[react-packager][streamline oss] Move open sourced JS source to react-native-github

Libraries/Utilities/createStrictShapeTypeChecker.js

@@ -0,0 +1,64 @@
+/**
+ * Copyright 2004-present Facebook. All Rights Reserved.
+ *
+ * @providesModule createStrictShapeTypeChecker
+ */
+'use strict';
+
+var ReactPropTypeLocationNames = require('ReactPropTypeLocationNames');
+
+var invariant = require('invariant');
+var merge = require('merge');
+
+function createStrictShapeTypeChecker(shapeTypes) {
+  function checkType(isRequired, props, propName, componentName, location) {
+    if (!props[propName]) {
+      if (isRequired) {
+        invariant(
+          false,
+          `Required object \`${propName}\` was not specified in `+
+          `\`${componentName}\`.`
+        );
+      }
+      return;
+    }
+    var propValue = props[propName];
+    var propType = typeof propValue;
+    var locationName = ReactPropTypeLocationNames[location];
+    if (propType !== 'object') {
+      invariant(
+        false,
+        `Invalid ${locationName} \`${propName}\` of type \`${propType}\` ` +
+          `supplied to \`${componentName}\`, expected \`object\`.`
+      );
+    }
+    // We need to check all keys in case some are required but missing from
+    // props.
+    var allKeys = merge(props[propName], shapeTypes);
+    for (var key in allKeys) {
+      var checker = shapeTypes[key];
+      if (!checker) {
+        invariant(
+          false,
+          `Invalid props.${propName} key \`${key}\` supplied to \`${componentName}\`.` +
+            `\nBad object: ` + JSON.stringify(props[propName], null, '  ') +
+            `\nValid keys: ` + JSON.stringify(Object.keys(shapeTypes), null, '  ')
+        );
+      }
+      var error = checker(propValue, key, componentName, location);
+      if (error) {
+        invariant(
+          false,
+          error.message +
+            `\nBad object: ` + JSON.stringify(props[propName], null, '  ')
+        );
+        return error;
+      }
+    }
+  }
+  var chainedCheckType = checkType.bind(null, false);
+  chainedCheckType.isRequired = checkType.bind(null, true);
+  return chainedCheckType;
+}
+
+module.exports = createStrictShapeTypeChecker;