Add checkPropTypes definition to @types/prop-types

I used the jsdoc as guide in
https://github.com/facebook/prop-types/blob/master/checkPropTypes.js

types/prop-types/index.d.ts

@@ -28,3 +28,15 @@ export function oneOfType(types: Array<Validator<any>>): Requireable<any>;
 export function arrayOf(type: Validator<any>): Requireable<any>;
 export function objectOf(type: Validator<any>): Requireable<any>;
 export function shape(type: ValidationMap<any>): Requireable<any>;
+
+/**
+ * Assert that the values match with the type specs.
+ * Error messages are memorized and will only be shown once.
+ *
+ * @param typeSpecs Map of name to a ReactPropType
+ * @param values Runtime values that need to be type-checked
+ * @param location e.g. "prop", "context", "child context"
+ * @param componentName Name of the component for error messages.
+ * @param getStack Returns the component stack.
+ */
+export function checkPropTypes(typeSpecs: any, values: any, location: string, componentName: string, getStack?: () => any): void;

types/prop-types/prop-types-tests.ts

@@ -25,3 +25,5 @@ const propTypes: PropTypes.ValidationMap<Props> = {
     node: PropTypes.node.isRequired,
     element: PropTypes.element.isRequired
 };
+
+PropTypes.checkPropTypes({xs: PropTypes.array}, {xs: []}, 'location', 'componentName');