1 | import * as Actions from './actions';
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2 | export function difference(first, second) {
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3 | return first.filter((item) => second.indexOf(item) < 0);
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4 | }
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5 | /**
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6 | * Provides an app's view into the state of the lifted store.
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7 | */
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8 | export function unliftState(liftedState) {
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9 | const { computedStates, currentStateIndex } = liftedState;
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10 | // At start up NgRx dispatches init actions,
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11 | // When these init actions are being filtered out by the predicate or safe/block list options
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12 | // we don't have a complete computed states yet.
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13 | // At this point it could happen that we're out of bounds, when this happens we fall back to the last known state
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14 | if (currentStateIndex >= computedStates.length) {
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15 | const { state } = computedStates[computedStates.length - 1];
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16 | return state;
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17 | }
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18 | const { state } = computedStates[currentStateIndex];
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19 | return state;
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20 | }
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21 | export function unliftAction(liftedState) {
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22 | return liftedState.actionsById[liftedState.nextActionId - 1];
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23 | }
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24 | /**
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25 | * Lifts an app's action into an action on the lifted store.
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26 | */
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27 | export function liftAction(action) {
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28 | return new Actions.PerformAction(action, +Date.now());
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29 | }
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30 | /**
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31 | * Sanitizes given actions with given function.
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32 | */
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33 | export function sanitizeActions(actionSanitizer, actions) {
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34 | return Object.keys(actions).reduce((sanitizedActions, actionIdx) => {
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35 | const idx = Number(actionIdx);
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36 | sanitizedActions[idx] = sanitizeAction(actionSanitizer, actions[idx], idx);
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37 | return sanitizedActions;
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38 | }, {});
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39 | }
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40 | /**
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41 | * Sanitizes given action with given function.
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42 | */
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43 | export function sanitizeAction(actionSanitizer, action, actionIdx) {
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44 | return Object.assign(Object.assign({}, action), { action: actionSanitizer(action.action, actionIdx) });
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45 | }
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46 | /**
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47 | * Sanitizes given states with given function.
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48 | */
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49 | export function sanitizeStates(stateSanitizer, states) {
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50 | return states.map((computedState, idx) => ({
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51 | state: sanitizeState(stateSanitizer, computedState.state, idx),
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52 | error: computedState.error,
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53 | }));
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54 | }
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55 | /**
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56 | * Sanitizes given state with given function.
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57 | */
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58 | export function sanitizeState(stateSanitizer, state, stateIdx) {
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59 | return stateSanitizer(state, stateIdx);
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60 | }
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61 | /**
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62 | * Read the config and tell if actions should be filtered
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63 | */
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64 | export function shouldFilterActions(config) {
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65 | return config.predicate || config.actionsSafelist || config.actionsBlocklist;
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66 | }
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67 | /**
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68 | * Return a full filtered lifted state
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69 | */
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70 | export function filterLiftedState(liftedState, predicate, safelist, blocklist) {
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71 | const filteredStagedActionIds = [];
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72 | const filteredActionsById = {};
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73 | const filteredComputedStates = [];
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74 | liftedState.stagedActionIds.forEach((id, idx) => {
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75 | const liftedAction = liftedState.actionsById[id];
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76 | if (!liftedAction)
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77 | return;
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78 | if (idx &&
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79 | isActionFiltered(liftedState.computedStates[idx], liftedAction, predicate, safelist, blocklist)) {
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80 | return;
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81 | }
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82 | filteredActionsById[id] = liftedAction;
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83 | filteredStagedActionIds.push(id);
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84 | filteredComputedStates.push(liftedState.computedStates[idx]);
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85 | });
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86 | return Object.assign(Object.assign({}, liftedState), { stagedActionIds: filteredStagedActionIds, actionsById: filteredActionsById, computedStates: filteredComputedStates });
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87 | }
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88 | /**
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89 | * Return true is the action should be ignored
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90 | */
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91 | export function isActionFiltered(state, action, predicate, safelist, blockedlist) {
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92 | const predicateMatch = predicate && !predicate(state, action.action);
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93 | const safelistMatch = safelist &&
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94 | !action.action.type.match(safelist.map((s) => escapeRegExp(s)).join('|'));
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95 | const blocklistMatch = blockedlist &&
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96 | action.action.type.match(blockedlist.map((s) => escapeRegExp(s)).join('|'));
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97 | return predicateMatch || safelistMatch || blocklistMatch;
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98 | }
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99 | /**
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100 | * Return string with escaped RegExp special characters
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101 | * https://stackoverflow.com/a/6969486/1337347
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102 | */
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103 | function escapeRegExp(s) {
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104 | return s.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
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105 | }
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1];\n    return state;\n  }\n\n  const { state } = computedStates[currentStateIndex];\n  return state;\n}\n\nexport function unliftAction(liftedState: LiftedState): LiftedAction {\n  return liftedState.actionsById[liftedState.nextActionId - 1];\n}\n\n/**\n * Lifts an app's action into an action on the lifted store.\n */\nexport function liftAction(action: Action) {\n  return new Actions.PerformAction(action, +Date.now());\n}\n\n/**\n * Sanitizes given actions with given function.\n */\nexport function sanitizeActions(\n  actionSanitizer: ActionSanitizer,\n  actions: LiftedActions\n): LiftedActions {\n  return Object.keys(actions).reduce((sanitizedActions, actionIdx) => {\n    const idx = Number(actionIdx);\n    sanitizedActions[idx] = sanitizeAction(actionSanitizer, actions[idx], idx);\n    return sanitizedActions;\n  }, <LiftedActions>{});\n}\n\n/**\n * Sanitizes given action with given function.\n */\nexport function sanitizeAction(\n  actionSanitizer: ActionSanitizer,\n  action: LiftedAction,\n  actionIdx: number\n): LiftedAction {\n  return {\n    ...action,\n    action: actionSanitizer(action.action, actionIdx),\n  };\n}\n\n/**\n * Sanitizes given states with given function.\n */\nexport function sanitizeStates(\n  stateSanitizer: StateSanitizer,\n  states: ComputedState[]\n): ComputedState[] {\n  return states.map((computedState, idx) => ({\n    state: sanitizeState(stateSanitizer, computedState.state, idx),\n    error: computedState.error,\n  }));\n}\n\n/**\n * Sanitizes given state with given function.\n */\nexport function sanitizeState(\n  stateSanitizer: StateSanitizer,\n  state: any,\n  stateIdx: number\n) {\n  return stateSanitizer(state, stateIdx);\n}\n\n/**\n * Read the config and tell if actions should be filtered\n */\nexport function shouldFilterActions(config: StoreDevtoolsConfig) {\n  return config.predicate || config.actionsSafelist || config.actionsBlocklist;\n}\n\n/**\n * Return a full filtered lifted state\n */\nexport function filterLiftedState(\n  liftedState: LiftedState,\n  predicate?: Predicate,\n  safelist?: string[],\n  blocklist?: string[]\n): LiftedState {\n  const filteredStagedActionIds: number[] = [];\n  const filteredActionsById: LiftedActions = {};\n  const filteredComputedStates: ComputedState[] = [];\n  liftedState.stagedActionIds.forEach((id, idx) => {\n    const liftedAction = liftedState.actionsById[id];\n    if (!liftedAction) return;\n    if (\n      idx &&\n      isActionFiltered(\n        liftedState.computedStates[idx],\n        liftedAction,\n        predicate,\n        safelist,\n        blocklist\n      )\n    ) {\n      return;\n    }\n    filteredActionsById[id] = liftedAction;\n    filteredStagedActionIds.push(id);\n    filteredComputedStates.push(liftedState.computedStates[idx]);\n  });\n  return {\n    ...liftedState,\n    stagedActionIds: filteredStagedActionIds,\n    actionsById: filteredActionsById,\n    computedStates: filteredComputedStates,\n  };\n}\n\n/**\n * Return true is the action should be ignored\n */\nexport function isActionFiltered(\n  state: any,\n  action: LiftedAction,\n  predicate?: Predicate,\n  safelist?: string[],\n  blockedlist?: string[]\n) {\n  const predicateMatch = predicate && !predicate(state, action.action);\n  const safelistMatch =\n    safelist &&\n    !action.action.type.match(safelist.map((s) => escapeRegExp(s)).join('|'));\n  const blocklistMatch =\n    blockedlist &&\n    action.action.type.match(blockedlist.map((s) => escapeRegExp(s)).join('|'));\n  return predicateMatch || safelistMatch || blocklistMatch;\n}\n\n/**\n * Return string with escaped RegExp special characters\n * https://stackoverflow.com/a/6969486/1337347\n */\nfunction escapeRegExp(s: string): string {\n  return s.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\$&');\n}\n"]} |
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