fix ^0

HarryBowthorpe · Apr 13, 2023 · 61da0e3 · 61da0e3
1 parent bad996d
commit 61da0e3
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Showing 2 changed files with 10 additions and 2 deletions.
diff --git a/src/utils/semver.ts b/src/utils/semver.ts
@@ -137,9 +137,9 @@ export class Range {
             v1 = new SemVer(match[2], {tolerant: true})
             const parts = []
             for (let i = 0; i < v1.components.length; i++) {
-              if (v1.components[i] === 0) {
+              if (v1.components[i] === 0 && i < v1.components.length - 1) {
                 parts.push(0)
-              } else if (v1.components[i] > 0) {
+              } else {
                 parts.push(v1.components[i] + 1)
                 break
               }

diff --git a/tests/unit/semver.test.ts b/tests/unit/semver.test.ts
@@ -114,6 +114,14 @@ Deno.test("semver", async test => {
     assert(l.satisfies(new SemVer("0.0.0.1")))
     assertFalse(l.satisfies(new SemVer("0.0.0.2")))
 
+    // This one is weird, but it should mean "<1"
+    const m = new semver.Range("^0")
+    assert(m.satisfies(new SemVer("0.0.0")))
+    assert(m.satisfies(new SemVer("0.0.1")))
+    assert(m.satisfies(new SemVer("0.1.0")))
+    assert(m.satisfies(new SemVer("0.9.1")))
+    assertFalse(m.satisfies(new SemVer("1.0.0")))
+
     assertThrows(() => new semver.Range("1"))
     assertThrows(() => new semver.Range("1.2"))
     assertThrows(() => new semver.Range("1.2.3"))