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27 lines
409 B
JavaScript

5 years ago
'use strict';
module.exports = function () {
var lastLine = [''];
function update(str) {
var idx = str.lastIndexOf('\n');
if (idx === -1) {
lastLine.push(str);
} else {
lastLine = [str.substring(idx + 1)];
}
}
function getLastLine() {
if (lastLine.length > 1) {
lastLine = [lastLine.join('')];
}
return lastLine[0];
}
return {
update: update,
lastLine: getLastLine
};
};