File.prototype.slice = function()

in www/File.js [52:76]

• 23 lines of code
• 5 McCabe index (conditional complexity)

File.prototype.slice = function (start, end) {
    const size = this.end - this.start;
    let newStart = 0;
    let newEnd = size;
    if (arguments.length) {
        if (start < 0) {
            newStart = Math.max(size + start, 0);
        } else {
            newStart = Math.min(size, start);
        }
    }

    if (arguments.length >= 2) {
        if (end < 0) {
            newEnd = Math.max(size + end, 0);
        } else {
            newEnd = Math.min(end, size);
        }
    }

    const newFile = new File(this.name, this.localURL, this.type, this.lastModified, this.size);
    newFile.start = this.start + newStart;
    newFile.end = this.start + newEnd;
    return newFile;
};