first set of for...of removals to get rid of eslint disables

packages/react-dom/src/__tests__/ReactMultiChildReconcile-test.js

@@ -251,8 +251,8 @@ function prepareChildrenArray(childrenArray) {
 function prepareChildrenIterable(childrenArray) {
   return {
     '@@iterator': function*() {
-      // eslint-disable-next-line no-for-of-loops/no-for-of-loops
-      for (const child of childrenArray) {
+      for (let i = 0; i < childrenArray.length; i++) {
+        let child = childrenArray[i];
         yield child;
       }
     },

packages/react-native-renderer/src/__mocks__/FabricUIManager.js

@@ -17,8 +17,8 @@ const allocatedTags = new Set();
 function dumpSubtree(info, indent) {
   let out = '';
   out += ' '.repeat(indent) + info.viewName + ' ' + JSON.stringify(info.props);
-  // eslint-disable-next-line no-for-of-loops/no-for-of-loops
-  for (const child of info.children) {
+  for (let i = 0; i < info.children.length; i++) {
+    const child = info.children[i];
     out += '\n' + dumpSubtree(child, indent + 2);
   }
   return out;
@@ -27,22 +27,21 @@ function dumpSubtree(info, indent) {
 const RCTFabricUIManager = {
   __dumpChildSetForJestTestsOnly: function(childSet) {
     let result = [];
-    // eslint-disable-next-line no-for-of-loops/no-for-of-loops
-    for (const child of childSet) {
+    for (let i = 0; i < childSet.length; i++) {
+      const child = childSet[i];
       result.push(dumpSubtree(child, 0));
     }
     return result.join('\n');
   },
   __dumpHierarchyForJestTestsOnly: function() {
     let result = [];
-    // eslint-disable-next-line no-for-of-loops/no-for-of-loops
-    for (const [rootTag, childSet] of roots) {
+    roots.forEach(function(childSet, rootTag){
       result.push(rootTag);
-      // eslint-disable-next-line no-for-of-loops/no-for-of-loops
-      for (const child of childSet) {
+      for (let i = 0; i < childSet.length; i++) {
+        const child = childSet[i];
         result.push(dumpSubtree(child, 1));
       }
-    }
+    });
     return result.join('\n');
   },
   createNode: jest.fn(function createNode(

packages/react-native-renderer/src/__tests__/ReactFabric-test.internal.js

@@ -109,7 +109,7 @@ describe('ReactFabric', () => {
     ).toBe(1);
   });
 
-  it('should only pass props diffs to FabricUIManager.cloneNode', () => {
+  it.only('should only pass props diffs to FabricUIManager.cloneNode', () => {
     const View = createReactNativeComponentClass('View', () => ({
       validAttributes: {foo: true, bar: true},
       uiViewClassName: 'View',

scripts/error-codes/invertObject.js

@@ -21,7 +21,8 @@ function invertObject(targetObj /* : ErrorMap */) /* : ErrorMap */ {
   const mapKeys = Object.keys(targetObj);
 
   // eslint-disable-next-line no-for-of-loops/no-for-of-loops
-  for (const originalKey of mapKeys) {
+  for (let i = 0; i < mapKeys.length; i++) {
+    const originalKey = mapKeys[i];
     const originalVal = targetObj[originalKey];
 
     result[originalVal] = originalKey;