How to use diffProperties method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactNativeAttributePayload.js

Source:ReactNativeAttributePayload.js

...81    }82    return updatePayload;83  }84  // recurse85  return diffProperties(86    updatePayload,87    previousFlattenedStyle,88    nextFlattenedStyle,89    validAttributes90  );91}92/**93 * addNestedProperty takes a single set of props and valid attribute94 * attribute configurations. It processes each prop and adds it to the95 * updatePayload.96 */97/*98function addNestedProperty(99  updatePayload :? Object,100  nextProp : Object,101  validAttributes : AttributeConfiguration102) {103  // TODO: Fast path104  return diffNestedProperty(updatePayload, {}, nextProp, validAttributes);105}106*/107/**108 * clearNestedProperty takes a single set of props and valid attributes. It109 * adds a null sentinel to the updatePayload, for each prop key.110 */111function clearNestedProperty(112  updatePayload :? Object,113  prevProp : Object,114  validAttributes : AttributeConfiguration115) : ?Object {116  // TODO: Fast path117  return diffNestedProperty(updatePayload, prevProp, {}, validAttributes);118}119/**120 * diffProperties takes two sets of props and a set of valid attributes121 * and write to updatePayload the values that changed or were deleted.122 * If no updatePayload is provided, a new one is created and returned if123 * anything changed.124 */125function diffProperties(126  updatePayload : ?Object,127  prevProps : Object,128  nextProps : Object,129  validAttributes : AttributeConfiguration130): ?Object {131  var attributeConfig : ?AttributeConfiguration;132  var nextProp;133  var prevProp;134  for (var propKey in nextProps) {135    attributeConfig = validAttributes[propKey];136    if (!attributeConfig) {137      continue; // not a valid native prop138    }139    var altKey = translateKey(propKey);140    if (!validAttributes[altKey]) {141      // If there is no config for the alternative, bail out. Helps ART.142      altKey = propKey;143    }144    if (updatePayload && updatePayload[altKey] !== undefined) {145      // If we're in a nested attribute set, we may have set this property146      // already. If so, bail out. The previous update is what counts.147      continue;148    }149    prevProp = prevProps[propKey];150    nextProp = nextProps[propKey];151    // functions are converted to booleans as markers that the associated152    // events should be sent from native.153    if (typeof nextProp === 'function') {154      nextProp = true;155      // If nextProp is not a function, then don't bother changing prevProp156      // since nextProp will win and go into the updatePayload regardless.157      if (typeof prevProp === 'function') {158        prevProp = true;159      }160    }161    if (prevProp === nextProp) {162      continue; // nothing changed163    }164    // Pattern match on: attributeConfig165    if (typeof attributeConfig !== 'object') {166      // case: !Object is the default case167      if (defaultDiffer(prevProp, nextProp)) {168        // a normal leaf has changed169        (updatePayload || (updatePayload = {}))[altKey] = nextProp;170      }171    } else if (typeof attributeConfig.diff === 'function' ||172               typeof attributeConfig.process === 'function') {173      // case: CustomAttributeConfiguration174      var shouldUpdate = prevProp === undefined || (175        typeof attributeConfig.diff === 'function' ?176        attributeConfig.diff(prevProp, nextProp) :177        defaultDiffer(prevProp, nextProp)178      );179      if (shouldUpdate) {180        var nextValue = typeof attributeConfig.process === 'function' ?181                        attributeConfig.process(nextProp) :182                        nextProp;183        (updatePayload || (updatePayload = {}))[altKey] = nextValue;184      }185    } else {186      // default: fallthrough case when nested properties are defined187      updatePayload = diffNestedProperty(188        updatePayload,189        prevProp,190        nextProp,191        attributeConfig192      );193    }194  }195  // Also iterate through all the previous props to catch any that have been196  // removed and make sure native gets the signal so it can reset them to the197  // default.198  for (var propKey in prevProps) {199    if (nextProps[propKey] !== undefined) {200      continue; // we've already covered this key in the previous pass201    }202    attributeConfig = validAttributes[propKey];203    if (!attributeConfig) {204      continue; // not a valid native prop205    }206    prevProp = prevProps[propKey];207    if (prevProp === undefined) {208      continue; // was already empty anyway209    }210    // Pattern match on: attributeConfig211    if (typeof attributeConfig !== 'object' ||212        typeof attributeConfig.diff === 'function' ||213        typeof attributeConfig.process === 'function') {214      // case: CustomAttributeConfiguration | !Object215      // Flag the leaf property for removal by sending a sentinel.216      (updatePayload || (updatePayload = {}))[translateKey(propKey)] = null;217    } else {218      // default:219      // This is a nested attribute configuration where all the properties220      // were removed so we need to go through and clear out all of them.221      updatePayload = clearNestedProperty(222        updatePayload,223        prevProp,224        attributeConfig225      );226    }227  }228  return updatePayload;229}230/**231 * addProperties adds all the valid props to the payload after being processed.232 */233function addProperties(234  updatePayload : ?Object,235  props : Object,236  validAttributes : AttributeConfiguration237) : ?Object {238  return diffProperties(updatePayload, {}, props, validAttributes);239}240/**241 * clearProperties clears all the previous props by adding a null sentinel242 * to the payload for each valid key.243 */244function clearProperties(245  updatePayload : ?Object,246  prevProps : Object,247  validAttributes : AttributeConfiguration248) :? Object {249  return diffProperties(updatePayload, prevProps, {}, validAttributes);250}251var ReactNativeAttributePayload = {252  create: function(253    props : Object,254    validAttributes : AttributeConfiguration255  ) : ?Object {256    return addProperties(257      null, // updatePayload258      props,259      validAttributes260    );261  },262  diff: function(263    prevProps : Object,264    nextProps : Object,265    validAttributes : AttributeConfiguration266  ) : ?Object {267    return diffProperties(268      null, // updatePayload269      prevProps,270      nextProps,271      validAttributes272    );273  }274};...

a9b00eReactNativeAttributePayload.js

Source:a9b00eReactNativeAttributePayload.js

...82    }83    return updatePayload;84  }85  if (!Array.isArray(prevProp) && !Array.isArray(nextProp)) {86    return diffProperties(updatePayload, resolveObject(prevProp), resolveObject(nextProp), validAttributes);87  }88  if (Array.isArray(prevProp) && Array.isArray(nextProp)) {89    return diffNestedArrayProperty(updatePayload, prevProp, nextProp, validAttributes);90  }91  if (Array.isArray(prevProp)) {92    return diffProperties(updatePayload, flattenStyle(prevProp), resolveObject(nextProp), validAttributes);93  }94  return diffProperties(updatePayload, resolveObject(prevProp), flattenStyle(nextProp), validAttributes);95}96function addNestedProperty(updatePayload, nextProp, validAttributes) {97  if (!nextProp) {98    return updatePayload;99  }100  if (!Array.isArray(nextProp)) {101    return addProperties(updatePayload, resolveObject(nextProp), validAttributes);102  }103  for (var i = 0; i < nextProp.length; i++) {104    updatePayload = addNestedProperty(updatePayload, nextProp[i], validAttributes);105  }106  return updatePayload;107}108function clearNestedProperty(updatePayload, prevProp, validAttributes) {109  if (!prevProp) {110    return updatePayload;111  }112  if (!Array.isArray(prevProp)) {113    return clearProperties(updatePayload, resolveObject(prevProp), validAttributes);114  }115  for (var i = 0; i < prevProp.length; i++) {116    updatePayload = clearNestedProperty(updatePayload, prevProp[i], validAttributes);117  }118  return updatePayload;119}120function diffProperties(updatePayload, prevProps, nextProps, validAttributes) {121  var attributeConfig;122  var nextProp;123  var prevProp;124  for (var propKey in nextProps) {125    attributeConfig = validAttributes[propKey];126    if (!attributeConfig) {127      continue;128    }129    prevProp = prevProps[propKey];130    nextProp = nextProps[propKey];131    if (typeof nextProp === 'function') {132      nextProp = true;133      if (typeof prevProp === 'function') {134        prevProp = true;135      }136    }137    if (typeof nextProp === 'undefined') {138      nextProp = null;139      if (typeof prevProp === 'undefined') {140        prevProp = null;141      }142    }143    if (removedKeys) {144      removedKeys[propKey] = false;145    }146    if (updatePayload && updatePayload[propKey] !== undefined) {147      if (typeof attributeConfig !== 'object') {148        updatePayload[propKey] = nextProp;149      } else if (typeof attributeConfig.diff === 'function' || typeof attributeConfig.process === 'function') {150        var nextValue = typeof attributeConfig.process === 'function' ? attributeConfig.process(nextProp) : nextProp;151        updatePayload[propKey] = nextValue;152      }153      continue;154    }155    if (prevProp === nextProp) {156      continue;157    }158    if (typeof attributeConfig !== 'object') {159      if (defaultDiffer(prevProp, nextProp)) {160        (updatePayload || (updatePayload = {}))[propKey] = nextProp;161      }162    } else if (typeof attributeConfig.diff === 'function' || typeof attributeConfig.process === 'function') {163      var shouldUpdate = prevProp === undefined || (typeof attributeConfig.diff === 'function' ? attributeConfig.diff(prevProp, nextProp) : defaultDiffer(prevProp, nextProp));164      if (shouldUpdate) {165        nextValue = typeof attributeConfig.process === 'function' ? attributeConfig.process(nextProp) : nextProp;166        (updatePayload || (updatePayload = {}))[propKey] = nextValue;167      }168    } else {169      removedKeys = null;170      removedKeyCount = 0;171      updatePayload = diffNestedProperty(updatePayload, prevProp, nextProp, attributeConfig);172      if (removedKeyCount > 0 && updatePayload) {173        restoreDeletedValuesInNestedArray(updatePayload, nextProp, attributeConfig);174        removedKeys = null;175      }176    }177  }178  for (propKey in prevProps) {179    if (nextProps[propKey] !== undefined) {180      continue;181    }182    attributeConfig = validAttributes[propKey];183    if (!attributeConfig) {184      continue;185    }186    if (updatePayload && updatePayload[propKey] !== undefined) {187      continue;188    }189    prevProp = prevProps[propKey];190    if (prevProp === undefined) {191      continue;192    }193    if (typeof attributeConfig !== 'object' || typeof attributeConfig.diff === 'function' || typeof attributeConfig.process === 'function') {194      (updatePayload || (updatePayload = {}))[propKey] = null;195      if (!removedKeys) {196        removedKeys = {};197      }198      if (!removedKeys[propKey]) {199        removedKeys[propKey] = true;200        removedKeyCount++;201      }202    } else {203      updatePayload = clearNestedProperty(updatePayload, prevProp, attributeConfig);204    }205  }206  return updatePayload;207}208function addProperties(updatePayload, props, validAttributes) {209  return diffProperties(updatePayload, emptyObject, props, validAttributes);210}211function clearProperties(updatePayload, prevProps, validAttributes) {212  return diffProperties(updatePayload, prevProps, emptyObject, validAttributes);213}214var ReactNativeAttributePayload = {215  create: function create(props, validAttributes) {216    return addProperties(null, props, validAttributes);217  },218  diff: function diff(prevProps, nextProps, validAttributes) {219    return diffProperties(null, prevProps, nextProps, validAttributes);220  }221};...

e4c542ReactNativeAttributePayload.js

Source:e4c542ReactNativeAttributePayload.js

...82    }83    return updatePayload;84  }85  if (!Array.isArray(prevProp) && !Array.isArray(nextProp)) {86    return diffProperties(updatePayload, resolveObject(prevProp), resolveObject(nextProp), validAttributes);87  }88  if (Array.isArray(prevProp) && Array.isArray(nextProp)) {89    return diffNestedArrayProperty(updatePayload, prevProp, nextProp, validAttributes);90  }91  if (Array.isArray(prevProp)) {92    return diffProperties(updatePayload, flattenStyle(prevProp), resolveObject(nextProp), validAttributes);93  }94  return diffProperties(updatePayload, resolveObject(prevProp), flattenStyle(nextProp), validAttributes);95}96function addNestedProperty(updatePayload, nextProp, validAttributes) {97  if (!nextProp) {98    return updatePayload;99  }100  if (!Array.isArray(nextProp)) {101    return addProperties(updatePayload, resolveObject(nextProp), validAttributes);102  }103  for (var i = 0; i < nextProp.length; i++) {104    updatePayload = addNestedProperty(updatePayload, nextProp[i], validAttributes);105  }106  return updatePayload;107}108function clearNestedProperty(updatePayload, prevProp, validAttributes) {109  if (!prevProp) {110    return updatePayload;111  }112  if (!Array.isArray(prevProp)) {113    return clearProperties(updatePayload, resolveObject(prevProp), validAttributes);114  }115  for (var i = 0; i < prevProp.length; i++) {116    updatePayload = clearNestedProperty(updatePayload, prevProp[i], validAttributes);117  }118  return updatePayload;119}120function diffProperties(updatePayload, prevProps, nextProps, validAttributes) {121  var attributeConfig;122  var nextProp;123  var prevProp;124  for (var propKey in nextProps) {125    attributeConfig = validAttributes[propKey];126    if (!attributeConfig) {127      continue;128    }129    prevProp = prevProps[propKey];130    nextProp = nextProps[propKey];131    if (typeof nextProp === 'function') {132      nextProp = true;133      if (typeof prevProp === 'function') {134        prevProp = true;135      }136    }137    if (typeof nextProp === 'undefined') {138      nextProp = null;139      if (typeof prevProp === 'undefined') {140        prevProp = null;141      }142    }143    if (removedKeys) {144      removedKeys[propKey] = false;145    }146    if (updatePayload && updatePayload[propKey] !== undefined) {147      if (typeof attributeConfig !== 'object') {148        updatePayload[propKey] = nextProp;149      } else if (typeof attributeConfig.diff === 'function' || typeof attributeConfig.process === 'function') {150        var nextValue = typeof attributeConfig.process === 'function' ? attributeConfig.process(nextProp) : nextProp;151        updatePayload[propKey] = nextValue;152      }153      continue;154    }155    if (prevProp === nextProp) {156      continue;157    }158    if (typeof attributeConfig !== 'object') {159      if (defaultDiffer(prevProp, nextProp)) {160        (updatePayload || (updatePayload = {}))[propKey] = nextProp;161      }162    } else if (typeof attributeConfig.diff === 'function' || typeof attributeConfig.process === 'function') {163      var shouldUpdate = prevProp === undefined || (typeof attributeConfig.diff === 'function' ? attributeConfig.diff(prevProp, nextProp) : defaultDiffer(prevProp, nextProp));164      if (shouldUpdate) {165        nextValue = typeof attributeConfig.process === 'function' ? attributeConfig.process(nextProp) : nextProp;166        (updatePayload || (updatePayload = {}))[propKey] = nextValue;167      }168    } else {169      removedKeys = null;170      removedKeyCount = 0;171      updatePayload = diffNestedProperty(updatePayload, prevProp, nextProp, attributeConfig);172      if (removedKeyCount > 0 && updatePayload) {173        restoreDeletedValuesInNestedArray(updatePayload, nextProp, attributeConfig);174        removedKeys = null;175      }176    }177  }178  for (propKey in prevProps) {179    if (nextProps[propKey] !== undefined) {180      continue;181    }182    attributeConfig = validAttributes[propKey];183    if (!attributeConfig) {184      continue;185    }186    if (updatePayload && updatePayload[propKey] !== undefined) {187      continue;188    }189    prevProp = prevProps[propKey];190    if (prevProp === undefined) {191      continue;192    }193    if (typeof attributeConfig !== 'object' || typeof attributeConfig.diff === 'function' || typeof attributeConfig.process === 'function') {194      (updatePayload || (updatePayload = {}))[propKey] = null;195      if (!removedKeys) {196        removedKeys = {};197      }198      if (!removedKeys[propKey]) {199        removedKeys[propKey] = true;200        removedKeyCount++;201      }202    } else {203      updatePayload = clearNestedProperty(updatePayload, prevProp, attributeConfig);204    }205  }206  return updatePayload;207}208function addProperties(updatePayload, props, validAttributes) {209  return diffProperties(updatePayload, emptyObject, props, validAttributes);210}211function clearProperties(updatePayload, prevProps, validAttributes) {212  return diffProperties(updatePayload, prevProps, emptyObject, validAttributes);213}214var ReactNativeAttributePayload = {215  create: function create(props, validAttributes) {216    return addProperties(null, props, validAttributes);217  },218  diff: function diff(prevProps, nextProps, validAttributes) {219    return diffProperties(null, prevProps, nextProps, validAttributes);220  }221};...

546317ReactNativeAttributePayload.js

Source:546317ReactNativeAttributePayload.js

...82    }83    return updatePayload;84  }85  if (!Array.isArray(prevProp) && !Array.isArray(nextProp)) {86    return diffProperties(updatePayload, resolveObject(prevProp), resolveObject(nextProp), validAttributes);87  }88  if (Array.isArray(prevProp) && Array.isArray(nextProp)) {89    return diffNestedArrayProperty(updatePayload, prevProp, nextProp, validAttributes);90  }91  if (Array.isArray(prevProp)) {92    return diffProperties(updatePayload, flattenStyle(prevProp), resolveObject(nextProp), validAttributes);93  }94  return diffProperties(updatePayload, resolveObject(prevProp), flattenStyle(nextProp), validAttributes);95}96function addNestedProperty(updatePayload, nextProp, validAttributes) {97  if (!nextProp) {98    return updatePayload;99  }100  if (!Array.isArray(nextProp)) {101    return addProperties(updatePayload, resolveObject(nextProp), validAttributes);102  }103  for (var i = 0; i < nextProp.length; i++) {104    updatePayload = addNestedProperty(updatePayload, nextProp[i], validAttributes);105  }106  return updatePayload;107}108function clearNestedProperty(updatePayload, prevProp, validAttributes) {109  if (!prevProp) {110    return updatePayload;111  }112  if (!Array.isArray(prevProp)) {113    return clearProperties(updatePayload, resolveObject(prevProp), validAttributes);114  }115  for (var i = 0; i < prevProp.length; i++) {116    updatePayload = clearNestedProperty(updatePayload, prevProp[i], validAttributes);117  }118  return updatePayload;119}120function diffProperties(updatePayload, prevProps, nextProps, validAttributes) {121  var attributeConfig;122  var nextProp;123  var prevProp;124  for (var propKey in nextProps) {125    attributeConfig = validAttributes[propKey];126    if (!attributeConfig) {127      continue;128    }129    prevProp = prevProps[propKey];130    nextProp = nextProps[propKey];131    if (typeof nextProp === 'function') {132      nextProp = true;133      if (typeof prevProp === 'function') {134        prevProp = true;135      }136    }137    if (typeof nextProp === 'undefined') {138      nextProp = null;139      if (typeof prevProp === 'undefined') {140        prevProp = null;141      }142    }143    if (removedKeys) {144      removedKeys[propKey] = false;145    }146    if (updatePayload && updatePayload[propKey] !== undefined) {147      if (typeof attributeConfig !== 'object') {148        updatePayload[propKey] = nextProp;149      } else if (typeof attributeConfig.diff === 'function' || typeof attributeConfig.process === 'function') {150        var nextValue = typeof attributeConfig.process === 'function' ? attributeConfig.process(nextProp) : nextProp;151        updatePayload[propKey] = nextValue;152      }153      continue;154    }155    if (prevProp === nextProp) {156      continue;157    }158    if (typeof attributeConfig !== 'object') {159      if (defaultDiffer(prevProp, nextProp)) {160        (updatePayload || (updatePayload = {}))[propKey] = nextProp;161      }162    } else if (typeof attributeConfig.diff === 'function' || typeof attributeConfig.process === 'function') {163      var shouldUpdate = prevProp === undefined || (typeof attributeConfig.diff === 'function' ? attributeConfig.diff(prevProp, nextProp) : defaultDiffer(prevProp, nextProp));164      if (shouldUpdate) {165        nextValue = typeof attributeConfig.process === 'function' ? attributeConfig.process(nextProp) : nextProp;166        (updatePayload || (updatePayload = {}))[propKey] = nextValue;167      }168    } else {169      removedKeys = null;170      removedKeyCount = 0;171      updatePayload = diffNestedProperty(updatePayload, prevProp, nextProp, attributeConfig);172      if (removedKeyCount > 0 && updatePayload) {173        restoreDeletedValuesInNestedArray(updatePayload, nextProp, attributeConfig);174        removedKeys = null;175      }176    }177  }178  for (propKey in prevProps) {179    if (nextProps[propKey] !== undefined) {180      continue;181    }182    attributeConfig = validAttributes[propKey];183    if (!attributeConfig) {184      continue;185    }186    if (updatePayload && updatePayload[propKey] !== undefined) {187      continue;188    }189    prevProp = prevProps[propKey];190    if (prevProp === undefined) {191      continue;192    }193    if (typeof attributeConfig !== 'object' || typeof attributeConfig.diff === 'function' || typeof attributeConfig.process === 'function') {194      (updatePayload || (updatePayload = {}))[propKey] = null;195      if (!removedKeys) {196        removedKeys = {};197      }198      if (!removedKeys[propKey]) {199        removedKeys[propKey] = true;200        removedKeyCount++;201      }202    } else {203      updatePayload = clearNestedProperty(updatePayload, prevProp, attributeConfig);204    }205  }206  return updatePayload;207}208function addProperties(updatePayload, props, validAttributes) {209  return diffProperties(updatePayload, emptyObject, props, validAttributes);210}211function clearProperties(updatePayload, prevProps, validAttributes) {212  return diffProperties(updatePayload, prevProps, emptyObject, validAttributes);213}214var ReactNativeAttributePayload = {215  create: function create(props, validAttributes) {216    return addProperties(null, props, validAttributes);217  },218  diff: function diff(prevProps, nextProps, validAttributes) {219    return diffProperties(null, prevProps, nextProps, validAttributes);220  }221};...

edeff7ReactNativeAttributePayload.js

Source:edeff7ReactNativeAttributePayload.js

...120}121return updatePayload;122}123if(!Array.isArray(prevProp)&&!Array.isArray(nextProp)){124return diffProperties(125updatePayload,126resolveObject(prevProp),127resolveObject(nextProp),128validAttributes);129}130if(Array.isArray(prevProp)&&Array.isArray(nextProp)){131return diffNestedArrayProperty(132updatePayload,133prevProp,134nextProp,135validAttributes);136}137if(Array.isArray(prevProp)){138return diffProperties(139updatePayload,140flattenStyle(prevProp),141resolveObject(nextProp),142validAttributes);143}144return diffProperties(145updatePayload,146resolveObject(prevProp),147flattenStyle(nextProp),148validAttributes);149}150function addNestedProperty(151updatePayload,152nextProp,153validAttributes)154{155if(!nextProp){156return updatePayload;157}158if(!Array.isArray(nextProp)){159return addProperties(160updatePayload,161resolveObject(nextProp),162validAttributes);163}164for(var i=0;i<nextProp.length;i++){165updatePayload=addNestedProperty(166updatePayload,167nextProp[i],168validAttributes);169}170return updatePayload;171}172function clearNestedProperty(173updatePayload,174prevProp,175validAttributes)176{177if(!prevProp){178return updatePayload;179}180if(!Array.isArray(prevProp)){181return clearProperties(182updatePayload,183resolveObject(prevProp),184validAttributes);185}186for(var i=0;i<prevProp.length;i++){187updatePayload=clearNestedProperty(188updatePayload,189prevProp[i],190validAttributes);191}192return updatePayload;193}194function diffProperties(195updatePayload,196prevProps,197nextProps,198validAttributes)199{200var attributeConfig;201var nextProp;202var prevProp;203for(var propKey in nextProps){204attributeConfig=validAttributes[propKey];205if(!attributeConfig){206continue;207}208prevProp=prevProps[propKey];209nextProp=nextProps[propKey];210if(typeof nextProp==='function'){211nextProp=true;212if(typeof prevProp==='function'){213prevProp=true;214}215}216if(typeof nextProp==='undefined'){217nextProp=null;218if(typeof prevProp==='undefined'){219prevProp=null;220}221}222if(removedKeys){223removedKeys[propKey]=false;224}225if(updatePayload&&updatePayload[propKey]!==undefined){226if(typeof attributeConfig!=='object'){227updatePayload[propKey]=nextProp;228}else if(typeof attributeConfig.diff==='function'||229typeof attributeConfig.process==='function'){230var nextValue=typeof attributeConfig.process==='function'?231attributeConfig.process(nextProp):232nextProp;233updatePayload[propKey]=nextValue;234}235continue;236}237if(prevProp===nextProp){238continue;239}240if(typeof attributeConfig!=='object'){241if(defaultDiffer(prevProp,nextProp)){242(updatePayload||(updatePayload={}))[propKey]=nextProp;243}244}else if(typeof attributeConfig.diff==='function'||245typeof attributeConfig.process==='function'){246var shouldUpdate=prevProp===undefined||(247typeof attributeConfig.diff==='function'?248attributeConfig.diff(prevProp,nextProp):249defaultDiffer(prevProp,nextProp));250if(shouldUpdate){251nextValue=typeof attributeConfig.process==='function'?252attributeConfig.process(nextProp):253nextProp;254(updatePayload||(updatePayload={}))[propKey]=nextValue;255}256}else{257removedKeys=null;258removedKeyCount=0;259updatePayload=diffNestedProperty(260updatePayload,261prevProp,262nextProp,263attributeConfig);264if(removedKeyCount>0&&updatePayload){265restoreDeletedValuesInNestedArray(266updatePayload,267nextProp,268attributeConfig);269removedKeys=null;270}271}272}273for(propKey in prevProps){274if(nextProps[propKey]!==undefined){275continue;276}277attributeConfig=validAttributes[propKey];278if(!attributeConfig){279continue;280}281if(updatePayload&&updatePayload[propKey]!==undefined){282continue;283}284prevProp=prevProps[propKey];285if(prevProp===undefined){286continue;287}288if(typeof attributeConfig!=='object'||289typeof attributeConfig.diff==='function'||290typeof attributeConfig.process==='function'){291(updatePayload||(updatePayload={}))[propKey]=null;292if(!removedKeys){293removedKeys={};294}295if(!removedKeys[propKey]){296removedKeys[propKey]=true;297removedKeyCount++;298}299}else{300updatePayload=clearNestedProperty(301updatePayload,302prevProp,303attributeConfig);304}305}306return updatePayload;307}308function addProperties(309updatePayload,310props,311validAttributes)312{313return diffProperties(updatePayload,emptyObject,props,validAttributes);314}315function clearProperties(316updatePayload,317prevProps,318validAttributes)319{320return diffProperties(updatePayload,prevProps,emptyObject,validAttributes);321}322var ReactNativeAttributePayload={323create:function create(324props,325validAttributes)326{327return addProperties(328null,329props,330validAttributes);331},332diff:function diff(333prevProps,334nextProps,335validAttributes)336{337return diffProperties(338null,339prevProps,340nextProps,341validAttributes);342}};...

1ef810ReactNativeAttributePayload.js

Source:1ef810ReactNativeAttributePayload.js

...120}121return updatePayload;122}123if(!Array.isArray(prevProp)&&!Array.isArray(nextProp)){124return diffProperties(125updatePayload,126resolveObject(prevProp),127resolveObject(nextProp),128validAttributes);129}130if(Array.isArray(prevProp)&&Array.isArray(nextProp)){131return diffNestedArrayProperty(132updatePayload,133prevProp,134nextProp,135validAttributes);136}137if(Array.isArray(prevProp)){138return diffProperties(139updatePayload,140flattenStyle(prevProp),141resolveObject(nextProp),142validAttributes);143}144return diffProperties(145updatePayload,146resolveObject(prevProp),147flattenStyle(nextProp),148validAttributes);149}150function addNestedProperty(151updatePayload,152nextProp,153validAttributes)154{155if(!nextProp){156return updatePayload;157}158if(!Array.isArray(nextProp)){159return addProperties(160updatePayload,161resolveObject(nextProp),162validAttributes);163}164for(var i=0;i<nextProp.length;i++){165updatePayload=addNestedProperty(166updatePayload,167nextProp[i],168validAttributes);169}170return updatePayload;171}172function clearNestedProperty(173updatePayload,174prevProp,175validAttributes)176{177if(!prevProp){178return updatePayload;179}180if(!Array.isArray(prevProp)){181return clearProperties(182updatePayload,183resolveObject(prevProp),184validAttributes);185}186for(var i=0;i<prevProp.length;i++){187updatePayload=clearNestedProperty(188updatePayload,189prevProp[i],190validAttributes);191}192return updatePayload;193}194function diffProperties(195updatePayload,196prevProps,197nextProps,198validAttributes)199{200var attributeConfig;201var nextProp;202var prevProp;203for(var propKey in nextProps){204attributeConfig=validAttributes[propKey];205if(!attributeConfig){206continue;207}208prevProp=prevProps[propKey];209nextProp=nextProps[propKey];210if(typeof nextProp==='function'){211nextProp=true;212if(typeof prevProp==='function'){213prevProp=true;214}215}216if(typeof nextProp==='undefined'){217nextProp=null;218if(typeof prevProp==='undefined'){219prevProp=null;220}221}222if(removedKeys){223removedKeys[propKey]=false;224}225if(updatePayload&&updatePayload[propKey]!==undefined){226if(typeof attributeConfig!=='object'){227updatePayload[propKey]=nextProp;228}else if(typeof attributeConfig.diff==='function'||229typeof attributeConfig.process==='function'){230var nextValue=typeof attributeConfig.process==='function'?231attributeConfig.process(nextProp):232nextProp;233updatePayload[propKey]=nextValue;234}235continue;236}237if(prevProp===nextProp){238continue;239}240if(typeof attributeConfig!=='object'){241if(defaultDiffer(prevProp,nextProp)){242(updatePayload||(updatePayload={}))[propKey]=nextProp;243}244}else if(typeof attributeConfig.diff==='function'||245typeof attributeConfig.process==='function'){246var shouldUpdate=prevProp===undefined||(247typeof attributeConfig.diff==='function'?248attributeConfig.diff(prevProp,nextProp):249defaultDiffer(prevProp,nextProp));250if(shouldUpdate){251nextValue=typeof attributeConfig.process==='function'?252attributeConfig.process(nextProp):253nextProp;254(updatePayload||(updatePayload={}))[propKey]=nextValue;255}256}else{257removedKeys=null;258removedKeyCount=0;259updatePayload=diffNestedProperty(260updatePayload,261prevProp,262nextProp,263attributeConfig);264if(removedKeyCount>0&&updatePayload){265restoreDeletedValuesInNestedArray(266updatePayload,267nextProp,268attributeConfig);269removedKeys=null;270}271}272}273for(propKey in prevProps){274if(nextProps[propKey]!==undefined){275continue;276}277attributeConfig=validAttributes[propKey];278if(!attributeConfig){279continue;280}281if(updatePayload&&updatePayload[propKey]!==undefined){282continue;283}284prevProp=prevProps[propKey];285if(prevProp===undefined){286continue;287}288if(typeof attributeConfig!=='object'||289typeof attributeConfig.diff==='function'||290typeof attributeConfig.process==='function'){291(updatePayload||(updatePayload={}))[propKey]=null;292if(!removedKeys){293removedKeys={};294}295if(!removedKeys[propKey]){296removedKeys[propKey]=true;297removedKeyCount++;298}299}else{300updatePayload=clearNestedProperty(301updatePayload,302prevProp,303attributeConfig);304}305}306return updatePayload;307}308function addProperties(309updatePayload,310props,311validAttributes)312{313return diffProperties(updatePayload,emptyObject,props,validAttributes);314}315function clearProperties(316updatePayload,317prevProps,318validAttributes)319{320return diffProperties(updatePayload,prevProps,emptyObject,validAttributes);321}322var ReactNativeAttributePayload={323create:function create(324props,325validAttributes)326{327return addProperties(328null,329props,330validAttributes);331},332diff:function diff(333prevProps,334nextProps,335validAttributes)336{337return diffProperties(338null,339prevProps,340nextProps,341validAttributes);342}};...

diff.js

Source:diff.js

1import { NEW_LINES_REGEX } from './constants';2export default (diffProperties, objectOne, objectTwo) => {3  const prevValues = [];4  const nextValues = [];5  const formatValue = value => {6    switch (typeof value) {7      case 'string': {8        return value.replace(NEW_LINES_REGEX, '');9      }10      case 'object': {11        return JSON.stringify(value, null, 2);12      }13      default: {14        return value;15      }16    }17  };18  diffProperties19    .sort()20    .map(prop => {21      const prev = objectOne[prop];22      const next = objectTwo[prop];23      // == checks for both undefined or null24      // eslint-disable-next-line eqeqeq25      if (prev == next) {26        return null;27      }28      return {29        prev: `${prop}: ${formatValue(prev)}`,30        next: `${prop}: ${formatValue(next)}`,31      };32    })33    .filter(Boolean)34    .forEach(({ prev, next }) => {35      prevValues.push(prev);36      nextValues.push(next);37    });38  return [prevValues.join('\n'), nextValues.join('\n')];...

getDiffedProperties.js

Source:getDiffedProperties.js

1// This utility performs a diff and returns the list of properties2// where their values differ.3export default (diffProperties, objectOne, objectTwo) =>4  diffProperties.filter(prop => {5    const prev = objectOne[prop];6    const next = objectTwo[prop];7    // == checks for both undefined or null8    // eslint-disable-next-line eqeqeq9    if (prev == next) {10      return false;11    }12    return true;...

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch();4  const context = await browser.newContext();5  const page = await context.newPage();6  await page.click('text=Get Started');7  const diff = await page.diffProperties('text=Get Started', 'href');8  console.log(diff);9  await browser.close();10})();11{12  href: {

Using AI Code Generation

1const { diffProperties } = require('@playwright/test/lib/utils/utils');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const page = await browser.newPage();6  const element = await page.$('text=Test advanced');7  const computedStyle = await page.evaluateHandle((e) => getComputedStyle(e), element);8  const diff = diffProperties(computedStyle, {9    color: 'rgb(0, 0, 0)',10  });11  console.log(diff);12  await browser.close();13})();14Output: { color: { actual: 'rgb(0, 0, 0)', expected: 'rgb(0, 0, 0)' }, 'text-align': { actual: 'center', expected: 'center' } }15const { diffProperties } = require('@playwright/test/lib/utils/utils');16const { chromium } = require('playwright');17(async () => {18  const browser = await chromium.launch();19  const page = await browser.newPage();20  const element = await page.$('text=Test advanced');21  const computedStyle = await page.evaluateHandle((e) => getComputedStyle(e), element);22  const diff = diffProperties(computedStyle, {23    color: 'rgb(0, 0, 0)',24    'font-family': {25    },26  });27  console.log(diff);28  await browser.close();29})();30Output: { 'font-family': { actual: { a: 'a', b: 'b' }, expected: { a: 'a', b: 'b' } }, color: { actual: 'rgb(0, 0, 0)', expected: 'rgb(0, 0, 0)' }, 'text-align': { actual: 'center', expected: 'center' } }

Using AI Code Generation

1const playwright = require('playwright');2const { diffProperties } = require('playwright/lib/server/webkit/wkPage');3(async() => {4  const browser = await playwright.webkit.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  await page.setContent('<div></div>');8  const element = await page.$('div');9  const diff = diffProperties(element, {foo: 'bar'});10  console.log(diff);11  await browser.close();12})();13{ foo: 'bar' }14{ foo: 'bar' }

Using AI Code Generation

1const { diffProperties } = require('playwright-core/lib/server/dom.js');2const old = { a: 1, b: 2, c: 3, d: 4, e: 5, f: 6 };3const current = { a: 1, b: 2, c: 3, d: 4, e: 5, f: 7 };4const diff = diffProperties(old, current);5console.log(diff);6{ f: { oldValue: 6, newValue: 7 } }

Using AI Code Generation

1const { diffProperties } = require('playwright-core/lib/server/dom.js');2const { parse } = require('playwright-core/lib/server/inspector.js');3const { createJSHandle } = require('playwright-core/lib/server/frames.js');4const frame = await page.mainFrame();5const handle = await frame.evaluateHandle(() => document.querySelector('a'));6const objectHandle = await createJSHandle(frame, handle);7const result = await diffProperties(objectHandle, parse(`8    {9    }10`));11console.log(result);12const { diffText } = require('playwright-core/lib/server/dom.js');13const { parse } = require('playwright-core/lib/server/inspector.js');14const { createJSHandle } = require('playwright-core/lib/server/frames.js');15const frame = await page.mainFrame();16const handle = await frame.evaluateHandle(() => document.querySelector('a'));17const objectHandle = await createJSHandle(frame, handle);18const result = await diffText(objectHandle, parse(`19    {20    }21`));22console.log(result);23const { diffText } = require('playwright-core/lib/server/dom.js');24const { parse } = require('playwright-core/lib/server/inspector.js');25const { createJSHandle } = require('playwright-core/lib/server/frames.js');26const frame = await page.mainFrame();27const handle = await frame.evaluateHandle(() => document.querySelector('a'));28const objectHandle = await createJSHandle(frame, handle);29const result = await diffText(objectHandle, parse(`30    {31    }32`));33console.log(result);34const { diffText } = require('playwright-core/lib/server/dom.js');35const { parse } = require('playwright-core/lib/server/inspector.js');36const { createJSHandle } = require('playwright-core/lib/server/frames.js');37const frame = await page.mainFrame();38const handle = await frame.evaluateHandle(() => document.querySelector('a'));

Playwright tutorial

LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

Chapters:

What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.