diff options
Diffstat (limited to 'misc/wasm/wasm_exec.js')
| -rw-r--r-- | misc/wasm/wasm_exec.js | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/misc/wasm/wasm_exec.js b/misc/wasm/wasm_exec.js index 3ea03c45b7..82041e6bb9 100644 --- a/misc/wasm/wasm_exec.js +++ b/misc/wasm/wasm_exec.js @@ -503,6 +503,9 @@ } async run(instance) { + if (!(instance instanceof WebAssembly.Instance)) { + throw new Error("Go.run: WebAssembly.Instance expected"); + } this._inst = instance; this.mem = new DataView(this._inst.exports.mem.buffer); this._values = [ // JS values that Go currently has references to, indexed by reference id |