julie-ng/blocklift-js

const FileType = require('file-type')
const isBinaryPath = require('is-binary-path')
const textMimeTypes = {
    txt: 'text/plain',
    xml: 'text/xml',
    csv: 'text/csv'
}

function _getFilename (filepath) {
    let parts = filepath.split('/')
    return parts[ parts.length - 1 ]
}

function _getFileExtension (filename) {
    let parts = filename.split('.')
    return parts[ parts.length - 1 ]
}

async function _getContentTypeFromFile (filepath) {
    const filetype = await FileType.fromFile(filepath)
    const isBinary = isBinaryPath(filepath)
    let type = ''

    if (filetype && isBinary) {
        type = filetype.mime
    } else if (filetype === undefined && !isBinary) {
        type = textMimeTypes[_getFileExtension(filepath)] // refactor
    }

    return type
}

function _capitalize (str) {
    return str[0].toUpperCase() + str.slice(1)
}

module.exports = {
    capitalize: _capitalize,
    getContentTypeFromFile: _getContentTypeFromFile,
    getFilename: _getFilename,
    getFileExtension: _getFileExtension
}