svgsprite-file/lib/utils/copy-attributes.js

Generate a svg sprite full of symbols from a folder of svgs.

/**
 * Utility to copy specific attributes from one node to another.
 */

'use strict';

var ALWAYS_COPY_ATTRS = [
	'viewBox',
	'aria-labelledby',
	'role',
];

function copyAttributes(a, b, attrs) {
	var attrsToCopy = ALWAYS_COPY_ATTRS.concat(attrs || []);
	var copiedAttrs = Object.create(null);

	attrsToCopy.forEach(function (attr) {
		if (!attr || copiedAttrs[attr]) {
			return;
		}

		copiedAttrs[attr] = true;

		var bAttr = b.attr(attr);

		if (bAttr != null) {
			a.attr(attr, b.attr(attr));
		}
	});

	return a;
}

export default  copyAttributes;