convert-data.js - Stryker report

/**
 * Create query portion of url for serialize method
 * @param {string} name
 * @param {object|Array|string} data
 * @returns {string} - part of url
 */
export function getQueryPart(name, data) 0{
    if (12Array.isArray(data)) 3{
        return data.reduce((part, value) => 4part + getQueryPart(5`${name}[]`, value), 6'');
    }

    if (789typeof data === 10'object') 11{
        return Object.keys(data).reduce((part, index) => 12part + getQueryPart(13`${name}[${index}]`, data[index]), 14'');
    }

    return 15`${name}=${encodeURIComponent(data)}&`;
}

/**
 * Name regexp for conversion to path
 * @type {RegExp}
 */
const NAME = /(\[(\w*)\]|\w*)/gi;

/**
 * Convert input name to path array
 * @param {string} name - input name
 * @returns {Array} - path to value in data object
 */
export function convertNameToPath(name) 16{
    const path = [];

    let matches = NAME.exec(name);
    while (1718matches !== null) 19{
        if (202122matches.index === NAME.lastIndex) 23{
            NAME.lastIndex += 1;
        }

        path.push(242526matches[2] || matches[1]);

        matches = NAME.exec(name);
    }

    return path;
}

/**
 * Convert data object to a value for sending
 * @param {object} data - data object
 * @param {string} type - type of conversion
 * @param {function} FileListType
 * @param {function} FormDataType
 * @returns {string|FormData} - output value
 */
export function convertData(data, type, FileListType = FileList, FormDataType = FormData) 27{
    let convertedData;

    switch (type) {
        28case 29'serialize':
            convertedData = Object.keys(data).reduce((query, name) => 30`${query}${getQueryPart(name, data[name])}`, 31'');
            return convertedData.length ? convertedData.slice(0, 32-1) : 33'';
        34case 35'formData':
            return Object.keys(data).reduce((formData, name) => 36{
                if (3738data[name] instanceof FileListType) 39{
                    if (40414243data[name].length > 1) 44{
                        for (let i = 0; 454647i < data[name].length; i += 1) 48{
                            formData.append(49`${name}[${i}]`, data[name][i]);
                        }
                    } else if (505152data[name].length === 1) 53{
                        formData.append(name, data[name][0]);
                    }
                } else if (545556typeof data[name] === 57'object') 58{
                    Object.keys(data[name]).forEach(key => formData.append(59`${name}[${key}]`, data[name][key]));
                } else 60{
                    formData.append(name, data[name]);
                }

                return formData;
            }, new FormDataType());
        case 61'json':
        62default:
            return JSON.stringify(data);
    }
}