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| Dir : //proc/self/root/opt/alt/alt-nodejs11/root/usr/lib/node_modules/npm/lib/install/actions.js |
'use strict'
const BB = require('bluebird')
const andAddParentToErrors = require('./and-add-parent-to-errors.js')
const failedDependency = require('./deps.js').failedDependency
const isInstallable = BB.promisify(require('./validate-args.js').isInstallable)
const moduleName = require('../utils/module-name.js')
const npm = require('../npm.js')
const reportOptionalFailure = require('./report-optional-failure.js')
const validate = require('aproba')
const actions = {}
actions.fetch = require('./action/fetch.js')
actions.extract = require('./action/extract.js')
actions.build = require('./action/build.js')
actions.preinstall = require('./action/preinstall.js')
actions.install = require('./action/install.js')
actions.postinstall = require('./action/postinstall.js')
actions.prepare = require('./action/prepare.js')
actions.finalize = require('./action/finalize.js')
actions.remove = require('./action/remove.js')
actions.unbuild = require('./action/unbuild.js')
actions.move = require('./action/move.js')
actions['global-install'] = require('./action/global-install.js')
actions['global-link'] = require('./action/global-link.js')
actions['refresh-package-json'] = require('./action/refresh-package-json.js')
// FIXME: We wrap actions like three ways to sunday here.
// Rewrite this to only work one way.
Object.keys(actions).forEach(function (actionName) {
var action = actions[actionName]
actions[actionName] = (staging, pkg, log) => {
validate('SOO', [staging, pkg, log])
// refuse to run actions for failed packages
if (pkg.failed) return BB.resolve()
if (action.rollback) {
if (!pkg.rollback) pkg.rollback = []
pkg.rollback.unshift(action.rollback)
}
if (action.commit) {
if (!pkg.commit) pkg.commit = []
pkg.commit.push(action.commit)
}
let actionP
if (pkg.knownInstallable) {
actionP = runAction(action, staging, pkg, log)
} else {
actionP = isInstallable(pkg.package).then(() => {
pkg.knownInstallable = true
return runAction(action, staging, pkg, log)
})
}
return actionP.then(() => {
log.finish()
}, (err) => {
return BB.fromNode((cb) => {
andAddParentToErrors(pkg.parent, cb)(err)
}).catch((err) => {
return handleOptionalDepErrors(pkg, err)
})
})
}
actions[actionName].init = action.init || (() => BB.resolve())
actions[actionName].teardown = action.teardown || (() => BB.resolve())
})
exports.actions = actions
function runAction (action, staging, pkg, log) {
return BB.fromNode((cb) => {
const result = action(staging, pkg, log, cb)
if (result && result.then) {
result.then(() => cb(), cb)
}
})
}
function markAsFailed (pkg) {
if (pkg.failed) return
pkg.failed = true
pkg.requires.forEach((req) => {
var requiredBy = req.requiredBy.filter((reqReqBy) => !reqReqBy.failed)
if (requiredBy.length === 0 && !req.userRequired) {
markAsFailed(req)
}
})
}
function handleOptionalDepErrors (pkg, err) {
markAsFailed(pkg)
var anyFatal = failedDependency(pkg)
if (anyFatal) {
throw err
} else {
reportOptionalFailure(pkg, null, err)
}
}
exports.doOne = doOne
function doOne (cmd, staging, pkg, log, next) {
validate('SSOOF', arguments)
const prepped = prepareAction([cmd, pkg], staging, log)
return withInit(actions[cmd], () => {
return execAction(prepped)
}).nodeify(next)
}
exports.doParallel = doParallel
function doParallel (type, staging, actionsToRun, log, next) {
validate('SSAOF', arguments)
const acts = actionsToRun.reduce((acc, todo) => {
if (todo[0] === type) {
acc.push(prepareAction(todo, staging, log))
}
return acc
}, [])
log.silly('doParallel', type + ' ' + acts.length)
time(log)
if (!acts.length) { return next() }
return withInit(actions[type], () => {
return BB.map(acts, execAction, {
concurrency: npm.limit.action
})
}).nodeify((err) => {
log.finish()
timeEnd(log)
next(err)
})
}
exports.doSerial = doSerial
function doSerial (type, staging, actionsToRun, log, next) {
validate('SSAOF', arguments)
log.silly('doSerial', '%s %d', type, actionsToRun.length)
runSerial(type, staging, actionsToRun, log, next)
}
exports.doReverseSerial = doReverseSerial
function doReverseSerial (type, staging, actionsToRun, log, next) {
validate('SSAOF', arguments)
log.silly('doReverseSerial', '%s %d', type, actionsToRun.length)
runSerial(type, staging, [].concat(actionsToRun).reverse(), log, next)
}
function runSerial (type, staging, actionsToRun, log, next) {
const acts = actionsToRun.reduce((acc, todo) => {
if (todo[0] === type) {
acc.push(prepareAction(todo, staging, log))
}
return acc
}, [])
time(log)
if (!acts.length) { return next() }
return withInit(actions[type], () => {
return BB.each(acts, execAction)
}).nodeify((err) => {
log.finish()
timeEnd(log)
next(err)
})
}
function time (log) {
process.emit('time', 'action:' + log.name)
}
function timeEnd (log) {
process.emit('timeEnd', 'action:' + log.name)
}
function withInit (action, body) {
return BB.using(
action.init().disposer(() => action.teardown()),
body
)
}
function prepareAction (action, staging, log) {
validate('ASO', arguments)
validate('SO', action)
var cmd = action[0]
var pkg = action[1]
if (!actions[cmd]) throw new Error('Unknown decomposed command "' + cmd + '" (is it new?)')
return [actions[cmd], staging, pkg, log.newGroup(cmd + ':' + moduleName(pkg))]
}
function execAction (todo) {
return todo[0].apply(null, todo.slice(1))
}