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files >> //proc/thread-self/root/proc/self/root/opt/alt/alt-nodejs9/root/lib/node_modules/npm/lib/view.js
// npm view [pkg [pkg ...]] module.exports = view var npm = require('./npm.js') var readJson = require('read-package-json') var log = require('npmlog') var util = require('util') var semver = require('semver') var mapToRegistry = require('./utils/map-to-registry.js') var npa = require('npm-package-arg') var path = require('path') var usage = require('./utils/usage') view.usage = usage( 'view', 'npm view [<@scope>/]<pkg>[@<version>] [<field>[.subfield]...]' ) view.completion = function (opts, cb) { if (opts.conf.argv.remain.length <= 2) { // FIXME: there used to be registry completion here, but it stopped making // sense somewhere around 50,000 packages on the registry return cb() } // have the package, get the fields. var tag = npm.config.get('tag') mapToRegistry(opts.conf.argv.remain[2], npm.config, function (er, uri, auth) { if (er) return cb(er) npm.registry.get(uri, { auth: auth }, function (er, d) { if (er) return cb(er) var dv = d.versions[d['dist-tags'][tag]] var fields = [] d.versions = Object.keys(d.versions).sort(semver.compareLoose) fields = getFields(d).concat(getFields(dv)) cb(null, fields) }) }) function getFields (d, f, pref) { f = f || [] if (!d) return f pref = pref || [] Object.keys(d).forEach(function (k) { if (k.charAt(0) === '_' || k.indexOf('.') !== -1) return var p = pref.concat(k).join('.') f.push(p) if (Array.isArray(d[k])) { d[k].forEach(function (val, i) { var pi = p + '[' + i + ']' if (val && typeof val === 'object') getFields(val, f, [p]) else f.push(pi) }) return } if (typeof d[k] === 'object') getFields(d[k], f, [p]) }) return f } } function view (args, silent, cb) { if (typeof cb !== 'function') { cb = silent silent = false } if (!args.length) args = ['.'] var pkg = args.shift() var nv if (/^[.]@/.test(pkg)) { nv = npa.resolve(null, pkg.slice(2)) } else { nv = npa(pkg) } var name = nv.name var local = (name === '.' || !name) if (npm.config.get('global') && local) { return cb(new Error('Cannot use view command in global mode.')) } if (local) { var dir = npm.prefix readJson(path.resolve(dir, 'package.json'), function (er, d) { d = d || {} if (er && er.code !== 'ENOENT' && er.code !== 'ENOTDIR') return cb(er) if (!d.name) return cb(new Error('Invalid package.json')) var p = d.name nv = npa(p) if (pkg && ~pkg.indexOf('@')) { nv.rawSpec = pkg.split('@')[pkg.indexOf('@')] } fetchAndRead(nv, args, silent, cb) }) } else { fetchAndRead(nv, args, silent, cb) } } function fetchAndRead (nv, args, silent, cb) { // get the data about this package var name = nv.name var version = nv.rawSpec || npm.config.get('tag') mapToRegistry(name, npm.config, function (er, uri, auth) { if (er) return cb(er) npm.registry.get(uri, { auth: auth }, function (er, data) { if (er) return cb(er) if (data['dist-tags'] && data['dist-tags'].hasOwnProperty(version)) { version = data['dist-tags'][version] } if (data.time && data.time.unpublished) { var u = data.time.unpublished er = new Error('Unpublished by ' + u.name + ' on ' + u.time) er.statusCode = 404 er.code = 'E404' er.pkgid = data._id return cb(er, data) } var results = [] var error = null var versions = data.versions || {} data.versions = Object.keys(versions).sort(semver.compareLoose) if (!args.length) args = [''] // remove readme unless we asked for it if (args.indexOf('readme') === -1) { delete data.readme } Object.keys(versions).forEach(function (v) { if (semver.satisfies(v, version, true)) { args.forEach(function (args) { // remove readme unless we asked for it if (args.indexOf('readme') !== -1) { delete versions[v].readme } results.push(showFields(data, versions[v], args)) }) } }) results = results.reduce(reducer, {}) var retval = results if (args.length === 1 && args[0] === '') { retval = cleanBlanks(retval) log.silly('cleanup', retval) } if (error || silent) cb(error, retval) else printData(results, data._id, cb.bind(null, error, retval)) }) }) } function cleanBlanks (obj) { var clean = {} Object.keys(obj).forEach(function (version) { clean[version] = obj[version][''] }) return clean } function reducer (l, r) { if (r) { Object.keys(r).forEach(function (v) { l[v] = l[v] || {} Object.keys(r[v]).forEach(function (t) { l[v][t] = r[v][t] }) }) } return l } // return whatever was printed function showFields (data, version, fields) { var o = {} ;[data, version].forEach(function (s) { Object.keys(s).forEach(function (k) { o[k] = s[k] }) }) return search(o, fields.split('.'), version.version, fields) } function search (data, fields, version, title) { var field var tail = fields while (!field && fields.length) field = tail.shift() fields = [field].concat(tail) var o if (!field && !tail.length) { o = {} o[version] = {} o[version][title] = data return o } var index = field.match(/(.+)\[([^\]]+)\]$/) if (index) { field = index[1] index = index[2] if (data.field && data.field.hasOwnProperty(index)) { return search(data[field][index], tail, version, title) } else { field = field + '[' + index + ']' } } if (Array.isArray(data)) { if (data.length === 1) { return search(data[0], fields, version, title) } var results = [] data.forEach(function (data, i) { var tl = title.length var newt = title.substr(0, tl - fields.join('.').length - 1) + '[' + i + ']' + [''].concat(fields).join('.') results.push(search(data, fields.slice(), version, newt)) }) results = results.reduce(reducer, {}) return results } if (!data.hasOwnProperty(field)) return undefined data = data[field] if (tail.length) { if (typeof data === 'object') { // there are more fields to deal with. return search(data, tail, version, title) } else { return new Error('Not an object: ' + data) } } o = {} o[version] = {} o[version][title] = data return o } function printData (data, name, cb) { var versions = Object.keys(data) var msg = '' var msgJson = [] var includeVersions = versions.length > 1 var includeFields versions.forEach(function (v) { var fields = Object.keys(data[v]) includeFields = includeFields || (fields.length > 1) if (npm.config.get('json')) msgJson.push({}) fields.forEach(function (f) { var d = cleanup(data[v][f]) if (fields.length === 1 && npm.config.get('json')) { msgJson[msgJson.length - 1][f] = d } if (includeVersions || includeFields || typeof d !== 'string') { if (npm.config.get('json')) { msgJson[msgJson.length - 1][f] = d } else { d = util.inspect(d, { showHidden: false, depth: 5, colors: npm.color, maxArrayLength: null }) } } else if (typeof d === 'string' && npm.config.get('json')) { d = JSON.stringify(d) } if (!npm.config.get('json')) { if (f && includeFields) f += ' = ' if (d.indexOf('\n') !== -1) d = ' \n' + d msg += (includeVersions ? name + '@' + v + ' ' : '') + (includeFields ? f : '') + d + '\n' } }) }) if (npm.config.get('json')) { if (msgJson.length && Object.keys(msgJson[0]).length === 1) { var k = Object.keys(msgJson[0])[0] msgJson = msgJson.map(function (m) { return m[k] }) } if (msgJson.length === 1) { msg = JSON.stringify(msgJson[0], null, 2) + '\n' } else if (msgJson.length > 1) { msg = JSON.stringify(msgJson, null, 2) + '\n' } } // preserve output symmetry by adding a whitespace-only line at the end if // there's one at the beginning if (/^\s*\n/.test(msg)) msg += '\n' // disable the progress bar entirely, as we can't meaningfully update it if // we may have partial lines printed. log.disableProgress() // print directly to stdout to not unnecessarily add blank lines process.stdout.write(msg, () => cb(null, data)) } function cleanup (data) { if (Array.isArray(data)) { return data.map(cleanup) } if (!data || typeof data !== 'object') return data if (typeof data.versions === 'object' && data.versions && !Array.isArray(data.versions)) { data.versions = Object.keys(data.versions || {}) } var keys = Object.keys(data) keys.forEach(function (d) { if (d.charAt(0) === '_') delete data[d] else if (typeof data[d] === 'object') data[d] = cleanup(data[d]) }) keys = Object.keys(data) if (keys.length <= 3 && data.name && (keys.length === 1 || keys.length === 3 && data.email && data.url || keys.length === 2 && (data.email || data.url))) { data = unparsePerson(data) } return data } function unparsePerson (d) { if (typeof d === 'string') return d return d.name + (d.email ? ' <' + d.email + '>' : '') + (d.url ? ' (' + d.url + ')' : '') }
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