🎉 initiate project *astro_rewrite*

node_modules/preferred-pm/index.js

@@ -0,0 +1,52 @@
+'use strict'
+const findYarnWorkspaceRoot = require('find-yarn-workspace-root2')
+const findUp = require('find-up')
+const path = require('path')
+const pathExists = require('path-exists')
+const whichPM = require('which-pm')
+
+module.exports = async function preferredPM (pkgPath) {
+  if (typeof pkgPath !== 'string') {
+    throw new TypeError(`pkgPath should be a string, got ${typeof pkgPath}`)
+  }
+  if (await pathExists(path.join(pkgPath, 'package-lock.json'))) {
+    return {
+      name: 'npm',
+      version: '>=5'
+    }
+  }
+  if (await pathExists(path.join(pkgPath, 'yarn.lock'))) {
+    return {
+      name: 'yarn',
+      version: '*'
+    }
+  }
+  if (await pathExists(path.join(pkgPath, 'pnpm-lock.yaml'))) {
+    return {
+      name: 'pnpm',
+      version: '>=3'
+    }
+  }
+  if (await pathExists(path.join(pkgPath, 'shrinkwrap.yaml'))) {
+    return {
+      name: 'pnpm',
+      version: '1 || 2'
+    }
+  }
+  if (await findUp('pnpm-lock.yaml', { cwd: pkgPath })) {
+    return {
+      name: 'pnpm',
+      version: '>=3'
+    }
+  }
+  try {
+    if (typeof findYarnWorkspaceRoot(pkgPath) === 'string') {
+      return {
+        name: 'yarn',
+        version: '*'
+      }
+    }
+  } catch (err) {}
+  const pm = await whichPM(pkgPath)
+  return pm && { name: pm.name, version: pm.version || '*' }
+}