How to use the intersect function from hoek

README.md?plain=1

GitHub: bloglovin/hoek

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```javascript

var array1 = [1, 2, 3];
var array2 = [1, 4, 5];

var newArray = Hoek.intersect(array1, array2) // results in [1]
```

### flatten(array, target)

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README.md?plain=1

GitHub: geek/hoek

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```javascript

var array1 = [1, 2, 3];
var array2 = [1, 4, 5];

var newArray = Hoek.intersect(array1, array2); // results in [1]
```

### contain(ref, values, [options])

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index.js

GitHub: hemerajs/hemera

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  if (scope.length < subset.length) {
    return false
  }

  const common = Hoek.intersect(scope, subset)
  return common.length === subset.length
}

const plugin = Hp(hemeraJwtAuth, {

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scope.js

GitHub: kidtronnix/oz

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    if (scope.length < subset.length) {
        return false;
    }

    var common = Hoek.intersect(scope, subset);
    return common.length === subset.length;
};

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utils.js

GitHub: albertovasquez/hapi-swaggered

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    return routingTable
  }

  return _.filter(routingTable, function (route) {
    var routeTags = route.settings ? route.settings.tags : null
    return Hoek.intersect(routeTags, requiredTags).length === requiredTags.length
  })
}

utils.filterRoutesByTagSelection = function (routingTable, includedTags, excludedTags) {

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+ 3 other calls in file

index.js

GitHub: rook2pawn/podium

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if (handler.filter) {
    if (!criteria.tags) {
        continue;
    }

    const match = Hoek.intersect(criteria.tags, handler.filter.tags, !handler.filter.all);
    if (!match ||
        (handler.filter.all && match.length !== handler.filter.tags.length)) {

        continue;

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request.js

GitHub: Cron-J/hapi

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    this._logger.push(event);
    this.connection.emit(_internal ? 'request-internal' : 'request', this, event, tagsMap);

    if (this.server._settings.debug &&
        this.server._settings.debug.request &&
        Hoek.intersect(tagsMap, this.server._settings.debug.request, true)) {

        console.error('Debug:', event.tags.join(', '), (data ? '\n    ' + (data.stack || (typeof data === 'object' ? Hoek.stringify(data) : data)) : ''));
    }
};

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