models json-array.js

56% Statements 14/25

100% Branches 2/2

25% Functions 1/4

56% Lines 14/25

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  /**
 * Helper to print a real JSON array with starting `[` and ending `]`
 */
export class JsonArray {
  constructor() {
    this._isFirst = true;
  }
 
  open() {
    process.stdout.write('[\n');
  }
 
  push(log) {
    if (this._isFirst) {
      this._isFirst = false;
    } else {
      process.stdout.write(',\n');
    }
    process.stdout.write(`  ${JSON.stringify(log)}`);
  }
 
  close() {
    process.stdout.write('\n]');
  }
}