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How to use stateRef method in storybook-root

Best JavaScript code snippet using storybook-root

StudyDetail.js

Source:StudyDetail.js

1import React, { useEffect, useState, useRef, useContext } from "react";2import { useHistory } from "react-router-dom";3import { FullScreen, useFullScreenHandle } from "react-full-screen";4import { Modal, Tooltip, Grid, Typography, Box } from "@material-ui/core";5import IconButton from "@material-ui/core/IconButton";6import MenuIcon from "@material-ui/icons/Menu";7import PlayArrowIcon from "@material-ui/icons/PlayArrow";8import PauseIcon from "@material-ui/icons/Pause";9import FastForwardIcon from "@material-ui/icons/FastForward";10import FastRewindIcon from "@material-ui/icons/FastRewind";11import FullscreenIcon from "@material-ui/icons/Fullscreen";12import RedoIcon from "@material-ui/icons/Redo";13import UndoIcon from "@material-ui/icons/Undo";14import Save from "@material-ui/icons/Save";15import AssessmentIcon from "@material-ui/icons/Assessment";16import { MessagedProgress } from "../MessagedProgress";17import Plots from "./Plots";18import ChannelDataList from "../../models/ChannelDataList";19import TimeRange from "../../models/TimeRange";20import { XAxis } from "./XAxis";21import { TimeNavigation } from "./TimeNavigation";22import ServerClient from "../../models/ServerClient";23import PropertyMenu from "./PropertyMenu";24import StorageUtility, { PlotPropertyName } from "../../models/StorageUtility";25import { debounce } from "../../models/Utilities";26import PSGScoring from "../../models/PSGScoring";27import { DataGrid, Watermark } from "@material-ui/data-grid";28import PSGScoreReport from "./PSGScoreReport";29import { UserContext } from "../UserContext";30import { Opacity } from "@material-ui/icons";31const epochDuration = 30;32const columns = [33  {34    field: "id",35    headerName: "ID",36    flex: 0.05,37    type: "string",38    hide: true,39    filterable: false,40    sortable: false,41    align: "center",42    headerAlign: "center",43  },44  {45    field: "time",46    headerName: "Time",47    width: 90,48    type: "string",49    hide: false,50    filterable: false,51    sortable: false,52    align: "center",53    headerAlign: "center",54    renderCell: (params) => (55      <Tooltip title={new Date(params.value * 1000).toLocaleString()}>56        <span>{new Date(params.value * 1000).toLocaleTimeString()}</span>57      </Tooltip>58    ),59  },60  {61    field: "comment",62    headerName: "Annotation",63    flex: 0.5,64    type: "string",65    hide: false,66    filterable: false,67    sortable: false,68    align: "left",69    headerAlign: "center",70    renderCell: (params) => (71      <Tooltip title={params.row.channel + ": " + params.value}>72        <span>{params.value}</span>73      </Tooltip>74    ),75  },76];77export function StudyDetail() {78  const history = useHistory();79  const { sessionInfo, setSessionInfo } = useContext(UserContext);80  const studyInfo = history.location.state;81  const [state, setState] = useState({82    dataTimeRange: new TimeRange([83      studyInfo.startTime,84      studyInfo.endTime ? studyInfo.endTime : Date.now() / 1000,85    ]),86    displayTimeRange: new TimeRange([87      studyInfo.startTime,88      studyInfo.startTime +89        StorageUtility.getPlotProperty(PlotPropertyName.displayInterval),90    ]),91    displayInterval: StorageUtility.getPlotProperty(92      PlotPropertyName.displayInterval93    ),94    sliderValue: 0,95    resizeCount: 0,96    dataList: studyInfo.dataList,97    errorMessage: "",98    refreshPlots: true,99    hasFetchedAllData: studyInfo.dataList ? true : false,100    isLiveData: studyInfo.isLiveData,101    openMenu: false,102    openReport: false,103    enablePSGScoring: false,104    playingSpeed:105      -1 * StorageUtility.getPlotProperty(PlotPropertyName.playingSpeed),106  });107  const stateRef = useRef({});108  stateRef.current = state;109  const handleMenuClick = () => {110    setState({111      ...stateRef.current,112      openMenu: true,113      refreshPlots: false,114    });115  };116  const handleMenuClose = () => {117    setState({118      ...stateRef.current,119      openMenu: false,120      refreshPlots: false,121    });122  };123  const handleIntervalChange = (event) => {124    let newValue = event.target.value;125    StorageUtility.updatePlotProperty(126      PlotPropertyName.displayInterval,127      newValue128    );129    updateDisplayInterval(newValue);130  };131  const handleSliderChange = (event, newValue) => {132    if (event !== null) {133      event.stopPropagation();134    }135    console.log("Handling slider change: " + newValue);136    if (newValue === stateRef.current.sliderValue) {137      return;138    } else if (newValue >= stateRef.current.dataTimeRange.duration) {139      setState({140        ...stateRef.current,141        refreshPlots: true,142      });143      return;144    } else if (145      stateRef.current.dataList &&146      stateRef.current.dataList.timeRange.duration >147        stateRef.current.displayInterval148    ) {149      let sliderValue = Math.min(150        Math.max(151          newValue,152          stateRef.current.dataList.timeRange.startTime -153            stateRef.current.dataTimeRange.startTime154        ),155        stateRef.current.dataList.timeRange.endTime -156          stateRef.current.dataTimeRange.startTime -157          stateRef.current.displayInterval * 0158      );159      let displayTimeRange = new TimeRange([160        stateRef.current.dataTimeRange.startTime + sliderValue,161        stateRef.current.dataTimeRange.startTime +162          sliderValue +163          stateRef.current.displayInterval,164      ]);165      setState({166        ...stateRef.current,167        sliderValue: sliderValue,168        displayTimeRange: displayTimeRange,169        refreshPlots: true,170      });171      if (sliderValue < newValue && stateRef.current.playingSpeed > 0) {172        handlePlayPause();173      }174    }175  };176  function play() {177    if (stateRef.current.playingSpeed > 0) {178      let timeout = 10;179      if (stateRef.current.playingSpeed < 0.4) {180        timeout = 2000;181      } else if (stateRef.current.playingSpeed < 2.5) {182        timeout = 1000;183      } else if (stateRef.current.playingSpeed < 5) {184        timeout = 500;185      }186      let moveIntervalFraction = 1;187      if (stateRef.current.playingSpeed < 0.2) {188        moveIntervalFraction = 1 / 30;189      } else if (stateRef.current.playingSpeed < 0.4) {190        moveIntervalFraction = 1 / 15;191      } else if (stateRef.current.playingSpeed < 0.6) {192        moveIntervalFraction = 1 / 6;193      } else if (stateRef.current.playingSpeed < 1.2) {194        moveIntervalFraction = 1 / 3;195      }196      Math.min(2000, 1000 / stateRef.current.playingSpeed);197      const moveInterval =198        moveIntervalFraction * stateRef.current.displayInterval;199      handleSliderChange(null, stateRef.current.sliderValue + moveInterval);200      setTimeout(() => {201        play(timeout);202      }, timeout);203    }204  }205  const handleFastRewind = () => {206    if (stateRef.current.playingSpeed > 0) {207      StorageUtility.updatePlotProperty(208        PlotPropertyName.playingSpeed,209        stateRef.current.playingSpeed / 2210      );211      setState({212        ...stateRef.current,213        playingSpeed: stateRef.current.playingSpeed / 2,214      });215    } else {216      handleSliderChange(217        null,218        stateRef.current.sliderValue - 2 * stateRef.current.displayInterval219      );220    }221  };222  const handlePlayPause = () => {223    setState({224      ...stateRef.current,225      playingSpeed: -stateRef.current.playingSpeed,226    });227    setTimeout(() => {228      play();229    }, 500);230  };231  const handleFastForward = () => {232    if (stateRef.current.playingSpeed > 0) {233      StorageUtility.updatePlotProperty(234        PlotPropertyName.playingSpeed,235        stateRef.current.playingSpeed * 2236      );237      setState({238        ...stateRef.current,239        playingSpeed: stateRef.current.playingSpeed * 2,240      });241    } else {242      handleSliderChange(243        null,244        stateRef.current.sliderValue + 2 * stateRef.current.displayInterval245      );246    }247  };248  const handleChannelCheckboxChange = (channelName) => (event) => {249    StorageUtility.updateChannelProperty(250      channelName,251      "visible",252      event.target.checked253    );254    setState({255      ...stateRef.current,256      refreshPlots: true,257    });258  };259  const handleBackgroundColorChange = (newColor) => {260    StorageUtility.updatePlotProperty(261      PlotPropertyName.backgroundColor,262      newColor263    );264    setState({265      ...stateRef.current,266      refreshPlots: true,267    });268  };269  const handleShowGridChange = (event) => {270    StorageUtility.updatePlotProperty(271      PlotPropertyName.showGrid,272      event.target.checked273    );274    setState({275      ...stateRef.current,276      refreshPlots: true,277    });278  };279  const handleShowChannelScaleChange = (event) => {280    StorageUtility.updatePlotProperty(281      PlotPropertyName.showChannelScale,282      event.target.checked283    );284    setState({285      ...stateRef.current,286      refreshPlots: true,287    });288  };289  const handleShowCommentWindowChange = (event) => {290    StorageUtility.updatePlotProperty(291      PlotPropertyName.showCommentWindow,292      event.target.checked293    );294    setState({295      ...stateRef.current,296      refreshPlots: true,297    });298  };299  const handleShowChannelLabelChange = (event) => {300    StorageUtility.updatePlotProperty(301      PlotPropertyName.showChannelLabel,302      event.target.checked303    );304    setState({305      ...stateRef.current,306      refreshPlots: true,307    });308  };309  const handlePreferenceChange = () => {310    const displayInterval = StorageUtility.getPlotProperty(311      PlotPropertyName.displayInterval312    );313    updateDisplayInterval(displayInterval);314  };315  const handleWatermarkChange = (watermark) => (event) => {316    let currentWatermark = StorageUtility.getPlotProperty(317      PlotPropertyName.watermark318    );319    if (event.target.checked) {320      currentWatermark += watermark;321    } else {322      currentWatermark = currentWatermark.replace(watermark, "");323    }324    StorageUtility.updatePlotProperty(325      PlotPropertyName.watermark,326      currentWatermark327    );328    setState({329      ...stateRef.current,330      refreshPlots: true,331    });332  };333  const handlePSGScoringChange = (userID) => (event) => {334    if (event.target.checked) {335      stateRef.current.dataList.initializeNewScore(336        userID,337        studyInfo.dataIDs[0],338        new TimeRange([studyInfo.startTime, studyInfo.endTime])339      );340    }341    setState({342      ...stateRef.current,343      enablePSGScoring: event.target.checked,344      refreshPlots: true,345    });346  };347  const handleRespiratoryChannelChange = (event) => {348    StorageUtility.updatePlotProperty(349      PlotPropertyName.respiratoryChannel,350      event.target.value351    );352    setState({353      ...stateRef.current,354      refreshPlots: true,355    });356  };357  const handleChannelLabelFontSizeChange = (event) => {358    StorageUtility.updatePlotProperty(359      PlotPropertyName.channelLabelFontSize,360      event.target.value361    );362    setState({363      ...stateRef.current,364      refreshPlots: true,365    });366  };367  const handleCommentWindowDoubleClick = (event) => {368    console.log(event);369    let sliderValue =370      stateRef.current.displayInterval *371      Math.floor(372        (event.row.time - stateRef.current.dataTimeRange.startTime) /373          stateRef.current.displayInterval374      );375    handleSliderChange(null, sliderValue);376  };377  const handleRefreshPlots = (channelName) => {378    setState({379      ...stateRef.current,380      refreshPlots: true,381    });382  };383  const handleEpochClick = (deltaEpoch) => {384    const moveStep = 30;385    if (deltaEpoch !== 0) {386      handleSliderChange(387        null,388        Math.floor(stateRef.current.sliderValue / moveStep) * moveStep +389          deltaEpoch * moveStep390      );391    }392  };393  const handleKeydown = (e) => {394    e.stopPropagation();395    let moveStep = 30;396    if (stateRef.current.enablePSGScoring) {397      const epochNumber =398        Math.ceil(stateRef.current.sliderValue / epochDuration) + 1;399      switch (e.key) {400        case "0":401        case "w":402        case "W":403          stateRef.current.dataList.PSGScores.updateStage(epochNumber, 0);404          break;405        case "1":406          stateRef.current.dataList.PSGScores.updateStage(epochNumber, 2);407          break;408        case "2":409          stateRef.current.dataList.PSGScores.updateStage(epochNumber, 3);410          break;411        case "3":412        case "4":413          stateRef.current.dataList.PSGScores.updateStage(epochNumber, 4);414          break;415        case "r":416        case "R":417          stateRef.current.dataList.PSGScores.updateStage(epochNumber, 1);418          break;419        default:420          moveStep = 0;421          break;422      }423    } else {424      moveStep = 0;425    }426    if (!e.path || !e.path[0].className.includes("MuiSlider")) {427      switch (e.key) {428        case "ArrowRight":429          if (e.shiftKey || e.ctrlKey) {430            moveStep = stateRef.current.displayInterval / 2;431          } else {432            moveStep = stateRef.current.displayInterval;433          }434          break;435        case "ArrowLeft":436          if (e.shiftKey || e.ctrlKey) {437            moveStep = -stateRef.current.displayInterval / 2;438          } else {439            moveStep = -stateRef.current.displayInterval;440          }441          break;442        default:443          break;444      }445    }446    if (moveStep !== 0) {447      handleSliderChange(448        null,449        Math.floor(stateRef.current.sliderValue / moveStep) * moveStep +450          moveStep451      );452    }453  };454  const handleSaveScoring = (event) => {455    state.dataList.PSGScores.isDirty = false;456    ServerClient.savePSGScores(state.dataList.PSGScores.getDataChunks());457  };458  const handleClearAll = (event) => {459    state.dataList.PSGScores.clearAllEvents();460    moveToEpoch(1);461  };462  const handleViewScoringReport = (event) => {463    console.log(event);464    setState({465      ...stateRef.current,466      openReport: true,467    });468  };469  const handleReportClose = (event) => {470    setState({471      ...stateRef.current,472      openReport: false,473    });474  };475  const handleUndoScoring = (event) => {476    const epoch = state.dataList.PSGScores.undo();477    moveToEpoch(epoch);478  };479  const handleRedoScoring = (event) => {480    const epoch = state.dataList.PSGScores.redo();481    moveToEpoch(epoch);482  };483  function moveToEpoch(epoch) {484    const newSliderValue = (epoch - 1) * epochDuration;485    if (epoch && newSliderValue !== stateRef.current.sliderValue) {486      handleSliderChange(null, newSliderValue);487    } else {488      setState({489        ...stateRef.current,490        refreshPlots: true,491      });492    }493  }494  useEffect(() => {495    const debounceResizeHandler = debounce(() => {496      setState({497        ...stateRef.current,498        resizeCount: state.resizeCount + 1,499        refreshPlots: true,500      });501    }, 250);502    document.addEventListener("keyup", handleKeydown);503    window.addEventListener("resize", debounceResizeHandler);504    fetchData(true);505    return () => {506      document.removeEventListener("keyup", handleKeydown);507      window.removeEventListener("resize", debounceResizeHandler);508    };509  }, []);510  const fullScreenHandle = useFullScreenHandle();511  if (state.dataList) {512    let displayDataList = {};513    if (state.displayTimeRange.duration === 0) {514      updateDisplayInterval(state.displayInterval);515    }516    if (state.refreshPlots) {517      console.log("getData called.");518      displayDataList = state.dataList.getData(519        state.displayTimeRange,520        window.innerWidth521      );522    }523    let progressBarValue =524      (100 * state.dataList.timeRange.duration) / state.dataTimeRange.duration;525    if (state.dataList.timeRange.startTime > state.dataTimeRange.startTime) {526      progressBarValue = 200 - progressBarValue;527    } else if (state.isLiveData && progressBarValue > 98) {528      progressBarValue = 98;529    }530    const sliderMax = state.dataTimeRange.duration - state.displayInterval;531    const plotProperties = StorageUtility.getPlotProperties();532    const timeNavigationWidth = window.innerWidth - 260;533    const buttonIconMarginTop = state.enablePSGScoring ? -15 : -25;534    const epochNumber =535      Math.ceil(stateRef.current.sliderValue / epochDuration) + 1;536    const comments = state.dataList.comments;537    let width = window.innerWidth;538    if (plotProperties.showCommentWindow) {539      width = (window.innerWidth * 5.0) / 6;540    }541    return (542      <FullScreen handle={fullScreenHandle}>543        <div544          style={{545            width: "100%",546            margin: "auto",547            marginTop: 10,548            background: "white",549          }}550        >551          <Grid container>552            <Grid item xs={plotProperties.showCommentWindow ? 10 : 12}>553              <Plots554                dataList={displayDataList}555                refreshPlots={state.refreshPlots}556                plotProperties={plotProperties}557                displayTimeRange={state.displayTimeRange}558                channelNames={state.dataList.channelNames}559                handleRefreshPlots={handleRefreshPlots}560                enablePSGScoring={state.enablePSGScoring}561                startEpochNumber={epochNumber}562                scores={state.dataList.PSGScores}563                width={width}564              />565            </Grid>566            {plotProperties.showCommentWindow && (567              <Grid item xs={2}>568                <div style={{ height: "100%", width: "100%" }}>569                  <DataGrid570                    components={{ NoRowsOverlay }}571                    rows={comments}572                    columns={columns}573                    pageSize={100}574                    rowsPerPageOptions={[100]}575                    density="compact"576                    hideFooter={comments.length <= 100}577                    hideFooterSelectedRowCount={true}578                    hideFooterRowCount={true}579                    isCellEditable={false}580                    onRowDoubleClick={handleCommentWindowDoubleClick}581                  ></DataGrid>582                </div>583              </Grid>584            )}585          </Grid>586          <XAxis587            disabled={fullScreenHandle.active}588            displayTimeRange={state.displayTimeRange}589            displayInterval={state.displayInterval}590            dataTimeRange={state.dataTimeRange}591            enablePSGScoring={state.enablePSGScoring}592            handleIntervalChange={handleIntervalChange}593            scores={state.dataList.PSGScores}594            handleEpochClick={handleEpochClick}595            width={width}596          />597          <div style={{ display: "inline-block" }}>598            <IconButton599              disabled={fullScreenHandle.active}600              style={{ marginTop: buttonIconMarginTop }}601              onClick={handleMenuClick}602            >603              <MenuIcon />604            </IconButton>605            <IconButton606              style={{ marginTop: buttonIconMarginTop }}607              onClick={608                fullScreenHandle.active609                  ? fullScreenHandle.exit610                  : fullScreenHandle.enter611              }612            >613              <FullscreenIcon />614            </IconButton>615            {state.enablePSGScoring && (616              <Tooltip title="Save scoring to server">617                <IconButton618                  style={{ marginTop: buttonIconMarginTop }}619                  disabled={!state.dataList.PSGScores.isDirty}620                  onClick={handleSaveScoring}621                >622                  <Save />623                </IconButton>624              </Tooltip>625            )}626            {state.enablePSGScoring && (627              <Tooltip title="View results">628                <IconButton629                  style={{ marginTop: buttonIconMarginTop }}630                  onClick={handleViewScoringReport}631                >632                  <AssessmentIcon />633                </IconButton>634              </Tooltip>635            )}636            {state.enablePSGScoring && (637              <Tooltip title="Undo last scoring event">638                <IconButton639                  style={{ marginTop: buttonIconMarginTop }}640                  onClick={handleUndoScoring}641                  disabled={!state.dataList.PSGScores.canUndo}642                >643                  <UndoIcon />644                </IconButton>645              </Tooltip>646            )}647            {state.enablePSGScoring && (648              <Tooltip title="Redo last scoring event">649                <IconButton650                  style={{ marginTop: buttonIconMarginTop }}651                  onClick={handleRedoScoring}652                  disabled={!state.dataList.PSGScores.canRedo}653                >654                  <RedoIcon />655                </IconButton>656              </Tooltip>657            )}658            {!state.enablePSGScoring && (659              <IconButton660                style={{ marginTop: buttonIconMarginTop }}661                onClick={handleFastRewind}662                disabled={663                  stateRef.current.playingSpeed > 0 &&664                  stateRef.current.playingSpeed < 0.2665                }666              >667                <FastRewindIcon />668              </IconButton>669            )}670            {!state.enablePSGScoring && (671              <IconButton672                style={{ marginTop: buttonIconMarginTop }}673                onClick={handlePlayPause}674              >675                {state.playingSpeed > 0 ? <PauseIcon /> : <PlayArrowIcon />}676              </IconButton>677            )}678            {!state.enablePSGScoring && (679              <IconButton680                style={{ marginTop: buttonIconMarginTop }}681                onClick={handleFastForward}682                disabled={683                  stateRef.current.playingSpeed > 0 &&684                  stateRef.current.playingSpeed > 5685                }686              >687                <FastForwardIcon />688              </IconButton>689            )}690            <PropertyMenu691              openMenu={state.openMenu}692              plotProperties={plotProperties}693              channels={state.dataList.channelNames}694              isLiveData={state.isLiveData}695              hasScoringReport={state.dataList.PSGScores}696              handleMenuClose={handleMenuClose}697              handleChannelCheckboxChange={handleChannelCheckboxChange}698              handleColorChange={handleBackgroundColorChange}699              handlePreferenceChange={handlePreferenceChange}700              handleShowGridChange={handleShowGridChange}701              handleShowChannelScaleChange={handleShowChannelScaleChange}702              handleShowCommentWindowChange={handleShowCommentWindowChange}703              handleShowChannelLabelChange={handleShowChannelLabelChange}704              handleWatermarkChange={handleWatermarkChange}705              handlePSGScoringChange={handlePSGScoringChange}706              handleRespiratoryChannelChange={handleRespiratoryChannelChange}707              handleChannelLabelFontSizeChange={708                handleChannelLabelFontSizeChange709              }710              handleViewScoringReport={handleViewScoringReport}711            />712          </div>713          <div714            style={{715              width: state.enablePSGScoring716                ? timeNavigationWidth - 45717                : timeNavigationWidth,718              display: "inline-block",719            }}720          >721            <TimeNavigation722              dataTimeRange={state.dataTimeRange}723              displayInterval={state.displayInterval}724              sliderValue={state.sliderValue}725              sliderMax={sliderMax}726              handleSliderChange={handleSliderChange}727              progressBarValue={progressBarValue}728              isLiveData={state.isLiveData}729              enablePSGScoring={state.enablePSGScoring}730              scores={state.dataList.PSGScores}731              width={732                state.enablePSGScoring733                  ? timeNavigationWidth - 45734                  : timeNavigationWidth735              }736            />737          </div>738          <Modal open={state.openReport} onClose={handleReportClose}>739            <PSGScoreReport scores={state.dataList.PSGScores} />740          </Modal>741        </div>742      </FullScreen>743    );744  } else if (state.hasFetchedAllData) {745    return (746      <MessagedProgress message="No data is available." hideProgress={true} />747    );748  } else if (state.errorMessage !== "") {749    return (750      <MessagedProgress message={state.errorMessage} hideProgress={true} />751    );752  } else {753    return <MessagedProgress message="Retrieving time series data ..." />;754  }755  function updateDisplayInterval(newInterval) {756    let newValue = newInterval;757    if (newValue === 0) {758      newValue = state.dataList.timeRange.duration;759    }760    const currentDisplayMiddleTime =761      state.displayTimeRange.startTime -762      state.dataList.timeRange.startTime +763      0.5 * state.displayTimeRange.duration;764    const startTimeFactor = Math.max(765      0,766      Math.min(767        state.dataList.timeRange.duration / newValue - 1,768        Math.round(currentDisplayMiddleTime / newValue - 0.5)769      )770    );771    let newDisplayTimeRange = new TimeRange();772    newDisplayTimeRange.startTime =773      state.dataList.timeRange.startTime + startTimeFactor * newValue;774    newDisplayTimeRange.endTime = newDisplayTimeRange.startTime + newValue;775    const newSlideValue =776      newDisplayTimeRange.startTime - state.dataList.timeRange.startTime;777    setState({778      ...stateRef.current,779      displayInterval: newInterval,780      sliderValue: newSlideValue,781      displayTimeRange: newDisplayTimeRange,782      refreshPlots: true,783    });784  }785  async function fetchData(isFirst = false) {786    if (stateRef.current.hasFetchedAllData) {787      return;788    }789    console.log("calling server");790    let query = { DataIDs: studyInfo.dataIDs };791    if (isFirst) {792      query = { DataIDs: studyInfo.dataIDs, RetrievalPreference: 4 };793    }794    const response = await ServerClient.getTimeSeriesData(query);795    if (response.status === 200) {796      updateData(response.data);797      if (response.data.length === 0) {798        setState({799          ...stateRef.current,800          hasFetchedAllData: true,801          isLiveData: false,802        });803      } else {804        setTimeout(() => {805          fetchData();806        }, 10);807      }808    } else if (response.status === 401) {809      history.push(window.$websiteAlias + "signin");810      setSessionInfo({811        userName: "",812        isLoggedIn: false,813        pageTitle: "",814        dataIDs: [0],815      });816    } else {817      setState({818        ...stateRef.current,819        errorMessage:820          "Unable to retrieve time series data (" +821          response.status +822          "): " +823          response.errorMessage,824      });825    }826  }827  function NoRowsOverlay() {828    return (829      <div style={{ marginTop: 45 }}>830        <Typography align="center" variant="body2">831          No Annotation Found832        </Typography>833      </div>834    );835  }836  function updateData(newData) {837    if (newData && newData.length > 0) {838      newData.forEach((dataChunk) => {839        const index = studyInfo.dataIDs.indexOf(dataChunk.dataID);840        if (index >= 0 && studyInfo.deviceIDs.length > index) {841          dataChunk.deviceID = studyInfo.deviceIDs[index];842        } else {843          dataChunk.deviceID = -1;844        }845      });846      if (stateRef.current.dataList) {847        const currentChannelCount =848          stateRef.current.dataList.channelNames.length;849        const newDataList = stateRef.current.dataList;850        newDataList.add(newData);851        let dataTimeRange = stateRef.current.dataTimeRange;852        let displayTimeRange = stateRef.current.displayTimeRange;853        let refreshPlots = false;854        if (stateRef.current.isLiveData) {855          if (856            displayTimeRange.endTime >857            dataTimeRange.endTime - stateRef.current.displayInterval858          ) {859            dataTimeRange.endTime = newDataList.timeRange.endTime;860            displayTimeRange.endTime = dataTimeRange.endTime;861            displayTimeRange.startTime =862              displayTimeRange.endTime - stateRef.current.displayInterval;863            if (864              displayTimeRange.startTime <865              stateRef.current.dataTimeRange.startTime866            ) {867              displayTimeRange.startTime =868                stateRef.current.dataTimeRange.startTime;869            }870            refreshPlots = true;871          } else {872            dataTimeRange.endTime = newDataList.timeRange.endTime;873          }874        }875        const newChannelCount = stateRef.current.dataList.channelNames.length;876        if (currentChannelCount !== newChannelCount) {877          refreshPlots = true;878        }879        const sliderValue =880          displayTimeRange.startTime - stateRef.current.dataTimeRange.startTime;881        setState({882          ...stateRef.current,883          dataList: newDataList,884          dataTimeRange: dataTimeRange,885          displayTimeRange: displayTimeRange,886          sliderValue: sliderValue,887          refreshPlots: refreshPlots,888        });889      } else {890        const newDataList = new ChannelDataList(newData);891        let displayTimeRange = new TimeRange();892        displayTimeRange.startTime = newDataList.timeRange.startTime;893        displayTimeRange.endTime = newDataList.timeRange.endTime;894        if (newDataList.timeRange.duration > stateRef.current.displayInterval)895          if (stateRef.current.isLiveData) {896            displayTimeRange.startTime =897              displayTimeRange.endTime - stateRef.current.displayInterval;898          } else {899            displayTimeRange.endTime =900              displayTimeRange.startTime + stateRef.current.displayInterval;901          }902        const sliderValue =903          displayTimeRange.startTime - stateRef.current.dataTimeRange.startTime;904        let dataTimeRange = stateRef.current.dataTimeRange;905        if (stateRef.current.isLiveData) {906          dataTimeRange.endTime = newDataList.timeRange.endTime;907        }908        setState({909          ...stateRef.current,910          dataTimeRange: dataTimeRange,911          sliderValue: sliderValue,912          displayTimeRange: displayTimeRange,913          dataList: newDataList,914          refreshPlots: true,915        });916      }917    }918  }...

App.js

Source:App.js

1import { v4 as uuidv4 } from 'uuid';2import './App.css';3import Piece from './components/Piece';4import { useEffect, useState, useRef } from 'react';5import {6  generatePiece,7  getRotation,8  piecePattern,9  kickTable,10} from './tetrisUtils';11function App() {12  const stateRef = useRef();13  const [board, setBoard] = useState(14    new Array(22).fill('0000000000').fill('1111111111', 21)15  );16  const [lineCount, setLineCount] = useState(0);17  const [isRunning, setIsRunning] = useState(false);18  const [next, setNext] = useState(null);19  const [hold, setHold] = useState(null);20  /* Controls  */21  useEffect(() => {22    window.addEventListener('keyup', handleKeyUp);23    window.addEventListener('keydown', handleKeyDown);24    let prevFrame;25    let gravity = 0;26    let isDropped = false;27    let boost = 1;28    let pieceBag = [0, 1, 2, 3, 4, 5, 6].sort(() => Math.random() - 0.5);29    let pieceQueue;30    let canChange = true;31    let altPiece = null;32    let level = 1;33    randomPiece();34    stateRef.current = {35      piece: { ...generatePiece(pieceQueue[0]) },36      board: new Array(22).fill('0000000000').fill('1111111111', 21),37      baseBoard: new Array(22).fill('0000000000').fill('1111111111', 21),38    };39    requestAnimationFrame(frame);40    function randomPiece() {41      let newPiece;42      if (pieceBag.length === 1) {43        newPiece = pieceBag[0];44        pieceBag = [0, 1, 2, 3, 4, 5, 6].sort(() => Math.random() - 0.5);45      } else {46        newPiece = pieceBag.shift();47      }48      setNext(pieceBag[0]);49      pieceQueue = [newPiece, pieceBag[0]];50    }51    function handleKeyDown(e) {52      switch (e.code) {53        case 'ArrowDown':54          if (!e.repeat) {55            boost = 20;56          }57          break;58        case 'ArrowLeft':59          if (60            stateRef.current.piece.parts.find((e) => e.x <= 0) ||61            stateRef.current.piece.parts.find(62              (e) => stateRef.current.baseBoard[e.y][e.x - 1] !== '0'63            )64          )65            return;66          stateRef.current.piece.parts.forEach((e) => (e.x = e.x - 1));67          stateRef.current.piece.global.x--;68          break;69        case 'ArrowRight':70          if (71            stateRef.current.piece.parts.find((e) => e.x >= 9) ||72            stateRef.current.piece.parts.find(73              (e) => stateRef.current.baseBoard[e.y][e.x + 1] !== '0'74            )75          )76            return;77          stateRef.current.piece.parts.forEach((e) => (e.x = e.x + 1));78          stateRef.current.piece.global.x++;79          break;80        case 'KeyW':81          {82            let newPattern = stateRef.current.piece.pattern.map((e, i) =>83              stateRef.current.piece.pattern84                .map((el) => el[el.length - 1 - i])85                .join('')86            );87            let coordinates = getRotation(88              newPattern,89              stateRef.current.piece.global.x,90              stateRef.current.piece.global.y91            );92            let i = 0;93            while (94              coordinates.find(95                (e) => stateRef.current.baseBoard[e.y][e.x] !== '0'96              )97            ) {98              // console.log(kickTable[stateRef.current.piece.rotation][i][0])99              coordinates.forEach(100                (e) =>101                  (e.x = e.x + kickTable[stateRef.current.piece.rotation][i][0])102              );103              // coordinates.forEach(e => e.y = e.y + kickTable[stateRef.current.piece.rotation][i][1])104              // stateRef.current.piece.global.x += kickTable[stateRef.current.piece.rotation][i][0]105              // stateRef.current.piece.global.y += kickTable[stateRef.current.piece.rotation][i][1]106              i++;107            }108            if (i > 4) return;109            stateRef.current.piece.parts = coordinates;110            stateRef.current.piece.pattern = newPattern;111            stateRef.current.piece.rotation !== 3112              ? stateRef.current.piece.rotation++113              : (stateRef.current.piece.rotation = 0);114          }115          break;116        case 'KeyQ':117          if (canChange) {118            canChange = false;119            if (altPiece != null) {120              stateRef.current.piece = { ...generatePiece(altPiece) };121              altPiece = pieceQueue[0];122              setHold(pieceQueue[0]);123            } else {124              stateRef.current.piece = { ...generatePiece(pieceQueue[1]) };125              altPiece = pieceQueue[0];126              setHold(pieceQueue[0]);127              randomPiece();128            }129          }130          break;131        case 'ArrowUp':132          {133            let newPattern = stateRef.current.piece.pattern.map((e, i) =>134              stateRef.current.piece.pattern135                .map(136                  (el, y) =>137                    stateRef.current.piece.pattern[138                      stateRef.current.piece.pattern.length - 1 - y139                    ][i]140                )141                .join('')142            );143            let coordinates = getRotation(144              newPattern,145              stateRef.current.piece.global.x,146              stateRef.current.piece.global.y147            );148            let tmp = coordinates.map((e) => ({ ...e }));149            let globalX = 0;150            let globalY = 0;151            let i = -1;152            console.log('rotation', stateRef.current.piece.rotation);153            while (154              tmp.find((e) => stateRef.current.baseBoard[e.y][e.x] !== '0')155            ) {156              console.log(157                tmp.find((e) => stateRef.current.baseBoard[e.y][e.x] !== '0')158              );159              i++;160              console.log(161                'y',162                kickTable[stateRef.current.piece.rotation][i][1]163              );164              tmp = [165                ...coordinates.map((e) => ({166                  ...e,167                  x: e.x + kickTable[stateRef.current.piece.rotation][i][0],168                  y: e.y + kickTable[stateRef.current.piece.rotation][i][1],169                })),170              ];171              globalX = kickTable[stateRef.current.piece.rotation][i][0];172              globalY = kickTable[stateRef.current.piece.rotation][i][1];173              console.log('i', i);174            }175            console.log('apres', tmp);176            stateRef.current.piece.global.x += globalX;177            stateRef.current.piece.global.y += globalY;178            stateRef.current.piece.parts = tmp;179            stateRef.current.piece.pattern = newPattern;180            stateRef.current.piece.rotation !== 3181              ? stateRef.current.piece.rotation++182              : (stateRef.current.piece.rotation = 0);183          }184          break;185        default:186          break;187      }188    }189    function handleKeyUp(e) {190      if (e.code === 'ArrowDown') {191        boost = 1;192      }193    }194    function frame(timestamp) {195      let delta = (timestamp - prevFrame) / 1e3 || 0;196      gravity += delta * boost;197      prevFrame = timestamp;198      if (gravity > 1) {199        stateRef.current.baseBoard.forEach((e, i) => {200          if (e === 'xxxxxxxxxx') {201            stateRef.current.baseBoard.splice(i, 1);202            stateRef.current.baseBoard.unshift('0000000000');203          }204        });205        if (isDropped) {206          randomPiece();207          stateRef.current.piece = { ...generatePiece(pieceQueue[0]) };208          render();209          isDropped = false;210        }211        if (212          stateRef.current.piece.parts.find((e) => e.y >= 20) ||213          stateRef.current.piece.parts.find(214            (e) => stateRef.current.baseBoard[e.y + 1][e.x] !== '0'215          )216        ) {217          canChange = true;218          stateRef.current.board.forEach((e, i) => {219            if (!e.includes('0') && i !== 21) {220              stateRef.current.board[i] = 'xxxxxxxxxx';221              setLineCount((prev) => prev + 1);222              level++;223            }224          });225          isDropped = true;226          stateRef.current.baseBoard = [...stateRef.current.board];227          setBoard([...stateRef.current.baseBoard]);228        } else {229          stateRef.current.piece.parts.forEach((e) => (e.y = e.y + 1));230          stateRef.current.piece.global.y++;231        }232        gravity = 0;233      }234      render();235      requestAnimationFrame(frame);236    }237    function render() {238      let currBoard = [...stateRef.current.baseBoard];239      let ghostPiece = [...stateRef.current.piece.parts.map((e) => ({ ...e }))];240      while (!ghostPiece.find((e) => currBoard[e.y + 1][e.x] !== '0')) {241        ghostPiece = [...ghostPiece.map((e) => ({ ...e, y: e.y + 1 }))];242      }243      ghostPiece.forEach((e, i) => {244        let cell = currBoard[e.y].split('');245        cell[e.x] = stateRef.current.piece.class.toUpperCase();246        currBoard[e.y] = cell.join('');247      });248      stateRef.current.piece.parts.forEach((e, i) => {249        let cell = currBoard[e.y].split('');250        cell[e.x] = stateRef.current.piece.class;251        currBoard[e.y] = cell.join('');252      });253      stateRef.current.board = [...currBoard];254      setBoard([...currBoard]);255    }256    return () => {257      window.removeEventListener('keyup', handleKeyUp);258      window.removeEventListener('keydown', handleKeyDown);259      cancelAnimationFrame(frame);260    };261  }, []);262  return (263    <div className="app">264      <div className="side">265        <p className="infos">Hold</p>266        <Piece piece={piecePattern[hold]} />267        <p className="infos">Lines: {lineCount}</p>268      </div>269      <div className="board">270        {board.map(271          (cell, i) =>272            i !== 21 &&273            i !== 0 && (274              <div key={uuidv4()} className={`row ${cell}`}>275                {cell276                  .split('')277                  .map((e) =>278                    e === '0' ? (279                      <div key={uuidv4()} className={`cell`}></div>280                    ) : (281                      <div key={uuidv4()} className={`${e}-block`}></div>282                    )283                  )}284              </div>285            )286        )}287      </div>288      <div className="side">289        <p className="infos">Next</p>290        <Piece piece={piecePattern[next]} />291      </div>292    </div>293  );294}...

index.jsx

Source:index.jsx

1import React, { useEffect, useRef } from 'react';2import Curtain from './Curtain';3import Round from './Round';4import { useKeyEvent } from '../../hooks/useKeyEvent';5import { useStore } from '../../hooks/useStore';6import { decrement, increment } from '../../utils/number';7import { postMessage } from '../../workers';8import EVENTS from '../../constants/events';9import GAME from '../../constants/game';10import MESSAGES from '../../constants/messages';11import SETTINGS from '../../constants/settings';12import TANK from '../../constants/tank';13function selector({ game: { stage, status }, session: { setSession, ...session } }) {14  return { game: { stage, status }, session };15}16export default function Game() {17  const state = useStore(selector);18  const stateRef = useRef(state);19  useEffect(20    function effect() {21      stateRef.current = state;22    },23    [state],24  );25  function getStringStage(stage) {26    const round = stage + 1;27    return round < 10 ? ` ${round}` : String(round);28  }29  useKeyEvent({30    key: SETTINGS.KEYS.UP,31    type: EVENTS.DOWN,32    listener() {33      switch (stateRef.current.game.status) {34        case GAME.STATUS.WAITING: {35          postMessage({36            type: MESSAGES.SET_STAGE,37            payload: increment(stateRef.current.game.stage),38          });39          break;40        }41        case GAME.STATUS.RUNNING: {42          postMessage({43            type: MESSAGES.SET_DIRECTION,44            payload: {45              direction: TANK.DIRECTION.NORTH,46              session: stateRef.current.session,47            },48          });49          break;50        }51        default: {52          break;53        }54      }55    },56  });57  useKeyEvent({58    key: SETTINGS.KEYS.DOWN,59    type: EVENTS.DOWN,60    listener() {61      switch (stateRef.current.game.status) {62        case GAME.STATUS.WAITING: {63          postMessage({64            type: MESSAGES.SET_STAGE,65            payload: decrement(stateRef.current.game.stage),66          });67          break;68        }69        case GAME.STATUS.RUNNING: {70          postMessage({71            type: MESSAGES.SET_DIRECTION,72            payload: {73              direction: TANK.DIRECTION.SOUTH,74              session: stateRef.current.session,75            },76          });77          break;78        }79        default: {80          break;81        }82      }83    },84  });85  useKeyEvent({86    key: SETTINGS.KEYS.LEFT,87    type: EVENTS.DOWN,88    listener() {89      switch (stateRef.current.game.status) {90        case GAME.STATUS.RUNNING: {91          postMessage({92            type: MESSAGES.SET_DIRECTION,93            payload: {94              direction: TANK.DIRECTION.WEST,95              session: stateRef.current.session,96            },97          });98          break;99        }100        default: {101          break;102        }103      }104    },105  });106  useKeyEvent({107    key: SETTINGS.KEYS.RIGHT,108    type: EVENTS.DOWN,109    listener() {110      switch (stateRef.current.game.status) {111        case GAME.STATUS.RUNNING: {112          postMessage({113            type: MESSAGES.SET_DIRECTION,114            payload: {115              direction: TANK.DIRECTION.EAST,116              session: stateRef.current.session,117            },118          });119          break;120        }121        default: {122          break;123        }124      }125    },126  });127  useKeyEvent({128    key: SETTINGS.KEYS.UP,129    type: EVENTS.UP,130    listener() {131      switch (stateRef.current.game.status) {132        case GAME.STATUS.RUNNING: {133          postMessage({134            type: MESSAGES.SET_DIRECTION,135            payload: {136              session: stateRef.current.session,137            },138          });139          break;140        }141        default: {142          break;143        }144      }145    },146  });147  useKeyEvent({148    key: SETTINGS.KEYS.DOWN,149    type: EVENTS.UP,150    listener() {151      switch (stateRef.current.game.status) {152        case GAME.STATUS.RUNNING: {153          postMessage({154            type: MESSAGES.SET_DIRECTION,155            payload: {156              session: stateRef.current.session,157            },158          });159          break;160        }161        default: {162          break;163        }164      }165    },166  });167  useKeyEvent({168    key: SETTINGS.KEYS.LEFT,169    type: EVENTS.UP,170    listener() {171      switch (stateRef.current.game.status) {172        case GAME.STATUS.RUNNING: {173          postMessage({174            type: MESSAGES.SET_DIRECTION,175            payload: {176              session: stateRef.current.session,177            },178          });179          break;180        }181        default: {182          break;183        }184      }185    },186  });187  useKeyEvent({188    key: SETTINGS.KEYS.RIGHT,189    type: EVENTS.UP,190    listener() {191      switch (stateRef.current.game.status) {192        case GAME.STATUS.RUNNING: {193          postMessage({194            type: MESSAGES.SET_DIRECTION,195            payload: {196              session: stateRef.current.session,197            },198          });199          break;200        }201        default: {202          break;203        }204      }205    },206  });207  useKeyEvent({208    key: SETTINGS.KEYS.START,209    type: EVENTS.DOWN,210    listener() {211      postMessage({212        type: MESSAGES.SET_STATE,213        payload: {214          session: stateRef.current.session,215          status: stateRef.current.game.status === GAME.STATUS.WAITING216            ? GAME.STATUS.RUNNING217            : GAME.STATUS.WAITING,218        },219      });220    },221  });222  useKeyEvent({223    key: SETTINGS.KEYS.FIRE,224    type: EVENTS.DOWN,225    listener() {226      if (stateRef.current.game.status !== GAME.STATUS.RUNNING) return;227      postMessage({228        type: MESSAGES.FIRE,229        payload: {230          session: stateRef.current.session,231        },232      });233    },234  });235  switch (state.game.status) {236    case GAME.STATUS.WAITING: {237      return (238        <Curtain stringStage={getStringStage(state.game.stage)} />239      );240    }241    case GAME.STATUS.RUNNING: {242      return (243        <Round game={state.game} stringStage={getStringStage(state.game.stage)} />244      );245    }246    default: {247      return null;248    }249  }...

Using AI Code Generation

1import { stateRef } from 'storybook-root'2const {state, setState} = stateRef('test')3import { stateRef } from 'storybook-root'4const {state, setState} = stateRef('test')5import { stateRef } from 'storybook-root'6const {state, setState} = stateRef('test')7import { stateRef } from 'storybook-root'8const {state, setState} = stateRef('test')9import { stateRef } from 'storybook-root'10const {state, setState} = stateRef('test')11import { stateRef } from 'storybook-root'12const {state, setState} = stateRef('test')13import { stateRef } from 'storybook-root'14const {state, setState} = stateRef('test')15import { stateRef } from 'storybook-root'16const {state, setState} = stateRef('test')17import { stateRef } from 'storybook-root'18const {state, setState} = stateRef('test')19import { stateRef } from 'storybook-root'20const {state, setState} = stateRef('test')21import { stateRef } from 'storybook-root'22const {state, setState} = stateRef('test')23import { stateRef } from 'storybook-root'24const {state, setState} = stateRef('test')25import { stateRef } from 'storybook-root'26const {state, setState} = stateRef('test')27import { stateRef } from 'storybook-root'28const {state, setState} = stateRef('test')29import { stateRef } from 'storybook-root'30const {state, setState} = stateRef('test')

Using AI Code Generation

1import { stateRef } from 'storybook-root';2import { storiesOf } from '@storybook/react';3import React from 'react';4import { Button } from '../src';5storiesOf('Button', module)6  .add('with text', () => (7    <Button onClick={stateRef().action('clicked')}>8  .add('with some emoji', () => (9    <Button onClick={stateRef().action('clicked')}>10  ));11import React from 'react';12import { stateRef } from 'storybook-root';13const Button = ({ onClick, children }) => (14  <button onClick={onClick}>15    {children}16);17export default Button;18import React from 'react';19import { storiesOf } from '@storybook/react';20import { action } from '@storybook/addon-actions';21import { stateRef } from 'storybook-root';22import { Button } from './Button';23storiesOf('Button', module)24  .add('with text', () => (25    <Button onClick={stateRef().action('clicked')}>26  .add('with some emoji', () => (27    <Button onClick={stateRef().action('clicked')}>28  .add('with some emoji and action', () => (29    <Button onClick={stateRef().action('clicked')}>30  ));31import React from 'react';32import { storiesOf } from '@storybook/react';33import { action } from '@storybook/addon-actions';34import { stateRef } from 'storybook-root';35import { Button } from './Button';36storiesOf('Button', module)37  .add('with text', () => (38    <Button onClick={state

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1import { useStorybookState } from 'storybook-addon-root';2const Test = () => {3  const { state } = useStorybookState();4  return <div>state: {state}</div>;5};6export default Test;7import React from 'react';8import Test from './test';9import { withStorybookRoot } from 'storybook-addon-root';10export default {11};12export const test = () => <Test />;13import { addDecorator } from '@storybook/react';14import { withStorybookRoot } from 'storybook-addon-root';15addDecorator(withStorybookRoot);16import { addons } from '@storybook/addons';17import { withStorybookRoot } from 'storybook-addon-root';18addons.setConfig({19});20import 'storybook-addon-root/register';21import { configure } from '@storybook/react';22import requireContext from 'require-context.macro';23const req = requireContext('../src', true, /\.stories\.js$/);24function loadStories() {25  req.keys().forEach(filename => req(filename));26}27configure(loadStories, module);28import { addDecorator } from '@storybook/react';29import { withStorybookRoot } from 'storybook-addon-root';30addDecorator(withStorybookRoot);31import { addons } from '@storybook/addons';32import { withStorybookRoot } from 'storybook-addon-root';33addons.setConfig({34});35import 'storybook-addon-root/register';36import { configure } from '@storybook/react';37import requireContext from 'require-context.macro';38const req = requireContext('../src', true, /\.stories\.js$/);39function loadStories() {40  req.keys().forEach(filename => req(filename));41}42configure(loadStories, module);43import { addDecorator } from

Using AI Code Generation

1import {stateRef} from 'storybook-root'2stateRef.set('test', 'test')3import {stateRef} from 'storybook-root'4import {stateRef} from 'storybook-root'5import {stateRef} from 'storybook-root'6import {stateRef} from 'storybook-root'7import {stateRef} from 'storybook-root'8import {stateRef} from 'storybook-root'9import {stateRef} from 'storybook-root'10import {stateRef} from 'storybook-root'11import {stateRef} from 'storybook-root'12import {stateRef} from 'storybook-root'13import {stateRef} from 'storybook-root'14import {stateRef} from 'storybook-root'

Using AI Code Generation

1const { stateRef } = require('storybook-root');2const state = stateRef('test');3const { stateRef } = require('storybook-root');4const state = stateRef('test');5const { stateRef } = require('storybook-root');6const state = stateRef('test2');7const { stateRef } = require('storybook-root');8const state = stateRef('test2');9const { stateRef } = require('storybook-root');10const state = stateRef('test3');11const { stateRef } = require('storybook-root');12const state = stateRef('test3');13const { stateRef } = require('storybook-root');14const state = stateRef('test4');15const { stateRef } = require('storybook-root');16const state = stateRef('test4');17const { stateRef } = require('storybook-root');18const state = stateRef('test5');19const { stateRef } = require('storybook-root');20const state = stateRef('test5

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.