Ensure all operations are under checkOnly. (#1018)

Ensure deleted component imports are deleted.

Author: Chris McConnell

packages/dialog/src/library/schemaMerger.ts

@@ -532,9 +532,11 @@ export class SchemaMerger {
 
         // Delete existing output
         let outputPath = ppath.resolve(this.output + '.schema')
-        await fs.remove(this.output + '.schema')
-        await fs.remove(this.output + '.schema.final')
-        await fs.remove(this.output + '.schema.expanded')
+        if (!this.checkOnly) {
+            await fs.remove(this.output + '.schema')
+            await fs.remove(this.output + '.schema.final')
+            await fs.remove(this.output + '.schema.expanded')
+        }
 
         let componentPaths: PathComponent[] = []
         let schemas = this.files.get('.schema')
@@ -679,7 +681,9 @@ export class SchemaMerger {
      * Does extensive error checking and validation against the schema.
      */
     private async mergeUISchemas(schema: any): Promise<void> {
-        await fs.remove(this.output + '.uischema')
+        if (!this.checkOnly) {
+            await fs.remove(this.output + '.uischema')
+        }
 
         let uiSchemas = this.files.get('.uischema')
         let result = {}
@@ -872,7 +876,7 @@ export class SchemaMerger {
                             }
                         }
                         if (!this.checkOnly) {
-                            await fs.remove(importedDir)
+                            await fs.remove(ppath.join(this.imports, importedDir))
                         }
                     }
                 }

packages/dialog/test/commands/dialog/merge.test.ts

@@ -357,6 +357,7 @@ describe('dialog:merge', async () => {
         assert(merged5?.deleted.length === 4, 'Wrong number deleted 5th')
         assert(merged5?.unchanged.length === 0, 'Wrong number unchanged 5th')
         assert(merged5?.conflicts.length === 1, 'Wrong number of conflicts on 5th')
+        assert(!await fs.pathExists(ppath.join(tempDir, 'imported/nuget3')))
     })
 
     it('package.json', async () => {