1 files changed, 19 insertions, 0 deletions

diff --git a/crates/ra_ide_db/src/wasm_shims.rs b/crates/ra_ide_db/src/wasm_shims.rs
new file mode 100644
index 000000000..7af9f9d9b
--- /dev/null
+++ b/crates/ra_ide_db/src/wasm_shims.rs
@@ -0,0 +1,19 @@
+//! A version of `std::time::Instant` that doesn't panic in WASM.
+
+#[cfg(not(feature = "wasm"))]
+pub use std::time::Instant;
+
+#[cfg(feature = "wasm")]
+#[derive(Clone, Copy, Debug)]
+pub struct Instant;
+
+#[cfg(feature = "wasm")]
+impl Instant {
+    pub fn now() -> Self {
+        Self
+    }
+
+    pub fn elapsed(&self) -> std::time::Duration {
+        std::time::Duration::new(0, 0)
+    }
+}