Server side mrz (Machine Readable Zone) scanner.
npm install mrz-scanServer side mrz scanner.
Using mrz-detection written for NodeJS by Daniel Kostro and Michaël Zasso.
Based on mrz-scanner
Refactored by ProjectINT because original package was to big for lambda function
``
yarn add mrz-scan
OR
npm i mrz-scan
`js
// @flow
const mrzScanner = require('mrz-scan');
type Result = ?{ // undefined if errored
number: string,
validDate: string,
birthDate: string,
name: string,
surname: string,
};
// Pass Buffer to mrzScanner
const result: Result = await mrzScanner(Buffer);
`Or you can get all fields with original === true option
`js
// @flow
const mrzScanner = require('mrz-scan');
type Fields = {
documentCode: string,
issuingState: string,
lastName: string,
firstName: string,
documentNumber: string,
documentNumberCheckDigit: string,
nationality: string,
birthDate: string,
birthDateCheckDigit: string,
sex: string,
expirationDate: string,
expirationDateCheckDigit: string,
personalNumber: string,
personalNumberCheckDigit: string,
compositeCheckDigit: string,
}
type FullResult = ?{ // undefined if errored
format: string, // TD1, TD2, TD3
details: Array<{
label: string,
field: $Values
value: string,
valid: boolean,
ranges: Array<[number, number]>,
line: number,
start: number,
end: number,
}>,
fields: Fields,
valid: boolean,
}
const fullResult: FullResult = const result = await mrzScanner(Buffer, { original: true });
``
Supported image formats
The following formats can be loaded by image-js:
* PNG (8 or 16 bits, color or greyscale, with or without alpha)
* JPEG
* TIFF (8 or 16 bits, greyscale)