chart.js/src/platforms/platform.basic.js

Simple HTML5 charts using the canvas element.

/**
 * Platform fallback implementation (minimal).
 * @see https://github.com/chartjs/Chart.js/pull/4591#issuecomment-319575939
 */

module.exports = {
	acquireContext: function(item) {
		if (item && item.canvas) {
			// Support for any object associated to a canvas (including a context2d)
			item = item.canvas;
		}

		return item && item.getContext('2d') || null;
	}
};