Installing dependencies.

node_modules/npm/lib/workspaces/get-workspaces.js

@@ -0,0 +1,54 @@
+const { resolve, relative } = require('path')
+const mapWorkspaces = require('@npmcli/map-workspaces')
+const minimatch = require('minimatch')
+const rpj = require('read-package-json-fast')
+
+// minimatch wants forward slashes only for glob patterns
+const globify = pattern => pattern.split('\\').join('/')
+
+// Returns an Map of paths to workspaces indexed by workspace name
+// { foo => '/path/to/foo' }
+const getWorkspaces = async (filters, { path, includeWorkspaceRoot, relativeFrom }) => {
+  // TODO we need a better error to be bubbled up here if this rpj call fails
+  const pkg = await rpj(resolve(path, 'package.json'))
+  const workspaces = await mapWorkspaces({ cwd: path, pkg })
+  let res = new Map()
+  if (includeWorkspaceRoot) {
+    res.set(pkg.name, path)
+  }
+
+  if (!filters.length) {
+    res = new Map([...res, ...workspaces])
+  }
+
+  for (const filterArg of filters) {
+    for (const [workspaceName, workspacePath] of workspaces.entries()) {
+      let relativePath = relative(relativeFrom, workspacePath)
+      if (filterArg.startsWith('./')) {
+        relativePath = `./${relativePath}`
+      }
+      const relativeFilter = relative(path, filterArg)
+      if (filterArg === workspaceName
+        || resolve(relativeFrom, filterArg) === workspacePath
+        || minimatch(relativePath, `${globify(relativeFilter)}/*`)
+        || minimatch(relativePath, `${globify(filterArg)}/*`)
+      ) {
+        res.set(workspaceName, workspacePath)
+      }
+    }
+  }
+
+  if (!res.size) {
+    let msg = '!'
+    if (filters.length) {
+      msg = `:\n ${filters.reduce(
+        (res, filterArg) => `${res} --workspace=${filterArg}`, '')}`
+    }
+
+    throw new Error(`No workspaces found${msg}`)
+  }
+
+  return res
+}
+
+module.exports = getWorkspaces

node_modules/npm/lib/workspaces/update-workspaces.js

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+'use strict'
+
+const Arborist = require('@npmcli/arborist')
+const reifyFinish = require('../utils/reify-finish.js')
+
+async function updateWorkspaces ({
+  config,
+  flatOptions,
+  localPrefix,
+  npm,
+  workspaces,
+}) {
+  if (!flatOptions.workspacesUpdate || !workspaces.length) {
+    return
+  }
+
+  // default behavior is to not save by default in order to avoid
+  // race condition problems when publishing multiple workspaces
+  // that have dependencies on one another, it might still be useful
+  // in some cases, which then need to set --save
+  const save = config.isDefault('save')
+    ? false
+    : config.get('save')
+
+  // runs a minimalistic reify update, targetting only the workspaces
+  // that had version updates and skipping fund/audit/save
+  const opts = {
+    ...flatOptions,
+    audit: false,
+    fund: false,
+    path: localPrefix,
+    save,
+  }
+  const arb = new Arborist(opts)
+
+  await arb.reify({ ...opts, update: workspaces })
+  await reifyFinish(npm, arb)
+}
+
+module.exports = updateWorkspaces