chore(content-explorer): Migrate Content (#3825)

Author: greg-in-a-box

src/elements/common/empty-state/EmptyState.js renamed to src/elements/common/empty-state/EmptyState.js.flow

@@ -1,9 +1,3 @@
-/**
- * @flow
- * @file Empty state component
- * @author Box
- */
-
 import * as React from 'react';
 import { FormattedMessage } from 'react-intl';
 import ErrorEmptyState from '../../../icons/states/ErrorEmptyState';
@@ -18,10 +12,13 @@ import './EmptyState.scss';
 
 type Props = {
     isLoading: boolean,
-    view: View,
+    view: View
 };
 
-const EmptyState = ({ view, isLoading }: Props) => {
+const EmptyState = ({
+    view,
+    isLoading,
+}: Props) => {
     let type;
     const message =
         isLoading && (view === VIEW_FOLDER || view === VIEW_METADATA) ? (

src/elements/common/empty-state/EmptyState.scss

@@ -5,4 +5,10 @@
     align-items: center;
     justify-content: center;
     text-align: center;
+
+    svg {
+        width: 130px;
+        height: 130px;
+        margin-bottom: 10px;
+    }
 }

src/elements/common/empty-state/EmptyState.tsx

@@ -0,0 +1,48 @@
+import * as React from 'react';
+import { FormattedMessage } from 'react-intl';
+import { Files, FolderFloat, HatWand, OpenBook } from '@box/blueprint-web-assets/illustrations/Medium';
+
+import messages from '../messages';
+import { VIEW_ERROR, VIEW_FOLDER, VIEW_METADATA, VIEW_SEARCH, VIEW_SELECTED } from '../../../constants';
+import type { View } from '../../../common/types/core';
+
+import './EmptyState.scss';
+
+export interface EmptyStateProps {
+    isLoading: boolean;
+    view: View;
+}
+
+const EmptyState = ({ view, isLoading }: EmptyStateProps) => {
+    let type;
+    const message =
+        isLoading && (view === VIEW_FOLDER || view === VIEW_METADATA) ? (
+            <FormattedMessage {...messages.loadingState} />
+        ) : (
+            <FormattedMessage {...messages[`${view}State`]} />
+        );
+
+    switch (view) {
+        case VIEW_ERROR:
+            type = <HatWand />;
+            break;
+        case VIEW_SELECTED:
+            type = <Files />;
+            break;
+        case VIEW_SEARCH:
+            type = <OpenBook />;
+            break;
+        default:
+            type = <FolderFloat />;
+            break;
+    }
+
+    return (
+        <div className="be-empty">
+            {type}
+            <div>{message}</div>
+        </div>
+    );
+};
+
+export default EmptyState;

src/elements/common/empty-state/index.js.flow

@@ -0,0 +1 @@
+export {default} from './EmptyState';

src/elements/common/empty-state/index.js renamed to src/elements/common/empty-state/index.ts

@@ -1,2 +1 @@
-// @flow
 export { default } from './EmptyState';

src/elements/common/progress-bar/ProgressBar.js renamed to src/elements/common/progress-bar/ProgressBar.js.flow

@@ -1,28 +1,22 @@
-/**
- * @flow
- * @file Progress Bar component
- * @author Box
- */
-
-import React, { PureComponent } from 'react';
+import React, {PureComponent} from 'react';
 import './ProgressBar.scss';
 
 type Props = {
-    percent: number,
+    percent: number
 };
 
 type State = {
-    percent: number,
+    percent: number
 };
 
 class ProgressBar extends PureComponent<Props, State> {
     props: Props;
 
     state: State;
 
-    timeout: TimeoutID;
+    timeout: number;
 
-    interval: IntervalID;
+    interval: number;
 
     static defaultProps = { percent: 0 };
 
@@ -33,7 +27,9 @@ class ProgressBar extends PureComponent<Props, State> {
      */
     constructor(props: Props) {
         super(props);
-        const { percent }: State = props;
+        const {
+            percent,
+        }: State = props;
         this.state = { percent };
     }
 
@@ -61,7 +57,9 @@ class ProgressBar extends PureComponent<Props, State> {
      * @return {void}
      */
     componentDidUpdate(prevProps: Props): void {
-        const { percent }: Props = this.props;
+        const {
+            percent,
+        }: Props = this.props;
 
         if (prevProps.percent !== percent) {
             this.clearTimeoutAndInterval();
@@ -85,7 +83,9 @@ class ProgressBar extends PureComponent<Props, State> {
      * @return {void}
      */
     startProgress = () => {
-        const { percent }: State = this.state;
+        const {
+            percent,
+        }: State = this.state;
         if (percent === 0) {
             this.interval = setInterval(this.incrementProgress, 100);
         } else if (percent === 100) {
@@ -121,7 +121,9 @@ class ProgressBar extends PureComponent<Props, State> {
      * @return {void}
      */
     render() {
-        const { percent }: State = this.state;
+        const {
+            percent,
+        }: State = this.state;
         const containerStyle = {
             opacity: percent > 0 && percent < 100 ? 1 : 0,
             transitionDelay: percent > 0 && percent < 100 ? '0' : '0.4s',

src/elements/common/progress-bar/ProgressBar.tsx

@@ -0,0 +1,67 @@
+import React, { useCallback, useEffect, useState, useRef } from 'react';
+import './ProgressBar.scss';
+
+export interface ProgressBarProps {
+    percent: number;
+}
+
+const ProgressBar = ({ percent: initialPercent = 0 }: ProgressBarProps) => {
+    const [percent, setPercent] = useState(initialPercent);
+    const intervalRef = useRef<number | null>(null);
+    const timeoutRef = useRef<number | null>(null);
+
+    const clearTimeoutAndInterval = () => {
+        if (intervalRef.current) {
+            clearInterval(intervalRef.current);
+        }
+        if (timeoutRef.current) {
+            clearTimeout(timeoutRef.current);
+        }
+    };
+
+    const incrementProgress = () => {
+        setPercent(prevPercent => {
+            const newPercent = Math.min(prevPercent + 2 / (prevPercent || 1), 100);
+            if (newPercent === 100) {
+                clearTimeoutAndInterval();
+            }
+            0;
+            return newPercent;
+        });
+    };
+
+    const resetProgress = () => {
+        setPercent(0);
+    };
+
+    const startProgress = useCallback(() => {
+        if (percent === 0) {
+            intervalRef.current = window.setInterval(incrementProgress, 100);
+        } else if (percent === 100) {
+            timeoutRef.current = window.setTimeout(resetProgress, 600);
+        }
+        // eslint-disable-next-line react-hooks/exhaustive-deps
+    }, []);
+
+    useEffect(() => {
+        startProgress();
+        return () => clearTimeoutAndInterval();
+    }, [percent, startProgress]);
+
+    useEffect(() => {
+        setPercent(initialPercent);
+    }, [initialPercent]);
+
+    const containerStyle = {
+        opacity: percent > 0 && percent < 100 ? 1 : 0,
+        transitionDelay: percent > 0 && percent < 100 ? '0' : '0.4s',
+    } as const;
+
+    return (
+        <div className="be-progress-container" style={containerStyle}>
+            <div className="be-progress" role="progressbar" style={{ width: `${percent}%` }} />
+        </div>
+    );
+};
+
+export default ProgressBar;

src/elements/common/progress-bar/__tests__/ProgressBar.test.js

@@ -0,0 +1,32 @@
+import * as React from 'react';
+import { act, render, screen } from '../../../../test-utils/testing-library';
+import ProgressBar from '../ProgressBar';
+
+describe('ProgressBar', () => {
+    test('renders with initial percent', () => {
+        render(<ProgressBar percent={20} />);
+        const progressBar = screen.getByRole('progressbar');
+        expect(progressBar).toHaveStyle({ width: '20%' });
+    });
+
+    test('updates percent when props change', () => {
+        const { rerender } = render(<ProgressBar percent={20} />);
+        rerender(<ProgressBar percent={30} />);
+        const progressBar = screen.getByRole('progressbar');
+        expect(progressBar).toHaveStyle({ width: '30%' });
+    });
+
+    test('resets percent to 0 after reaching 100%', async () => {
+        jest.useFakeTimers();
+        render(<ProgressBar percent={0} />);
+
+        act(() => {
+            jest.advanceTimersByTime(250000); // yes it has to be at least 250000ms, any less it will not hit 100%
+        });
+
+        const progressBar = await screen.getByRole('progressbar');
+        expect(progressBar).toHaveStyle({ width: '100%' });
+
+        jest.useRealTimers();
+    });
+});

src/elements/common/progress-bar/__tests__/ProgressBar.test.tsx

@@ -0,0 +1 @@
+export {default} from './ProgressBar';