From 48208473ef40cbd4d80c99cb5095ab0c36408e0c Mon Sep 17 00:00:00 2001
From: Suneil Nyamathi <snyamathi@gmail.com>
Date: Mon, 19 Feb 2018 23:47:06 -0800
Subject: [PATCH] Fix totally exclusive ranges (#8)

---
 src/semver-intersect.js        |  6 +++++-
 tests/unit/semver-intersect.js | 10 ++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/semver-intersect.js b/src/semver-intersect.js
index e15997a..17ce818 100644
--- a/src/semver-intersect.js
+++ b/src/semver-intersect.js
@@ -50,7 +50,11 @@ function ensureCompatible(range, ...bounds) {
     const { prerelease, version } = parseRange(range);
 
     bounds.forEach(bound => {
-        if (!bound || semver.satisfies(version, bound)) {
+        if (!bound) {
+            return;
+        }
+
+        if (semver.satisfies(version, bound) && semver.intersects(range, bound)) {
             return;
         }
 
diff --git a/tests/unit/semver-intersect.js b/tests/unit/semver-intersect.js
index c5a28dc..d68b56a 100644
--- a/tests/unit/semver-intersect.js
+++ b/tests/unit/semver-intersect.js
@@ -183,6 +183,16 @@ describe('intersect', () => {
         const call = intersect.bind(null, '^4.0.0', '~4.3.0', '^4.4.0');
         expect(call).to.throw('Range >=4.4.0 is not compatible with <4.4.0');
     });
+    it('should not cross major bounds', () => {
+        expect(intersect.bind(null, '^5.0.0', '^4.0.1'))
+            .to.throw('Range <5.0.0 is not compatible with >=5.0.0');
+        expect(intersect.bind(null, '^5.0.0', '^3.0.0'))
+            .to.throw('Range <4.0.0 is not compatible with >=5.0.0');
+        expect(intersect.bind(null, '~5.1.0', '~5.2.0'))
+            .to.throw('Range >=5.2.0 is not compatible with <5.2.0');
+        expect(intersect.bind(null, '^0.5.0', '^0.4.0'))
+            .to.throw('Range <0.5.0 is not compatible with >=0.5.0');
+    });
 });
 
 describe('mergeBounds', () => {