数通智联化工云平台
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2 years ago
/**
* Takes a full filename string and returns an object {name, extension}
*
* @param {string} fullFileName
* @returns {object} {name, extension}
*/
export default function getFileNameAndExtension (fullFileName) {
const lastDot = fullFileName.lastIndexOf('.')
// these count as no extension: "no-dot", "trailing-dot."
if (lastDot === -1 || lastDot === fullFileName.length - 1) {
return {
name: fullFileName,
extension: undefined,
}
}
return {
name: fullFileName.slice(0, lastDot),
extension: fullFileName.slice(lastDot + 1),
}
}