JSON: валидация, схемы и работа с большими файлами

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "required": ["name", "age"],
  "properties": {
    "name": { "type": "string", "minLength": 1 },
    "age": { "type": "integer", "minimum": 0, "maximum": 150 },
    "email": { "type": "string", "format": "email" }
  }
}

const { parser } = require('stream-json');
const { streamValues } = require('stream-json/streamers/StreamValues');

fs.createReadStream('large.json')
  .pipe(parser())
  .pipe(streamValues())
  .on('data', ({ value }) => processItem(value));