DEV: Prefix deprecation notices and api warnings with theme name/id

app/assets/javascripts/discourse-common/addon/lib/deprecated.js

@@ -11,5 +11,13 @@ export default function deprecated(msg, opts = {}) {
   if (opts.raiseError) {
     throw msg;
   }
-  console.warn(msg); // eslint-disable-line no-console
+
+  let consolePrefix = "";
+  if (window.Discourse) {
+    // This module doesn't exist in pretty-text/wizard/etc.
+    consolePrefix =
+      require("discourse/lib/source-identifier").consolePrefix() || "";
+  }
+
+  console.warn(consolePrefix, msg); //eslint-disable-line no-console
 }

app/assets/javascripts/discourse/app/lib/plugin-api.js

@@ -92,6 +92,7 @@ import {
 } from "discourse/widgets/search-menu-results";
 import { CUSTOM_USER_SEARCH_OPTIONS } from "select-kit/components/user-chooser";
 import { downloadCalendar } from "discourse/lib/download-calendar";
+import { consolePrefix } from "discourse/lib/source-identifier";
 
 // If you add any methods to the API ensure you bump up the version number
 // based on Semantic Versioning 2.0.0. Please update the changelog at
@@ -104,6 +105,7 @@ function canModify(klass, type, resolverName, changes) {
   if (!changes.pluginId) {
     // eslint-disable-next-line no-console
     console.warn(
+      consolePrefix(),
       "To prevent errors in tests, add a `pluginId` key to your `modifyClass` call. This will ensure the modification is only applied once."
     );
     return true;
@@ -166,6 +168,7 @@ class PluginApi {
     if (this.container.cache[resolverName]) {
       // eslint-disable-next-line no-console
       console.warn(
+        consolePrefix(),
         `"${resolverName}" was already cached in the container. Changes won't be applied.`
       );
     }
@@ -174,7 +177,10 @@ class PluginApi {
     if (!klass) {
       if (!opts.ignoreMissing) {
         // eslint-disable-next-line no-console
-        console.warn(`"${resolverName}" was not found by modifyClass`);
+        console.warn(
+          consolePrefix(),
+          `"${resolverName}" was not found by modifyClass`
+        );
       }
       return;
     }
@@ -981,6 +987,7 @@ class PluginApi {
     if (!item["name"]) {
       // eslint-disable-next-line no-console
       console.warn(
+        consolePrefix(),
         "A 'name' is required when adding a Navigation Bar Item.",
         item
       );
@@ -1643,7 +1650,7 @@ function getPluginApi(version) {
     return pluginApi;
   } else {
     // eslint-disable-next-line no-console
-    console.warn(`Plugin API v${version} is not supported`);
+    console.warn(consolePrefix(), `Plugin API v${version} is not supported`);
   }
 }
 
@@ -1670,6 +1677,7 @@ function decorate(klass, evt, cb, id) {
   if (!id) {
     // eslint-disable-next-line no-console
     console.warn(
+      consolePrefix(),
       "`decorateCooked` should be supplied with an `id` option to avoid memory leaks in test mode. The id will be used to ensure the decorator is only applied once."
     );
   } else {