Merge pull request #4351 from ethereum/fix_reloading_after_config_changed

fix reloading after config changed

apps/remix-ide/src/app/plugins/parser/code-parser.tsx

@@ -193,11 +193,19 @@ export class CodeParser extends Plugin {
     })
 
     this.on('config', 'configChanged', async (config) => {
-      await this.reload()
+      if (config.key === 'settings/auto-completion' || 
+          config.key === 'settings/display-errors' || 
+          config.key === 'settings/show-gas') {
+        await this.reload()
+      }
     })
 
     this.on('settings', 'configChanged', async (config) => {
-      await this.reload()
+      if (config.key === 'settings/auto-completion' || 
+          config.key === 'settings/display-errors' || 
+          config.key === 'settings/show-gas') {
+        await this.reload()
+      }
     })
 
     await this.compilerService.init()

libs/remix-ui/run-tab/src/lib/components/contractDropdownUI.tsx

@@ -370,7 +370,9 @@ export function ContractDropdownUI(props: ContractDropdownProps) {
 
   let evmVersion = null
   try {
-    evmVersion = JSON.parse(loadedContractData.metadata).settings.evmVersion
+    if (loadedContractData && loadedContractData.metadata) {
+      evmVersion = JSON.parse(loadedContractData.metadata).settings.evmVersion
+    }
   } catch (err) {}
   return (
     <div className="udapp_container mb-2" data-id="contractDropdownContainer">