fixup: cleaner packageEnvs

Author: wraithgar

lib/package-envs.js

@@ -1,16 +1,15 @@
-
-const packageEnvs = (env, vals, prefix) => {
+const packageEnvs = (vals, prefix, env = {}) => {
   for (const [key, val] of Object.entries(vals)) {
     if (val === undefined) {
       continue
     } else if (val === null || val === false) {
       env[`${prefix}${key}`] = ''
     } else if (Array.isArray(val)) {
       val.forEach((item, index) => {
-        packageEnvs(env, { [`${key}_${index}`]: item }, `${prefix}`)
+        packageEnvs({ [`${key}_${index}`]: item }, `${prefix}`, env)
       })
     } else if (typeof val === 'object') {
-      packageEnvs(env, val, `${prefix}${key}_`)
+      packageEnvs(val, `${prefix}${key}_`, env)
     } else {
       env[`${prefix}${key}`] = String(val)
     }
@@ -19,10 +18,12 @@ const packageEnvs = (env, vals, prefix) => {
 }
 
 // https://github.com/npm/rfcs/pull/183 defines which fields we put into the environment
-module.exports = (env, pkg) => packageEnvs({ ...env }, {
-  name: pkg.name,
-  version: pkg.version,
-  config: pkg.config,
-  engines: pkg.engines,
-  bin: pkg.bin,
-}, 'npm_package_')
+module.exports = pkg => {
+  return packageEnvs({
+    name: pkg.name,
+    version: pkg.version,
+    config: pkg.config,
+    engines: pkg.engines,
+    bin: pkg.bin,
+  }, 'npm_package_')
+}

lib/run-script-pkg.js

@@ -69,7 +69,7 @@ const runScriptPkg = async options => {
     path,
     scriptShell,
     binPaths,
-    env: packageEnvs(env, pkg),
+    env: { ...env, ...packageEnvs(pkg) },
     stdio,
     cmd,
     args,