Run the codemod

Author: gaearon

packages/create-subscription/src/createSubscription.js

@@ -37,14 +37,14 @@ export function createSubscription<Property, Value>(
   const {getCurrentValue, subscribe} = config;
 
   if (__DEV__) {
-    warningWithoutStack(
-      typeof getCurrentValue === 'function',
-      'Subscription must specify a getCurrentValue function',
-    );
-    warningWithoutStack(
-      typeof subscribe === 'function',
-      'Subscription must specify a subscribe function',
-    );
+    if (typeof getCurrentValue !== 'function') {
+      warningWithoutStack(
+        'Subscription must specify a getCurrentValue function',
+      );
+    }
+    if (typeof subscribe !== 'function') {
+      warningWithoutStack('Subscription must specify a subscribe function');
+    }
   }
 
   type Props = {

packages/legacy-events/EventPluginUtils.js

@@ -22,11 +22,12 @@ export function setComponentTree(
   getInstanceFromNode = getInstanceFromNodeImpl;
   getNodeFromInstance = getNodeFromInstanceImpl;
   if (__DEV__) {
-    warningWithoutStack(
-      getNodeFromInstance && getInstanceFromNode,
-      'EventPluginUtils.setComponentTree(...): Injected ' +
-        'module is missing getNodeFromInstance or getInstanceFromNode.',
-    );
+    if (!getNodeFromInstance || !getInstanceFromNode) {
+      warningWithoutStack(
+        'EventPluginUtils.setComponentTree(...): Injected ' +
+          'module is missing getNodeFromInstance or getInstanceFromNode.',
+      );
+    }
   }
 }
 
@@ -50,10 +51,9 @@ if (__DEV__) {
         ? 1
         : 0;
 
-    warningWithoutStack(
-      instancesIsArr === listenersIsArr && instancesLen === listenersLen,
-      'EventPluginUtils: Invalid `event`.',
-    );
+    if (instancesIsArr !== listenersIsArr || instancesLen !== listenersLen) {
+      warningWithoutStack('EventPluginUtils: Invalid `event`.');
+    }
   };
 }
 

packages/legacy-events/EventPropagators.js

@@ -46,7 +46,9 @@ function listenerAtPhase(inst, event, propagationPhase: PropagationPhases) {
  */
 function accumulateDirectionalDispatches(inst, phase, event) {
   if (__DEV__) {
-    warningWithoutStack(inst, 'Dispatching inst must not be null');
+    if (!inst) {
+      warningWithoutStack('Dispatching inst must not be null');
+    }
   }
   const listener = listenerAtPhase(inst, event, phase);
   if (listener) {

packages/legacy-events/ResponderTouchHistoryStore.js

@@ -95,13 +95,14 @@ function resetTouchRecord(touchRecord: TouchRecord, touch: Touch): void {
 function getTouchIdentifier({identifier}: Touch): number {
   invariant(identifier != null, 'Touch object is missing identifier.');
   if (__DEV__) {
-    warningWithoutStack(
-      identifier <= MAX_TOUCH_BANK,
-      'Touch identifier %s is greater than maximum supported %s which causes ' +
-        'performance issues backfilling array locations for all of the indices.',
-      identifier,
-      MAX_TOUCH_BANK,
-    );
+    if (identifier > MAX_TOUCH_BANK) {
+      warningWithoutStack(
+        'Touch identifier %s is greater than maximum supported %s which causes ' +
+          'performance issues backfilling array locations for all of the indices.',
+        identifier,
+        MAX_TOUCH_BANK,
+      );
+    }
   }
   return identifier;
 }
@@ -200,10 +201,9 @@ const ResponderTouchHistoryStore = {
         }
         if (__DEV__) {
           const activeRecord = touchBank[touchHistory.indexOfSingleActiveTouch];
-          warningWithoutStack(
-            activeRecord != null && activeRecord.touchActive,
-            'Cannot find single active touch.',
-          );
+          if (activeRecord == null || !activeRecord.touchActive) {
+            warningWithoutStack('Cannot find single active touch.');
+          }
         }
       }
     }

packages/legacy-events/SyntheticEvent.js

@@ -285,7 +285,6 @@ function getPooledWarningPropertyDefinition(propName, getVal) {
   function warn(action, result) {
     if (__DEV__) {
       warningWithoutStack(
-        false,
         "This synthetic event is reused for performance reasons. If you're seeing this, " +
           "you're %s `%s` on a released/nullified synthetic event. %s. " +
           'If you must keep the original synthetic event around, use event.persist(). ' +

packages/react-cache/src/ReactCache.js

@@ -64,18 +64,23 @@ function readContext(Context, observedBits) {
 
 function identityHashFn(input) {
   if (__DEV__) {
-    warningWithoutStack(
-      typeof input === 'string' ||
+    if (
+      !(
+        typeof input === 'string' ||
         typeof input === 'number' ||
         typeof input === 'boolean' ||
         input === undefined ||
-        input === null,
-      'Invalid key type. Expected a string, number, symbol, or boolean, ' +
-        'but instead received: %s' +
-        '\n\nTo use non-primitive values as keys, you must pass a hash ' +
-        'function as the second argument to createResource().',
-      input,
-    );
+        input === null
+      )
+    ) {
+      warningWithoutStack(
+        'Invalid key type. Expected a string, number, symbol, or boolean, ' +
+          'but instead received: %s' +
+          '\n\nTo use non-primitive values as keys, you must pass a hash ' +
+          'function as the second argument to createResource().',
+        input,
+      );
+    }
   }
   return input;
 }

packages/react-dom/src/client/ReactDOM.js

@@ -93,7 +93,6 @@ if (__DEV__) {
     typeof Set.prototype.forEach !== 'function'
   ) {
     warningWithoutStack(
-      false,
       'React depends on Map and Set built-in types. Make sure that you load a ' +
         'polyfill in older browsers. https://fb.me/react-polyfills',
     );
@@ -146,7 +145,6 @@ const ReactDOM: Object = {
       if (!didWarnAboutUnstableCreatePortal) {
         didWarnAboutUnstableCreatePortal = true;
         lowPriorityWarningWithoutStack(
-          false,
           'The ReactDOM.unstable_createPortal() alias has been deprecated, ' +
             'and will be removed in React 17+. Update your code to use ' +
             'ReactDOM.createPortal() instead. It has the exact same API, ' +

packages/react-dom/src/client/ReactDOMComponent.js

@@ -185,7 +185,6 @@ if (__DEV__) {
     }
     didWarnInvalidHydration = true;
     warningWithoutStack(
-      false,
       'Text content did not match. Server: "%s" Client: "%s"',
       normalizedServerText,
       normalizedClientText,
@@ -211,7 +210,6 @@ if (__DEV__) {
     }
     didWarnInvalidHydration = true;
     warningWithoutStack(
-      false,
       'Prop `%s` did not match. Server: %s Client: %s',
       propName,
       JSON.stringify(normalizedServerValue),
@@ -228,13 +226,12 @@ if (__DEV__) {
     attributeNames.forEach(function(name) {
       names.push(name);
     });
-    warningWithoutStack(false, 'Extra attributes from the server: %s', names);
+    warningWithoutStack('Extra attributes from the server: %s', names);
   };
 
   warnForInvalidEventListener = function(registrationName, listener) {
     if (listener === false) {
       warning(
-        false,
         'Expected `%s` listener to be a function, instead got `false`.\n\n' +
           'If you used to conditionally omit it with %s={condition && value}, ' +
           'pass %s={condition ? value : undefined} instead.',
@@ -244,7 +241,6 @@ if (__DEV__) {
       );
     } else {
       warning(
-        false,
         'Expected `%s` listener to be a function, instead got a value of `%s` type.',
         registrationName,
         typeof listener,
@@ -416,13 +412,14 @@ export function createElement(
       isCustomComponentTag = isCustomComponent(type, props);
       // Should this check be gated by parent namespace? Not sure we want to
       // allow <SVG> or <mATH>.
-      warning(
-        isCustomComponentTag || type === type.toLowerCase(),
-        '<%s /> is using incorrect casing. ' +
-          'Use PascalCase for React components, ' +
-          'or lowercase for HTML elements.',
-        type,
-      );
+      if (!isCustomComponentTag && type !== type.toLowerCase()) {
+        warning(
+          '<%s /> is using incorrect casing. ' +
+            'Use PascalCase for React components, ' +
+            'or lowercase for HTML elements.',
+          type,
+        );
+      }
     }
 
     if (type === 'script') {
@@ -432,7 +429,6 @@ export function createElement(
       if (__DEV__) {
         if (enableTrustedTypesIntegration && !didWarnScriptTags) {
           warning(
-            false,
             'Encountered a script tag while rendering React component. ' +
               'Scripts inside React components are never executed when rendering ' +
               'on the client. Consider using template tag instead ' +
@@ -488,7 +484,6 @@ export function createElement(
       ) {
         warnedUnknownTags[type] = true;
         warning(
-          false,
           'The tag <%s> is unrecognized in this browser. ' +
             'If you meant to render a React component, start its name with ' +
             'an uppercase letter.',
@@ -525,7 +520,6 @@ export function setInitialProperties(
       (domElement: any).shadyRoot
     ) {
       warning(
-        false,
         '%s is using shady DOM. Using shady DOM with React can ' +
           'cause things to break subtly.',
         getCurrentFiberOwnerNameInDevOrNull() || 'A component',
@@ -926,7 +920,6 @@ export function diffHydratedProperties(
       (domElement: any).shadyRoot
     ) {
       warning(
-        false,
         '%s is using shady DOM. Using shady DOM with React can ' +
           'cause things to break subtly.',
         getCurrentFiberOwnerNameInDevOrNull() || 'A component',
@@ -1219,7 +1212,6 @@ export function warnForDeletedHydratableElement(
     }
     didWarnInvalidHydration = true;
     warningWithoutStack(
-      false,
       'Did not expect server HTML to contain a <%s> in <%s>.',
       child.nodeName.toLowerCase(),
       parentNode.nodeName.toLowerCase(),
@@ -1237,7 +1229,6 @@ export function warnForDeletedHydratableText(
     }
     didWarnInvalidHydration = true;
     warningWithoutStack(
-      false,
       'Did not expect server HTML to contain the text node "%s" in <%s>.',
       child.nodeValue,
       parentNode.nodeName.toLowerCase(),
@@ -1256,7 +1247,6 @@ export function warnForInsertedHydratedElement(
     }
     didWarnInvalidHydration = true;
     warningWithoutStack(
-      false,
       'Expected server HTML to contain a matching <%s> in <%s>.',
       tag,
       parentNode.nodeName.toLowerCase(),
@@ -1281,7 +1271,6 @@ export function warnForInsertedHydratedText(
     }
     didWarnInvalidHydration = true;
     warningWithoutStack(
-      false,
       'Expected server HTML to contain a matching text node for "%s" in <%s>.',
       text,
       parentNode.nodeName.toLowerCase(),

packages/react-dom/src/client/ReactDOMInput.js

@@ -80,7 +80,6 @@ export function initWrapperState(element: Element, props: Object) {
       !didWarnCheckedDefaultChecked
     ) {
       warning(
-        false,
         '%s contains an input of type %s with both checked and defaultChecked props. ' +
           'Input elements must be either controlled or uncontrolled ' +
           '(specify either the checked prop, or the defaultChecked prop, but not ' +
@@ -98,7 +97,6 @@ export function initWrapperState(element: Element, props: Object) {
       !didWarnValueDefaultValue
     ) {
       warning(
-        false,
         '%s contains an input of type %s with both value and defaultValue props. ' +
           'Input elements must be either controlled or uncontrolled ' +
           '(specify either the value prop, or the defaultValue prop, but not ' +
@@ -144,7 +142,6 @@ export function updateWrapper(element: Element, props: Object) {
       !didWarnUncontrolledToControlled
     ) {
       warning(
-        false,
         'A component is changing an uncontrolled input of type %s to be controlled. ' +
           'Input elements should not switch from uncontrolled to controlled (or vice versa). ' +
           'Decide between using a controlled or uncontrolled input ' +
@@ -159,7 +156,6 @@ export function updateWrapper(element: Element, props: Object) {
       !didWarnControlledToUncontrolled
     ) {
       warning(
-        false,
         'A component is changing a controlled input of type %s to be uncontrolled. ' +
           'Input elements should not switch from controlled to uncontrolled (or vice versa). ' +
           'Decide between using a controlled or uncontrolled input ' +