docs(TableExampleSortable): your description (#3964)

* docs(TableExampleSortable): your description

Updated for react hooks

* Update TableExampleSortable.js

Co-authored-by: Oleksandr Fediashov <[email protected]>

Author: Eddy Varela

docs/src/examples/collections/Table/Variations/TableExampleSortable.js

@@ -1,5 +1,5 @@
 import _ from 'lodash'
-import React, { Component } from 'react'
+import React from 'react'
 import { Table } from 'semantic-ui-react'
 
 const tableData = [
@@ -9,69 +9,71 @@ const tableData = [
   { name: 'Ben', age: 70, gender: 'Male' },
 ]
 
-export default class TableExampleSortable extends Component {
-  state = {
-    column: null,
-    data: tableData,
-    direction: null,
-  }
+function exampleReducer(state, action) {
+  switch (action.type) {
+    case 'CHANGE_SORT':
+      if (state.column === action.column) {
+        return {
+          ...state,
+          data: state.data.reverse(),
+          direction:
+            state.direction === 'ascending' ? 'descending' : 'ascending',
+        }
+      }
 
-  handleSort = (clickedColumn) => () => {
-    const { column, data, direction } = this.state
-
-    if (column !== clickedColumn) {
-      this.setState({
-        column: clickedColumn,
-        data: _.sortBy(data, [clickedColumn]),
+      return {
+        column: action.column,
+        data: _.sortBy(state.data, [action.column]),
         direction: 'ascending',
-      })
-
-      return
-    }
-
-    this.setState({
-      data: data.reverse(),
-      direction: direction === 'ascending' ? 'descending' : 'ascending',
-    })
+      }
+    default:
+      throw new Error()
   }
+}
 
-  render() {
-    const { column, data, direction } = this.state
+function TableExampleSortable() {
+  const [state, dispatch] = React.useReducer(exampleReducer, {
+    column: null,
+    data: tableData,
+    direction: null,
+  })
+  const { column, data, direction } = state
 
-    return (
-      <Table sortable celled fixed>
-        <Table.Header>
-          <Table.Row>
-            <Table.HeaderCell
-              sorted={column === 'name' ? direction : null}
-              onClick={this.handleSort('name')}
-            >
-              Name
-            </Table.HeaderCell>
-            <Table.HeaderCell
-              sorted={column === 'age' ? direction : null}
-              onClick={this.handleSort('age')}
-            >
-              Age
-            </Table.HeaderCell>
-            <Table.HeaderCell
-              sorted={column === 'gender' ? direction : null}
-              onClick={this.handleSort('gender')}
-            >
-              Gender
-            </Table.HeaderCell>
+  return (
+    <Table sortable celled fixed>
+      <Table.Header>
+        <Table.Row>
+          <Table.HeaderCell
+            sorted={column === 'name' ? direction : null}
+            onClick={() => dispatch({ type: 'CHANGE_SORT', column: 'name' })}
+          >
+            Name
+          </Table.HeaderCell>
+          <Table.HeaderCell
+            sorted={column === 'age' ? direction : null}
+            onClick={() => dispatch({ type: 'CHANGE_SORT', column: 'age' })}
+          >
+            Age
+          </Table.HeaderCell>
+          <Table.HeaderCell
+            sorted={column === 'gender' ? direction : null}
+            onClick={() => dispatch({ type: 'CHANGE_SORT', column: 'gender' })}
+          >
+            Gender
+          </Table.HeaderCell>
+        </Table.Row>
+      </Table.Header>
+      <Table.Body>
+        {data.map(({ age, gender, name }) => (
+          <Table.Row key={name}>
+            <Table.Cell>{name}</Table.Cell>
+            <Table.Cell>{age}</Table.Cell>
+            <Table.Cell>{gender}</Table.Cell>
           </Table.Row>
-        </Table.Header>
-        <Table.Body>
-          {_.map(data, ({ age, gender, name }) => (
-            <Table.Row key={name}>
-              <Table.Cell>{name}</Table.Cell>
-              <Table.Cell>{age}</Table.Cell>
-              <Table.Cell>{gender}</Table.Cell>
-            </Table.Row>
-          ))}
-        </Table.Body>
-      </Table>
-    )
-  }
+        ))}
+      </Table.Body>
+    </Table>
+  )
 }
+
+export default TableExampleSortable