feat: export EtaNameResolutionError

src/err.ts

@@ -26,6 +26,13 @@ export class EtaFileResolutionError extends Error {
   }
 }
 
+export class EtaNameResolutionError extends Error {
+  constructor(message: string) {
+    super(message);
+    this.name = "EtaNameResolution Error";
+  }
+}
+
 /**
  * Throws an EtaError with a nicely formatted error and message showing where in the template the error occurred.
  */

src/index.ts

@@ -1,6 +1,11 @@
 import { Eta as EtaCore } from "./core.ts";
 import { readFile, resolvePath } from "./file-handling.ts";
-export { EtaParseError, EtaRuntimeErr, EtaFileResolutionError } from "./err.ts";
+export {
+  EtaParseError,
+  EtaRuntimeErr,
+  EtaFileResolutionError,
+  EtaNameResolutionError,
+} from "./err.ts";
 
 export class Eta extends EtaCore {
   readFile = readFile;

src/render.ts

@@ -1,4 +1,4 @@
-import { EtaError } from "./err.ts";
+import { EtaNameResolutionError } from "./err.ts";
 
 /* TYPES */
 import type { Options } from "./config.ts";
@@ -31,7 +31,7 @@ function handleCache(this: Eta, template: string, options: Partial<Options>): Te
     if (cachedTemplate) {
       return cachedTemplate;
     } else {
-      throw new EtaError("Failed to get template '" + template + "'");
+      throw new EtaNameResolutionError("Failed to get template '" + template + "'");
     }
   }
 }

test/err.spec.ts

@@ -1,7 +1,13 @@
 /* global it, expect, describe */
 
 import path from "path";
-import { Eta, EtaParseError, EtaRuntimeErr, EtaFileResolutionError } from "../src/index";
+import {
+  Eta,
+  EtaParseError,
+  EtaRuntimeErr,
+  EtaFileResolutionError,
+  EtaNameResolutionError,
+} from "../src/index";
 
 describe("ParseErr", () => {
   const eta = new Eta();
@@ -106,3 +112,19 @@ describe("EtaFileResolutionError", () => {
     }
   });
 });
+
+describe("EtaNameResolutionError", () => {
+  const eta = new Eta({ debug: true, views: path.join(__dirname, "templates") });
+
+  it("error throws correctly", () => {
+    const template = "@not-existing-tp";
+
+    try {
+      eta.render(template, {});
+    } catch (ex) {
+      expect(ex).toBeInstanceOf(EtaNameResolutionError);
+      expect((ex as EtaNameResolutionError).name).toBe("EtaNameResolution Error");
+      expect((ex as EtaNameResolutionError).message).toBe(`Failed to get template '${template}'`);
+    }
+  });
+});