test: register table plugin using a test API

datasette/static/datasette-manager.js

@@ -21,6 +21,8 @@ const datasetteManager = {
   // Does pluginMetadata need to be serializable, or can we let it be stateful / have functions?
   // Should we notify plugins that have dependencies
   // when all dependencies were fulfilled? (leaflet, codemirror, etc)
+  // https://github.com/simonw/datasette-leaflet -> this way
+  // multiple plugins can all request the same copy of leaflet.
   plugins: new Map(),
   registerPlugin: (name, pluginMetadata) => {
     if (datasetteManager.plugins.get(name)) {
@@ -29,6 +31,8 @@ const datasetteManager = {
     datasetteManager.plugins.set(name, pluginMetadata);
   },
 
+  /** State helpers */
+  // https://github.com/simonw/datasette/issues/1144
 
   // Datasette "core" -> Methods/APIs that are so core, we don't store them as a plugin
   /** Selectors for significant DOM elements. Store identifier rather than addresses rather than immediate references in case they haven't loaded yet  */
@@ -43,7 +47,6 @@ const datasetteManager = {
 
 };
 
-
 /**
  * Fire AFTER the document has been parsed
  * Initialization... TODO how to make sure this exists BEFORE datasette manager is loaded? */

datasette/static/table.js

@@ -272,3 +272,14 @@ var DROPDOWN_ICON_SVG = `<svg xmlns="http://www.w3.org/2000/svg" width="14" heig
     }
   });
 })();
+
+
+// TODO: plugins need to wait for a custom event
+// TODO: document what events they can listen for
+document.addEventListener("InitDatasette", function (evt) {
+
+  // Manager is in event.detail
+  console.log(evt.detail);
+  evt.detail.registerPlugin('table', { version: 12, myCoolHello: () => console.log('hello') });
+
+});