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graph.js
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graph.js
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const download = require('co-download')
const decompress = require('decompress')
const mkdirp = require('mkdirp')
const rmr = require('rmr')
const dep = require('./dependency-tree')
module.exports = function (user, repo) {
let tmpfolder = '/tmp/' + user + '/' + repo
let base = tmpfolder + '/' + repo + '-master'
mkdirp.sync(tmpfolder)
return download('https://github.com/' + user + '/' + repo + '/archive/master.zip', '/tmp/master.zip')
.then(filepath => decompress(filepath, tmpfolder))
.then(() => {
let rels = dep(base)
var dot = 'digraph main {\n'
for (let i = 0; i < rels.length; i++) {
let [from, kind, to] = rels[i]
dot += ` "${from}"->"${to}"` + '\n'
dot += ` "${from}" [URL="https://github.com/${user}/${repo}/blob/master/${from.slice(2)}"]` + '\n'
if (kind === 'external') {
dot += ` "${to}" [shape="box", URL="https://npmjs.com/package/${to}"]` + '\n'
} else if (kind === 'local') {
dot += ` "${to}" [URL="https://github.com/${user}/${repo}/blob/master/${to.slice(2)}"]` + '\n'
}
}
dot += '}'
rmr.sync(tmpfolder)
return dot
})
.catch(console.log)
}