private buildMergeOverridesFunction()

in packages/codegen-ui-react/lib/react-studio-template-renderer.ts [633:836]
204 lines of code
1 McCabe index (conditional complexity)

  private buildMergeOverridesFunction(): VariableStatement {
    return factory.createVariableStatement(
      undefined,
      factory.createVariableDeclarationList(
        [
          factory.createVariableDeclaration(
            factory.createIdentifier('mergeVariantsAndOverrides'),
            undefined,
            undefined,
            factory.createArrowFunction(
              undefined,
              undefined,
              [
                factory.createParameterDeclaration(
                  undefined,
                  undefined,
                  undefined,
                  factory.createIdentifier('variants'),
                  undefined,
                  factory.createTypeReferenceNode(factory.createIdentifier('EscapeHatchProps'), undefined),
                  undefined,
                ),
                factory.createParameterDeclaration(
                  undefined,
                  undefined,
                  undefined,
                  factory.createIdentifier('overrides'),
                  undefined,
                  factory.createTypeReferenceNode(factory.createIdentifier('EscapeHatchProps'), undefined),
                  undefined,
                ),
              ],
              factory.createTypeReferenceNode(factory.createIdentifier('EscapeHatchProps'), undefined),
              factory.createToken(ts.SyntaxKind.EqualsGreaterThanToken),
              factory.createBlock(
                [
                  factory.createVariableStatement(
                    undefined,
                    factory.createVariableDeclarationList(
                      [
                        factory.createVariableDeclaration(
                          factory.createIdentifier('overrideKeys'),
                          undefined,
                          undefined,
                          factory.createNewExpression(factory.createIdentifier('Set'), undefined, [
                            factory.createCallExpression(
                              factory.createPropertyAccessExpression(
                                factory.createIdentifier('Object'),
                                factory.createIdentifier('keys'),
                              ),
                              undefined,
                              [factory.createIdentifier('overrides')],
                            ),
                          ]),
                        ),
                      ],
                      ts.NodeFlags.Const,
                    ),
                  ),
                  factory.createVariableStatement(
                    undefined,
                    factory.createVariableDeclarationList(
                      [
                        factory.createVariableDeclaration(
                          factory.createIdentifier('sharedKeys'),
                          undefined,
                          undefined,
                          factory.createCallExpression(
                            factory.createPropertyAccessExpression(
                              factory.createCallExpression(
                                factory.createPropertyAccessExpression(
                                  factory.createIdentifier('Object'),
                                  factory.createIdentifier('keys'),
                                ),
                                undefined,
                                [factory.createIdentifier('variants')],
                              ),
                              factory.createIdentifier('filter'),
                            ),
                            undefined,
                            [
                              factory.createArrowFunction(
                                undefined,
                                undefined,
                                [
                                  factory.createParameterDeclaration(
                                    undefined,
                                    undefined,
                                    undefined,
                                    factory.createIdentifier('variantKey'),
                                    undefined,
                                    undefined,
                                    undefined,
                                  ),
                                ],
                                undefined,
                                factory.createToken(ts.SyntaxKind.EqualsGreaterThanToken),
                                factory.createCallExpression(
                                  factory.createPropertyAccessExpression(
                                    factory.createIdentifier('overrideKeys'),
                                    factory.createIdentifier('has'),
                                  ),
                                  undefined,
                                  [factory.createIdentifier('variantKey')],
                                ),
                              ),
                            ],
                          ),
                        ),
                      ],
                      ts.NodeFlags.Const,
                    ),
                  ),
                  factory.createVariableStatement(
                    undefined,
                    factory.createVariableDeclarationList(
                      [
                        factory.createVariableDeclaration(
                          factory.createIdentifier('merged'),
                          undefined,
                          undefined,
                          factory.createCallExpression(
                            factory.createPropertyAccessExpression(
                              factory.createIdentifier('Object'),
                              factory.createIdentifier('fromEntries'),
                            ),
                            undefined,
                            [
                              factory.createCallExpression(
                                factory.createPropertyAccessExpression(
                                  factory.createIdentifier('sharedKeys'),
                                  factory.createIdentifier('map'),
                                ),
                                undefined,
                                [
                                  factory.createArrowFunction(
                                    undefined,
                                    undefined,
                                    [
                                      factory.createParameterDeclaration(
                                        undefined,
                                        undefined,
                                        undefined,
                                        factory.createIdentifier('sharedKey'),
                                        undefined,
                                        undefined,
                                        undefined,
                                      ),
                                    ],
                                    undefined,
                                    factory.createToken(ts.SyntaxKind.EqualsGreaterThanToken),
                                    factory.createArrayLiteralExpression(
                                      [
                                        factory.createIdentifier('sharedKey'),
                                        factory.createObjectLiteralExpression(
                                          [
                                            factory.createSpreadAssignment(
                                              factory.createElementAccessExpression(
                                                factory.createIdentifier('variants'),
                                                factory.createIdentifier('sharedKey'),
                                              ),
                                            ),
                                            factory.createSpreadAssignment(
                                              factory.createElementAccessExpression(
                                                factory.createIdentifier('overrides'),
                                                factory.createIdentifier('sharedKey'),
                                              ),
                                            ),
                                          ],
                                          false,
                                        ),
                                      ],
                                      false,
                                    ),
                                  ),
                                ],
                              ),
                            ],
                          ),
                        ),
                      ],
                      ts.NodeFlags.Const,
                    ),
                  ),
                  factory.createReturnStatement(
                    factory.createObjectLiteralExpression(
                      [
                        factory.createSpreadAssignment(factory.createIdentifier('variants')),
                        factory.createSpreadAssignment(factory.createIdentifier('overrides')),
                        factory.createSpreadAssignment(factory.createIdentifier('merged')),
                      ],
                      true,
                    ),
                  ),
                ],
                true,
              ),
            ),
          ),
        ],
        ts.NodeFlags.Const,
      ),
    );
  }