dcc: refactor input

@plotly/dash-generator-test-component-typescript/generator.test.ts

@@ -289,6 +289,40 @@ describe('Test Typescript component metadata generation', () => {
                 expect(propType.value[1].value).toBe('small');
             }
         )
+
+        test(
+            'union of boolean and literal values', () => {
+                const propType = R.path(
+                    propPath('TypeScriptComponent', 'boolean_enum').concat(
+                        'type'
+                    ),
+                    metadata
+                );
+                expect(propType.name).toBe('union');
+                expect(propType.value.length).toBe(3);
+                expect(propType.value[0].name).toBe('bool');
+                expect(propType.value[1].name).toBe('literal');
+                expect(propType.value[2].name).toBe('literal');
+                expect(propType.value[0].value).toBe(undefined);
+                expect(propType.value[1].value).toBe('small');
+                expect(propType.value[2].value).toBe('large');
+            }
+        )
+
+        test(
+            'union of duplicated types', () => {
+                const propType = R.path(
+                    propPath('TypeScriptComponent', 'duplicated_enum').concat(
+                        'type'
+                    ),
+                    metadata
+                );
+                expect(propType.name).toBe('union');
+                expect(propType.value.length).toBe(2);
+                expect(propType.value[0].name).toBe('number');
+                expect(propType.value[1].name).toBe('bool');
+            }
+        )
     });
 
     describe('Test component comments', () => {

@plotly/dash-generator-test-component-typescript/src/props.ts

@@ -48,7 +48,9 @@ export type TypescriptComponentProps = {
     object_of_string?: {[k: string]: string};
     object_of_components?: {[k: string]: JSX.Element};
     ignored_prop?: {ignore: {me: string}};
-    union_enum?: number | 'small' | 'large'
+    union_enum?: number | 'small' | 'large';
+    boolean_enum?: boolean | 'small' | 'large';
+    duplicated_enum?: boolean | number | number;
 };
 
 export type WrappedHTMLProps = {

components/dash-core-components/.eslintrc

@@ -25,6 +25,19 @@
     "jasmine": true,
     "node": true
   },
+  "overrides": [
+    {
+      "files": ["*.ts", "*.tsx"],
+      "parser": "@typescript-eslint/parser",
+      "plugins": ["@typescript-eslint"],
+      "extends": [
+        "plugin:@typescript-eslint/recommended"
+      ],
+      "rules": {
+        // You can add TypeScript-specific rules here
+      }
+    }
+  ],
   "plugins": [
     "react",
     "import"

components/dash-core-components/dash_core_components_base/__init__.py

@@ -122,6 +122,11 @@
             "namespace": "dash",
             "dynamic": True,
         },
+        {
+            "dev_package_path": "dcc/proptypes.js",
+            "dev_only": True,
+            "namespace": "dash",
+        },
     ]
 )