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authorAcid Chicken (硫酸鶏) <root@acid-chicken.com>2019-02-03 04:31:03 +0900
committersyuilo <Syuilotan@yahoo.co.jp>2019-02-03 04:31:03 +0900
commit2f215ea34c0012db1808023f59cfe15c6c392ccc (patch)
tree348bfdafd4777777498a0944318dfde8d94c53c3 /src/misc
parentUpdate CHANGELOG.md (diff)
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Use `is` syntax (#4079)
Diffstat (limited to 'src/misc')
-rw-r--r--src/misc/is-objectid.ts4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/misc/is-objectid.ts b/src/misc/is-objectid.ts
index 8c1aabd568..c3148a7785 100644
--- a/src/misc/is-objectid.ts
+++ b/src/misc/is-objectid.ts
@@ -1,3 +1,5 @@
-export default function(x: any): boolean {
+import { ObjectID } from 'mongodb';
+
+export default function(x: any): x is ObjectID {
return x.hasOwnProperty('toHexString') || x.hasOwnProperty('_bsontype');
}