server-ts: Convert services/script_context

src/services/script_context.ts

@@ -0,0 +1,37 @@
+import utils = require('./utils');
+import BackendScriptApi = require('./backend_script_api');
+import BNote = require('../becca/entities/bnote');
+import { ApiParams } from './backend_script_api_interface';
+
+type Module = {
+    exports: any[];
+};
+
+class ScriptContext {
+    modules: Record<string, Module>;
+    notes: {};
+    apis: {};
+    allNotes: BNote[];
+    
+    constructor(allNotes: BNote[], apiParams: ApiParams) {
+        this.allNotes = allNotes;
+        this.modules = {};
+        this.notes = utils.toObject(allNotes, note => [note.noteId, note]);
+        this.apis = utils.toObject(allNotes, note => [note.noteId, new BackendScriptApi(note, apiParams)]);
+    }
+
+    require(moduleNoteIds: string[]) {
+        return (moduleName: string) => {
+            const candidates = this.allNotes.filter(note => moduleNoteIds.includes(note.noteId));
+            const note = candidates.find(c => c.title === moduleName);
+
+            if (!note) {
+                return require(moduleName);
+            }
+
+            return this.modules[note.noteId].exports;
+        }
+    };
+}
+
+export = ScriptContext;