use UNSAFE version of deprecated methods to be compatible with React 17

Author: ptolemybarnes

src/Geosuggest.tsx

@@ -117,7 +117,7 @@ export default class extends React.Component<IProps, IState> {
   /**
    * Change inputValue if prop changes
    */
-  componentWillReceiveProps(props: IProps) {
+  UNSAFE_componentWillReceiveProps(props: IProps) {
     if (this.props.initialValue !== props.initialValue) {
       this.setState({userInput: props.initialValue || ''});
     }
@@ -128,7 +128,7 @@ export default class extends React.Component<IProps, IState> {
    * Google api sdk object will be obtained and cached as a instance property.
    * Necessary objects of google api will also be determined and saved.
    */
-  componentWillMount() {
+  UNSAFE_componentWillMount() {
     if (typeof window === 'undefined') {
       return;
     }

src/suggest-item.tsx

@@ -84,7 +84,7 @@ export default class extends React.PureComponent<IProps, {}> {
   /**
    * Checking if item just became active and scrolling if needed.
    */
-  componentWillReceiveProps(nextProps: IProps): void {
+  UNSAFE_componentWillReceiveProps(nextProps: IProps): void {
     if (nextProps.isActive && !this.props.isActive) {
       this.scrollIfNeeded();
     }

src/suggest-list.tsx

@@ -42,7 +42,7 @@ export default class extends React.PureComponent<IProps, {}> {
   /**
    * There are new properties available for the list
    */
-  componentWillReceiveProps(nextProps: IProps) {
+  UNSAFE_componentWillReceiveProps(nextProps: IProps) {
     if (nextProps.suggests !== this.props.suggests) {
       if (nextProps.suggests.length === 0) {
         this.props.onSuggestNoResults();