KaneAI - World’s First E2E Software Testing Agent.Book a Demo Join TestMu Conference

How to use scrollToIndex method in root

Best JavaScript code snippet using root

updateScrollIndexHelper.jest.js

Source:updateScrollIndexHelper.jest.js

1import updateScrollIndexHelper from './updateScrollIndexHelper';2import CellSizeAndPositionManager from './CellSizeAndPositionManager';3// Default cell sizes and offsets for use in shared tests4export function getCellSizeAndPositionManager({5  cellCount = CELL_SIZES.length,6  estimatedCellSize = 10,7}) {8  return new CellSizeAndPositionManager({9    cellCount,10    cellSizeGetter: ({index}) => CELL_SIZES[index % CELL_SIZES.length],11    estimatedCellSize,12  });13}14const CELL_SIZES = [15  10, // 0: 0..0 (min)16  20, // 1: 0..1017  15, // 2: 0..3018  10, // 3: 5..4519  15, // 4: 20..5520  30, // 5: 50..7021  20, // 6: 70..10022  10, // 7: 80..11023  30, //  8: 110..110 (max)24];25describe('updateScrollIndexHelper', () => {26  function helper({27    cellCount = undefined,28    cellSizeAndPositionManager,29    cellSize = 10,30    previousCellsCount = undefined,31    previousCellSize = 10,32    previousScrollToAlignment = 'auto',33    previousScrollToIndex,34    previousSize = 50,35    scrollOffset = 0,36    scrollToAlignment = 'auto',37    scrollToIndex,38    size = 50,39  } = {}) {40    cellSizeAndPositionManager =41      cellSizeAndPositionManager || getCellSizeAndPositionManager({cellCount});42    cellCount =43      cellCount === undefined44        ? cellSizeAndPositionManager.getCellCount()45        : cellCount;46    previousCellsCount =47      previousCellsCount === undefined ? cellCount : previousCellsCount;48    let updateScrollIndexCallbackCalled = false;49    function updateScrollIndexCallback() {50      updateScrollIndexCallbackCalled = true;51    }52    updateScrollIndexHelper({53      cellCount,54      cellSizeAndPositionManager,55      cellSize,56      previousCellsCount,57      previousCellSize,58      previousScrollToAlignment,59      previousScrollToIndex,60      previousSize,61      scrollOffset,62      scrollToAlignment,63      scrollToIndex,64      size,65      updateScrollIndexCallback,66    });67    return updateScrollIndexCallbackCalled;68  }69  it('should not call :updateScrollIndexCallback if there is no :scrollToIndex and size has not changed', () => {70    expect(helper()).toEqual(false);71  });72  it('should not call :updateScrollIndexCallback if an invalid :scrollToIndex has been specified', () => {73    expect(74      helper({75        size: 100,76        previousSize: 50,77        scrollToIndex: -1,78      }),79    ).toEqual(false);80  });81  it('should call :updateScrollIndexCallback if there is a :scrollToIndex and :size has changed', () => {82    expect(83      helper({84        cellCount: 100,85        size: 100,86        previousSize: 50,87        scrollToIndex: 10,88      }),89    ).toEqual(true);90  });91  it('should call :updateScrollIndexCallback if there is a :scrollToIndex and :cellSize has changed', () => {92    expect(93      helper({94        cellCount: 100,95        cellSize: 15,96        previousCellSize: 20,97        scrollToIndex: 10,98      }),99    ).toEqual(true);100  });101  it('should call :updateScrollIndexCallback if previous :scrollToIndex has changed', () => {102    expect(103      helper({104        cellCount: 15,105        previousScrollToIndex: 20,106        scrollToIndex: 10,107      }),108    ).toEqual(true);109  });110  it('should call :updateScrollIndexCallback if :cellCount has been reduced past the current scroll offset', () => {111    expect(112      helper({113        previousCellsCount: 100,114        scrollOffset: 510,115      }),116    ).toEqual(true);117  });118  it('should call :updateScrollIndexCallback if there is no :scrollToIndex but :size has been reduced', () => {119    expect(120      helper({121        previousSize: 100,122        scrollOffset: 510,123        size: 50,124      }),125    ).toEqual(true);126  });127  it('should not measure rows if :size or :cellCount have been reduced but only use already measured (or estimated) total size', () => {128    const cellSizeAndPositionManager = {129      getCellCount: () => CELL_SIZES.length,130      getTotalSize: () => 560,131    };132    expect(133      helper({134        cellSizeAndPositionManager,135        previousSize: 100,136        scrollOffset: 510,137        size: 50,138      }),139    ).toEqual(false);140  });141  it('should not call :updateScrollIndexCallback if there is no :scrollToIndex but :cellCount has been increased', () => {142    expect(143      helper({144        cellCount: 100,145        previousCellsCount: 50,146      }),147    ).toEqual(false);148  });149  it('should not call :updateScrollIndexCallback if there is no :scrollToIndex but :size has been increased', () => {150    expect(151      helper({152        previousSize: 50,153        size: 100,154      }),155    ).toEqual(false);156  });157  it('should call :updateScrollIndexCallback if :scrollToAlignment has changed', () => {158    expect(159      helper({160        previousScrollToAlignment: 'start',161        scrollToAlignment: 'end',162        scrollToIndex: 5,163      }),164    ).toEqual(true);165  });166  it('should not call :updateScrollIndexCallback if :scrollToAlignment has changed but there is no :scrollToIndex', () => {167    expect(168      helper({169        previousScrollToAlignment: 'start',170        scrollToAlignment: 'end',171      }),172    ).toEqual(false);173  });...

utils.js

Source:utils.js

1import { findIndex } from 'lodash';2export const3  isDef = thing => thing !== undefined,4  noop = _ => {},5  addToSelection = ({ selection, id, toHead = false }) => selection.indexOf(id) === -1 ?6    toHead ?7      [id, ...selection] :8      [...selection, id] :9    selection,10  removeFromSelection = ({ selection, id }) => selection.filter(sid => sid !== id),11  // TODO: when needed, refactor utils to accept idPropName argument12  // which defined unique key (currently only 'id' is supported)13  selectRange = ({ items, fromId, toId }) => {14    const fromIdIndex = findIndex(items, ({ id }) => id === fromId);15    const toIdIndex = findIndex(items, ({ id }) => id === toId);16    const selectionDirection = toIdIndex > fromIdIndex ? 1 : -1;17    const itemsSlice = selectionDirection === 1 ?18      items.slice(fromIdIndex, toIdIndex + 1) :19      items.slice(toIdIndex, fromIdIndex + 1);20    const selection = itemsSlice.map(({ id }) => id)21    return selection22  },23  selectNext = ({ items, lastSelected: currentId }) => {24    const currentIndex = findIndex(items, ({ id }) => id === currentId);25    const nextIndex = currentIndex < items.length - 1 ? currentIndex + 1 : currentIndex;26    const nextId = items[nextIndex].id;27    return {28      selection: [nextId],29      scrollToIndex: nextIndex30    };31  },32  selectPrev = ({ items, lastSelected: currentId }) => {33    const currentIndex = findIndex(items, ({ id }) => id === currentId);34    if (currentIndex <= -1) {35      // Fix for fast selection updates36      return {37        scrollToIndex: 038      }39    }40    const prevIndex = currentIndex === 0 ? currentIndex : currentIndex - 1;41    const prevId = items[prevIndex].id;42    return {43      selection: [prevId],44      scrollToIndex: prevIndex45    }46  },47  addNextToSelection = ({ selection, items, lastSelected }) => {48    const nextSelectionData = selectNext({ items, lastSelected });49    return {50      selection: addToSelection({ selection, id: nextSelectionData.selection[0] }),51      scrollToIndex: nextSelectionData.scrollToIndex52    }53  },54  addPrevToSelection = ({ selection, items, lastSelected }) => {55    const prevSelectionData = selectPrev({ items, lastSelected });56    return {57      selection: addToSelection({ selection, id: prevSelectionData.selection[0], toHead: true }),58      scrollToIndex: prevSelectionData.scrollToIndex59    }60  },61  removeLastFromSelection = ({ selection, items }) => {62    if (selection.length > 1) {63      const nextSelection = selection.slice(0, selection.length - 1);64      return {65        selection: nextSelection,66        scrollToIndex: findIndex(items, ({ id }) => id === nextSelection[nextSelection.length - 1])67      }68    } else {69      return {70        selection,71        scrollToIndex: findIndex(items, ({ id }) => id === selection[0])72      }73    }74  },75  removeFirstFromSelection = ({ selection, items }) => {76    if (selection.length > 1) {77      const nextSelection = selection.slice(1);78      return {79        selection: nextSelection,80        scrollToIndex: findIndex(items, ({ id }) => id === nextSelection[0])81      }82    } else {83      return {84        selection,85        scrollToIndex: findIndex(items, ({ id }) => id === selection[0])86      }87    }88  },89  selectFirstItem = ({ items }) => ({90    selection: items.length ? [items[0].id] : [],91    scrollToIndex: items.length ? 0 : null92  }),93  selectLastItem = ({ items }) => ({94    selection: items.length ? [items[items.length - 1].id] : [],95    scrollToIndex: items.length ? items.length - 1 : null...

Using AI Code Generation

1var rootview = app.getRootView();2rootview.scrollToIndex(1);3rootview.scrollToIndex(2);4rootview.scrollToIndex(3);5rootview.scrollToIndex(4);6rootview.scrollToIndex(5);7rootview.scrollToIndex(6);8rootview.scrollToIndex(7);9rootview.scrollToIndex(8);10rootview.scrollToIndex(9);11rootview.scrollToIndex(10);12rootview.scrollToIndex(11);13rootview.scrollToIndex(12);14rootview.scrollToIndex(13);15rootview.scrollToIndex(14);16rootview.scrollToIndex(15);17rootview.scrollToIndex(16);18rootview.scrollToIndex(17);19rootview.scrollToIndex(18);20rootview.scrollToIndex(19);21rootview.scrollToIndex(20);22rootview.scrollToIndex(21);23rootview.scrollToIndex(22);24rootview.scrollToIndex(23);25rootview.scrollToIndex(24);26rootview.scrollToIndex(25);27rootview.scrollToIndex(26);28rootview.scrollToIndex(27);29rootview.scrollToIndex(28);30rootview.scrollToIndex(29);31rootview.scrollToIndex(30);32rootview.scrollToIndex(31);33rootview.scrollToIndex(32);34rootview.scrollToIndex(33);35rootview.scrollToIndex(34);36rootview.scrollToIndex(35);37rootview.scrollToIndex(36);38rootview.scrollToIndex(37);39rootview.scrollToIndex(38);40rootview.scrollToIndex(39);41rootview.scrollToIndex(40);42rootview.scrollToIndex(41);43rootview.scrollToIndex(42);44rootview.scrollToIndex(43);45rootview.scrollToIndex(44);46rootview.scrollToIndex(45);47rootview.scrollToIndex(46);48rootview.scrollToIndex(47);49rootview.scrollToIndex(48);50rootview.scrollToIndex(49);51rootview.scrollToIndex(50);52rootview.scrollToIndex(51);53rootview.scrollToIndex(52);54rootview.scrollToIndex(53);55rootview.scrollToIndex(54);56rootview.scrollToIndex(55);57rootview.scrollToIndex(56);58rootview.scrollToIndex(57);59rootview.scrollToIndex(58);60rootview.scrollToIndex(59);61rootview.scrollToIndex(60);62rootview.scrollToIndex(61);63rootview.scrollToIndex(62);64rootview.scrollToIndex(63);65rootview.scrollToIndex(64);66rootview.scrollToIndex(65);67rootview.scrollToIndex(66);68rootview.scrollToIndex(67);69rootview.scrollToIndex(68);70rootview.scrollToIndex(69);71rootview.scrollToIndex(70

Using AI Code Generation

1var win = Ti.UI.createWindow({2});3var table = Ti.UI.createTableView({4    data: [{title: 'row1'}, {title: 'row2'}, {title: 'row3'}, {title: 'row4'}, {title: 'row5'}, {title: 'row6'}, {title: 'row7'}, {title: 'row8'}, {title: 'row9'}, {title: 'row10'}]5});6win.add(table);7win.open();8table.scrollToIndex(4);

Using AI Code Generation

1var win = Ti.UI.createWindow({2});3var view = Ti.UI.createView({4});5var view2 = Ti.UI.createView({6});7view2.addEventListener('click', function () {8    view.scrollToIndex(0);9});10view.add(view2);11win.add(view);12win.open();

Using AI Code Generation

1root.scrollToIndex(0, false);2root.scrollToIndex(1, false);3root.scrollToIndex(2, false);4root.scrollToIndex(3, false);5child.scrollToIndex(0, false);6child.scrollToIndex(1, false);7child.scrollToIndex(2, false);8child.scrollToIndex(3, false);9grandchild.scrollToIndex(0, false);10grandchild.scrollToIndex(1, false);11grandchild.scrollToIndex(2, false);12grandchild.scrollToIndex(3, false);13greatgrandchild.scrollToIndex(0, false);14greatgrandchild.scrollToIndex(1, false);15greatgrandchild.scrollToIndex(2, false);16greatgrandchild.scrollToIndex(3, false);17greatgreatgrandchild.scrollToIndex(0, false);18greatgreatgrandchild.scrollToIndex(1, false);19greatgreatgrandchild.scrollToIndex(2, false);20greatgreatgrandchild.scrollToIndex(3, false);21greatgreatgreatgrandchild.scrollToIndex(0, false);22greatgreatgreatgrandchild.scrollToIndex(1, false);23greatgreatgreatgrandchild.scrollToIndex(2, false);24greatgreatgreatgrandchild.scrollToIndex(3, false);25greatgreatgreatgreatgrandchild.scrollToIndex(0, false);26greatgreatgreatgreatgrandchild.scrollToIndex(1, false);27greatgreatgreatgreatgrandchild.scrollToIndex(2, false);28greatgreatgreatgreatgrandchild.scrollToIndex(3, false);29greatgreatgreatgreatgreatgrandchild.scrollToIndex(0, false);30greatgreatgreatgreatgreatgrandchild.scrollToIndex(1, false);31greatgreatgreatgreatgreatgrandchild.scrollToIndex(2, false);32greatgreatgreatgreatgreatgrandchild.scrollToIndex(3, false);

Using AI Code Generation

1var root = this.getView();2root.scrollToIndex(0);3var child = this.getView().byId("myChildView");4child.scrollToIndex(0);5var root = this.getView();6root.scrollToIndex(0);7var child = this.getView().byId("myChildView");8child.scrollToIndex(0);9var root = this.getView();10root.scrollToIndex(0);11var child = this.getView().byId("myChildView");12child.scrollToIndex(0);13var root = this.getView();14root.scrollToIndex(0);15var child = this.getView().byId("myChildView");16child.scrollToIndex(0);

Using AI Code Generation

1this._root.scrollToIndex({animated: true, index: 3});2this._root.scrollToIndex({animated: true, index: 3, viewPosition: 0.5});3this._root.scrollToIndex({animated: true, index: 3, viewPosition: 0.5, viewOffset: 20});4this._root.scrollToItem({animated: true, item: {name: 'item3'}});5this._root.scrollToItem({animated: true, item: {name: 'item3'}, viewPosition: 0.5});6this._root.scrollToItem({animated: true, item: {name: 'item3'}, viewPosition: 0.5, viewOffset: 20});7this._root.scrollToOffset({animated: true, offset: 200});8this._root.scrollToOffset({animated: true, offset: 200, viewOffset: 20});9this._root.scrollToEnd({animated: true});10this._root.scrollToEnd({animated: true, viewOffset: 20});11this._root.scrollBy({animated: true, offset: 200});12this._root.scrollBy({animated: true, offset: 200, viewOffset: 20});13this._root.scrollToStart({animated: true});14this._root.scrollToStart({animated: true, viewOffset: 20});15this._root.scrollToIndex({animated: true, index: 3});16this._root.scrollToIndex({

Using AI Code Generation

1var root = this.$refs.root;2root.scrollToIndex(2);3export default {4  methods: {5    scrollToIndex(index) {6      this.$refs.list.scrollToIndex(index);7    }8  }9};10export default {11  methods: {12    scrollToIndex(index) {13      this.$refs.items[index].scrollIntoView();14    }15  }16};17export default {18};

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.