   * Get any remaining buffered content (call when stream ends)
   * @returns The remaining buffered content or empty string
   */
  flush() {
    const remaining = this.buffer;
    this.buffer = '';
    return remaining;
  }

  /**
   * Clear the buffer
   */
  clear() {
    this.buffer = '';
  }
}
exports.LineBuffer = LineBuffer;
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