detect-canvas-block

Detect if data extraction from HTML canvas elements is blocked.

Usage when included with a <script> tag

if (detectCanvasBlock()) {
  // canvas data extraction is allowed
} else {
  // canvas data extraction is blocked
}

Usage when included as a module

const detectCanvasBlock = require('detect-canvas-block');

if (detectCanvasBlock()) {
  // canvas data extraction is allowed
} else {
  // canvas data extraction is blocked
}