fix(wire-service): add lifecycle hook guards (#1092)

* fix(wire-service): add lifecycle hook guards * wip: fix assert and error message
salesforce · Mar 5, 2019 · dfa87d1 · dfa87d1
1 parent c2c1097
commit dfa87d1
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/packages/@lwc/wire-service/src/index.ts b/packages/@lwc/wire-service/src/index.ts
@@ -120,6 +120,9 @@ const wireService = {
 
     connected: (cmp: LightningElement, data: object, def: ElementDef, context: Context) => {
         let listeners: NoArgumentListener[];
+        if (process.env.NODE_ENV !== 'production') {
+            assert.isTrue(!def.wire || context[CONTEXT_ID], 'wire service was not initialized prior to component creation:  "connected" service hook invoked without necessary context');
+        }
         if (!def.wire || !(listeners = context[CONTEXT_ID][CONTEXT_CONNECTED])) {
             return;
         }
@@ -128,6 +131,9 @@ const wireService = {
 
     disconnected: (cmp: LightningElement, data: object, def: ElementDef, context: Context) => {
         let listeners: NoArgumentListener[];
+        if (process.env.NODE_ENV !== 'production') {
+            assert.isTrue(!def.wire || context[CONTEXT_ID], 'wire service was not initialized prior to component creation:  "disconnected" service hook invoked without necessary context');
+        }
         if (!def.wire || !(listeners = context[CONTEXT_ID][CONTEXT_DISCONNECTED])) {
             return;
         }