JScript: Find small album covers

README.md

JScript to find album covers that measure less than 1000x1000 px. Perfect for those who like to manage their large music libraries.

findSmallAlbumCovers.js

var fso, shellApp, wiaImg;

/* global WScript, ActiveXObject */
fso      = new ActiveXObject("Scripting.FileSystemObject");
shellApp = new ActiveXObject("Shell.Application");
wiaImg   = new ActiveXObject("WIA.ImageFile");

run();

function run () {
    var folder;

    folder = selectFolder();
    if (folder !== null) {
        outputResult(
            sortFiles(
                findFiles(folder)
            )
        );
    }
}

function selectFolder () {
    return shellApp.BrowseForFolder(0, "Select your Music folder", 0);
}

function findFiles (folder) {
    var files, items, item, path, width, height;

    files = [];
    items = folder.Items();
    for (var i=0; i<items.Count; i++) {
        item = items.Item(i);
        if (item.IsFolder) {
            files = files.concat(findFiles(item.GetFolder));
        }
        else if (item.Type.indexOf('image') !== -1) {
            path = item.Path;
            wiaImg.LoadFile(path);
            width = wiaImg.Width;
            height = wiaImg.Height;
            if (width < 1000) {
                files.push({
                    path: path,
                    width: width,
                    height: height
                });
            }
        }
    }
    return files;
}

function sortFiles (files) {
    return files.sort(function (fileA, fileB) { return fileA.width - fileB.width; });
}

function outputResult (files) {
    var currentDir, outputPath, outputFile, file;

    currentDir = fso.GetAbsolutePathName(".");
    outputPath = fso.BuildPath(currentDir, "covers.txt");
    outputFile = fso.CreateTextFile(outputPath, true, true);

    for (var i=0; i<files.length; i++) {
        file = files[i];
        outputFile.WriteLine(file.path + " " + file.width + "x" + file.height);
    }

    outputFile.Close();
    WScript.Echo("Done!");
}