How can I extract text from a searchable PDF and save it to my db (nodejs)

You need to define the dataScheme in the .hjson file.

dataScheme: [
  { name: 'numpages', type: 'number' },
  { name: 'numrender', type: 'number' },
  { name: 'info', type: 'object', sub: [
    { name: 'PDFFormatVersion', type: 'text' },
    { name: 'IsAcroFormPresent', type: 'boolean' },
    { name: 'IsXFAPresent', type: 'boolean' }
  ]},
  { name: 'text', type: 'text' },
  { name: 'version', type: 'text' }
]
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