feat(errors): make transform errors look more like parse errors

package.json

@@ -38,7 +38,7 @@
     "@babel/cli": "^7.2.3",
     "@babel/plugin-proposal-pipeline-operator": "^7.3.2",
     "@babel/preset-env": "^7.8.6",
-    "@fink/larix": "^4.3.0",
+    "@fink/larix": "^4.4.0",
     "@nearmap/eslint-config-base": "^1.1.0",
     "babel-eslint": "^10.1.0",
     "commitizen": "^4.0.3",

src/index.test.js

@@ -5,16 +5,17 @@ import {unindent_text, fink2js} from './testing';
 test('errors', ()=> {
   expect(
     ()=> fink2js(`
-      123 = foo
-    `)
+      123 = foo`
+    )
   ).toThrow(unindent_text(`
-    test.fnk:1:0: Unable to transform 'assign =':
-
+    test.fnk:1:0
     1| 123 = foo
        ^
-    2|`)
+
+    Unable to transform 'assign ='.`)
   );
 
+
   expect(
     ()=> generate({
       type: 'test',
@@ -26,10 +27,12 @@ test('errors', ()=> {
     }, 'test.fnk', 'foobar')
 
   ).toThrow(unindent_text(`
-    test.fnk:1:0: Unable to transform 'test':
-
+    test.fnk:1:0
     1| foobar
        ^
-    `)
+
+    Unable to transform 'test'.
+
+    Unknown expression`)
   );
 });

src/lang/errors.js

@@ -11,9 +11,9 @@ class TransformError extends Error {
     );
 
     super(
-      `${filename}:${line}:${column}: Unable to transform '${type_op}':\n\n${
+      `${filename}:${line}:${column}\n${
         highlight_code_loc(code, node.loc)
-      }\n\n${err.stack}`
+      }\n\nUnable to transform '${type_op}'.\n\n${err.message}`
     );
   }
 }

src/testing/index.js

@@ -11,7 +11,8 @@ export const unindent_text = (text)=> {
 
 export const fink2js = (source)=> {
   source = unindent_text(source);
-  const ast = parse(source);
-  const gen = generate(ast, 'test.fnk', source);
+  const filename = 'test.fnk';
+  const ast = parse(source, filename);
+  const gen = generate(ast, filename, source);
   return gen.code;
 };