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differenceBy
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How to use
differenceBy
function
in
lodash

Best JavaScript code snippets using lodash.differenceBy(Showing top 2 results out of 315)

origin: MikeBild/graphql-subscriptions-sse-presence-list

componentDidMount () {
  this.props.data.subscribeToMore({
   document: PresenceSubscription,
   variables: {},
   updateQuery: (prev, {subscriptionData}) => {
    const result = { users: prev.users }
    if(subscriptionData.data.onPresence.presence.status === 'LEFT') {
     result.users = differenceBy(prev.users, [subscriptionData.data.onPresence], x => x.id)
     if(subscriptionData.data.onPresence.id === this.state.id) this.setState({id: undefined, alias: undefined})
     return result
    }

    result.users = uniqBy(prev.users.concat([subscriptionData.data.onPresence]), x => x.id)
    return result
   }
  })
 }
origin: proteye/react-peerjs-example

differenceBy(addPeers, conference.peers, item => item.id)
lodash(npm)differenceBy

Most used lodash functions

  • LoDashStatic.map
    Creates an array of values by running each element in collection through iteratee. The iteratee is
  • LoDashStatic.isEmpty
    Checks if value is empty. A value is considered empty unless it’s an arguments object, array, string
  • LoDashStatic.forEach
    Iterates over elements of collection invoking iteratee for each element. The iteratee is invoked wit
  • LoDashStatic.find
    Iterates over elements of collection, returning the first element predicate returns truthy for.
  • LoDashStatic.pick
    Creates an object composed of the picked `object` properties.
  • LoDashStatic.get,
  • LoDashStatic.isArray,
  • LoDashStatic.filter,
  • LoDashStatic.merge,
  • LoDashStatic.isString,
  • LoDashStatic.isFunction,
  • LoDashStatic.assign,
  • LoDashStatic.extend,
  • LoDashStatic.includes,
  • LoDashStatic.keys,
  • LoDashStatic.cloneDeep,
  • LoDashStatic.uniq,
  • LoDashStatic.isObject,
  • LoDashStatic.omit

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