Remove fbjs dependency

Author: gaearon

checkPropTypes.js

@@ -7,11 +7,24 @@
 
 'use strict';
 
+var printWarning = function() {};
+
 if (process.env.NODE_ENV !== 'production') {
-  var invariant = require('fbjs/lib/invariant');
-  var warning = require('fbjs/lib/warning');
   var ReactPropTypesSecret = require('./lib/ReactPropTypesSecret');
   var loggedTypeFailures = {};
+
+  printWarning = function(text) {
+    var message = 'Warning: ' + text;
+    if (typeof console !== 'undefined') {
+      console.error(message);
+    }
+    try {
+      // --- Welcome to debugging React ---
+      // This error was thrown as a convenience so that you can use this stack
+      // to find the callsite that caused this warning to fire.
+      throw new Error(message);
+    } catch (x) {}
+  };
 }
 
 /**
@@ -36,20 +49,37 @@ function checkPropTypes(typeSpecs, values, location, componentName, getStack) {
         try {
           // This is intentionally an invariant that gets caught. It's the same
           // behavior as without this statement except with a better message.
-          invariant(typeof typeSpecs[typeSpecName] === 'function', '%s: %s type `%s` is invalid; it must be a function, usually from ' + 'the `prop-types` package, but received `%s`.', componentName || 'React class', location, typeSpecName, typeof typeSpecs[typeSpecName]);
+          if (typeof typeSpecs[typeSpecName] !== 'function') {
+            throw new Error(
+              (componentName || 'React class') + ': ' + location + ' type `' + typeSpecName + '` is invalid; ' +
+              'it must be a function, usually from the `prop-types` package, but received `' + typeof typeSpecs[typeSpecName] + '`.'
+            );
+          }
           error = typeSpecs[typeSpecName](values, typeSpecName, componentName, location, null, ReactPropTypesSecret);
         } catch (ex) {
           error = ex;
         }
-        warning(!error || error instanceof Error, '%s: type specification of %s `%s` is invalid; the type checker ' + 'function must return `null` or an `Error` but returned a %s. ' + 'You may have forgotten to pass an argument to the type checker ' + 'creator (arrayOf, instanceOf, objectOf, oneOf, oneOfType, and ' + 'shape all require an argument).', componentName || 'React class', location, typeSpecName, typeof error);
+        if (error && !(error instanceof Error)) {
+          printWarning(
+            (componentName || 'React class') + ': type specification of ' +
+            location + ' `' + typeSpecName + '` is invalid; the type checker ' +
+            'function must return `null` or an `Error` but returned a ' + typeof error + '. ' +
+            'You may have forgotten to pass an argument to the type checker ' +
+            'creator (arrayOf, instanceOf, objectOf, oneOf, oneOfType, and ' +
+            'shape all require an argument).'
+          )
+
+        }
         if (error instanceof Error && !(error.message in loggedTypeFailures)) {
           // Only monitor this failure once because there tends to be a lot of the
           // same error.
           loggedTypeFailures[error.message] = true;
 
           var stack = getStack ? getStack() : '';
 
-          warning(false, 'Failed %s type: %s%s', location, error.message, stack != null ? stack : '');
+          printWarning(
+            'Failed ' + location + ' type: ' + error.message + (stack != null ? stack : '')
+          );
         }
       }
     }

factoryWithThrowingShims.js

@@ -7,18 +7,17 @@
 
 'use strict';
 
-var emptyFunction = require('fbjs/lib/emptyFunction');
-var invariant = require('fbjs/lib/invariant');
 var ReactPropTypesSecret = require('./lib/ReactPropTypesSecret');
 
+function emptyFunction() {}
+
 module.exports = function() {
   function shim(props, propName, componentName, location, propFullName, secret) {
     if (secret === ReactPropTypesSecret) {
       // It is still safe when called from React.
       return;
     }
-    invariant(
-      false,
+    throw new Error(
       'Calling PropTypes validators directly is not supported by the `prop-types` package. ' +
       'Use PropTypes.checkPropTypes() to call them. ' +
       'Read more at http://fb.me/use-check-prop-types'

factoryWithTypeCheckers.js

@@ -7,14 +7,32 @@
 
 'use strict';
 
-var emptyFunction = require('fbjs/lib/emptyFunction');
-var invariant = require('fbjs/lib/invariant');
-var warning = require('fbjs/lib/warning');
 var assign = require('object-assign');
 
 var ReactPropTypesSecret = require('./lib/ReactPropTypesSecret');
 var checkPropTypes = require('./checkPropTypes');
 
+var printWarning = function() {};
+
+if (process.env.NODE_ENV !== 'production') {
+  printWarning = function(text) {
+    var message = 'Warning: ' + text;
+    if (typeof console !== 'undefined') {
+      console.error(message);
+    }
+    try {
+      // --- Welcome to debugging React ---
+      // This error was thrown as a convenience so that you can use this stack
+      // to find the callsite that caused this warning to fire.
+      throw new Error(message);
+    } catch (x) {}
+  };
+}
+
+function emptyFunctionThatReturnsNull() {
+  return null;
+}
+
 module.exports = function(isValidElement, throwOnDirectAccess) {
   /* global Symbol */
   var ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator;
@@ -157,8 +175,7 @@ module.exports = function(isValidElement, throwOnDirectAccess) {
       if (secret !== ReactPropTypesSecret) {
         if (throwOnDirectAccess) {
           // New behavior only for users of `prop-types` package
-          invariant(
-            false,
+          throw new Error(
             'Calling PropTypes validators directly is not supported by the `prop-types` package. ' +
             'Use `PropTypes.checkPropTypes()` to call them. ' +
             'Read more at http://fb.me/use-check-prop-types'
@@ -171,15 +188,12 @@ module.exports = function(isValidElement, throwOnDirectAccess) {
             // Avoid spamming the console because they are often not actionable except for lib authors
             manualPropTypeWarningCount < 3
           ) {
-            warning(
-              false,
+            printWarning(
               'You are manually calling a React.PropTypes validation ' +
-              'function for the `%s` prop on `%s`. This is deprecated ' +
+              'function for the `' + propFullName + '` prop on `' + componentName  + '`. This is deprecated ' +
               'and will throw in the standalone `prop-types` package. ' +
               'You may be seeing this warning due to a third-party PropTypes ' +
-              'library. See https://fb.me/react-warning-dont-call-proptypes ' + 'for details.',
-              propFullName,
-              componentName
+              'library. See https://fb.me/react-warning-dont-call-proptypes ' + 'for details.'
             );
             manualPropTypeCallCache[cacheKey] = true;
             manualPropTypeWarningCount++;
@@ -223,7 +237,7 @@ module.exports = function(isValidElement, throwOnDirectAccess) {
   }
 
   function createAnyTypeChecker() {
-    return createChainableTypeChecker(emptyFunction.thatReturnsNull);
+    return createChainableTypeChecker(emptyFunctionThatReturnsNull);
   }
 
   function createArrayOfTypeChecker(typeChecker) {
@@ -273,8 +287,8 @@ module.exports = function(isValidElement, throwOnDirectAccess) {
 
   function createEnumTypeChecker(expectedValues) {
     if (!Array.isArray(expectedValues)) {
-      process.env.NODE_ENV !== 'production' ? warning(false, 'Invalid argument supplied to oneOf, expected an instance of array.') : void 0;
-      return emptyFunction.thatReturnsNull;
+      process.env.NODE_ENV !== 'production' ? printWarning('Invalid argument supplied to oneOf, expected an instance of array.') : void 0;
+      return emptyFunctionThatReturnsNull;
     }
 
     function validate(props, propName, componentName, location, propFullName) {
@@ -316,21 +330,18 @@ module.exports = function(isValidElement, throwOnDirectAccess) {
 
   function createUnionTypeChecker(arrayOfTypeCheckers) {
     if (!Array.isArray(arrayOfTypeCheckers)) {
-      process.env.NODE_ENV !== 'production' ? warning(false, 'Invalid argument supplied to oneOfType, expected an instance of array.') : void 0;
-      return emptyFunction.thatReturnsNull;
+      process.env.NODE_ENV !== 'production' ? printWarning('Invalid argument supplied to oneOfType, expected an instance of array.') : void 0;
+      return emptyFunctionThatReturnsNull;
     }
 
     for (var i = 0; i < arrayOfTypeCheckers.length; i++) {
       var checker = arrayOfTypeCheckers[i];
       if (typeof checker !== 'function') {
-        warning(
-          false,
+        printWarning(
           'Invalid argument supplied to oneOfType. Expected an array of check functions, but ' +
-          'received %s at index %s.',
-          getPostfixForTypeWarning(checker),
-          i
+          'received ' + getPostfixForTypeWarning(checker) + ' at index ' + i + '.'
         );
-        return emptyFunction.thatReturnsNull;
+        return emptyFunctionThatReturnsNull;
       }
     }
 

package.json

@@ -25,7 +25,6 @@
   },
   "homepage": "https://facebook.github.io/react/",
   "dependencies": {
-    "fbjs": "^0.8.16",
     "loose-envify": "^1.3.1",
     "object-assign": "^4.1.1"
   },

yarn.lock

@@ -1049,18 +1049,6 @@ fb-watchman@^2.0.0:
   dependencies:
     bser "^2.0.0"
 
-fbjs@^0.8.16:
-  version "0.8.16"
-  resolved "https://registry.yarnpkg.com/fbjs/-/fbjs-0.8.16.tgz#5e67432f550dc41b572bf55847b8aca64e5337db"
-  dependencies:
-    core-js "^1.0.0"
-    isomorphic-fetch "^2.1.1"
-    loose-envify "^1.0.0"
-    object-assign "^4.1.0"
-    promise "^7.1.1"
-    setimmediate "^1.0.5"
-    ua-parser-js "^0.7.9"
-
 fbjs@^0.8.9:
   version "0.8.12"
   resolved "https://registry.yarnpkg.com/fbjs/-/fbjs-0.8.12.tgz#10b5d92f76d45575fd63a217d4ea02bea2f8ed04"