module.exports = docs

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var openUrl = require('./utils/open-url')

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var log = require('npmlog')

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var fetchPackageMetadata = require('./fetch-package-metadata.js')

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var usage = require('./utils/usage')

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docs.usage = usage(

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'docs',

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'npm docs <pkgname>' +

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'\nnpm docs .'

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)

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docs.completion = function (opts, cb) {

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// FIXME: there used to be registry completion here, but it stopped making

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// sense somewhere around 50,000 packages on the registry

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cb()

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}

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function docs (args, cb) {

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if (!args || !args.length) args = ['.']

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var pending = args.length

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log.silly('docs', args)

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args.forEach(function (proj) {

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getDoc(proj, function (err) {

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if (err) {

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return cb(err)

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}

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--pending || cb()

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})

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})

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}

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function getDoc (project, cb) {

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log.silly('getDoc', project)

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fetchPackageMetadata(project, '.', {fullMetadata: true}, function (er, d) {

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if (er) return cb(er)

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var url = d.homepage

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if (!url) url = 'https://www.npmjs.org/package/' + d.name

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return openUrl(url, 'docs available at the following URL', cb)

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})

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}

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