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usr
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node_modules
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npm
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lib
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utils
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files >> //proc/thread-self/root/usr/lib/node_modules/npm/lib/utils/funding.js
'use strict' const URL = require('url').URL exports.getFundingInfo = getFundingInfo exports.retrieveFunding = retrieveFunding exports.validFundingField = validFundingField const flatCacheSymbol = Symbol('npm flat cache') exports.flatCacheSymbol = flatCacheSymbol // supports object funding and string shorthand, or an array of these // if original was an array, returns an array; else returns the lone item function retrieveFunding (funding) { const sources = [].concat(funding || []).map(item => ( typeof item === 'string' ? { url: item } : item )) return Array.isArray(funding) ? sources : sources[0] } // Is the value of a `funding` property of a `package.json` // a valid type+url for `npm fund` to display? function validFundingField (funding) { if (!funding) return false if (Array.isArray(funding)) { return funding.every(f => !Array.isArray(f) && validFundingField(f)) } try { var parsed = new URL(funding.url || funding) } catch (error) { return false } if ( parsed.protocol !== 'https:' && parsed.protocol !== 'http:' ) return false return Boolean(parsed.host) } const empty = () => Object.create(null) function getFundingInfo (idealTree, opts) { let packageWithFundingCount = 0 const flat = empty() const seen = new Set() const { countOnly } = opts || {} const _trailingDependencies = Symbol('trailingDependencies') function tracked (name, version) { const key = String(name) + String(version) if (seen.has(key)) { return true } seen.add(key) } function retrieveDependencies (dependencies) { const trailing = dependencies[_trailingDependencies] if (trailing) { return Object.assign( empty(), dependencies, trailing ) } return dependencies } function hasDependencies (dependencies) { return dependencies && ( Object.keys(dependencies).length || dependencies[_trailingDependencies] ) } function addToFlatCache (funding, dep) { [].concat(funding || []).forEach((f) => { const key = f.url if (!Array.isArray(flat[key])) { flat[key] = [] } flat[key].push(dep) }) } function attachFundingInfo (target, funding, dep) { if (funding && validFundingField(funding)) { target.funding = retrieveFunding(funding) if (!countOnly) { addToFlatCache(target.funding, dep) } packageWithFundingCount++ } } function getFundingDependencies (tree) { const deps = tree && tree.dependencies if (!deps) return empty() const directDepsWithFunding = Object.keys(deps).map((key) => { const dep = deps[key] const { name, funding, version } = dep // avoids duplicated items within the funding tree if (tracked(name, version)) return empty() const fundingItem = {} if (version) { fundingItem.version = version } attachFundingInfo(fundingItem, funding, dep) return { dep, fundingItem } }) return directDepsWithFunding.reduce((res, { dep: directDep, fundingItem }, i) => { if (!fundingItem || fundingItem.length === 0) return res // recurse const transitiveDependencies = directDep.dependencies && Object.keys(directDep.dependencies).length > 0 && getFundingDependencies(directDep) // if we're only counting items there's no need // to add all the data to the resulting object if (countOnly) return null if (hasDependencies(transitiveDependencies)) { fundingItem.dependencies = retrieveDependencies(transitiveDependencies) } if (fundingItem.funding && fundingItem.funding.length !== 0) { res[directDep.name] = fundingItem } else if (fundingItem.dependencies) { res[_trailingDependencies] = Object.assign( empty(), res[_trailingDependencies], fundingItem.dependencies ) } return res }, countOnly ? null : empty()) } const idealTreeDependencies = getFundingDependencies(idealTree) const result = { length: packageWithFundingCount } if (!countOnly) { result.name = idealTree.name || idealTree.path if (idealTree && idealTree.version) { result.version = idealTree.version } if (idealTree && idealTree.funding) { result.funding = retrieveFunding(idealTree.funding) } result.dependencies = retrieveDependencies(idealTreeDependencies) result[flatCacheSymbol] = flat } return result }
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