Add another comment to PureComponent example

gaearon · web-flow · commit 6ec35c784ae5 · 2018-06-06T00:05:16.000+01:00
diff --git a/content/blog/2018-06-07-when-to-use-derived-state.md b/content/blog/2018-06-07-when-to-use-derived-state.md
@@ -322,6 +322,8 @@ class Example extends PureComponent {
   };
 
   render() {
+    // The render method on this PureComponent is not called unless either
+    // props.list or state.filterText have referentially different values.
     const filteredList = this.props.list.filter(
       item => item.text.includes(this.state.filterText)
     )

Original file line number	Diff line number	Diff line change
`@@ -322,6 +322,8 @@ class Example extends PureComponent {`
`322`	`322`	`};`
`323`	`323`
`324`	`324`	`render() {`
	`325`	`+ // The render method on this PureComponent is not called unless either`
	`326`	`+ // props.list or state.filterText have referentially different values.`
`325`	`327`	`const filteredList = this.props.list.filter(`
`326`	`328`	`item => item.text.includes(this.state.filterText)`
`327`	`329`	`)`