update

package/node_modules/@npmcli/package-json/lib/update-dependencies.js

@@ -0,0 +1,75 @@
+const depTypes = new Set([
+  'dependencies',
+  'optionalDependencies',
+  'devDependencies',
+  'peerDependencies',
+])
+
+// sort alphabetically all types of deps for a given package
+const orderDeps = (content) => {
+  for (const type of depTypes) {
+    if (content && content[type]) {
+      content[type] = Object.keys(content[type])
+        .sort((a, b) => a.localeCompare(b, 'en'))
+        .reduce((res, key) => {
+          res[key] = content[type][key]
+          return res
+        }, {})
+    }
+  }
+  return content
+}
+
+const updateDependencies = ({ content, originalContent }) => {
+  const pkg = orderDeps({
+    ...content,
+  })
+
+  // optionalDependencies don't need to be repeated in two places
+  if (pkg.dependencies) {
+    if (pkg.optionalDependencies) {
+      for (const name of Object.keys(pkg.optionalDependencies)) {
+        delete pkg.dependencies[name]
+      }
+    }
+  }
+
+  const result = { ...originalContent }
+
+  // loop through all types of dependencies and update package json pkg
+  for (const type of depTypes) {
+    if (pkg[type]) {
+      result[type] = pkg[type]
+    }
+
+    // prune empty type props from resulting object
+    const emptyDepType =
+      pkg[type]
+      && typeof pkg === 'object'
+      && Object.keys(pkg[type]).length === 0
+    if (emptyDepType) {
+      delete result[type]
+    }
+  }
+
+  // if original package.json had dep in peerDeps AND deps, preserve that.
+  const { dependencies: origProd, peerDependencies: origPeer } =
+    originalContent || {}
+  const { peerDependencies: newPeer } = result
+  if (origProd && origPeer && newPeer) {
+    // we have original prod/peer deps, and new peer deps
+    // copy over any that were in both in the original
+    for (const name of Object.keys(origPeer)) {
+      if (origProd[name] !== undefined && newPeer[name] !== undefined) {
+        result.dependencies = result.dependencies || {}
+        result.dependencies[name] = newPeer[name]
+      }
+    }
+  }
+
+  return result
+}
+
+updateDependencies.knownKeys = depTypes
+
+module.exports = updateDependencies