Barcode Read - Ts and Webassembly


Barcode reader written in Ts and using webassembly. In addition, it calculates the check digit as well.

Run build.sh to build a docker and update the webassembly.

Demo

https://emirdeliz.github.io/barcode-reader-zbar-webassembly/

How to use?

Added the static files (barcode-reader.js and barcode-reader.wasm) on the server. And then use the code below.

``javascript
const result = BarcodeReader.readBarcodeFromStack({
file,
});
`

or

`javascript
const result = BarcodeReader.readBarcode({
file,
});
``

##### About the methods:

| Method | Description |
| ------------------------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| readBarcodeFromStack | This method receives a ReadBarcodeProps and inserts the request on the stack of requests. This can be utils when you make multiple barcodes reads at the same. |
| readBarcode | This method receives a ReadBarcodeProps and makes a simple read. |

##### About the parameters ReadBarcodeProps:

| Prop | Type | Description |
| -------------------------- | -------- | ------------------------------------------------------------------------ |
| file (optional) | boolean | The file related to pdf file. |
| scale (optional) | boolean | The scale or zoom applied on the pdf document before the search barcode. |
| sequenceNum (optional) | Number | The sequence number of the image when working with multiple barcodes. |
| password (optional) | String | The password to open the pdf file. |