Fix trailing whitespace in debug output so prettier stops creating diffs

Author: dfreeman

packages/transform/__tests__/debug.test.ts

@@ -33,77 +33,77 @@ describe('Debug utilities', () => {
       | Mapping: Template
       |  hbs(0:50):    hbs\`\\\\n    <HelperComponent @foo={{this.bar}} />\\\\n  \`
       |  ts(0:277):    (() => {\\\\n  hbs;\\\\n  let χ!: typeof import(\\"@glint/environment-glimmerx/types\\");\\\\n  return χ.template(function(𝚪: import(\\"@glint/environment-glimmerx/types\\").ResolveContext<MyComponent>) {\\\\n    χ.invokeBlock(χ.resolve(HelperComponent)({ foo: 𝚪.this.bar }), {});\\\\n    𝚪;\\\\n  });\\\\n})()
-      | 
+      |
       | | Mapping: Identifier
-      | |  hbs(0:0):     
+      | |  hbs(0:0):
       | |  ts(170:181):  MyComponent
-      | | 
+      | |
       | | Mapping: ElementNode
       | |  hbs(9:46):    <HelperComponent @foo={{this.bar}} />
       | |  ts(186:259):  χ.invokeBlock(χ.resolve(HelperComponent)({ foo: 𝚪.this.bar }), {});
-      | | 
+      | |
       | | | Mapping: ElementNode
       | | |  hbs(9:46):    <HelperComponent @foo={{this.bar}} />
       | | |  ts(186:259):  χ.invokeBlock(χ.resolve(HelperComponent)({ foo: 𝚪.this.bar }), {});
-      | | | 
+      | | |
       | | | | Mapping: Identifier
       | | | |  hbs(10:25):   HelperComponent
       | | | |  ts(214:229):  HelperComponent
-      | | | | 
+      | | | |
       | | | | Mapping: AttrNode
       | | | |  hbs(26:43):   @foo={{this.bar}}
       | | | |  ts(233:249):  foo: 𝚪.this.bar
-      | | | | 
+      | | | |
       | | | | | Mapping: Identifier
       | | | | |  hbs(27:30):   foo
       | | | | |  ts(233:236):  foo
-      | | | | | 
+      | | | | |
       | | | | | Mapping: MustacheStatement
       | | | | |  hbs(31:43):   {{this.bar}}
       | | | | |  ts(238:249):  𝚪.this.bar
-      | | | | | 
+      | | | | |
       | | | | | | Mapping: PathExpression
       | | | | | |  hbs(33:41):   this.bar
       | | | | | |  ts(238:249):  𝚪.this.bar
-      | | | | | | 
+      | | | | | |
       | | | | | | | Mapping: Identifier
       | | | | | | |  hbs(33:37):   this
       | | | | | | |  ts(241:245):  this
-      | | | | | | | 
+      | | | | | | |
       | | | | | | | Mapping: Identifier
       | | | | | | |  hbs(38:41):   bar
       | | | | | | |  ts(246:249):  bar
-      | | | | | | | 
-      | | | | | | 
-      | | | | | 
-      | | | | 
-      | | | 
-      | | 
-      | 
+      | | | | | | |
+      | | | | | |
+      | | | | |
+      | | | |
+      | | |
+      | |
+      |
 
       | Mapping: Template
       |  hbs(0:28):    hbs\`\\\\n    Hello, {{@foo}}\\\\n  \`
       |  ts(0:262):    (() => {\\\\n  hbs;\\\\n  let χ!: typeof import(\\"@glint/environment-glimmerx/types\\");\\\\n  return χ.template(function(𝚪: import(\\"@glint/environment-glimmerx/types\\").ResolveContext<HelperComponent>) {\\\\n    χ.invokeEmit(χ.resolveOrReturn(𝚪.args.foo)({}));\\\\n    𝚪;\\\\n  });\\\\n})()
-      | 
+      |
       | | Mapping: Identifier
-      | |  hbs(0:0):     
+      | |  hbs(0:0):
       | |  ts(170:185):  HelperComponent
-      | | 
+      | |
       | | Mapping: MustacheStatement
       | |  hbs(16:24):   {{@foo}}
       | |  ts(190:242):  χ.invokeEmit(χ.resolveOrReturn(𝚪.args.foo)({}))
-      | | 
+      | |
       | | | Mapping: PathExpression
       | | |  hbs(18:22):   @foo
       | | |  ts(225:236):  𝚪.args.foo
-      | | | 
+      | | |
       | | | | Mapping: Identifier
       | | | |  hbs(19:22):   foo
       | | | |  ts(233:236):  foo
-      | | | | 
-      | | | 
-      | | 
-      | "
+      | | | |
+      | | |
+      | |
+      |"
     `);
   });
 });

packages/transform/src/mapping-tree.ts

@@ -98,6 +98,6 @@ export default class MappingTree {
       lines.push(indent);
     }
 
-    return lines.join('\n');
+    return lines.map((line) => line.trimEnd()).join('\n');
   }
 }