convert components in common and ContentView folder into typescript, and modified test

web/src/js/__tests__/components/ContentView/ContentViewSpec.js

@@ -19,16 +19,12 @@ describe('ViewImage Component', () => {
 })
 
 describe('ViewServer Component', () => {
-    let store = TStore(),
-    setContentViewDescFn = jest.fn(),
-    setContentFn = jest.fn()
+    let store = TStore()
 
     it('should render correctly and connect to state', () => {
         let provider = renderer.create(
             <Provider store={store}>
                 <ViewServer
-                    setContentViewDescription={setContentViewDescFn}
-                    setContent={setContentFn}
                     flow={tflow}
                     message={tflow.response}
                 />
@@ -37,38 +33,17 @@ describe('ViewServer Component', () => {
         expect(tree).toMatchSnapshot()
 
         let viewServer = renderer.create(
-            <PureViewServer
-                showFullContent={true}
-                maxLines={10}
-                setContentViewDescription={setContentViewDescFn}
-                setContent={setContentViewDescFn}
-                flow={tflow}
-                message={tflow.response}
-                content={JSON.stringify({lines: [['k1', 'v1']]})}
-            />
+            <Provider store={store}>
+                <PureViewServer
+                    flow={tflow}
+                    message={tflow.response}
+                    content={JSON.stringify({lines: [['k1', 'v1']]})}
+                />
+            </Provider>
         )
         tree = viewServer.toJSON()
         expect(tree).toMatchSnapshot()
     })
-
-    it('should handle componentWillReceiveProps', () => {
-        // case of fail to parse content
-        let viewServer = TestUtils.renderIntoDocument(
-            <PureViewServer
-                showFullContent={true}
-                maxLines={10}
-                setContentViewDescription={setContentViewDescFn}
-                setContent={setContentViewDescFn}
-                flow={tflow}
-                message={tflow.response}
-                content={JSON.stringify({lines: [['k1', 'v1']]})}
-            />
-        )
-        viewServer.UNSAFE_componentWillReceiveProps({...viewServer.props, content: '{foo' })
-        let e = ''
-        try {JSON.parse('{foo') } catch(err){ e = err.message}
-        expect(viewServer.data).toEqual({ description: e, lines: [] })
-    })
 })
 
 describe('Edit Component', () => {

web/src/js/__tests__/components/ContentView/ShowFullContentButtonSpec.js

@@ -1,39 +1,22 @@
 import React from 'react'
 import renderer from 'react-test-renderer'
 import { Provider } from 'react-redux'
-import ConnectedComponent, { ShowFullContentButton } from '../../../components/ContentView/ShowFullContentButton'
+import ShowFullContentButton  from '../../../components/ContentView/ShowFullContentButton'
 import { TStore } from '../../ducks/tutils'
 
 
 describe('ShowFullContentButton Component', () => {
+    let store = TStore()
+
     let setShowFullContentFn = jest.fn(),
         showFullContentButton = renderer.create(
-            <ShowFullContentButton
-                setShowFullContent={setShowFullContentFn}
-                showFullContent={false}
-                visibleLines={10}
-                contentLines={20}
-            />
+            <Provider store={store}>
+                <ShowFullContentButton />
+            </Provider>
         ),
         tree = showFullContentButton.toJSON()
 
     it('should render correctly', () => {
         expect(tree).toMatchSnapshot()
     })
-
-    it('should handle click', () => {
-        tree.children[0].props.onClick()
-        expect(setShowFullContentFn).toBeCalled()
-    })
-
-    it('should connect to state', () => {
-        let store = TStore(),
-            provider = renderer.create(
-                <Provider store={store}>
-                    <ConnectedComponent/>
-                </Provider>
-            ),
-            tree = provider.toJSON()
-        expect(tree).toMatchSnapshot()
-    })
 })

web/src/js/__tests__/components/ContentView/__snapshots__/ContentViewOptionsSpec.js.snap

@@ -4,23 +4,12 @@ exports[`ContentViewOptions Component should render correctly 1`] = `
 <div
   className="view-options"
 >
-  <a
-    className="btn btn-default btn-xs pull-left"
-    href="#"
-    onClick={[Function]}
-  >
-    <span>
-      <b>
-        View:
-      </b>
-       
-      auto
-       
-      <span
-        className="caret"
-      />
-    </span>
-  </a>
+  <span>
+    <b>
+      View:
+    </b>
+     edit
+  </span>
    
   <a
     className="btn btn-default btn-xs"
@@ -32,9 +21,21 @@ exports[`ContentViewOptions Component should render correctly 1`] = `
     />
   </a>
    
+  <a
+    className="btn btn-default btn-xs"
+    href="#"
+    onClick={[Function]}
+    title="Upload a file to replace the content."
+  >
+    <i
+      className="fa fa-fw fa-upload"
+    />
+    <input
+      className="hidden"
+      onChange={[Function]}
+      type="file"
+    />
+  </a>
    
-  <span>
-    foo
-  </span>
 </div>
 `;

web/src/js/__tests__/components/ContentView/__snapshots__/ContentViewSpec.js.snap

@@ -34,19 +34,6 @@ exports[`ViewServer Component should render correctly and connect to state 1`] =
 
 exports[`ViewServer Component should render correctly and connect to state 2`] = `
 <div>
-  <pre>
-    <div>
-      <span
-        className="k"
-      >
-        1
-      </span>
-      <span
-        className="v"
-      >
-        1
-      </span>
-    </div>
-  </pre>
+  <pre />
 </div>
 `;

web/src/js/__tests__/components/ContentView/__snapshots__/ShowFullContentButtonSpec.js.snap

@@ -1,23 +1,3 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`ShowFullContentButton Component should connect to state 1`] = `null`;
-
-exports[`ShowFullContentButton Component should render correctly 1`] = `
-<div>
-  <button
-    className="view-all-content-btn btn-xs btn btn-default"
-    onClick={[Function]}
-  >
-    Show full content
-  </button>
-  <span
-    className="pull-right"
-  >
-     
-    10
-    /
-    20
-     are visible   
-  </span>
-</div>
-`;
+exports[`ShowFullContentButton Component should render correctly 1`] = `null`;

web/src/js/__tests__/components/FlowView/MessagesSpec.js

@@ -71,9 +71,7 @@ describe('Request Component', () => {
     })
 
     it('should handle uploadContent on flow request ContentViewOptions', () => {
-        // The line below shouldn't have .type, this is a workaround for https://github.com/facebook/react/issues/17301.
-        // If this test breaks, just remove it.
-        let contentViewOptions = provider.root.findByType(ContentViewOptions.type)
+        let contentViewOptions = provider.root.findByType(ContentViewOptions)
         contentViewOptions.props.uploadContent('foo')
         expect(fetch).toBeCalled()
         fetch.mockClear()
@@ -132,9 +130,7 @@ describe('Response Component', () => {
     })
 
     it('should handle updateContent on flow response ContentViewOptions', () => {
-        // The line below shouldn't have .type, this is a workaround for https://github.com/facebook/react/issues/17301.
-        // If this test breaks, just remove it.
-        let contentViewOptions = provider.root.findByType(ContentViewOptions.type)
+        let contentViewOptions = provider.root.findByType(ContentViewOptions)
         contentViewOptions.props.uploadContent('foo')
         expect(fetch).toBeCalled()
         fetch.mockClear()

web/src/js/__tests__/components/FlowView/__snapshots__/MessagesSpec.js.snap

@@ -196,23 +196,12 @@ exports[`Request Component should render correctly 1`] = `
     <div
       className="view-options"
     >
-      <a
-        className="btn btn-default btn-xs pull-left"
-        href="#"
-        onClick={[Function]}
-      >
-        <span>
-          <b>
-            View:
-          </b>
-           
-          auto
-           
-          <span
-            className="caret"
-          />
-        </span>
-      </a>
+      <span>
+        <b>
+          View:
+        </b>
+         edit
+      </span>
        
       <a
         className="btn btn-default btn-xs"
@@ -224,10 +213,22 @@ exports[`Request Component should render correctly 1`] = `
         />
       </a>
        
+      <a
+        className="btn btn-default btn-xs"
+        href="#"
+        onClick={[Function]}
+        title="Upload a file to replace the content."
+      >
+        <i
+          className="fa fa-fw fa-upload"
+        />
+        <input
+          className="hidden"
+          onChange={[Function]}
+          type="file"
+        />
+      </a>
        
-      <span>
-        foo
-      </span>
     </div>
   </footer>
 </section>
@@ -456,23 +457,12 @@ exports[`Response Component should render correctly 1`] = `
     <div
       className="view-options"
     >
-      <a
-        className="btn btn-default btn-xs pull-left"
-        href="#"
-        onClick={[Function]}
-      >
-        <span>
-          <b>
-            View:
-          </b>
-           
-          auto
-           
-          <span
-            className="caret"
-          />
-        </span>
-      </a>
+      <span>
+        <b>
+          View:
+        </b>
+         edit
+      </span>
        
       <a
         className="btn btn-default btn-xs"
@@ -484,10 +474,22 @@ exports[`Response Component should render correctly 1`] = `
         />
       </a>
        
+      <a
+        className="btn btn-default btn-xs"
+        href="#"
+        onClick={[Function]}
+        title="Upload a file to replace the content."
+      >
+        <i
+          className="fa fa-fw fa-upload"
+        />
+        <input
+          className="hidden"
+          onChange={[Function]}
+          type="file"
+        />
+      </a>
        
-      <span>
-        foo
-      </span>
     </div>
   </footer>
 </section>

web/src/js/components/CommandBar.tsx

@@ -21,7 +21,7 @@ type ResultProps = {
     results: CommandResult[],
 }
 
-function getAvailableCommands(commands, input: string = "") {
+function getAvailableCommands(commands: object, input: string = "") {
     if (!commands) return []
     let availableCommands: string[] = []
     for (const [command, args] of Object.entries(commands)) {
@@ -37,7 +37,7 @@ export function Results({results}: ResultProps) {
 
     useEffect(() => {
         if (resultElement) {
-            resultElement.current?.addEventListener('DOMNodeInserted', event => {
+            resultElement.current.addEventListener('DOMNodeInserted', event => {
                 const { currentTarget: target } = event;
                 target.scroll({ top: target.scrollHeight, behavior: 'auto' });
             });
@@ -83,7 +83,7 @@ export default function CommandBar() {
     const [completionCandidate, setCompletionCandidate] = useState<string[]>([])
 
     const [availableCommands, setAvailableCommands] = useState<string[]>([])
-    const [allCommands, setAllCommands] = useState({})
+    const [allCommands, setAllCommands] = useState<object>({})
     const [nextArgs, setNextArgs] = useState<string[]>([])
     const [currentArg, setCurrentArg] = useState<number>(0)
     const [signatureHelp, setSignatureHelp] = useState<string>("")

web/src/js/components/ContentView/ContentLoader.tsx

@@ -1,19 +1,26 @@
 import React, { Component } from 'react'
-import PropTypes from 'prop-types'
 import { MessageUtils } from '../../flow/utils'
 
+type ContentLoaderProps = {
+    content: string,
+    contentView: object,
+    flow: object,
+    message: {
+        content: string,
+        contentHash: string,
+    },
+}
+
+type ContentLoaderStates = {
+    content: string | undefined,
+    request: { abort: () => void }| undefined,
+}
+
 export default function withContentLoader(View) {
 
-    return class extends React.Component {
-        static displayName = View.displayName || View.name
-        static matches = View.matches
-
-        static propTypes = {
-            ...View.propTypes,
-            content: PropTypes.string,  // mark as non-required
-            flow: PropTypes.object.isRequired,
-            message: PropTypes.object.isRequired,
-        }
+    return class extends React.Component<ContentLoaderProps, ContentLoaderStates> {
+        static displayName: string = View.displayName || View.name
+        static matches: (message: any) => boolean = View.matches
 
         constructor(props) {
             super(props)
@@ -45,6 +52,7 @@ export default function withContentLoader(View) {
 
         updateContent(props) {
             if (this.state.request) {
+                console.log("request:",this.state.request)
                 this.state.request.abort()
             }
             // We have a few special cases where we do not need to make an HTTP request.

web/src/js/components/ContentView/ContentViewOptions.jsx

@@ -1,32 +0,0 @@
-import React  from 'react'
-import PropTypes from 'prop-types'
-import { connect } from 'react-redux'
-import ViewSelector from './ViewSelector'
-import UploadContentButton from './UploadContentButton'
-import DownloadContentButton from './DownloadContentButton'
-
-ContentViewOptions.propTypes = {
-    flow: PropTypes.object.isRequired,
-    message: PropTypes.object.isRequired,
-}
-
-function ContentViewOptions({ flow, message, uploadContent, readonly, contentViewDescription }) {
-    return (
-        <div className="view-options">
-            {readonly ? <ViewSelector message={message}/> : <span><b>View:</b> edit</span>}
-            &nbsp;
-            <DownloadContentButton flow={flow} message={message}/>
-            &nbsp;
-            {!readonly && <UploadContentButton uploadContent={uploadContent}/> }
-            &nbsp;
-            {readonly && <span>{contentViewDescription}</span>}
-        </div>
-    )
-}
-
-export default connect(
-    state => ({
-        contentViewDescription: state.ui.flow.viewDescription,
-        readonly: !state.ui.flow.modifiedFlow,
-    })
-)(ContentViewOptions)

web/src/js/components/ContentView/ContentViewOptions.tsx

@@ -0,0 +1,27 @@
+import React  from 'react'
+import ViewSelector from './ViewSelector'
+import UploadContentButton from './UploadContentButton'
+import DownloadContentButton from './DownloadContentButton'
+import { useAppSelector } from "../../ducks";
+
+type ContentViewOptionsProps = {
+    flow: object,
+    message: object,
+    uploadContent: () => void,
+}
+
+export default function ContentViewOptions({ flow, message, uploadContent }: ContentViewOptionsProps) {
+    const contentViewDescription = useAppSelector(state => state.ui.flow.viewDescription)
+    const readonly = useAppSelector(state => state.ui.flow.modifiedFlow);
+    return (
+        <div className="view-options">
+            {readonly ? <ViewSelector /> : <span><b>View:</b> edit</span>}
+            &nbsp;
+            <DownloadContentButton flow={flow} message={message}/>
+            &nbsp;
+            {!readonly && <UploadContentButton uploadContent={uploadContent}/> }
+            &nbsp;
+            {readonly && <span>{contentViewDescription}</span>}
+        </div>
+    )
+}

web/src/js/components/ContentView/ContentViews.jsx

@@ -1,99 +0,0 @@
-import React, { Component } from 'react'
-import PropTypes from 'prop-types'
-import { connect } from 'react-redux'
-import { setContentViewDescription, setContent } from '../../ducks/ui/flow'
-import withContentLoader from './ContentLoader'
-import { MessageUtils } from '../../flow/utils'
-import CodeEditor from './CodeEditor'
-
-
-const isImage = /^image\/(png|jpe?g|gif|webp|vnc.microsoft.icon|x-icon)$/i
-ViewImage.matches = msg => isImage.test(MessageUtils.getContentType(msg))
-ViewImage.propTypes = {
-    flow: PropTypes.object.isRequired,
-    message: PropTypes.object.isRequired,
-}
-function ViewImage({ flow, message }) {
-    return (
-        <div className="flowview-image">
-            <img src={MessageUtils.getContentURL(flow, message)} alt="preview" className="img-thumbnail"/>
-        </div>
-    )
-}
-
-Edit.propTypes = {
-    content: PropTypes.string.isRequired,
-}
-
-function Edit({ content, onChange }) {
-    return <CodeEditor content={content} onChange={onChange}/>
-}
-Edit = withContentLoader(Edit)
-
-export class PureViewServer extends Component {
-    static propTypes  = {
-        showFullContent: PropTypes.bool.isRequired,
-        maxLines: PropTypes.number.isRequired,
-        setContentViewDescription : PropTypes.func.isRequired,
-        setContent: PropTypes.func.isRequired
-    }
-
-    UNSAFE_componentWillMount(){
-        this.setContentView(this.props)
-    }
-
-    UNSAFE_componentWillReceiveProps(nextProps){
-        if (nextProps.content !== this.props.content) {
-            this.setContentView(nextProps)
-        }
-    }
-
-    setContentView(props){
-        try {
-            this.data = JSON.parse(props.content)
-        }catch(err) {
-            this.data = {lines: [], description: err.message}
-        }
-
-        props.setContentViewDescription(props.contentView !== this.data.description ? this.data.description : '')
-        props.setContent(this.data.lines)
-    }
-
-    render() {
-        const {content, contentView, message, maxLines} = this.props
-        let lines = this.props.showFullContent ? this.data.lines : this.data.lines.slice(0, maxLines)
-        return (
-            <div>
-                {ViewImage.matches(message) && <ViewImage {...this.props} />}
-                <pre>
-                    {lines.map((line, i) =>
-                        <div key={`line${i}`}>
-                            {line.map((element, j) => {
-                                let [style, text] = element
-                                return (
-                                    <span key={`tuple${j}`} className={style}>
-                                        {text}
-                                    </span>
-                                )
-                            })}
-                        </div>
-                    )}
-                </pre>
-            </div>
-        )
-    }
-
-}
-
-const ViewServer = connect(
-    state => ({
-        showFullContent: state.ui.flow.showFullContent,
-        maxLines: state.ui.flow.maxContentLines
-    }),
-    {
-        setContentViewDescription,
-        setContent
-    }
-)(withContentLoader(PureViewServer))
-
-export { Edit, ViewServer, ViewImage }

web/src/js/components/ContentView/ContentViews.tsx

@@ -0,0 +1,97 @@
+import React, { useEffect, useState } from 'react'
+import { setContentViewDescription, setContent } from '../../ducks/ui/flow'
+import withContentLoader from './ContentLoader'
+import { MessageUtils } from '../../flow/utils'
+import CodeEditor from './CodeEditor'
+import { useAppDispatch, useAppSelector } from "../../ducks";
+
+
+const isImage = /^image\/(png|jpe?g|gif|webp|vnc.microsoft.icon|x-icon)$/i
+ViewImage.matches = msg => isImage.test(MessageUtils.getContentType(msg))
+
+type ViewImageProps = {
+    flow: object,
+    message: object,
+}
+
+function ViewImage({ flow, message }: ViewImageProps) {
+    return (
+        <div className="flowview-image">
+            <img src={MessageUtils.getContentURL(flow, message)} alt="preview" className="img-thumbnail"/>
+        </div>
+    )
+}
+
+type EditProps = {
+    content: string,
+    onChange: () => void,
+}
+
+function PureEdit({ content, onChange }: EditProps) {
+    return <CodeEditor content={content} onChange={onChange}/>
+}
+const Edit = withContentLoader(PureEdit)
+
+type PureViewServerProps = {
+    flow: object,
+    message: object,
+    content: string,
+}
+
+type PureViewServerStates = {
+    lines: string[][],
+    description: string,
+}
+
+export function PureViewServer({flow, message, content}: PureViewServerProps) {
+    const [data, setData] = useState<PureViewServerStates>({
+        lines: [],
+        description: "",
+    })
+
+    const dispatch = useAppDispatch(),
+    showFullContent: boolean = useAppSelector(state => state.ui.flow.showFullContent),
+    maxLines: number = useAppSelector(state => state.ui.flow.maxContentLines)
+
+    let lines = showFullContent ? data.lines : data.lines?.slice(0, maxLines)
+
+    useEffect(() => {
+        setContentView({flow, message, content})
+    }, [flow, message, content])
+
+    const setContentView = (props) => {
+        try {
+            setData(JSON.parse(props.content))
+        }catch(err) {
+            setData({lines: [], description: err.message})
+        }
+
+        dispatch(setContentViewDescription(props.contentView !== data.description ? data.description : ''))
+        dispatch(setContent(data.lines))
+    }
+
+    return (
+        <div>
+            {ViewImage.matches(message) && <ViewImage flow={flow} message={message}/>}
+            <pre>
+                {lines.map((line, i) =>
+                    <div key={`line${i}`}>
+                        {line.map((element, j) => {
+                            let [style, text] = element
+                            return (
+                                <span key={`tuple${j}`} className={style}>
+                                    {text}
+                                </span>
+                            )
+                        })}
+                    </div>
+                )}
+            </pre>
+        </div>
+    )
+
+}
+
+const ViewServer = withContentLoader(PureViewServer)
+
+export { Edit, ViewServer, ViewImage }

web/src/js/components/ContentView/DownloadContentButton.tsx

@@ -1,13 +1,12 @@
 import React from 'react'
 import { MessageUtils } from "../../flow/utils"
-import PropTypes from 'prop-types'
 
-DownloadContentButton.propTypes = {
-    flow: PropTypes.object.isRequired,
-    message: PropTypes.object.isRequired,
+type DownloadContentButtonProps = {
+    flow: object,
+    message: object,
 }
 
-export default function DownloadContentButton({ flow, message }) {
+export default function DownloadContentButton({ flow, message }: DownloadContentButtonProps) {
 
     return (
         <a className="btn btn-default btn-xs"

web/src/js/components/ContentView/MetaViews.tsx

@@ -3,7 +3,18 @@ import { formatSize } from '../../utils'
 import UploadContentButton from './UploadContentButton'
 import DownloadContentButton from './DownloadContentButton'
 
-export function ContentEmpty({ flow, message }) {
+interface ContentProps  {
+    flow: { request: object },
+    message: { contentLength: number },
+}
+
+interface ContentTooLargeProps extends ContentProps {
+    onClick: () => void,
+    uploadContent: () => any,
+}
+
+
+export function ContentEmpty({ flow, message }: ContentProps) {
     return (
         <div className="alert alert-info">
             No {flow.request === message ? 'request' : 'response'} content.
@@ -11,7 +22,7 @@ export function ContentEmpty({ flow, message }) {
     )
 }
 
-export function ContentMissing({ flow, message }) {
+export function ContentMissing({ flow, message }: ContentProps) {
     return (
         <div className="alert alert-info">
             {flow.request === message ? 'Request' : 'Response'} content missing.
@@ -19,7 +30,7 @@ export function ContentMissing({ flow, message }) {
     )
 }
 
-export function ContentTooLarge({ message, onClick, uploadContent, flow }) {
+export function ContentTooLarge({ message, onClick, uploadContent, flow }: ContentTooLargeProps) {
     return (
         <div>
             <div className="alert alert-warning">

web/src/js/components/ContentView/ShowFullContentButton.jsx

@@ -1,39 +0,0 @@
-import React, { Component } from 'react'
-import PropTypes from 'prop-types'
-import { connect } from 'react-redux'
-import { render } from 'react-dom';
-import Button from '../common/Button';
-import { setShowFullContent } from '../../ducks/ui/flow'
-
-
-
-ShowFullContentButton.propTypes = {
-        setShowFullContent: PropTypes.func.isRequired,
-        showFullContent: PropTypes.bool.isRequired
-}
-
-export function ShowFullContentButton ( {setShowFullContent, showFullContent, visibleLines, contentLines} ){
-
-    return (
-        !showFullContent &&
-            <div>
-                <Button className="view-all-content-btn btn-xs" onClick={() => setShowFullContent()}>
-                    Show full content
-                </Button>
-                <span className="pull-right"> {visibleLines}/{contentLines} are visible &nbsp; </span>
-            </div>
-    )
-}
-
-export default connect(
-    state => ({
-        showFullContent: state.ui.flow.showFullContent,
-        visibleLines: state.ui.flow.maxContentLines,
-        contentLines: state.ui.flow.content.length
-
-    }),
-    {
-        setShowFullContent
-    }
-)(ShowFullContentButton)
-

web/src/js/components/ContentView/ShowFullContentButton.tsx

@@ -0,0 +1,22 @@
+import React from 'react'
+import Button from '../common/Button';
+import { setShowFullContent } from '../../ducks/ui/flow'
+import {useAppDispatch, useAppSelector} from "../../ducks";
+
+export default function ShowFullContentButton() {
+    const dispatch = useAppDispatch(),
+    showFullContent = useAppSelector(state => state.ui.flow.showFullContent),
+    visibleLines = useAppSelector(state => state.ui.flow.maxContentLines),
+    contentLines = useAppSelector(state => state.ui.flow.content.length)
+
+    return (
+        !showFullContent &&
+            <div>
+                <Button className="view-all-content-btn btn-xs" onClick={() => dispatch(setShowFullContent())}>
+                    Show full content
+                </Button>
+                <span className="pull-right"> {visibleLines}/{contentLines} are visible &nbsp; </span>
+            </div>
+    )
+}
+

web/src/js/components/ContentView/UploadContentButton.tsx

@@ -1,12 +1,11 @@
 import React from 'react'
-import PropTypes from 'prop-types'
 import FileChooser from '../common/FileChooser'
 
-UploadContentButton.propTypes = {
-    uploadContent: PropTypes.func.isRequired,
+type UploadContentButtonProps = {
+    uploadContent: () => any,
 }
 
-export default function UploadContentButton({ uploadContent }) {
+export default function UploadContentButton({ uploadContent }: UploadContentButtonProps) {
 
     return (
         <FileChooser

web/src/js/components/common/Button.tsx

@@ -1,15 +1,16 @@
 import React from "react"
-import PropTypes from 'prop-types'
 import classnames from "classnames"
 
-Button.propTypes = {
-    onClick: PropTypes.func.isRequired,
-    children: PropTypes.node,
-    icon: PropTypes.string,
-    title: PropTypes.string,
+type ButtonProps = {
+    onClick: () => void,
+    children?: React.ReactNode,
+    icon?: string,
+    disabled?: boolean,
+    className?: string,
+    title?: string,
 }
 
-export default function Button({ onClick, children, icon, disabled, className, title }) {
+export default function Button({ onClick, children, icon, disabled, className, title }: ButtonProps) {
     return (
         <button className={classnames(className, 'btn btn-default')}
              onClick={disabled ? undefined : onClick}

web/src/js/components/common/DocsLink.tsx

@@ -1,11 +1,11 @@
 import React from "react"
-import PropTypes from "prop-types"
 
-DocsLink.propTypes = {
-    resource: PropTypes.string.isRequired,
+type DocLinkProps = {
+    children: React.ReactNode,
+    resource: string
 }
 
-export default function DocsLink({ children, resource }) {
+export default function DocsLink({ children, resource }: DocLinkProps) {
     let url = `https://docs.mitmproxy.org/stable/${resource}`
     return (
         <a target="_blank" href={url}>

web/src/js/components/common/FileChooser.tsx

@@ -2,7 +2,7 @@ import React from "react";
 
 type FileChooserProps = {
     icon: string
-    text: string
+    text?: string
     className?: string
     title?: string
     onOpenFile: (File) => void

web/src/js/components/common/HideInStatic.jsx

@@ -1,5 +0,0 @@
-import React from 'react'
-
-export default function HideInStatic({ children }) {
-    return (window.MITMWEB_CONF && window.MITMWEB_CONF.static) ? null : [children]
-}

web/src/js/components/common/HideInStatic.tsx

@@ -0,0 +1,9 @@
+import React from 'react'
+
+type HideInStaticProps = {
+    children: React.ReactNode,
+}
+
+export default function HideInStatic({ children }: HideInStaticProps) {
+    return (window.MITMWEB_CONF && window.MITMWEB_CONF.static) ? null : [children]
+}

web/src/js/components/common/Splitter.tsx

@@ -2,14 +2,24 @@ import React, { Component } from 'react'
 import ReactDOM from 'react-dom'
 import classnames from 'classnames'
 
-export default class Splitter extends Component {
+type SplitterStates = {
+    applied: boolean,
+    startX: number,
+    startY: number,
+}
+
+type SplitterProps = {
+    axis: string,
+}
+
+export default class Splitter extends Component<SplitterProps, SplitterStates> {
 
     static defaultProps = { axis: 'x' }
 
     constructor(props, context) {
         super(props, context)
 
-        this.state = { applied: false, startX: false, startY: false }
+        this.state = { applied: false, startX: 0, startY: 0 }
 
         this.onMouseMove = this.onMouseMove.bind(this)
         this.onMouseDown = this.onMouseDown.bind(this)

web/src/js/components/common/ToggleButton.tsx

@@ -1,13 +1,12 @@
 import React  from 'react'
-import PropTypes from 'prop-types'
 
-ToggleButton.propTypes = {
-    checked: PropTypes.bool.isRequired,
-    onToggle: PropTypes.func.isRequired,
-    text: PropTypes.string.isRequired
+type ToggleButtonProps = {
+    checked: boolean,
+    onToggle: () => void,
+    text: string
 }
 
-export default function ToggleButton({ checked, onToggle, text }) {
+export default function ToggleButton({ checked, onToggle, text }: ToggleButtonProps) {
     return (
         <div className={"btn btn-toggle " + (checked ? "btn-primary" : "btn-default")} onClick={onToggle}>
             <i className={"fa fa-fw " + (checked ? "fa-check-square-o" : "fa-square-o")}/>

web/src/js/components/common/ToggleInputButton.tsx

@@ -1,19 +1,21 @@
 import React, { Component } from 'react'
-import PropTypes from 'prop-types'
 import classnames from 'classnames'
 import { Key } from '../../utils'
 
-export default class ToggleInputButton extends Component {
+type ToggleInputButtonProps = {
+    name: string,
+    txt: string,
+    onToggleChanged: (string) => void,
+    checked: boolean,
+    placeholder: string,
+    inputType: string,
+}
 
-    static propTypes = {
-        name: PropTypes.string.isRequired,
-        txt: PropTypes.string,
-        onToggleChanged: PropTypes.func.isRequired,
-        checked: PropTypes.bool.isRequired,
-        placeholder: PropTypes.string.isRequired,
-        inputType: PropTypes.string
-    }
+type ToggleInputButtonStates = {
+    txt: string,
+}
 
+export default class ToggleInputButton extends Component<ToggleInputButtonProps, ToggleInputButtonStates> {
     constructor(props) {
         super(props)
         this.state = { txt: props.txt || '' }