function urlSafeBase64DecodeString( str ) {
	const decodeMap = {
		'-': '+',
		_: '/',
		'.': '=',
	};

	return atob( str.replace( /[-_.]/g, ch => decodeMap[ ch ] ) );
}
function urlSafeBase64DecodeString( str ) {
	const decodeMap = {
		'-': '+',
		_: '/',
		'.': '=',
	};

	return atob( str.replace( /[-_.]/g, ch => decodeMap[ ch ] ) );
}
function urlSafeBase64DecodeString ( str ) { const decodeMap = { '-' : '+' , _ : '/' , '.' : '=' , } ; return atob ( str . replace ( / [-_.] / g , ch => decodeMap [ ch ] ) ) ; }
Decodes a url-safe base64 encoded string.

@param {String} str The url-safe base64 encoded string
@return {String} The decoded string
Decodes a url - safe base64 encoded string .