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const { resolve } = require('path')
const Arborist = require('@npmcli/arborist')
const localeCompare = require('@isaacs/string-locale-compare')('en')
const installedDeep = async (npm) => {
const {
depth,
global,
prefix,
} = npm.flatOptions
const getValues = (tree) =>
[...tree.inventory.values()]
.filter(i => i.location !== '' && !i.isRoot)
.map(i => {
return i
})
.filter(i => (i.depth - 1) <= depth)
.sort((a, b) => (a.depth - b.depth) || localeCompare(a.name, b.name))
const res = new Set()
const gArb = new Arborist({ global: true, path: resolve(npm.globalDir, '..') })
const gTree = await gArb.loadActual({ global: true })
for (const node of getValues(gTree))
res.add(global ? node.name : [node.name, '-g'])
if (!global) {
const arb = new Arborist({ global: false, path: prefix })
const tree = await arb.loadActual()
for (const node of getValues(tree))
res.add(node.name)
}
return [...res]
}
module.exports = installedDeep
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