Require.resolve fallback on node < 8.10.0

packages/@vue/cli/lib/util/module.js

@@ -1,7 +1,39 @@
+const { minNode } = require('./nodeVersion')
+
+function resolveFallback (request, options) {
+ const Module = require('module')
+ const isMain = false
+ const fakeParent = new Module('', null)
+
+ const paths = []
+
+ for (var i = 0; i < options.paths.length; i++) {
+ const path = options.paths[i]
+ fakeParent.paths = Module._nodeModulePaths(path)
+ const lookupPaths = Module._resolveLookupPaths(request, fakeParent, true)
+
+ if (!paths.includes(path)) paths.push(path)
+
+ for (var j = 0; j < lookupPaths.length; j++) {
+ if (!paths.includes(lookupPaths[j])) paths.push(lookupPaths[j])
+ }
+ }
+
+ var filename = Module._findPath(request, paths, isMain)
+ if (!filename) {
+ var err = new Error(`Cannot find module '${request}'`)
+ err.code = 'MODULE_NOT_FOUND'
+ throw err
+ }
+ return filename
+}
+
+const resolve = minNode(8, 10) ? require.resolve : resolveFallback
+
 exports.resolveModule = function (request, context) {
  let resolvedPath
  try {
- resolvedPath = require.resolve(request, {
+ resolvedPath = resolve(request, {
  paths: [context]
  })
  } catch (e) {}

packages/@vue/cli/lib/util/nodeVersion.js

@@ -0,0 +1,5 @@
+exports.minNode = function (major, minor = 0, patch = 0) {
+ const parts = process.versions.node.split('.').map(v => parseInt(v))
+ if (parts[0] >= major && parts[1] >= minor && parts[2] >= patch) return true
+ return false
+}