From e099d8c83985b36dde68f751be0085d24dc7e49e Mon Sep 17 00:00:00 2001
From: Rich Harris <richard.a.harris@gmail.com>
Date: Mon, 10 Jul 2017 19:43:24 -0400
Subject: [PATCH] remove weak from optionalDependencies

---
 package-lock.json | 24 +-----------------------
 package.json      |  5 +----
 test/leak/test.js | 18 +++++++++++++++---
 3 files changed, 17 insertions(+), 30 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index 774577ac0e7..caecdc66d2f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "rollup",
-  "version": "0.43.0",
+  "version": "0.45.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -215,12 +215,6 @@
       "integrity": "sha1-5tXqjF2tABMEpwsiY4RH9pyy+Ak=",
       "dev": true
     },
-    "bindings": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.2.1.tgz",
-      "integrity": "sha1-FK1hE4EtLTfXLme0ystLtyZQXxE=",
-      "optional": true
-    },
     "bl": {
       "version": "0.9.5",
       "resolved": "https://registry.npmjs.org/bl/-/bl-0.9.5.tgz",
@@ -2263,12 +2257,6 @@
       "integrity": "sha1-j7+rsKmKJT0xhDMfno3rc3L6xsA=",
       "dev": true
     },
-    "nan": {
-      "version": "2.6.2",
-      "resolved": "https://registry.npmjs.org/nan/-/nan-2.6.2.tgz",
-      "integrity": "sha1-5P805slf37WuzAjeZZb0NgWn20U=",
-      "optional": true
-    },
     "natural-compare": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/natural-compare/-/natural-compare-1.4.0.tgz",
@@ -3381,16 +3369,6 @@
       "integrity": "sha1-4xbVJXtAuGu0PLjV/qXX9U1rDKE=",
       "dev": true
     },
-    "weak": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/weak/-/weak-1.0.1.tgz",
-      "integrity": "sha1-q5mqswcGlZqgIAy4z1RbucszuZ4=",
-      "optional": true,
-      "requires": {
-        "bindings": "1.2.1",
-        "nan": "2.6.2"
-      }
-    },
     "which": {
       "version": "1.2.14",
       "resolved": "https://registry.npmjs.org/which/-/which-1.2.14.tgz",
diff --git a/package.json b/package.json
index 7c751e35f9a..bb719daaa3d 100644
--- a/package.json
+++ b/package.json
@@ -79,8 +79,5 @@
     "dist",
     "bin/rollup",
     "README.md"
-  ],
-  "optionalDependencies": {
-    "weak": "^1.0.1"
-  }
+  ]
 }
diff --git a/test/leak/test.js b/test/leak/test.js
index 97995b56831..6b366f7228d 100644
--- a/test/leak/test.js
+++ b/test/leak/test.js
@@ -1,8 +1,8 @@
 var path = require('path')
 var rollup = require('../..')
 
-try {
-	var weak = require('weak')
+function test() {
+	var weak = require('weak');
 
 	var shouldCollect = false;
 	var isCollected = false;
@@ -36,6 +36,18 @@ try {
 			console.error(err.message);
 			process.exit(1);
 		});
+}
+
+try {
+	require.resolve('weak');
+	test();
 } catch (err) {
-	console.log(`skipping memory leak test`);
+	console.log('installing weak');
+	require('child_process').exec('npm i --no-save --silent weak@1.0.1', function (err, stdout, stderr) {
+		if (err) {
+			console.log('failed to install weak');
+		} else {
+			test();
+		}
+	});
 }
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