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shrine-medco/apps/steward-app/node/node_modules/npm/lib/install/action/extract.js
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extract.js
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'use strict'
var path = require('path')
var iferr = require('iferr')
var asyncMap = require('slide').asyncMap
var fs = require('graceful-fs')
var rename = require('../../utils/rename.js')
var gentlyRm = require('../../utils/gently-rm.js')
var updatePackageJson = require('../update-package-json')
var npm = require('../../npm.js')
var moduleName = require('../../utils/module-name.js')
var packageId = require('../../utils/package-id.js')
var cache = require('../../cache.js')
var buildPath = require('../build-path.js')
module.exports = function (top, buildpath, pkg, log, next) {
log.silly('extract', packageId(pkg))
var up = npm.config.get('unsafe-perm')
var user = up ? null : npm.config.get('user')
var group = up ? null : npm.config.get('group')
cache.unpack(pkg.package.name, pkg.package.version, buildpath, null, null, user, group,
andUpdatePackageJson(pkg, buildpath, andStageBundledChildren(pkg, buildpath, log, next)))
}
function andUpdatePackageJson (pkg, buildpath, next) {
return iferr(next, function () {
updatePackageJson(pkg, buildpath, next)
})
}
function andStageBundledChildren (pkg, buildpath, log, next) {
var staging = path.resolve(buildpath, '..')
return iferr(next, function () {
for (var i = 0; i < pkg.children.length; ++i) {
var c = pkg.children[i]
if (!c.package.name) return next(c.error)
}
asyncMap(pkg.children, andStageBundledModule(pkg, staging, buildpath), cleanupBundled)
})
function cleanupBundled () {
gentlyRm(path.join(buildpath, 'node_modules'), next)
}
}
function andStageBundledModule (bundler, staging, parentPath) {
return function (child, next) {
stageBundledModule(bundler, child, staging, parentPath, next)
}
}
function getTree (pkg) {
while (pkg.parent) pkg = pkg.parent
return pkg
}
function warn (pkg, code, msg) {
var tree = getTree(pkg)
var err = new Error(msg)
err.code = code
tree.warnings.push(err)
}
function stageBundledModule (bundler, child, staging, parentPath, next) {
var stageFrom = path.join(parentPath, 'node_modules', child.package.name)
var stageTo = buildPath(staging, child)
asyncMap(child.children, andStageBundledModule(bundler, staging, stageFrom), iferr(next, moveModule))
function moveModule () {
if (child.fromBundle) {
return rename(stageFrom, stageTo, iferr(next, updateMovedPackageJson))
} else {
return fs.stat(stageFrom, function (notExists, exists) {
if (exists) {
warn(bundler, 'EBUNDLEOVERRIDE', 'In ' + packageId(bundler) +
' replacing bundled version of ' + moduleName(child) +
' with ' + packageId(child))
return gentlyRm(stageFrom, next)
} else {
return next()
}
})
}
}
function updateMovedPackageJson () {
updatePackageJson(child, stageTo, next)
}
}
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