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index.js
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index.js
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const { writeFile } = require('fs')
const { resolve } = require('path')
const { Pkg, makeDependencyGraph, inverseDependencyGraph } = require('./lib/pkg')
const { getAllPackages } = require('./lib/util')
const semver = require('semver')
const { diff } = require('./lib/util')
function getRootPkg() {
return new Pkg(require(resolve('package.json')))
}
function getPackages() {
const packageFilenames = getAllPackages()
const packageFiles = packageFilenames.map((file) => ({ file, contents: require(resolve(file)) }))
return packageFiles
}
function buildGraph() {
const graph = makeDependencyGraph(getPackages())
return graph
}
function identifyOutOfSync(graph, versionType = 'original') {
const inverseGraph = inverseDependencyGraph(graph)
const outOfSync = { dependencies: [], peerDependencies: [], devDependencies: [] }
function check(type) {
Object.entries(inverseGraph[type]).forEach(([name, dependents]) => {
const pkg = graph[name]
dependents.forEach((dependent) => {
const range = dependent._contents[type][name]
const inSync = semver.satisfies(pkg.version[versionType], range)
if (!inSync) {
outOfSync[type].push({
name: dependent.name,
requires: `${name}@${range}`,
current: pkg.version[versionType],
})
}
})
})
}
check('dependencies')
check('peerDependencies')
check('devDependencies')
return outOfSync
}
function compareGT(target, current) {
if (!target) return false
if (target.includes('major')) {
return (
!current ||
current.includes('minor') ||
current.includes('patch') ||
current.includes('prerelease')
)
}
if (target.includes('minor')) {
return !current || current.includes('patch') || current.includes('prerelease')
}
if (target.includes('patch')) {
return !current || current.includes('prerelease')
}
if (target.includes('prerelease')) {
return !current
}
if (target === 'release') {
return !current
}
return false
}
function cascade({ pkg, targetDiffType, dependents, graph }) {
if (compareGT(targetDiffType, pkg.versionDiff)) {
pkg.inc(targetDiffType)
let [baseType, prerelease = ''] = targetDiffType.split('-')
const bumpMajor = (dependent) => {
if (
baseType === 'major' &&
dependent.version.original.startsWith('0') &&
!prerelease.startsWith('pre')
) {
cascade({ pkg: dependent, targetDiffType: `major-pre${prerelease}`, dependents, graph })
} else {
cascade({ pkg: dependent, targetDiffType, dependents, graph })
}
}
// all my dependents must be updated to the level I was updated
dependents.dependencies[pkg.name]?.forEach(bumpMajor)
dependents.peerDependencies[pkg.name]?.forEach(bumpMajor)
// dev deps would be at most a patch, but we don't care since they don't release
// but this would be the right way to update it:
// dependents.devDependencies[pkg.name]?.forEach((dependent) => {
// cascade({ pkg: dependent, targetDiffType: 'patch' + (prerelease ? '-' + prerelease : ''), dependents, graph })
// })
}
}
function targetUpdate(targetPkg, targetVersion, graph) {
const { version } = semver.parse(targetVersion)
const targetDiffType = diff(targetPkg.version.pending, version)
const dependents = inverseDependencyGraph(graph)
cascade({ pkg: targetPkg, targetDiffType, dependents, graph })
return graph
}
function commit(graph) {
getPackages().forEach(({ file, contents }) => {
const pkg = graph[contents.name]
const filepath = resolve('.', file)
if (pkg && pkg.versionDiff) {
writeFile(filepath, pkg.toString() + '\n', (err) => {
if (err) {
console.error(err)
} else {
console.log(file, 'updated successfully.')
}
})
}
})
}
function summarize(graph) {
return Object.entries(graph)
.map(
([
name,
{
version: { original, pending },
},
]) => ({
Package: name,
PendingVersion: pending,
OriginalVersion: original,
Changed: original !== pending,
})
)
.sort((a, b) => a.Package.localeCompare(b.Package))
}
function checkRootPackage(graph) {
const rootPkg = getRootPkg()
function check(type) {
const deps = rootPkg._contents[type] || {}
return Object.entries(deps)
.map(([name, range]) => {
const pkg = graph[name]
if (pkg) {
// Note that semver.satisfies counts 10.0.0 as satisfying ^10.0.0-rc.0 so we can't use that
// const inSync = semver.satisfies(pkg.version.pending, range)
// we do a dirty check instead
const outOfSync = pkg.version.pending !== semver.minVersion(range).raw
if (outOfSync) {
deps[name] = '^' + pkg.version.pending
}
return outOfSync
}
return false
})
.some((x) => !x) // using some to reduce to a boolean, but we need to map over the whole array to update everything
}
check('dependencies')
check('peerDependencies')
check('devDependencies')
return {
outOfSync: check('dependencies') || check('peerDependencies') || check('devDependencies'),
updateRootPackage: () => {
const fileName = resolve('package.json')
writeFile(fileName, rootPkg.toString() + '\n', (err) => {
if (err) {
console.error(err)
} else {
console.log(fileName, 'updated successfully.')
}
})
},
}
}
module.exports = {
getPackages,
buildGraph,
identifyOutOfSync,
targetUpdate,
commit,
checkRootPackage,
summarize,
}