fix: TransformerFactory type should be SourceFile rather than Node

TypeScript will complain about:
"Type 'Node' is not assignable to type 'SourceFile'."

Author: vincentbel

src/index.ts

@@ -39,12 +39,12 @@ export const allTransforms = [
     reactRemoveStaticPropTypesMemberTransformFactoryFactory,
 ];
 
-export type TransformFactoryFactory = (typeChecker: ts.TypeChecker) => ts.TransformerFactory<ts.Node>;
+export type TransformFactoryFactory = (typeChecker: ts.TypeChecker) => ts.TransformerFactory<ts.SourceFile>;
 
 /**
  * Run React JavaScript to TypeScript transform for file at `filePath`
  * @param filePath
  */
 export function run(filePath: string): string {
     return compile(filePath, allTransforms);
-}
+}

src/transforms/collapse-intersection-interfaces-transform.ts

@@ -14,7 +14,7 @@ import * as helpers from '../helpers';
  */
 export function collapseIntersectionInterfacesTransformFactoryFactory(
         typeChecker: ts.TypeChecker,
-    ): ts.TransformerFactory<ts.Node> {
+    ): ts.TransformerFactory<ts.SourceFile> {
     return function collapseIntersectionInterfacesTransformFactory(context: ts.TransformationContext) {
         return function collapseIntersectionInterfacesTransform(sourceFile: ts.SourceFile) {
             const visited = ts.visitEachChild(sourceFile, visitor, context);

src/transforms/react-hoist-generics-transform.ts

@@ -2,6 +2,8 @@ import * as ts from 'typescript';
 
 import * as helpers from '../helpers';
 
+export type Factory = ts.TransformerFactory<ts.SourceFile>;
+
 /**
  * Hoist generics to top of a class declarations in a React component
  *
@@ -14,7 +16,7 @@ import * as helpers from '../helpers';
  * type SomeComponentState = {bar: string;};
  * class SomeComponent extends React.Component<SomeComponentProps, SomeComponentState> {}
  */
-export function reactHoistGenericsTransformFactoryFactory(typeChecker: ts.TypeChecker): ts.TransformerFactory<ts.Node> {
+export function reactHoistGenericsTransformFactoryFactory(typeChecker: ts.TypeChecker): Factory {
     return function reactHoistGenericsTransformFactory(context: ts.TransformationContext) {
         return function reactHoistGenericsTransform(node: ts.SourceFile) {
             return visitSourceFile(node);

src/transforms/react-js-make-props-and-state-transform.ts

@@ -2,7 +2,7 @@ import * as ts from 'typescript';
 
 import * as helpers from '../helpers';
 
-export type Factory = ts.TransformerFactory<ts.Node>;
+export type Factory = ts.TransformerFactory<ts.SourceFile>;
 
 /**
  * Get transform for transforming React code originally written in JS which does not have

src/transforms/react-move-prop-types-to-class-transform.ts

@@ -2,7 +2,7 @@ import * as ts from 'typescript';
 
 import * as helpers from '../helpers';
 
-export type Factory = ts.TransformerFactory<ts.Node>;
+export type Factory = ts.TransformerFactory<ts.SourceFile>;
 
 /**
  * Move Component.propTypes statements into class as a static member of the class

src/transforms/react-remove-prop-types-assignment-transform.ts

@@ -2,7 +2,7 @@ import * as ts from 'typescript';
 
 import * as helpers from '../helpers';
 
-export type Factory = ts.TransformerFactory<ts.Node>;
+export type Factory = ts.TransformerFactory<ts.SourceFile>;
 
 /**
  * Remove Component.propTypes statements

src/transforms/react-remove-static-prop-types-member-transform.ts

@@ -2,7 +2,7 @@ import * as ts from 'typescript';
 
 import * as helpers from '../helpers';
 
-export type Factory = ts.TransformerFactory<ts.Node>;
+export type Factory = ts.TransformerFactory<ts.SourceFile>;
 
 /**
  * Remove static propTypes