getFileFromPathAsync()

in src/windows/FileProxy.js [1064:1094]

• 29 lines of code
• 3 McCabe index (conditional complexity)

        getFileFromPathAsync(wpath).done(function (storageFile) {
            // the current length of the file.
            let leng = 0;

            storageFile.getBasicPropertiesAsync().then(function (basicProperties) {
                leng = basicProperties.size;
                if (Number(size) >= leng) {
                    win(this.length);
                    return;
                }
                if (Number(size) >= 0) {
                    Windows.Storage.FileIO.readTextAsync(storageFile, Windows.Storage.Streams.UnicodeEncoding.utf8).then(function (fileContent) {
                        fileContent = fileContent.substr(0, size);
                        const name = storageFile.name;
                        storageFile.deleteAsync().then(function () {
                            return getFolderFromPathAsync(dirwpath);
                        }).done(function (storageFolder) {
                            storageFolder.createFileAsync(name).then(function (newStorageFile) {
                                Windows.Storage.FileIO.writeTextAsync(newStorageFile, fileContent).done(function () {
                                    win(String(fileContent).length);
                                }, function () {
                                    fail(FileError.NO_MODIFICATION_ALLOWED_ERR);
                                });
                            }, function () {
                                fail(FileError.NO_MODIFICATION_ALLOWED_ERR);
                            });
                        });
                    }, function () { fail(FileError.NOT_FOUND_ERR); });
                }
            });
        }, function () { fail(FileError.NOT_FOUND_ERR); });