nodejs/deps/npm/node_modules/tar/lib/strip-trailing-slashes.js
npm team 7e6e593701
deps: upgrade npm to 7.21.1
PR-URL: https://github.com/nodejs/node/pull/39904
Reviewed-By: Myles Borins <myles.borins@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
2021-08-28 10:41:53 -04:00

14 lines
394 B
JavaScript

// warning: extremely hot code path.
// This has been meticulously optimized for use
// within npm install on large package trees.
// Do not edit without careful benchmarking.
module.exports = str => {
let i = str.length - 1
let slashesStart = -1
while (i > -1 && str.charAt(i) === '/') {
slashesStart = i
i--
}
return slashesStart === -1 ? str : str.slice(0, slashesStart)
}