Add last message time to sidebar

Fixes #8

.travis.yml

@@ -1,5 +1,8 @@
 language: node_js
 
+services:
+  - docker
+
 cache:
   directories:
   - node_modules
@@ -16,11 +19,11 @@ os:
 
 install:
   - npm install
-  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then sudo apt-get install snapd && sudo snap install snapcraft --classic; fi
 
 script:
   - npm run build
-  - npm run prepare-release
-  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then npm run package -- linux; fi
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then npm run package -- mac; fi
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then npm run package -- win; fi
+  - npm run test
+  - if [[ "$TRAVIS_TAG" != "" ]]; then npm run prepare-release; fi
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]] && [[ "$TRAVIS_TAG" != "" ]]; then npm run package-with-docker  -- linux; fi
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]] && [[ "$TRAVIS_TAG" != "" ]]; then npm run package -- mac; fi
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]] && [[ "$TRAVIS_TAG" != "" ]]; then npm run package-with-docker -- win; fi

Readme.md

@@ -1,14 +1,17 @@
 # MQTT-Explorer
+[![Build Status](https://travis-ci.org/thomasnordquist/MQTT-Explorer.svg?branch=master)](https://travis-ci.org/thomasnordquist/MQTT-Explorer)
 
+### Version 0.0.6
 See the whole picture of your message queue.
 The perfect tool to integrate new services, IoT devices in your network.
 This application subscribes to all topics on your MQTT-Server and displays your message queue hierarchy, allowing you to drill-down to the topics that are of interest.
 
 ## Download
-The app is prebuilt for Windows, Linux and Mac. [Downloads](https://github.com/thomasnordquist/MQTT-Explorer/releases)
+The app is prebuilt for Windows ([portable](https://github.com/thomasnordquist/MQTT-Explorer/releases/download/v0.0.6/MQTT-Explorer-0.0.6.exe), [installer](https://github.com/thomasnordquist/MQTT-Explorer/releases/download/v0.0.6/MQTT-Explorer-Setup-0.0.6.exe)), Linux ([AppImage](https://github.com/thomasnordquist/MQTT-Explorer/releases/download/v0.0.6/MQTT-Explorer-0.0.6-x86_64.AppImage)) and Mac ([dmg](https://github.com/thomasnordquist/MQTT-Explorer/releases/download/v0.0.6/MQTT-Explorer-0.0.6.dmg)).
 
-![screenshot](https://user-images.githubusercontent.com/7721625/51086078-340c1c00-1742-11e9-83a9-07f932055467.png)
+More architectures and package types: [Downloads](https://github.com/thomasnordquist/MQTT-Explorer/releases)
 
+![screen2](https://user-images.githubusercontent.com/7721625/51109225-dbe22200-17f4-11e9-8f6b-c6a27c07c90e.png)
 
 ## Develop
 PRs and issues are welcome
@@ -20,5 +23,4 @@ Start with `npm run start`
 The `app` directory contains all the rendering logic, the `backend` directory currently contains the models, tests, connection management.
 
 ## License
-Not yet decided which licens exactly, but the basic idea is: "You may do whatever you want with this tool, except sell it."
-
+Not yet decided which license exactly, but the basic idea is: "You may do whatever you want with this tool, except sell it."

Readme.tpl.md

@@ -0,0 +1,26 @@
+# MQTT-Explorer
+[![Build Status](https://travis-ci.org/thomasnordquist/MQTT-Explorer.svg?branch=master)](https://travis-ci.org/thomasnordquist/MQTT-Explorer)
+
+### Version {{ version }}
+See the whole picture of your message queue.
+The perfect tool to integrate new services, IoT devices in your network.
+This application subscribes to all topics on your MQTT-Server and displays your message queue hierarchy, allowing you to drill-down to the topics that are of interest.
+
+## Download
+The app is prebuilt for Windows ({{windowsTargets}}), Linux ({{linuxTargets}}) and Mac ({{macTargets}}).
+
+More architectures and package types: [Downloads](https://github.com/thomasnordquist/MQTT-Explorer/releases)
+
+![screen2](https://user-images.githubusercontent.com/7721625/51109225-dbe22200-17f4-11e9-8f6b-c6a27c07c90e.png)
+
+## Develop
+PRs and issues are welcome
+
+Install with `npm run install`, build with `npm run build`
+
+Start with `npm run start`
+
+The `app` directory contains all the rendering logic, the `backend` directory currently contains the models, tests, connection management.
+
+## License
+Not yet decided which license exactly, but the basic idea is: "You may do whatever you want with this tool, except sell it."

app/index.html

@@ -17,6 +17,7 @@
 
           ::-webkit-scrollbar {
             width: 8px;
+            height: 8px;
           }
 
           ::-webkit-scrollbar-corner {
@@ -58,17 +59,18 @@
           }
         </style>
         <script src="http://localhost:35729/livereload.js"></script>
+
     </head>
     <body>
-        <div id="splash"><div id="splash1"></div>
-          <!-- <div id="splash1">
-            <div id="splash2" style="color: #ddd" class="la-square-jelly-box la-3x">
-              <div>a</div>
-              <div>ads</div>
-            </div> -->
-          </div>
-        </div>
+        <div id="splash"><div id="splash1"></div></div>
         <div id="app" style="font:-webkit-control"></div>
-        <script src="./build/bundle.js"></script>
+        <script>
+          function onLoad() {
+            var script = document.createElement("script");
+            script.src = "./build/bundle.js"
+            document.head.appendChild(script);
+          }
+          document.addEventListener('DOMContentLoaded', onLoad(), false);
+        </script>
     </body>
 </html>

app/src/UpdateNotifier.tsx

@@ -42,6 +42,13 @@ class UpdateNotifier extends React.Component<Props, {}> {
     rendererEvents.subscribe(updateAvailable, this.handleUpdate)
   }
 
+  private fixUrl(url: string, version: string) {
+    if (!/^http/.test(url)) {
+      return `https://github.com/thomasnordquist/MQTT-Explorer/releases/download/v${version}/${url}`
+    }
+
+    return url
+  }
   public componentWillUnmount() {
     rendererEvents.unsubscribeAll(updateAvailable)
   }
@@ -156,7 +163,7 @@ class UpdateNotifier extends React.Component<Props, {}> {
         <div key={index}>
           <Button
             className={this.props.classes.download}
-            href={file.url}
+            href={this.fixUrl(file.url, updateInfo.version)}
           >
             <IconButton><CloudDownload /></IconButton>{this.urlToFilename(file.url)}
           </Button>

app/src/components/ConnectionSetup/Connection.tsx

@@ -3,8 +3,13 @@ import * as React from 'react'
 import {
   Button,
   CircularProgress,
+  FormControl,
   FormControlLabel,
   Grid,
+  IconButton,
+  Input,
+  InputAdornment,
+  InputLabel,
   MenuItem,
   Modal,
   Paper,
@@ -17,6 +22,10 @@ import { DataSourceState, MqttOptions } from '../../../../backend/src/DataSource
 import { StyleRulesCallback, Theme, withStyles } from '@material-ui/core/styles'
 import { addMqttConnectionEvent, makeConnectionStateEvent, removeConnection, rendererEvents } from '../../../../events'
 
+import Notification from './Notification'
+import Visibility from '@material-ui/icons/Visibility'
+import VisibilityOff from '@material-ui/icons/VisibilityOff'
+
 import sha1 = require('sha1')
 
 interface Props {
@@ -34,7 +43,7 @@ const protocols = [
 interface State {
   connecting: boolean
   connectionId?: string
-  error?: Error
+  error?: string
   visible: boolean
   host: string
   protocol: string
@@ -44,6 +53,7 @@ interface State {
   clientId: string
   username: string
   password: string
+  showPassword: boolean
 }
 
 declare var window: any
@@ -71,6 +81,7 @@ class Connection extends React.Component<Props, State> {
       password: '',
       connecting: false,
       connectionId: undefined,
+      showPassword: false,
     }
 
     this.state = Object.assign({}, defaultState, storedSettings)
@@ -80,6 +91,10 @@ class Connection extends React.Component<Props, State> {
     window.localStorage.setItem('connectionSettings', JSON.stringify(this.state))
   }
 
+  private handleClickShowPassword = () => {
+    this.setState({ showPassword: !this.state.showPassword })
+  }
+
   private optionsFromState(): MqttOptions {
     const protocol = this.state.protocol === 'tcp://' ? 'mqtt://' : this.state.protocol
     const url = `${protocol}${this.state.host}:${this.state.port}`
@@ -87,7 +102,7 @@ class Connection extends React.Component<Props, State> {
     return {
       url,
       username: this.state.username || undefined,
-      password: this.state.username || undefined,
+      password: this.state.password || undefined,
       tls: this.state.tls,
       certValidation: this.state.certValidation,
     }
@@ -110,8 +125,8 @@ class Connection extends React.Component<Props, State> {
         this.props.onConnection(connectionId)
         this.setState({ visible: false })
       } else if (state.error) {
-        console.log('error', state.error)
         this.setState({ error: state.error })
+        this.disconnect()
       }
     })
   }
@@ -150,6 +165,9 @@ class Connection extends React.Component<Props, State> {
       button: {
         margin: theme.spacing.unit,
       },
+      passwordFormControl: {
+        marginTop: '16px',
+      },
     }
   }
 
@@ -163,108 +181,137 @@ class Connection extends React.Component<Props, State> {
   public render() {
     const { classes } = this.props
 
-    return <Modal open={this.state.visible} disableAutoFocus={true} onClose={() => { console.log('close') }}>
-        <Paper className={classes.root}>
-          <Toolbar>
-            <Typography className={classes.title} variant="h6" color="inherit">MQTT Connection</Typography>
-          </Toolbar>
-          <form className={classes.container} noValidate autoComplete="off">
-            <Grid container spacing={24}>
-              <Grid item xs={2}>
-                <TextField
-                  select
-                  label="Protocol"
-                  className={classes.textField}
-                  value={this.state.protocol}
-                  onChange={this.handleChange('protocol')}
-                  margin="normal"
-                >
-                  {protocols.map((value: string) => (
-                    <MenuItem key={value} value={value}>
-                      {value}
-                    </MenuItem>
-                  ))}
-                </TextField>
-              </Grid>
-              <Grid item xs={7}>
-                <TextField
-                  label="Host"
-                  className={classes.textField}
-                  value={this.state.host}
-                  onChange={this.handleChange('host')}
-                  margin="normal"
-                />
-              </Grid>
-              <Grid item xs={3}>
-                <TextField
-                  label="Port"
-                  className={classes.textField}
-                  value={this.state.port}
-                  onChange={this.handleChange('port')}
-                  margin="normal"
-                />
-              </Grid>
-              <Grid item xs={5}>
-                <TextField
-                  label="Username"
-                  className={classes.textField}
-                  value={this.state.username}
-                  onChange={this.handleChange('username')}
-                  margin="normal"
-                />
-              </Grid>
-              <Grid item xs={5}>
-                <TextField
-                  label="Password"
-                  type="type"
-                  className={classes.textField}
-                  value={this.state.password}
-                  onChange={this.handleChange('password')}
-                  margin="normal"
-                />
-              </Grid>
-              <Grid item xs={4}>
-                <div className={classes.switch}>
-                  <FormControlLabel
-                    control={(
-                      <Switch
-                        checked={this.state.certValidation}
-                        onChange={() => this.setState({ certValidation: !this.state.certValidation })}
-                        color="primary"
+    const passwordVisibilityButton = (
+      <InputAdornment position="end">
+        <IconButton
+          aria-label="Toggle password visibility"
+          onClick={this.handleClickShowPassword}
+        >
+          {this.state.showPassword ? <Visibility /> : <VisibilityOff />}
+        </IconButton>
+      </InputAdornment>
+    )
+
+    let renderError = null
+    if (this.state.error) {
+      renderError = (
+        <Notification
+          message={this.state.error}
+          type="error"
+          onClose={() => { this.setState({ error: undefined }) }}
+        />
+      )
+    }
+
+    return (
+      <div>
+        {renderError}
+        <Modal open={this.state.visible} disableAutoFocus={true}>
+            <Paper className={classes.root}>
+              <Toolbar>
+                <Typography className={classes.title} variant="h6" color="inherit">MQTT Connection</Typography>
+              </Toolbar>
+              <form className={classes.container} noValidate={true} autoComplete="off">
+                <Grid container={true} spacing={24}>
+                  <Grid item={true} xs={2}>
+                    <TextField
+                      select={true}
+                      label="Protocol"
+                      className={classes.textField}
+                      value={this.state.protocol}
+                      onChange={this.handleChange('protocol')}
+                      margin="normal"
+                    >
+                      {protocols.map((value: string) => (
+                        <MenuItem key={value} value={value}>
+                          {value}
+                        </MenuItem>
+                      ))}
+                    </TextField>
+                  </Grid>
+                  <Grid item xs={7}>
+                    <TextField
+                      label="Host"
+                      className={classes.textField}
+                      value={this.state.host}
+                      onChange={this.handleChange('host')}
+                      margin="normal"
+                    />
+                  </Grid>
+                  <Grid item={true} xs={3}>
+                    <TextField
+                      label="Port"
+                      className={classes.textField}
+                      value={this.state.port}
+                      onChange={this.handleChange('port')}
+                      margin="normal"
+                    />
+                  </Grid>
+                  <Grid item={true} xs={5}>
+                    <TextField
+                      label="Username"
+                      className={classes.textField}
+                      value={this.state.username}
+                      onChange={this.handleChange('username')}
+                      margin="normal"
+                    />
+                  </Grid>
+                  <Grid item={true} xs={5}>
+                    <FormControl className={`${classes.textField} ${classes.passwordFormControl}`}>
+                      <InputLabel htmlFor="adornment-password">Password</InputLabel>
+                      <Input
+                        id="adornment-password"
+                        type={this.state.showPassword ? 'text' : 'password'}
+                        value={this.state.password}
+                        onChange={this.handleChange('password')}
+                        endAdornment={passwordVisibilityButton}
                       />
-                    )}
-                    label="Validate certificate"
-                    labelPlacement="bottom"
-                  />
-                </div>
-              </Grid>
-              <Grid item xs={4}>
-                <div className={classes.switch}>
-                  <FormControlLabel
-                    control={(
-                      <Switch
-                        checked={this.state.tls}
-                        onChange={() => this.setState({ tls: !this.state.tls })}
-                        color="primary"
+                    </FormControl>
+                  </Grid>
+                  <Grid item={true} xs={4}>
+                    <div className={classes.switch}>
+                      <FormControlLabel
+                        control={(
+                          <Switch
+                            checked={this.state.certValidation}
+                            onChange={() => this.setState({ certValidation: !this.state.certValidation })}
+                            color="primary"
+                          />
+                        )}
+                        label="Validate certificate"
+                        labelPlacement="bottom"
                       />
-                    )}
-                    label="Encryption (tls)"
-                    labelPlacement="bottom"
-                  />
+                    </div>
+                  </Grid>
+                  <Grid item={true} xs={4}>
+                    <div className={classes.switch}>
+                      <FormControlLabel
+                        control={(
+                          <Switch
+                            checked={this.state.tls}
+                            onChange={() => this.setState({ tls: !this.state.tls })}
+                            color="primary"
+                          />
+                        )}
+                        label="Encryption (tls)"
+                        labelPlacement="bottom"
+                      />
+                    </div>
+                  </Grid>
+                  <Grid item={true} xs={4} />
+                </Grid>
+                <br />
+                <div style={{ textAlign: 'right' }}>
+                  <Button variant="contained" color="secondary" className={classes.button} onClick={() => this.saveConnectionSettings()}>
+                    Save
+                  </Button>
+                  {this.renderConnectButton()}
                 </div>
-              </Grid>
-              <Grid item xs={4}></Grid>
-            </Grid>
-            <br />
-            <div style={{ textAlign: 'right' }}>
-              <Button variant="contained" color="secondary" className={classes.button} onClick={() => this.saveConnectionSettings()}>
-                Save
-              </Button>
-              { this.renderConnectButton() }
-            </div>
-          </form>
-        </Paper>
-    </Modal>
+              </form>
+            </Paper>
+        </Modal>
+      </div>
+    )
   }
 
   private renderConnectButton() {

app/src/components/ConnectionSetup/Notification.tsx

@@ -0,0 +1,55 @@
+import * as React from 'react'
+
+import { Snackbar, SnackbarContent } from '@material-ui/core'
+import { Theme, withStyles } from '@material-ui/core/styles'
+import { green, red } from '@material-ui/core/colors'
+
+enum MessageType {
+  success = 'success',
+  error = 'error',
+}
+
+interface Props {
+  message?: string
+  type: MessageType
+  onClose: () => void
+  classes: any
+}
+
+class Notification extends React.Component<Props, {}> {
+  constructor(props: Props) {
+    super(props)
+  }
+
+  public static styles = (theme: Theme) => ({
+    success: {
+      backgroundColor: green[600],
+      color: theme.typography.button.color,
+    },
+    error: {
+      backgroundColor: red[600],
+      color: theme.typography.button.color,
+    },
+  })
+
+  public render() {
+    return (
+      <Snackbar
+        anchorOrigin={{
+          vertical: 'bottom',
+          horizontal: 'left',
+        }}
+        open={Boolean(this.props.message)}
+        autoHideDuration={10000}
+        onClose={this.props.onClose}
+      >
+        <SnackbarContent
+          className={this.props.classes[this.props.type]}
+          message={this.props.message}
+        />
+      </Snackbar>
+    )
+  }
+}
+
+export default withStyles(Notification.styles)(Notification)

app/src/components/DateFormatter.tsx

@@ -0,0 +1,14 @@
+import * as React from 'react'
+
+interface Props {
+  date: Date
+}
+
+class DateFormatter extends React.Component<Props, {}> {
+
+  public render() {
+    return <span>{this.props.date.toLocaleDateString()} {this.props.date.toLocaleTimeString()}</span>
+  }
+}
+
+export default DateFormatter

app/src/components/Sidebar/MessageHistory.tsx

@@ -3,11 +3,10 @@ import * as q from '../../../../backend/src/Model'
 
 import { Theme, withTheme } from '@material-ui/core/styles'
 
-import Fade from '@material-ui/core/Fade'
+import DateFormatter from '../DateFormatter'
 import History from './History'
-import Paper from '@material-ui/core/Paper'
-import Popper from '@material-ui/core/Popper'
-import ValueRenderer from './ValueRenderer'
+
+const throttle = require('lodash.throttle')
 
 interface Props {
   node?: q.TreeNode
@@ -26,9 +25,9 @@ class MessageHistory extends React.Component<Props, State> {
     this.state = { }
   }
 
-  private updateNode = () => {
+  private updateNode = throttle(() => {
     this.setState(this.state)
-  }
+  }, 300)
 
   public componentWillReceiveProps(nextProps: Props) {
     this.props.node && this.props.node.onMessage.unsubscribe(this.updateNode)
@@ -51,7 +50,7 @@ class MessageHistory extends React.Component<Props, State> {
 
     const history = node.messageHistory.toArray()
     const historyElements = history.map(message => ({
-      title: message.received.toGMTString(),
+      title: <DateFormatter date={message.received} />,
       value: message.value,
     }))
 

app/src/components/Sidebar/NodeStats.tsx

@@ -1,5 +1,6 @@
 import * as React from 'react'
 import * as q from '../../../../backend/src/Model'
+
 import { Typography } from '@material-ui/core'
 
 interface Props {

app/src/components/Sidebar/Sidebar.tsx

@@ -14,6 +14,7 @@ import { StyleRulesCallback, Theme, withStyles } from '@material-ui/core/styles'
 
 import { AppState } from '../../reducers'
 import Copy from '../Copy'
+import DateFormatter from '../DateFormatter'
 import ExpandMore from '@material-ui/icons/ExpandMore'
 import MessageHistory from './MessageHistory'
 import NodeStats from './NodeStats'
@@ -22,6 +23,8 @@ import Topic from './Topic'
 import ValueRenderer from './ValueRenderer'
 import { connect } from 'react-redux'
 
+const throttle = require('lodash.throttle')
+
 interface Props {
   node?: q.TreeNode,
   classes: any,
@@ -36,9 +39,9 @@ interface State {
 
 class Sidebar extends React.Component<Props, State> {
   private valueRef: any = React.createRef<HTMLDivElement>()
-  private updateNode = () => {
+  private updateNode = throttle(() => {
     this.setState(this.state)
-  }
+  }, 300)
 
   constructor(props: any) {
     super(props)
@@ -113,7 +116,12 @@ class Sidebar extends React.Component<Props, State> {
             <Typography className={classes.heading}>Value {copyValue}</Typography>
           </ExpansionPanelSummary>
           <ExpansionPanelDetails style={this.detailsStyle}>
-            <div ref={this.valueRef}><ValueRenderer message={this.props.node && this.props.node.message} /></div>
+            <div style={{ width: '100%', textAlign:'right' }}>
+              {this.props.node && this.props.node.message && <i><DateFormatter date={this.props.node.message.received} /></i>}
+            </div>
+            <div ref={this.valueRef}>
+              <ValueRenderer message={this.props.node && this.props.node.message} />
+            </div>
             <div><MessageHistory onSelect={this.handleMessageHistorySelect} node={this.props.node} /></div>
             <Popper open={Boolean(this.state.compareMessage)} anchorEl={this.valueRef.current} placement="left" transition={true}>
               {({ TransitionProps }) => (

app/src/components/Sidebar/ValueRenderer.tsx

@@ -40,6 +40,7 @@ class ValueRenderer extends React.Component<Props, {}> {
         <ReactJson
           style={{ width: '100%' }}
           src={json}
+          name={null}
           theme={theme}
         />
       )
@@ -51,8 +52,7 @@ class ValueRenderer extends React.Component<Props, {}> {
       backgroundColor: 'rgba(80, 80, 80, 0.6)',
       wordBreak: 'break-all',
       width: '100%',
-      overflowX: 'scroll',
-      overflowY: 'clip',
+      overflow: 'auto hidden',
       display: 'block',
       lineHeight: '1.2em',
       padding: '12px 5px 12px 5px',

app/src/components/TitleBar.tsx

@@ -1,14 +1,14 @@
 import * as React from 'react'
-import { connect } from 'react-redux'
-import { bindActionCreators } from 'redux'
 import * as q from '../../../backend/src/Model'
 
 import { AppBar, IconButton, InputBase, Toolbar, Typography } from '@material-ui/core'
-import Search from '@material-ui/icons/Search'
-import Menu from '@material-ui/icons/Menu'
-import { withStyles, StyleRulesCallback } from '@material-ui/core/styles'
-import { fade } from '@material-ui/core/styles/colorManipulator'
+import { StyleRulesCallback, withStyles } from '@material-ui/core/styles'
 
+import Menu from '@material-ui/icons/Menu'
+import Search from '@material-ui/icons/Search'
+import { bindActionCreators } from 'redux'
+import { connect } from 'react-redux'
+import { fade } from '@material-ui/core/styles/colorManipulator'
 import { settingsActions } from '../actions'
 
 const styles: StyleRulesCallback = theme => ({
@@ -87,14 +87,16 @@ class TitleBar extends React.Component<Props, State> {
   public render() {
     const { classes } = this.props
 
-    return <AppBar position="static">
+    return (
+      <AppBar position="static">
         <Toolbar>
           <IconButton className={classes.menuButton} color="inherit" aria-label="Menu" onClick={this.props.actions.toggleSettingsVisibility}>
             <Menu />
           </IconButton>
-          <Typography className={classes.title} variant="h6" color="inherit">MQTT-Xplorer</Typography>
+          <Typography className={classes.title} variant="h6" color="inherit">MQTT-Explorer</Typography>
         </Toolbar>
       </AppBar>
+    )
   }
 
   private renderSearch() {

app/src/components/Tree/Tree.tsx

@@ -9,12 +9,11 @@ import { connect } from 'react-redux'
 
 const MovingAverage = require('moving-average')
 
-declare const performance: any
-declare const window: any
-
 const timeInterval = 10 * 1000
 const average = MovingAverage(timeInterval)
 
+declare var window: any
+
 interface Props {
   autoExpandLimit: number
   didSelectNode?: (node: q.TreeNode) => void
@@ -44,22 +43,26 @@ class Tree extends React.Component<Props, TreeState> {
     return time
   }
 
+  private performanceCallback = (ms: number) => {
+    average.push(Date.now(), ms)
+  }
+
   public throttledStateUpdate(state: any) {
     if (this.updateTimer) {
       return
     }
 
     const expectedRenderTime = average.forecast()
-    const updateInterval = Math.max(expectedRenderTime * 20, 300)
+    const updateInterval = Math.max(expectedRenderTime * 7, 300)
     const timeUntilNextUpdate = updateInterval - (performance.now() - this.lastUpdate)
 
     this.updateTimer = setTimeout(() => {
-      window.requestAnimationFrame(() => {
+      window.requestIdleCallback(() => {
         this.lastUpdate = performance.now()
         this.updateTimer && clearTimeout(this.updateTimer)
         this.updateTimer = undefined
         this.setState(state)
-      })
+      }, { timeout: 500 })
     }, Math.max(0, timeUntilNextUpdate))
   }
 
@@ -104,10 +107,6 @@ class Tree extends React.Component<Props, TreeState> {
       cursor: 'default',
     }
 
-    const performanceCallback = (ms: number) => {
-      average.push(Date.now(), ms)
-    }
-
     return (
       <div style={style}>
         <TreeNode
@@ -120,6 +119,7 @@ class Tree extends React.Component<Props, TreeState> {
           collapsed={false}
           key="rootNode"
           lastUpdate={this.state.tree.lastUpdate}
+          performanceCallback={this.performanceCallback}
         />
       </div>
     )

app/src/components/Tree/TreeNode.tsx

@@ -1,13 +1,15 @@
 import * as React from 'react'
-import { connect } from 'react-redux'
-import { bindActionCreators } from 'redux'
-import { treeActions } from '../../actions'
 import * as q from '../../../../backend/src/Model'
-import { withStyles, Theme } from '@material-ui/core/styles'
 
-import { isElementInViewport } from '../helper/isElementInViewport'
-import TreeNodeTitle from './TreeNodeTitle'
+import { Theme, withStyles } from '@material-ui/core/styles'
+
+import LabelImportant from '@material-ui/icons/LabelImportant'
 import TreeNodeSubnodes from './TreeNodeSubnodes'
+import TreeNodeTitle from './TreeNodeTitle'
+import { bindActionCreators } from 'redux'
+import { connect } from 'react-redux'
+import { isElementInViewport } from '../helper/isElementInViewport'
+import { treeActions } from '../../actions'
 
 declare var performance: any
 
@@ -28,6 +30,12 @@ const styles = (theme: Theme) => {
         backgroundColor: 'rgba(80, 80, 80, 0.35)',
       },
     },
+    topicSelect: {
+      float: 'right' as 'right',
+      opacity: 0,
+      cursor: 'pointer',
+      marginTop: '-1px',
+    },
   }
 }
 
@@ -60,6 +68,7 @@ class TreeNode extends React.Component<Props, State> {
 
   private willUpdateTime: number = performance.now()
   private titleRef = React.createRef<HTMLDivElement>()
+  private topicSelectRef = React.createRef<HTMLDivElement>()
 
   private subnodesDidchange = () => {
     this.dirtySubnodes = true
@@ -119,12 +128,6 @@ class TreeNode extends React.Component<Props, State> {
       const renderTime = performance.now() - this.willUpdateTime
       this.props.performanceCallback(renderTime)
     }
-    // setTimeout(() => {
-    //   this.setState(this.state)
-    // }, 500)
-    // this.addCssAnimation()
-    // setTimeout(this.removeCssAnimation, 500)
-
   }
 
   public componentWillUpdate() {
@@ -145,20 +148,6 @@ class TreeNode extends React.Component<Props, State> {
     return this.props.treeNode.edgeCount() > this.props.autoExpandLimit
   }
 
-  // private addCssAnimation = () => {
-  //   const element = this.titleRef.current
-  //   if ((this.dirtyEdges || this.dirtyMessage || this.dirtySubnodes) && element && isElementInViewport(element)) {
-  //     element.style.animation = 'example 0.5s'
-  //   }
-  // }
-  //
-  // private removeCssAnimation = () => {
-  //   const element = this.titleRef.current
-  //   if (element && element.style.animation) {
-  //     element.style.animation = ''
-  //   }
-  // }
-
   public render() {
     const { classes } = this.props
     const isDirty = this.dirtyEdges || this.dirtyMessage || this.dirtySubnodes
@@ -174,6 +163,8 @@ class TreeNode extends React.Component<Props, State> {
         className={`${classes.node} ${!this.props.isRoot ? classes.hover : ''}`}
         onClick={this.didClickNode}
         style={this.props.style}
+        onMouseOver={this.mouseOver}
+        onMouseOut={this.mouseOut}
       >
         <span ref={this.titleRef} style={animation}>
           <TreeNodeTitle
@@ -183,11 +174,40 @@ class TreeNode extends React.Component<Props, State> {
             lastUpdate={this.props.treeNode.lastUpdate}
           />
         </span>
+        <div
+          className={this.props.classes.topicSelect}
+          ref={this.topicSelectRef}
+          onClick={this.didSelectNode}
+          title="Select topic"
+        >
+          <LabelImportant style={{ fontSize: '14px' }} />
+        </div>
         {this.renderNodes()}
       </div>
     )
   }
 
+  private mouseOver = (event: React.MouseEvent) => {
+    event.stopPropagation()
+    if (this.topicSelectRef.current) {
+      this.topicSelectRef.current.style.opacity = '1'
+    }
+  }
+  private mouseOut = (event: React.MouseEvent) => {
+    event.stopPropagation()
+    if (this.topicSelectRef.current) {
+      this.topicSelectRef.current.style.opacity = '0'
+    }
+  }
+
+  private didSelectNode = (event: React.MouseEvent) => {
+    event.stopPropagation()
+    if (this.topicSelectRef.current) {
+      this.topicSelectRef.current.style.opacity = '1'
+    }
+    this.props.actions.selectTopic(this.props.treeNode)
+  }
+
   private didClickNode = (event: React.MouseEvent) => {
     event.stopPropagation()
     this.toggle()

backend/src/DataSource/DataSourceState.ts

@@ -3,7 +3,7 @@ import { EventDispatcher } from '../../../events'
 export interface DataSourceState {
   connecting: boolean
   connected: boolean
-  error?: Error
+  error?: string
 }
 
 export class DataSourceStateMachine {
@@ -25,7 +25,7 @@ export class DataSourceStateMachine {
 
   public setError(error: Error) {
     this.state = {
-      error,
+      error: error.message,
       connected: false,
       connecting: false,
     }

backend/src/DataSource/MqttSource.ts

@@ -1,6 +1,7 @@
+import * as Url from 'url'
+
 import { Client, connect as mqttConnect } from 'mqtt'
 import { DataSource, DataSourceStateMachine } from './'
-import * as Url from 'url'
 
 export interface MqttOptions {
   url: string
@@ -36,6 +37,8 @@ export class MqttSource implements DataSource<MqttOptions> {
     const client = mqttConnect(url, {
       resubscribe: false,
       rejectUnauthorized: !options.certValidation,
+      username: options.username,
+      password: options.password,
     })
 
     this.client = client

backend/src/Model/TreeNodeFactory.ts

@@ -5,7 +5,7 @@ interface HasLength {
 }
 
 export abstract class TreeNodeFactory {
-  public static fromEdgesAndValue<T extends HasLength>(edgeNames: string[], value: T): TreeNode {
+  public static fromEdgesAndValue<T extends HasLength>(edgeNames: string[], value?: T): TreeNode {
     let currentNode: TreeNode = new Tree()
     for (const edgeName of edgeNames) {
       const edge = new Edge(edgeName)
@@ -17,7 +17,7 @@ export abstract class TreeNodeFactory {
 
     currentNode.setMessage({
       value,
-      length: value.length,
+      length: value ? value.length : 0,
       received: new Date(),
     })
     return currentNode

backend/src/Model/spec/Edge.spec.ts

@@ -1,7 +1,9 @@
-import { Edge, TreeNode, TreeNodeFactory } from '../'
-import { expect } from 'chai'
 import 'mocha'
 
+import { Edge, TreeNode, TreeNodeFactory } from '../'
+
+import { expect } from 'chai'
+
 describe('Edge', () => {
   it('should contain a name', () => {
     const e = new Edge('foo')
@@ -10,7 +12,7 @@ describe('Edge', () => {
 
   it('firstEdge should retireve the first edge', () => {
     const topics = 'foo/bar/baz'.split('/')
-    const leaf = TreeNodeFactory.fromEdgesAndValue(topics, 5)
+    const leaf = TreeNodeFactory.fromEdgesAndValue(topics, undefined)
     const bazEdge = leaf.sourceEdge
 
     if (!bazEdge) {
@@ -35,10 +37,10 @@ describe('Edge', () => {
 
   it('hash should include change if parents are different', () => {
     const topics1 = 'foo/bar/baz'.split('/')
-    const bazEdge1 = TreeNodeFactory.fromEdgesAndValue(topics1, 5).sourceEdge
+    const bazEdge1 = TreeNodeFactory.fromEdgesAndValue(topics1, undefined).sourceEdge
 
     const topics2 = 'foo/foo/baz'.split('/')
-    const bazEdge2 = TreeNodeFactory.fromEdgesAndValue(topics2, 5).sourceEdge
+    const bazEdge2 = TreeNodeFactory.fromEdgesAndValue(topics2, undefined).sourceEdge
 
     if (!bazEdge1 || !bazEdge2) {
       throw Error('should not happen')

backend/src/Model/spec/Tree.spec.ts

@@ -1,15 +1,16 @@
-import { Tree, TreeNodeFactory } from '../'
-import { expect } from 'chai'
 import 'mocha'
-
 import './TreeNode.findNode'
 
+import { Tree, TreeNodeFactory } from '../'
+
+import { expect } from 'chai'
+
 describe('Tree', () => {
   it('node can be merged into a tree', () => {
     const tree = new Tree()
 
     const topics = 'foo/bar'.split('/')
-    const leaf = TreeNodeFactory.fromEdgesAndValue(topics, 3)
+    const leaf = TreeNodeFactory.fromEdgesAndValue(topics, undefined)
 
     tree.updateWithNode(leaf.firstNode())
     const expectedNode = tree.findNode('foo/bar')

backend/src/Model/spec/TreeNode.findNode.spec.ts

@@ -1,13 +1,13 @@
+import 'mocha'
+import './TreeNode.findNode'
+
 import { TreeNodeFactory } from '../'
 import { expect } from 'chai'
-import 'mocha'
-
-import './TreeNode.findNode'
 
 describe('TreeNode.findNode', () => {
   it('findNode should retrieve node', () => {
     const topics = 'foo/bar/baz'.split('/')
-    const leaf = TreeNodeFactory.fromEdgesAndValue(topics, 5)
+    const leaf = TreeNodeFactory.fromEdgesAndValue(topics, undefined)
 
     const root = leaf.firstNode()
     expect(root.sourceEdge).to.eq(undefined)

backend/src/Model/spec/TreeNode.spec.ts

@@ -1,52 +1,53 @@
-import { TreeNodeFactory } from  '../'
 import './TreeNode.findNode'
-import { expect } from 'chai'
 import 'mocha'
 
+import { TreeNodeFactory } from  '../'
+import { expect } from 'chai'
+
 describe('TreeNode', () => {
   it('firstNode should retrieve first node', () => {
     const topics = 'foo/bar'.split('/')
-    const leaf = TreeNodeFactory.fromEdgesAndValue(topics, 3)
+    const leaf = TreeNodeFactory.fromEdgesAndValue(topics, undefined)
 
     expect(leaf.firstNode().edges['foo']).to.not.eq(undefined)
   })
 
   it('updateWithNode should update value', () => {
     const topics = 'foo/bar'.split('/')
-    const leaf = TreeNodeFactory.fromEdgesAndValue(topics, 3)
-    expect(leaf.message && leaf.message.value).to.eq(3)
-    const updateLeave = TreeNodeFactory.fromEdgesAndValue(topics, 5)
+    const leaf = TreeNodeFactory.fromEdgesAndValue(topics, '3')
+    expect(leaf.message && leaf.message.value).to.eq('3')
+    const updateLeave = TreeNodeFactory.fromEdgesAndValue(topics, '5')
 
     const root = leaf.firstNode()
     root.updateWithNode(updateLeave.firstNode())
 
     expect(root.sourceEdge).to.eq(undefined)
-    expect(leaf.message && leaf.message.value).to.eq(5)
+    expect(leaf.message && leaf.message.value).to.eq('5')
   })
 
   it('updateWithNode should update intermediate nodes', () => {
     const topics1 = 'foo/bar/baz'.split('/')
-    const leaf = TreeNodeFactory.fromEdgesAndValue(topics1, 3)
-    expect(leaf.message && leaf.message.value).to.eq(3)
+    const leaf = TreeNodeFactory.fromEdgesAndValue(topics1, '3')
+    expect(leaf.message && leaf.message.value).to.eq('3')
 
     const topics2 = 'foo/bar'.split('/')
-    const updateLeave = TreeNodeFactory.fromEdgesAndValue(topics2, 5)
+    const updateLeave = TreeNodeFactory.fromEdgesAndValue(topics2, '5')
     leaf.firstNode().updateWithNode(updateLeave.firstNode())
 
     const barNode = leaf.firstNode().findNode('foo/bar')
     expect(barNode && barNode.sourceEdge && barNode.sourceEdge.name).to.eq('bar')
-    expect(barNode && barNode.message && barNode.message.value).to.eq(5)
+    expect(barNode && barNode.message && barNode.message.value).to.eq('5')
 
     expect(leaf.sourceEdge && leaf.sourceEdge.name).to.eq('baz')
-    expect(leaf.message && leaf.message.value).to.eq(3)
+    expect(leaf.message && leaf.message.value).to.eq('3')
   })
 
   it('updateWithNode should add nodes to the tree', () => {
     const topics1 = 'foo/bar'.split('/')
-    const leaf1 = TreeNodeFactory.fromEdgesAndValue(topics1, 3)
+    const leaf1 = TreeNodeFactory.fromEdgesAndValue(topics1, undefined)
 
     const topics2 = 'foo/bar/baz'.split('/')
-    const leaf2 = TreeNodeFactory.fromEdgesAndValue(topics2, 5)
+    const leaf2 = TreeNodeFactory.fromEdgesAndValue(topics2, undefined)
 
     leaf1.firstNode().updateWithNode(leaf2.firstNode())
 

backend/src/Model/spec/TreeNodeFactory.spec.ts

@@ -1,13 +1,14 @@
-import { TreeNodeFactory } from '../'
-import { expect } from 'chai'
 import 'mocha'
 import './TreeNode.findNode'
 
+import { TreeNodeFactory } from '../'
+import { expect } from 'chai'
+
 describe('TreeNodeFactory', () => {
   it('root node must not have a sourceEdge', () => {
     const topic = 'foo/bar'
     const edges = topic.split('/')
-    const leaf = TreeNodeFactory.fromEdgesAndValue(edges, 5)
+    const leaf = TreeNodeFactory.fromEdgesAndValue(edges, undefined)
 
     expect(leaf.firstNode().sourceEdge).to.eq(undefined)
   })
@@ -15,7 +16,7 @@ describe('TreeNodeFactory', () => {
   it('should create node', () => {
     const topic = 'foo/bar'
     const edges = topic.split('/')
-    const node = TreeNodeFactory.fromEdgesAndValue(edges, 5)
+    const node = TreeNodeFactory.fromEdgesAndValue(edges, '5')
 
     if (!node.sourceEdge || !node.sourceEdge.source || !node.message) {
       expect.fail('should not happen')
@@ -24,7 +25,7 @@ describe('TreeNodeFactory', () => {
 
     expect(node).to.not.eq(undefined)
     expect(node.sourceEdge.name).to.eq('bar')
-    expect(node.message.value).to.eq(5)
+    expect(node.message.value).to.eq('5')
 
     const foo = node.firstNode().findNode('foo')
     expect(foo && foo.sourceEdge && foo.sourceEdge.name).to.eq('foo')
@@ -33,14 +34,14 @@ describe('TreeNodeFactory', () => {
   it('node should contain edges in order', () => {
     const topic = 'foo/bar/baz'
     const edges = topic.split('/')
-    const node = TreeNodeFactory.fromEdgesAndValue(edges, 5)
+    const node = TreeNodeFactory.fromEdgesAndValue(edges, '5')
 
     if (!node.sourceEdge || !node.sourceEdge.source || !node.message) {
       expect.fail('should not happen')
       return
     }
 
-    expect(node.message.value).to.eq(5)
+    expect(node.message.value).to.eq('5')
     expect(node.sourceEdge.name).to.eq('baz')
 
     const barNode = node.sourceEdge.source

backend/src/index.ts

@@ -57,6 +57,11 @@ export class ConnectionManager {
     connection.disconnect()
     delete this.connections[hash]
   }
+
+  public closeAllConnections() {
+    Object.keys(this.connections)
+      .forEach(hash => this.removeConnection(hash))
+  }
 }
 
 class UpdateNotifier {

electron.js

@@ -2,6 +2,9 @@ const { app, BrowserWindow } = require('electron')
 const { autoUpdater } = require("electron-updater")
 const log = require('electron-log');
 const { ConnectionManager, updateNotifier } = require('./backend/build/backend/src/index.js')
+const fs = require('fs')
+const path = require('path')
+require('electron-debug')({enabled: process.argv[2] === '--debug'});
 
 autoUpdater.logger = log;
 autoUpdater.logger.transports.file.level = 'info';
@@ -15,20 +18,25 @@ connectionManager.manageConnections()
 let mainWindow
 
 function createWindow () {
+  const icon = path.join(__dirname, 'icon.png')
   // Create the browser window.
   mainWindow = new BrowserWindow({
     width: 1024,
     height: 700,
     webPreferences: {
       nodeIntegration: true
-    }
+    },
+    icon
   })
 
+  console.log(icon)
   // and load the index.html of the app.
   mainWindow.loadFile('app/index.html')
 
-  // Open the DevTools.
-  // mainWindow.webContents.openDevTools()
+  // Emitted when the window is closed.
+  mainWindow.on('close', function () {
+    connectionManager.closeAllConnections()
+  })
 
   // Emitted when the window is closed.
   mainWindow.on('closed', function () {
@@ -48,10 +56,13 @@ app.on('ready', () => {
 
   let updateInfo
   autoUpdater.on('update-available', (info) => {
+    console.log('there is an update')
     updateInfo = info
   })
 
   autoUpdater.on('error', () => {
+    console.log('could not update due to error')
+
     if (updateInfo) {
       updateNotifier.notify(updateInfo)
     }

events/EventBus.ts

@@ -28,7 +28,9 @@ class IpcMainEventBus implements EventBusInterface {
   }
 
   public emit<MessageType>(event: Event<MessageType>, msg: MessageType) {
-    this.client.send(event.topic, msg)
+    if (!this.client.isDestroyed()) {
+      this.client.send(event.topic, msg)
+    }
   }
 }
 

package-with-docker.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+docker run --rm -ti \
+ --env-file <(env | grep -iE 'DEBUG|NODE_|ELECTRON_|YARN_|NPM_|CI|CIRCLE|TRAVIS|APPVEYOR_|CSC_|_TOKEN|_KEY|AWS_|STRIP|BUILD_') \
+ --env ELECTRON_CACHE="/root/.cache/electron" \
+ --env ELECTRON_BUILDER_CACHE="/root/.cache/electron-builder" \
+ -v ${PWD}:/project \
+ -v ~/.cache/electron:/root/.cache/electron \
+ -v ~/.cache/electron-builder:/root/.cache/electron-builder \
+ electronuserland/builder:wine node_modules/.bin/ts-node package.ts $@

package.json

@@ -1,6 +1,6 @@
 {
   "name": "MQTT-Explorer",
-  "version": "0.0.3",
+  "version": "0.0.7",
   "description": "Explore your message queues",
   "main": "electron.js",
   "scripts": {
@@ -10,7 +10,8 @@
     "build": "cd app; npm run build; cd ..; cd backend; npm run build; cd ..",
     "test-backend": "cd backend && npm run test && cd ..",
     "prepare-release": "./prepare-release.sh",
-    "package": "ts-node package.ts"
+    "package": "ts-node package.ts",
+    "package-with-docker": "./package-with-docker.sh"
   },
   "repository": {
     "type": "git",
@@ -40,25 +41,29 @@
   "homepage": "https://github.com",
   "license": "ISC",
   "devDependencies": {
+    "@types/chai": "^4.1.7",
+    "@types/mocha": "^5.2.5",
+    "@types/mustache": "^0.8.32",
+    "@types/node": "^10.12.18",
+    "@types/sha1": "^1.1.1",
+    "@types/socket.io": "^2.1.2",
+    "axios": "^0.18.0",
+    "chai": "^4.2.0",
     "electron": "^4.0.0",
     "electron-builder": "^20.38.4",
+    "mocha": "^5.2.0",
+    "mustache": "^3.0.1",
+    "nyc": "^13.1.0",
+    "source-map-support": "^0.5.9",
     "ts-node": "^7.0.1",
     "tslint": "^5.12.0",
     "tslint-config-airbnb": "^5.11.1",
     "tslint-react": "^3.6.0",
-    "typescript": "^3.2.2",
-    "@types/chai": "^4.1.7",
-    "@types/mocha": "^5.2.5",
-    "@types/node": "^10.12.18",
-    "@types/sha1": "^1.1.1",
-    "@types/socket.io": "^2.1.2",
-    "chai": "^4.2.0",
-    "mocha": "^5.2.0",
-    "nyc": "^13.1.0",
-    "source-map-support": "^0.5.9",
-    "tslint-strict-null-checks": "^1.0.1"
+    "tslint-strict-null-checks": "^1.0.1",
+    "typescript": "^3.2.2"
   },
   "dependencies": {
+    "electron-debug": "^2.0.0",
     "electron-log": "^2.2.17",
     "electron-updater": "^4.0.6",
     "mqtt": "^2.18.8",

package.ts

@@ -5,9 +5,19 @@ const linux: builder.CliOptions = {
   ia32: true,
   armv7l: true,
   arm64: true,
-  linux: ['AppImage', 'deb', 'snap'],
+  linux: ['AppImage'],
   projectDir: './build/clean',
-  publish: 'onTag',
+  publish: 'always',
+}
+
+const linuxSnap: builder.CliOptions = {
+  x64: true,
+  ia32: false,
+  armv7l: false,
+  arm64: false,
+  linux: ['snap'],
+  projectDir: './build/clean',
+  publish: 'always',
 }
 
 const win: builder.CliOptions = {
@@ -17,7 +27,7 @@ const win: builder.CliOptions = {
   arm64: false,
   win: ['portable', 'nsis'],
   projectDir: './build/clean',
-  publish: 'onTag',
+  publish: 'always',
 }
 
 const mac: builder.CliOptions = {
@@ -27,10 +37,10 @@ const mac: builder.CliOptions = {
   arm64: false,
   mac: ['dmg'],
   projectDir: './build/clean',
-  publish: 'onTag',
+  publish: 'always',
 }
 
-async function buildAll() {
+async function executeBuild() {
   console.log(process.argv[2])
   switch (process.argv[2]) {
     case 'win':
@@ -39,6 +49,13 @@ async function buildAll() {
     case 'linux':
       await builder.build(linux)
       break
+    case 'snap':
+      try {
+        await builder.build(linuxSnap)
+      } catch {
+        // ignore
+      }
+      break
     case 'mac':
       await builder.build(mac)
       break
@@ -47,4 +64,13 @@ async function buildAll() {
   }
 }
 
-buildAll()
+function build() {
+  try {
+    executeBuild()
+  } catch (error) {
+    console.error(error)
+    process.exit(1)
+  }
+}
+
+build()

prepare-release.sh

@@ -26,13 +26,3 @@ cd ..
 npm run build
 rm -rf app/node_modules
 cd "$ORIGINAL_DIR"
-
-exit 0
-docker run --rm -ti \
- --env ELECTRON_CACHE="/root/.cache/electron" \
- --env ELECTRON_BUILDER_CACHE="/root/.cache/electron-builder" \
- --env GH_TOKEN="$GH_TOKEN" \
- -v ${PWD}:/project \
- -v ~/.cache/electron:/root/.cache/electron \
- -v ~/.cache/electron-builder:/root/.cache/electron-builder \
- electronuserland/builder:wine node_modules/.bin/ts-node build.ts

updateReadme.ts

@@ -0,0 +1,64 @@
+import * as mustache from 'mustache'
+
+import { readFileSync, writeFileSync } from 'fs'
+
+import axios from 'axios'
+
+interface Release {
+  name: string
+  assets: Asset[]
+}
+
+interface Asset {
+  name: string
+  browser_download_url: string
+}
+
+function createUrl(title: string, path: string) {
+  return `[${title}](${path})`
+}
+
+function fileExtension(file: string): string {
+  const match = file.match(/\.([a-zA-Z]+)$/)
+
+  return (match && match[1]) || ''
+}
+
+async function createReadme(): Promise<void> {
+  const release: Release = (await axios.get('https://api.github.com/repos/thomasnordquist/mqtt-explorer/releases/latest')).data
+
+  const linux64 = release.assets.filter(asset => /(x86_64|amd64)\.(AppImage|deb|rpm)$/.test(asset.name))
+  const windowsInstaller = release.assets.find(asset => /Setup-.+\.exe$/.test(asset.name))
+  const windowsPortable = release.assets.find(asset => /-(?!Setup).+\.exe$/.test(asset.name))
+  const macDmg = release.assets.find(asset => /\.dmg$/.test(asset.name))
+
+  if (linux64.length === 0 || !windowsInstaller || !windowsPortable || !macDmg) {
+    console.error('failed retrieving')
+    process.exit(1)
+    return
+  }
+
+  const linuxTargets = linux64
+    .map(item => createUrl(fileExtension(item.browser_download_url), item.browser_download_url))
+    .join(', ')
+
+  const windowsTargets = [
+    createUrl('portable', windowsPortable.browser_download_url),
+    createUrl('installer', windowsInstaller.browser_download_url),
+  ].join(', ')
+
+  const macTargets = [
+    createUrl('dmg', macDmg.browser_download_url),
+  ].join(', ')
+
+  const template = readFileSync('./Readme.tpl.md').toString()
+  const rendered = mustache.render(template, {
+    linuxTargets,
+    windowsTargets,
+    macTargets,
+    version: release.name,
+  })
+  writeFileSync('./Readme.md', rendered)
+}
+
+createReadme()