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module.exports = unbuild
module.exports.rmStuff = rmStuff
unbuild.usage = 'npm unbuild <folder>\n(this is plumbing)'
const readJson = require('read-package-json')
const gentlyRm = require('./utils/gently-rm.js')
const npm = require('./npm.js')
const path = require('path')
const isInside = require('path-is-inside')
const lifecycle = require('./utils/lifecycle.js')
const asyncMap = require('slide').asyncMap
const chain = require('slide').chain
const log = require('npmlog')
const build = require('./build.js')
const output = require('./utils/output.js')
// args is a list of folders.
// remove any bins/etc, and then delete the folder.
function unbuild (args, silent, cb) {
if (typeof silent === 'function') {
cb = silent
silent = false
}
asyncMap(args, unbuild_(silent), cb)
}
function unbuild_ (silent) {
return function (folder, cb_) {
function cb (er) {
cb_(er, path.relative(npm.root, folder))
}
folder = path.resolve(folder)
const base = isInside(folder, npm.prefix) ? npm.prefix : folder
delete build._didBuild[folder]
log.verbose('unbuild', folder.substr(npm.prefix.length + 1))
readJson(path.resolve(folder, 'package.json'), function (er, pkg) {
// if no json, then just trash it, but no scripts or whatever.
if (er) return gentlyRm(folder, false, base, cb)
chain(
[
[lifecycle, pkg, 'preuninstall', folder, { failOk: true }],
[lifecycle, pkg, 'uninstall', folder, { failOk: true }],
!silent && function (cb) {
output('unbuild ' + pkg._id)
cb()
},
[rmStuff, pkg, folder],
[lifecycle, pkg, 'postuninstall', folder, { failOk: true }],
[gentlyRm, folder, false, base]
],
cb
)
})
}
}
function rmStuff (pkg, folder, cb) {
// if it's global, and folder is in {prefix}/node_modules,
// then bins are in {prefix}/bin
// otherwise, then bins are in folder/../.bin
const dir = path.dirname(folder)
const scope = path.basename(dir)
const parent = scope.charAt(0) === '@' ? path.dirname(dir) : dir
const gnm = npm.dir
// gnm might be an absolute path, parent might be relative
// this checks they're the same directory regardless
const top = path.relative(gnm, parent) === ''
log.verbose('unbuild rmStuff', pkg._id, 'from', gnm)
if (!top) log.verbose('unbuild rmStuff', 'in', parent)
asyncMap([rmBins, rmMans], function (fn, cb) {
fn(pkg, folder, parent, top, cb)
}, cb)
}
function rmBins (pkg, folder, parent, top, cb) {
if (!pkg.bin) return cb()
const binRoot = top ? npm.bin : path.resolve(parent, '.bin')
asyncMap(Object.keys(pkg.bin), function (b, cb) {
if (process.platform === 'win32') {
chain([ [gentlyRm, path.resolve(binRoot, b) + '.cmd', true, folder],
[gentlyRm, path.resolve(binRoot, b), true, folder] ], cb)
} else {
gentlyRm(path.resolve(binRoot, b), true, folder, cb)
}
}, gentlyRmBinRoot)
function gentlyRmBinRoot (err) {
if (err || top) return cb(err)
return gentlyRm(binRoot, true, parent, cb)
}
}
function rmMans (pkg, folder, parent, top, cb) {
if (!pkg.man ||
!top ||
process.platform === 'win32' ||
!npm.config.get('global')) {
return cb()
}
const manRoot = path.resolve(npm.config.get('prefix'), 'share', 'man')
log.verbose('rmMans', 'man files are', pkg.man, 'in', manRoot)
asyncMap(pkg.man, function (man, cb) {
if (Array.isArray(man)) {
man.forEach(rmMan)
} else {
rmMan(man)
}
function rmMan (man) {
log.silly('rmMan', 'preparing to remove', man)
const parseMan = man.match(/(.*\.([0-9]+)(\.gz)?)$/)
if (!parseMan) {
log.error(
'rmMan', man, 'is not a valid name for a man file.',
'Man files must end with a number, ' +
'and optionally a .gz suffix if they are compressed.'
)
return cb()
}
const stem = parseMan[1]
const sxn = parseMan[2]
const gz = parseMan[3] || ''
const bn = path.basename(stem)
const manDest = path.join(
manRoot,
'man' + sxn,
(bn.indexOf(pkg.name) === 0 ? bn : pkg.name + '-' + bn) + '.' + sxn + gz
)
gentlyRm(manDest, true, cb)
}
}, cb)
}
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