85 lines
2.7 KiB
JavaScript
85 lines
2.7 KiB
JavaScript
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'use strict'
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var validate = require('aproba')
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var asyncMap = require('slide').asyncMap
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var chain = require('slide').chain
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var npmInstallChecks = require('npm-install-checks')
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var iferr = require('iferr')
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var checkEngine = npmInstallChecks.checkEngine
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var checkPlatform = npmInstallChecks.checkPlatform
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var npm = require('../npm.js')
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module.exports = function (idealTree, args, next) {
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validate('OAF', arguments)
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var force = npm.config.get('force')
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asyncMap(args, function (pkg, done) {
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chain([
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[hasMinimumFields, pkg],
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[checkSelf, idealTree, pkg, force],
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[isInstallable, idealTree, pkg]
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], done)
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}, next)
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}
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function hasMinimumFields (pkg, cb) {
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if (pkg.name === '' || pkg.name == null) {
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return cb(new Error(`Can't install ${pkg._resolved}: Missing package name`))
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} else if (pkg.version === '' || pkg.version == null) {
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return cb(new Error(`Can't install ${pkg._resolved}: Missing package version`))
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} else {
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return cb()
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}
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}
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function setWarnings (idealTree, warn) {
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function top (tree) {
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if (tree.parent) return top(tree.parent)
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return tree
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}
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var topTree = top(idealTree)
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if (!topTree.warnings) topTree.warnings = []
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if (topTree.warnings.every(i => (
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i.code !== warn.code ||
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i.required !== warn.required ||
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i.pkgid !== warn.pkgid))) {
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topTree.warnings.push(warn)
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}
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}
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var isInstallable = module.exports.isInstallable = function (idealTree, pkg, next) {
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var force = npm.config.get('force')
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var nodeVersion = npm.config.get('node-version')
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if (/-/.test(nodeVersion)) {
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// for the purposes of validation, if the node version is a prerelease,
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// strip that. We check and warn about this sceanrio over in validate-tree.
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nodeVersion = nodeVersion.replace(/-.*/, '')
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}
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var strict = npm.config.get('engine-strict')
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checkEngine(pkg, npm.version, nodeVersion, force, strict, iferr(next, thenWarnEngineIssues))
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function thenWarnEngineIssues (warn) {
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if (idealTree && warn) setWarnings(idealTree, warn)
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checkPlatform(pkg, force, next)
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}
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}
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function checkSelf (idealTree, pkg, force, next) {
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if (idealTree.package && idealTree.package.name !== pkg.name) return next()
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if (force) {
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var warn = new Error("Wouldn't install " + pkg.name + ' as a dependency of itself, but being forced')
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warn.code = 'ENOSELF'
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idealTree.warnings.push(warn)
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next()
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} else {
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var er = new Error('Refusing to install package with name "' + pkg.name +
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'" under a package\n' +
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'also called "' + pkg.name + '". Did you name your project the same\n' +
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'as the dependency you\'re installing?\n\n' +
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'For more information, see:\n' +
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' <https://docs.npmjs.com/cli/install#limitations-of-npms-install-algorithm>')
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er.code = 'ENOSELF'
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next(er)
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}
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}
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