From 8b84ec5279a567d679dc2ba79e2c8917e28c70d5 Mon Sep 17 00:00:00 2001
From: Graham Trott <gtanyware@gmail.com>
Date: Mon, 20 Jul 2020 12:45:04 +0100
Subject: [PATCH] Check if library is already loaded

---
 dist/plugins/iwsy.js | 15 ++++++++++-----
 js/plugins/iwsy.js   | 15 ++++++++++-----
 2 files changed, 20 insertions(+), 10 deletions(-)

diff --git a/dist/plugins/iwsy.js b/dist/plugins/iwsy.js
index 766655f..9112099 100644
--- a/dist/plugins/iwsy.js
+++ b/dist/plugins/iwsy.js
@@ -178,11 +178,16 @@ const EasyCoder_IWSY = {
 			switch (action) {
 			case `init`:
 				const cdn = program.getValue(command.cdn);
-				program.require(`js`, `${cdn}/iwsy.js`,
-					function () {
-						program.run(command.pc + 1);
-					});
-				return 0;
+				if (typeof IWSY === `undefined`) {
+					program.require(`js`, `${cdn}/iwsy.js`,
+						function () {
+							program.run(command.pc + 1);
+						});
+					return 0;
+				} else {
+					program.run(command.pc + 1);
+				}
+				break;
 			case `load`:
 				const playerRecord = program.getSymbolRecord(command.player);
 				const player = playerRecord.element[playerRecord.index];
diff --git a/js/plugins/iwsy.js b/js/plugins/iwsy.js
index 766655f..9112099 100644
--- a/js/plugins/iwsy.js
+++ b/js/plugins/iwsy.js
@@ -178,11 +178,16 @@ const EasyCoder_IWSY = {
 			switch (action) {
 			case `init`:
 				const cdn = program.getValue(command.cdn);
-				program.require(`js`, `${cdn}/iwsy.js`,
-					function () {
-						program.run(command.pc + 1);
-					});
-				return 0;
+				if (typeof IWSY === `undefined`) {
+					program.require(`js`, `${cdn}/iwsy.js`,
+						function () {
+							program.run(command.pc + 1);
+						});
+					return 0;
+				} else {
+					program.run(command.pc + 1);
+				}
+				break;
 			case `load`:
 				const playerRecord = program.getSymbolRecord(command.player);
 				const player = playerRecord.element[playerRecord.index];