@radzor/barcode-scan

Generate and scan 1D and 2D barcodes. Supports Code128, EAN-13, UPC-A, ITF, Code39, QR Code, and Data Matrix. Produces SVG/PNG output and decodes from image buffers.

Mediav0.1.0typescriptBrowserbarcodeeanqr-codescanretaillogisticsencodeby Radzor

Install

View source on GitHub →

$npx radzor@latest add barcode-scan

⚠ Constraints: EAN-13 requires exactly 12 or 13 digits. UPC-A requires 12 digits. Code39 is uppercase alphanumeric only. For scanning, provide a high-contrast image with adequate resolution (>72 DPI).

Inputs

Name	Type	Default	Description
format	'code128' \| 'ean13' \| 'upca' \| 'itf' \| 'code39' \| 'qrcode' \| 'datamatrix'	code128	Default barcode format for generation.
width	number	200	Barcode width in pixels.
height	number	80	Barcode height in pixels (ignored for 2D formats).
includeText	boolean	true	Render human-readable text below the barcode.

Default barcode format for generation.

default: code128

widthnumber

Barcode width in pixels.

{ "llm": { "constraints": "EAN-13 requires exactly 12 or 13 digits. UPC-A requires 12 digits. Code39 is uppercase alphanumeric only. For scanning, provide a high-contrast image with adequate resolution (>72 DPI).", "usageExamples": "llm/examples.md", "integrationPrompt": "llm/integration.md" }, "name": "@radzor/barcode-scan", "tags": [ "barcode", "ean", "qr-code", "scan", "retail", "logistics", "encode" ], "events": [ { "name": "onGenerated", "payload": { "data": "string", "bytes": "number", "format": "string" }, "description": "Fired when a barcode is generated." }, { "name": "onScanned", "payload": { "data": "string", "format": "string" }, "description": "Fired when a barcode is decoded from an image." }, { "name": "onError", "payload": { "code": "string", "message": "string" }, "description": "Fired on generation or scan error." } ], "inputs": [ { "name": "format", "type": "'code128' | 'ean13' | 'upca' | 'itf' | 'code39' | 'qrcode' | 'datamatrix'", "default": "code128", "required": false, "description": "Default barcode format for generation." }, { "name": "width", "type": "number", "default": 200, "required": false, "description": "Barcode width in pixels." }, { "name": "height", "type": "number", "default": 80, "required": false, "description": "Barcode height in pixels (ignored for 2D formats)." }, { "name": "includeText", "type": "boolean", "default": true, "required": false, "description": "Render human-readable text below the barcode." } ], "radzor": "1.0.0", "actions": [ { "name": "generate", "params": [ { "name": "data", "type": "string", "description": "Data to encode." }, { "name": "format", "type": "string", "required": false, "description": "Barcode format override." }, { "name": "outputFormat", "type": "'png' | 'svg'", "required": false, "description": "Image output format." } ], "returns": "Promise<Buffer>", "description": "Generate a barcode image from data." }, { "name": "generateDataUrl", "params": [ { "name": "data", "type": "string", "description": "Data to encode." }, { "name": "format", "type": "string", "required": false, "description": "Barcode format override." } ], "returns": "Promise<string>", "description": "Generate a barcode as a base64 data URL for use in <img> tags." }, { "name": "scan", "params": [ { "name": "input", "type": "Buffer | string", "description": "Image as Buffer or file path containing a barcode." } ], "returns": "Promise<{ data: string; format: string; confidence: number }>", "description": "Decode a barcode from an image." } ], "outputs": [ { "name": "barcodeBuffer", "type": "Buffer", "description": "Generated barcode as PNG or SVG bytes." }, { "name": "scanResult", "type": "{ data: string; format: string; confidence: number }", "description": "Decoded barcode data, format, and detection confidence." } ], "runtime": "browser", "version": "0.1.0", "category": "media", "languages": [ "typescript" ], "description": "Generate and scan 1D and 2D barcodes. Supports Code128, EAN-13, UPC-A, ITF, Code39, QR Code, and Data Matrix. Produces SVG/PNG output and decodes from image buffers.", "dependencies": { "packages": {} }, "composability": { "connectsTo": [ { "output": "barcodeBuffer", "compatibleWith": [ "@radzor/s3-upload.action.upload.body", "@radzor/file-upload.action.upload.data" ] }, { "event": "onScanned", "description": "Process scanned barcode data", "compatibleWith": [ "@radzor/search-index.action.search.query", "@radzor/event-tracker.action.track.eventName" ] } ] } }

@radzor/barcode-scan

Install

Inputs

Outputs

Actions

Events

Composability

radzor.manifest.json

Version History

Name	Type	Description
barcodeBuffer	Buffer	Generated barcode as PNG or SVG bytes.
scanResult	{ data: string; format: string; confidence: number }	Decoded barcode data, format, and detection confidence.