three/src/loaders/LoaderUtils.js

JavaScript 3D library

/**
 * @author Don McCurdy / https://www.donmccurdy.com
 */

var LoaderUtils = {

	decodeText: function ( array ) {

		if ( typeof TextDecoder !== 'undefined' ) {

			return new TextDecoder().decode( array );

		}

		// Avoid the String.fromCharCode.apply(null, array) shortcut, which
		// throws a "maximum call stack size exceeded" error for large arrays.

		var s = '';

		for ( var i = 0, il = array.length; i < il; i ++ ) {

			// Implicitly assumes little-endian.
			s += String.fromCharCode( array[ i ] );

		}

		// Merges multi-byte utf-8 characters.
		return decodeURIComponent( escape( s ) );

	},

	extractUrlBase: function ( url ) {

		var parts = url.split( '/' );

		if ( parts.length === 1 ) return './';

		parts.pop();

		return parts.join( '/' ) + '/';

	}

};

export { LoaderUtils };