Move ContextEvaluator to TS

Author: KSDaemon

packages/cubejs-schema-compiler/src/compiler/ContextEvaluator.js

@@ -0,0 +1,47 @@
+import { CubeEvaluator } from './CubeEvaluator';
+import { ErrorReporter } from './ErrorReporter';
+
+export type ContextDefinition = {
+  name: string;
+  contextMembers: string | string[];
+};
+
+export class ContextEvaluator {
+  private cubeEvaluator: CubeEvaluator;
+
+  private contextDefinitions: Record<string, ContextDefinition>;
+
+  public constructor(cubeEvaluator: CubeEvaluator) {
+    this.cubeEvaluator = cubeEvaluator;
+    this.contextDefinitions = {};
+  }
+
+  public compile(contexts: any, errorReporter: ErrorReporter) {
+    if (contexts.length === 0) {
+      return;
+    }
+
+    const definitions: Record<string, ContextDefinition> = {};
+
+    for (const v of contexts) {
+      if (definitions[v.name]) {
+        errorReporter.error(`Duplicate context name found: '${v.name}'`);
+      } else {
+        definitions[v.name] = this.compileContext(v);
+      }
+    }
+
+    this.contextDefinitions = definitions;
+  }
+
+  private compileContext(context: any): ContextDefinition {
+    return {
+      name: context.name,
+      contextMembers: this.cubeEvaluator.evaluateReferences(null, context.contextMembers)
+    };
+  }
+
+  public get contextList(): string[] {
+    return Object.keys(this.contextDefinitions);
+  }
+}

packages/cubejs-schema-compiler/src/compiler/ContextEvaluator.ts

@@ -833,7 +833,7 @@ export class CubeSymbols {
     });
   }
 
-  protected evaluateReferences<T extends ToString | Array<ToString>>(
+  public evaluateReferences<T extends ToString | Array<ToString>>(
     cube: string | null,
     referencesFn: (...args: Array<unknown>) => T,
     options: { collectJoinHints?: boolean, originalSorting?: boolean } = {}