From 941bcf08f476925cb22399aa3d5bee753a5b9f8f Mon Sep 17 00:00:00 2001
From: Niklas Mischkulnig <mischnic@users.noreply.github.com>
Date: Mon, 25 Feb 2019 16:26:02 +0100
Subject: [PATCH 1/3] For scope hoisting, Asset IDs cannot contain + or /
 (base64)

---
 packages/core/parcel-bundler/src/Asset.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/core/parcel-bundler/src/Asset.js b/packages/core/parcel-bundler/src/Asset.js
index 92b443a021b..8f9c3b3815a 100644
--- a/packages/core/parcel-bundler/src/Asset.js
+++ b/packages/core/parcel-bundler/src/Asset.js
@@ -196,7 +196,9 @@ class Asset {
     if (!this.id) {
       this.id =
         this.options.production || this.options.scopeHoist
-          ? md5(this.relativeName, 'base64').slice(0, 4)
+          ? md5(this.relativeName, 'base64')
+              .slice(0, 4)
+              .replace(/\+\//g, '_')
           : this.relativeName;
     }
 

From 2891207e841d4de136f339c62250e6457167e309 Mon Sep 17 00:00:00 2001
From: Niklas Mischkulnig <mischnic@users.noreply.github.com>
Date: Mon, 25 Feb 2019 17:43:48 +0100
Subject: [PATCH 2/3] Revert "For scope hoisting, Asset IDs cannot contain + or
 / (base64)"

This reverts commit 941bcf08f476925cb22399aa3d5bee753a5b9f8f.
---
 packages/core/parcel-bundler/src/Asset.js | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/packages/core/parcel-bundler/src/Asset.js b/packages/core/parcel-bundler/src/Asset.js
index 8f9c3b3815a..92b443a021b 100644
--- a/packages/core/parcel-bundler/src/Asset.js
+++ b/packages/core/parcel-bundler/src/Asset.js
@@ -196,9 +196,7 @@ class Asset {
     if (!this.id) {
       this.id =
         this.options.production || this.options.scopeHoist
-          ? md5(this.relativeName, 'base64')
-              .slice(0, 4)
-              .replace(/\+\//g, '_')
+          ? md5(this.relativeName, 'base64').slice(0, 4)
           : this.relativeName;
     }
 

From 6910953657fe6c2586f643a57d82297168107ddf Mon Sep 17 00:00:00 2001
From: Niklas Mischkulnig <mischnic@users.noreply.github.com>
Date: Mon, 25 Feb 2019 17:44:24 +0100
Subject: [PATCH 3/3] VueAsset didn't normalize id for scope hoisting

---
 packages/core/parcel-bundler/src/assets/VueAsset.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/packages/core/parcel-bundler/src/assets/VueAsset.js b/packages/core/parcel-bundler/src/assets/VueAsset.js
index 2214c08bc7d..ce9bb946794 100644
--- a/packages/core/parcel-bundler/src/assets/VueAsset.js
+++ b/packages/core/parcel-bundler/src/assets/VueAsset.js
@@ -2,6 +2,7 @@ const Asset = require('../Asset');
 const localRequire = require('../utils/localRequire');
 const md5 = require('../utils/md5');
 const {minify} = require('terser');
+const t = require('@babel/types');
 
 class VueAsset extends Asset {
   constructor(name, options) {
@@ -72,10 +73,10 @@ class VueAsset extends Asset {
 
     // TODO: make it possible to process this code with the normal scope hoister
     if (this.options.scopeHoist) {
-      optsVar = `$${this.id}$export$default`;
+      optsVar = `$${t.toIdentifier(this.id)}$export$default`;
 
       if (!js.includes(optsVar)) {
-        optsVar = `$${this.id}$exports`;
+        optsVar = `$${t.toIdentifier(this.id)}$exports`;
         if (!js.includes(optsVar)) {
           supplemental += `
             var ${optsVar} = {};