Files
medusa-store/packages/cli/medusa-dev-cli/src/utils/traverse-package-deps.js

89 lines
2.8 KiB
JavaScript

const _ = require(`lodash`)
const path = require(`path`)
/**
* @typedef {Object} TraversePackagesDepsReturn
* @property {Object} depTree Lookup table to check dependants for given package.
* Used to determine which packages need to be published.
* @example
* ```
* {
* "medusa-cli": Set(["medusa"]),
* "medusa-telemetry": Set(["medusa", "medusa-cli"]),
* }
* ```
*/
/**
* Compile final list of packages to watch
* This will include packages explicitly defined packages and all their dependencies
* Also creates dependency graph that is used later to determine which packages
* would need to be published when their dependencies change
* @param {Object} $0
* @param {String} $0.root Path to root of medusa monorepo repository
* @param {String[]} $0.packages Initial array of packages to watch
* This can be extracted from project dependencies or explicitly set by `--packages` flag
* @param {String[]} $0.monoRepoPackages Array of packages in medusa monorepo
* @param {String[]} [$0.seenPackages] Array of packages that were already traversed.
* This makes sure dependencies are extracted one time for each package and avoid any
* infinite loops.
* @param {DepTree} [$0.depTree] Used internally to recursively construct dependency graph.
* @return {TraversePackagesDepsReturn}
*/
const traversePackagesDeps = ({
packages,
monoRepoPackages,
seenPackages = [...packages],
depTree = {},
packageNameToPath,
}) => {
packages.forEach((p) => {
let pkgJson
try {
const packageRoot = packageNameToPath.get(p)
if (packageRoot) {
pkgJson = require(path.join(packageRoot, `package.json`))
} else {
console.error(`"${p}" package doesn't exist in monorepo.`)
// remove from seenPackages
seenPackages = seenPackages.filter((seenPkg) => seenPkg !== p)
return
}
} catch (e) {
console.error(`"${p}" package doesn't exist in monorepo.`, e)
// remove from seenPackages
seenPackages = seenPackages.filter((seenPkg) => seenPkg !== p)
return
}
const fromMonoRepo = _.intersection(
Object.keys({ ...pkgJson.dependencies }),
monoRepoPackages
)
fromMonoRepo.forEach((pkgName) => {
depTree[pkgName] = (depTree[pkgName] || new Set()).add(p)
})
// only traverse not yet seen packages to avoid infinite loops
const newPackages = _.difference(fromMonoRepo, seenPackages)
if (newPackages.length) {
newPackages.forEach((depFromMonorepo) => {
seenPackages.push(depFromMonorepo)
})
traversePackagesDeps({
packages: fromMonoRepo,
monoRepoPackages,
seenPackages,
depTree,
packageNameToPath,
})
}
})
return { seenPackages, depTree }
}
exports.traversePackagesDeps = traversePackagesDeps