From 471cb4cfd736a110e5b0737d8b639c37b0775166 Mon Sep 17 00:00:00 2001
From: Elliott Sales de Andrade <quantum.analyst@gmail.com>
Date: Thu, 26 Mar 2020 04:55:02 -0400
Subject: [PATCH] wasm_exec: Implement syscall/js.valueDelete.

This is only useful on Go 1.14, and is a port of:
https://github.com/golang/go/commit/60f271358f07647be0de9ee8225b50a391ea5def
---
 targets/wasm_exec.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/targets/wasm_exec.js b/targets/wasm_exec.js
index 5fe67eff..4877cb1a 100644
--- a/targets/wasm_exec.js
+++ b/targets/wasm_exec.js
@@ -318,6 +318,13 @@
 						Reflect.set(v, p, x);
 					},
 
+					// func valueDelete(v ref, p string)
+					"syscall/js.valueDelete": (v_addr, p_ptr, p_len) => {
+						const v = loadValue(v_addr);
+						const p = loadString(p_ptr, p_len);
+						Reflect.deleteProperty(v, p);
+					},
+
 					// func valueIndex(v ref, i int) ref
 					"syscall/js.valueIndex": (ret_addr, v_addr, i) => {
 						storeValue(ret_addr, Reflect.get(loadValue(v_addr), i));