Replace Components with PureComponents for performance boost.

Author: Luehang

src/ImageCell/CustomImageUnit.js

@@ -1,7 +1,7 @@
-import { Component } from "react";
+import { PureComponent } from "react";
 import PropTypes from "prop-types";
 
-export default class CustomImageUnit extends Component {
+export default class CustomImageUnit extends PureComponent {
 	static propTypes = {
 		data: PropTypes.object.isRequired,
 		source: PropTypes.any.isRequired,

src/ImageCell/ImageComponent.js

@@ -1,11 +1,11 @@
-import React, { Component } from "react";
+import React, { PureComponent } from "react";
 import {
 	Image
 } from "react-native";
 import PropTypes from "prop-types";
 import Injector from "./Injector";
 
-export default class ImageComponent extends Component {
+export default class ImageComponent extends PureComponent {
 	static propTypes = {
 		width: PropTypes.number.isRequired,
 		height: PropTypes.number.isRequired,

src/ImageCell/Injector.js

@@ -1,7 +1,7 @@
-import React, { Component } from "react";
+import React, { PureComponent } from "react";
 import PropTypes from "prop-types";
 
-export default class Injector extends Component {
+export default class Injector extends PureComponent {
 	static propTypes = {
 		defaultComponent: PropTypes.func,
 		defaultProps: PropTypes.object,

src/ImageCell/TouchableImageComponent.js

@@ -1,11 +1,11 @@
-import React, { Component } from "react";
+import React, { PureComponent } from "react";
 import {
 	TouchableOpacity
 } from "react-native";
 import PropTypes from "prop-types";
 import ImageComponent from "./ImageComponent";
 
-export default class TouchableImageComponent extends Component {
+export default class TouchableImageComponent extends PureComponent {
 	static propTypes = {
 		data: PropTypes.object.isRequired,
 		source: PropTypes.any.isRequired,

src/ImageCell/index.js

@@ -1,4 +1,4 @@
-import React, { Component } from "react";
+import React, { PureComponent } from "react";
 import {
 	View
 } from "react-native";
@@ -7,7 +7,7 @@ import ImageComponent from "./ImageComponent";
 import TouchableImageComponent from "./TouchableImageComponent";
 import CustomImageUnit from "./CustomImageUnit";
 
-export default class ImageCell extends Component {
+export default class ImageCell extends PureComponent {
 	static propTypes = {
 		data: PropTypes.object.isRequired,
 		source: PropTypes.any.isRequired,