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const archy = require('archy')
const Arborist = require('@npmcli/arborist')
const chalk = require('chalk')
const pacote = require('pacote')
const semver = require('semver')
const npa = require('npm-package-arg')
const { depth } = require('treeverse')
const {
readTree: getFundingInfo,
normalizeFunding,
isValidFunding,
} = require('libnpmfund')
const completion = require('./utils/completion/installed-deep.js')
const openUrl = require('./utils/open-url.js')
const ArboristWorkspaceCmd = require('./workspaces/arborist-cmd.js')
const getPrintableName = ({ name, version }) => {
const printableVersion = version ? `@${version}` : ''
return `${name}${printableVersion}`
}
class Fund extends ArboristWorkspaceCmd {
/* istanbul ignore next - see test/lib/load-all-commands.js */
static get description () {
return 'Retrieve funding information'
}
/* istanbul ignore next - see test/lib/load-all-commands.js */
static get name () {
return 'fund'
}
/* istanbul ignore next - see test/lib/load-all-commands.js */
static get params () {
return [
'json',
'browser',
'unicode',
'workspace',
'which',
]
}
/* istanbul ignore next - see test/lib/load-all-commands.js */
static get usage () {
return ['[[<@scope>/]<pkg>]']
}
/* istanbul ignore next - see test/lib/load-all-commands.js */
async completion (opts) {
return completion(this.npm, opts)
}
exec (args, cb) {
this.fund(args).then(() => cb()).catch(cb)
}
async fund (args) {
const spec = args[0]
const numberArg = this.npm.config.get('which')
const fundingSourceNumber = numberArg && parseInt(numberArg, 10)
const badFundingSourceNumber =
numberArg !== null &&
(String(fundingSourceNumber) !== numberArg || fundingSourceNumber < 1)
if (badFundingSourceNumber) {
const err = new Error('`npm fund [<@scope>/]<pkg> [--which=fundingSourceNumber]` must be given a positive integer')
err.code = 'EFUNDNUMBER'
throw err
}
if (this.npm.config.get('global')) {
const err = new Error('`npm fund` does not support global packages')
err.code = 'EFUNDGLOBAL'
throw err
}
const where = this.npm.prefix
const arb = new Arborist({ ...this.npm.flatOptions, path: where })
const tree = await arb.loadActual()
if (spec) {
await this.openFundingUrl({
path: where,
tree,
spec,
fundingSourceNumber,
})
return
}
const fundingInfo = getFundingInfo(tree, {
...this.flatOptions,
log: this.npm.log,
workspaces: this.workspaceNames,
})
if (this.npm.config.get('json'))
this.npm.output(this.printJSON(fundingInfo))
else
this.npm.output(this.printHuman(fundingInfo))
}
printJSON (fundingInfo) {
return JSON.stringify(fundingInfo, null, 2)
}
printHuman (fundingInfo) {
const color = this.npm.color
const unicode = this.npm.config.get('unicode')
const seenUrls = new Map()
const tree = obj =>
archy(obj, '', { unicode })
const result = depth({
tree: fundingInfo,
// composes human readable package name
// and creates a new archy item for readable output
visit: ({ name, version, funding }) => {
const [fundingSource] = []
.concat(normalizeFunding(funding))
.filter(isValidFunding)
const { url } = fundingSource || {}
const pkgRef = getPrintableName({ name, version })
let item = {
label: pkgRef,
}
if (url) {
item.label = tree({
label: color ? chalk.bgBlack.white(url) : url,
nodes: [pkgRef],
}).trim()
// stacks all packages together under the same item
if (seenUrls.has(url)) {
item = seenUrls.get(url)
item.label += `, ${pkgRef}`
return null
} else
seenUrls.set(url, item)
}
return item
},
// puts child nodes back into returned archy
// output while also filtering out missing items
leave: (item, children) => {
if (item)
item.nodes = children.filter(Boolean)
return item
},
// turns tree-like object return by libnpmfund
// into children to be properly read by treeverse
getChildren: (node) =>
Object.keys(node.dependencies || {})
.map(key => ({
name: key,
...node.dependencies[key],
})),
})
const res = tree(result)
return color ? chalk.reset(res) : res
}
async openFundingUrl ({ path, tree, spec, fundingSourceNumber }) {
const arg = npa(spec, path)
const retrievePackageMetadata = () => {
if (arg.type === 'directory') {
if (tree.path === arg.fetchSpec) {
// matches cwd, e.g: npm fund .
return tree.package
} else {
// matches any file path within current arborist inventory
for (const item of tree.inventory.values()) {
if (item.path === arg.fetchSpec)
return item.package
}
}
} else {
// tries to retrieve a package from arborist inventory
// by matching resulted package name from the provided spec
const [item] = [...tree.inventory.query('name', arg.name)]
.filter(i => semver.valid(i.package.version))
.sort((a, b) => semver.rcompare(a.package.version, b.package.version))
if (item)
return item.package
}
}
const { funding } = retrievePackageMetadata() ||
await pacote.manifest(arg, this.npm.flatOptions).catch(() => ({}))
const validSources = []
.concat(normalizeFunding(funding))
.filter(isValidFunding)
const matchesValidSource =
validSources.length === 1 ||
(fundingSourceNumber > 0 && fundingSourceNumber <= validSources.length)
if (matchesValidSource) {
const index = fundingSourceNumber ? fundingSourceNumber - 1 : 0
const { type, url } = validSources[index]
const typePrefix = type ? `${type} funding` : 'Funding'
const msg = `${typePrefix} available at the following URL`
return openUrl(this.npm, url, msg)
} else if (validSources.length && !(fundingSourceNumber >= 1)) {
validSources.forEach(({ type, url }, i) => {
const typePrefix = type ? `${type} funding` : 'Funding'
const msg = `${typePrefix} available at the following URL`
this.npm.output(`${i + 1}: ${msg}: ${url}`)
})
this.npm.output('Run `npm fund [<@scope>/]<pkg> --which=1`, for example, to open the first funding URL listed in that package')
} else {
const noFundingError = new Error(`No valid funding method available for: ${spec}`)
noFundingError.code = 'ENOFUND'
throw noFundingError
}
}
}
module.exports = Fund