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Mini Shell
Mini Shell
// helper function to output a clearer visualization
// of the current node and its descendents
const localeCompare = require('@isaacs/string-locale-compare')('en')
const util = require('util')
const relpath = require('./relpath.js')
class ArboristNode {
constructor (tree, path) {
this.name = tree.name
if (tree.packageName && tree.packageName !== this.name) {
this.packageName = tree.packageName
}
if (tree.version) {
this.version = tree.version
}
this.location = tree.location
this.path = tree.path
if (tree.realpath !== this.path) {
this.realpath = tree.realpath
}
if (tree.resolved !== null) {
this.resolved = tree.resolved
}
if (tree.extraneous) {
this.extraneous = true
}
if (tree.dev) {
this.dev = true
}
if (tree.optional) {
this.optional = true
}
if (tree.devOptional && !tree.dev && !tree.optional) {
this.devOptional = true
}
if (tree.peer) {
this.peer = true
}
if (tree.inBundle) {
this.bundled = true
}
if (tree.inDepBundle) {
this.bundler = tree.getBundler().location
}
if (tree.isProjectRoot) {
this.isProjectRoot = true
}
if (tree.isWorkspace) {
this.isWorkspace = true
}
const bd = tree.package && tree.package.bundleDependencies
if (bd && bd.length) {
this.bundleDependencies = bd
}
if (tree.inShrinkwrap) {
this.inShrinkwrap = true
} else if (tree.hasShrinkwrap) {
this.hasShrinkwrap = true
}
if (tree.error) {
this.error = treeError(tree.error)
}
if (tree.errors && tree.errors.length) {
this.errors = tree.errors.map(treeError)
}
if (tree.overrides) {
this.overrides = new Map([...tree.overrides.ruleset.values()]
.map((override) => [override.key, override.value]))
}
// edgesOut sorted by name
if (tree.edgesOut.size) {
this.edgesOut = new Map([...tree.edgesOut.entries()]
.sort(([a], [b]) => localeCompare(a, b))
.map(([name, edge]) => [name, new EdgeOut(edge)]))
}
// edgesIn sorted by location
if (tree.edgesIn.size) {
this.edgesIn = new Set([...tree.edgesIn]
.sort((a, b) => localeCompare(a.from.location, b.from.location))
.map(edge => new EdgeIn(edge)))
}
if (tree.workspaces && tree.workspaces.size) {
this.workspaces = new Map([...tree.workspaces.entries()]
.map(([name, path]) => [name, relpath(tree.root.realpath, path)]))
}
// fsChildren sorted by path
if (tree.fsChildren.size) {
this.fsChildren = new Set([...tree.fsChildren]
.sort(({ path: a }, { path: b }) => localeCompare(a, b))
.map(tree => printableTree(tree, path)))
}
// children sorted by name
if (tree.children.size) {
this.children = new Map([...tree.children.entries()]
.sort(([a], [b]) => localeCompare(a, b))
.map(([name, tree]) => [name, printableTree(tree, path)]))
}
}
}
class ArboristVirtualNode extends ArboristNode {
constructor (tree, path) {
super(tree, path)
this.sourceReference = printableTree(tree.sourceReference, path)
}
}
class ArboristLink extends ArboristNode {
constructor (tree, path) {
super(tree, path)
this.target = printableTree(tree.target, path)
}
}
const treeError = ({ code, path }) => ({
code,
...(path ? { path } : {}),
})
// print out edges without dumping the full node all over again
// this base class will toJSON as a plain old object, but the
// util.inspect() output will be a bit cleaner
class Edge {
constructor (edge) {
this.type = edge.type
this.name = edge.name
this.spec = edge.rawSpec || '*'
if (edge.rawSpec !== edge.spec) {
this.override = edge.spec
}
if (edge.error) {
this.error = edge.error
}
if (edge.peerConflicted) {
this.peerConflicted = edge.peerConflicted
}
}
}
// don't care about 'from' for edges out
class EdgeOut extends Edge {
constructor (edge) {
super(edge)
this.to = edge.to && edge.to.location
}
[util.inspect.custom] () {
return `{ ${this.type} ${this.name}@${this.spec}${
this.override ? ` overridden:${this.override}` : ''
}${
this.to ? ' -> ' + this.to : ''
}${
this.error ? ' ' + this.error : ''
}${
this.peerConflicted ? ' peerConflicted' : ''
} }`
}
}
// don't care about 'to' for edges in
class EdgeIn extends Edge {
constructor (edge) {
super(edge)
this.from = edge.from && edge.from.location
}
[util.inspect.custom] () {
return `{ ${this.from || '""'} ${this.type} ${this.name}@${this.spec}${
this.error ? ' ' + this.error : ''
}${
this.peerConflicted ? ' peerConflicted' : ''
} }`
}
}
const printableTree = (tree, path = []) => {
if (!tree) {
return tree
}
const Cls = tree.isLink ? ArboristLink
: tree.sourceReference ? ArboristVirtualNode
: ArboristNode
if (path.includes(tree)) {
const obj = Object.create(Cls.prototype)
return Object.assign(obj, { location: tree.location })
}
path.push(tree)
return new Cls(tree, path)
}
module.exports = printableTree
Zerion Mini Shell 1.0