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| // we know it's global and/or not top, so the path has to be
| // {prefix}/node_modules/{name}. Can't rely on pkg.name, because
| // it might be installed as an alias.
|
| const { dirname, basename } = require('path')
| // this gets called a lot and can't change, so memoize it
| const memo = new Map()
| module.exports = path => {
| if (memo.has(path)) {
| return memo.get(path)
| }
|
| const scopeOrNm = dirname(path)
| const nm = basename(scopeOrNm) === 'node_modules' ? scopeOrNm
| : dirname(scopeOrNm)
|
| memo.set(path, nm)
| return nm
| }
|
|