only emit known symlinks

vercel · Mar 20, 2019 · f3ce1f8 · f3ce1f8
1 parent 82ff00a
commit f3ce1f8
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Showing 2 changed files with 12 additions and 6 deletions.
diff --git a/src/index.js b/src/index.js
@@ -1,7 +1,7 @@
 const resolve = require("resolve");
 const fs = require("graceful-fs");
 const crypto = require("crypto");
-const { sep } = require("path");
+const { sep, join, dirname } = require("path");
 const webpack = require("webpack");
 const MemoryFS = require("memory-fs");
 const terser = require("terser");
@@ -259,8 +259,14 @@ module.exports = (
 
   function finalizeHandler () {
     const assets = Object.create(null);
-    const symlinks = Object.assign(Object.create(null), relocateLoader.getSymlinks());
     getFlatFiles(mfs.data, assets, relocateLoader.getAssetPermissions);
+    // filter symlinks to existing assets
+    const symlinks = Object.create(null);
+    for (const [key, value] of Object.entries(relocateLoader.getSymlinks())) {
+      const resolved = join(dirname(key), value);
+      if (resolved in assets)
+        symlinks[key] = value;
+    }
     delete assets[filename];
     delete assets[filename + ".map"];
     let code = mfs.readFileSync(`/${filename}`, "utf8");

diff --git a/yarn.lock b/yarn.lock
@@ -1186,10 +1186,10 @@
   resolved "https://registry.yarnpkg.com/@xtuc/long/-/long-4.2.1.tgz#5c85d662f76fa1d34575766c5dcd6615abcd30d8"
   integrity sha512-FZdkNBDqBRHKQ2MEbSC17xnPFOhZxeJ2YGSfr2BKf3sujG49Qe3bB+rGCwQfIaA7WHnGeGkSijX4FuBCdrzW/g==
 
-"@zeit/webpack-asset-relocator-loader@0.2.3":
-  version "0.2.3"
-  resolved "https://registry.yarnpkg.com/@zeit/webpack-asset-relocator-loader/-/webpack-asset-relocator-loader-0.2.3.tgz#ee4790d032d228b10afc7e4b616b0d86c51628b2"
-  integrity sha512-LfGRLqh0ZOYbiqEZlk8eTLEV4G6KTlruVTGRn27Dczkur3gVh+91oTy8xwf2LY64hpJWSNcKm+pU23xa/hk29w==
+"@zeit/webpack-asset-relocator-loader@0.3.1":
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/@zeit/webpack-asset-relocator-loader/-/webpack-asset-relocator-loader-0.3.1.tgz#c69170d2ad541328eb354e7329d0c64362e95561"
+  integrity sha512-AXXm7QD1Zq3kggeBxRKF95ArA4mmr7VRySPgnuF8pUZuS6c4R9t8hdZFDSp8w5e0+fMaQ0LiPG2mCXv8sMUnEw==
 
 JSONStream@^1.3.1, JSONStream@^1.3.4, JSONStream@^1.3.5:
   version "1.3.5"