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shrine-medco/apps/steward-app/node/node_modules/npm/lib/install/mutate-into-logical-tree.js
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mutate-into-logical-tree.js
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'use strict'
var union = require('lodash.union')
var without = require('lodash.without')
var validate = require('aproba')
var flattenTree = require('./flatten-tree.js')
var isExtraneous = require('./is-extraneous.js')
var validateAllPeerDeps = require('./deps.js').validateAllPeerDeps
var packageId = require('../utils/package-id.js')
var moduleName = require('../utils/module-name.js')
var mutateIntoLogicalTree = module.exports = function (tree) {
validate('O', arguments)
validateAllPeerDeps(tree, function (tree, pkgname, version) {
if (!tree.missingPeers) tree.missingPeers = {}
tree.missingPeers[pkgname] = version
})
var flat = flattenTree(tree)
function getNode (flatname) {
return flatname.substr(0, 5) === '#DEV:'
? flat[flatname.substr(5)]
: flat[flatname]
}
Object.keys(flat).sort().forEach(function (flatname) {
var node = flat[flatname]
var requiredBy = node.package._requiredBy || []
var requiredByNames = requiredBy.filter(function (parentFlatname) {
var parentNode = getNode(parentFlatname)
if (!parentNode) return false
return parentNode.package.dependencies[moduleName(node)] ||
(parentNode.package.devDependencies && parentNode.package.devDependencies[moduleName(node)])
})
requiredBy = requiredByNames.map(getNode)
node.requiredBy = requiredBy
if (!requiredBy.length) return
if (node.parent) node.parent.children = without(node.parent.children, node)
requiredBy.forEach(function (parentNode) {
parentNode.children = union(parentNode.children, [node])
})
if (node.package._requiredBy.some(function (nodename) { return nodename[0] === '#' })) {
tree.children = union(tree.children, [node])
}
})
return tree
}
module.exports.asReadInstalled = function (tree) {
mutateIntoLogicalTree(tree)
return translateTree(tree)
}
function translateTree (tree) {
return translateTree_(tree, {})
}
function translateTree_ (tree, seen) {
var pkg = tree.package
if (seen[tree.path]) return pkg
seen[tree.path] = pkg
if (pkg._dependencies) return pkg
pkg._dependencies = pkg.dependencies
pkg.dependencies = {}
tree.children.forEach(function (child) {
pkg.dependencies[moduleName(child)] = translateTree_(child, seen)
})
Object.keys(tree.missingDeps).forEach(function (name) {
if (pkg.dependencies[name]) {
pkg.dependencies[name].invalid = true
pkg.dependencies[name].realName = name
pkg.dependencies[name].extraneous = false
} else {
pkg.dependencies[name] = {
requiredBy: tree.missingDeps[name],
missing: true,
optional: !!pkg.optionalDependencies[name]
}
}
})
var checkForMissingPeers = (tree.parent ? [] : [tree]).concat(tree.children)
checkForMissingPeers.filter(function (child) {
return child.missingPeers
}).forEach(function (child) {
Object.keys(child.missingPeers).forEach(function (pkgname) {
var version = child.missingPeers[pkgname]
var peerPkg = pkg.dependencies[pkgname]
if (!peerPkg) {
peerPkg = pkg.dependencies[pkgname] = {
_id: pkgname + '@' + version,
name: pkgname,
version: version
}
}
if (!peerPkg.peerMissing) peerPkg.peerMissing = []
peerPkg.peerMissing.push({
requiredBy: packageId(child),
requires: pkgname + '@' + version
})
})
})
pkg.path = tree.path
pkg.error = tree.error
pkg.extraneous = isExtraneous(tree)
if (tree.target && tree.parent && !tree.parent.target) pkg.link = tree.realpath
return pkg
}
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